小细节修改

Code/LeudaemiaLikeMe/app/src/main/java/com/example/leudaemialikeme/Activity/BaseActivity.java

@@ -31,7 +31,7 @@ public class BaseActivity extends AppCompatActivity {
     public static Owner owner;
 
     //服务器链接
-    public static String SERVER_IP = "172.30.112.86";
+    public static String SERVER_IP = "172.30.87.197";
 //    172.30.118.24 寝：172.18.138.225
 
 //    static {

Code/LeudaemiaLikeMe/app/src/main/java/com/example/leudaemialikeme/Activity/BlogDetailActivity.java

@@ -260,11 +260,12 @@ public class BlogDetailActivity extends BaseActivity {
                             @Override
                             public void onResponse(Call call, Response response) throws IOException {
                                 String jsonStr = response.body().string();
-//                               Log.e("提交评论",jsonStr);
+                                Gson gson = new Gson();
                                 runOnUiThread(new Runnable() {
                                     @Override
                                     public void run() {
-                                        commentList.add(comment);
+                                        Comment comment1 = gson.fromJson(jsonStr, Comment.class);
+                                        commentList.add(comment1);
                                         commentAdapter.setMCommentList(commentList);
                                         recyclerView.setAdapter(commentAdapter);
                                         comEditView.setText("");

Code/LeudaemiaLikeMe/app/src/main/java/com/example/leudaemialikeme/Activity/ChatActivity.java

@@ -81,6 +81,7 @@ public class ChatActivity extends BaseActivity {
                        jsonMap.put("messageType","1");
                        jsonMap.put("content", content);
                        jsonMap.put("createTime", TimeUtil.timeToString(new Timestamp(message.getCreateTime())));
+                       jsonMap.put("username", owner.getUsername());
                        addMsg(message,1);
                        edit_content.setText("");
                        wsClient.send(gson.toJson(jsonMap));

Code/LeudaemiaLikeMe/app/src/main/java/com/example/leudaemialikeme/Activity/InfoActivity.java

@@ -6,6 +6,7 @@ import android.view.View;
 import android.widget.AdapterView;
 import android.widget.ArrayAdapter;
 import android.widget.ImageView;
+import android.widget.LinearLayout;
 import android.widget.Spinner;
 import android.widget.Toast;
 
@@ -19,6 +20,7 @@ import java.util.List;
 public class InfoActivity extends BaseActivity {
 
     private List<Recnews> recNews=new ArrayList<>();
+    private int position;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -27,6 +29,7 @@ public class InfoActivity extends BaseActivity {
 
         Intent intent=getIntent();
         int infoType=intent.getIntExtra("info_type",4);
+        position = intent.getIntExtra("position", 0);
 
 
         List<String> typeList = new ArrayList<String>();
@@ -49,10 +52,7 @@ public class InfoActivity extends BaseActivity {
 
                 //获取Spinner控件的适配器
                 ArrayAdapter<String> adapter = (ArrayAdapter<String>) parent.getAdapter();
-                //tvResult.setText(adapter.getItem(position));
                 Toast.makeText(getBaseContext(),adapter.getItem(position),Toast.LENGTH_SHORT).show();
-//                str1=spinner.getSelectedItem().toString();
-//                Log.e("tag:","你选中的消息是:"+str1);
             }
             //没有选中时的处理
             public void onNothingSelected(AdapterView<?> parent) {
@@ -68,48 +68,20 @@ public class InfoActivity extends BaseActivity {
                 startActivity(i);
             }
         });
-
-//       initRecNews();
-//        RecyclerView recyclerView=(RecyclerView) findViewById(R.id.info_recyclerView);//显示recycleview
-//        LinearLayoutManager layoutManager=new LinearLayoutManager(this);
-//        recyclerView.setLayoutManager(layoutManager);
-//        InfoAdapter infoAdapter=new InfoAdapter(recNews);
-//        recyclerView.setAdapter(infoAdapter);
-
         getSupportFragmentManager()    //这里添加一个展示资讯的碎片
                 .beginTransaction()
-                .add(R.id.infoFragment,new InfoFragment())  // 此处的R.id.fragment_container是要盛放fragment的父容器
+                .add(R.id.infoFragment,new InfoFragment(position))  // 此处的R.id.fragment_container是要盛放fragment的父容器
                 .commit();
 
-    }
 
-    private void initRecNews(){
-        for(int i=0;i<2;i++){
-            Recnews news1=new Recnews(R.drawable.rec_news1,
-                    "哪些人容易得白血病？得白血病的人往往有这种征兆...",
-                    "白血病早期是会有一定症状的。比如持续发烧，一些急性白血病前期会出现持续发热，发热原因可能是由于感染……"
-                    ,102,"2021-11-6 09:19:54"
-            );
-            recNews.add(news1);
-            Recnews news2=new Recnews(R.drawable.rec_news2,
-                    "抨击误区——白血病化疗那么痛苦，干脆不做化疗了？！",
-                    " “白血病化疗病死率高！不治病还促进病情严重！”“白血病用化疗药很痛苦的，别治了……"
-                    ,100,"2021-12-6 03:19:54"
-            );
-            recNews.add(news2);
-            Recnews news3=new Recnews(R.drawable.rec_news3,
-                    "小天使医典：儿童白血病康复指引",
-                    "目前，医学界公认的儿童白血病的发病率为 4-6/10 万人。其中，新增儿童\n" +
-                            "白血病患儿就占二分之一……"
-                    ,100,"2021-12-6 03:19:54"
-            );
-            recNews.add(news3);
-            Recnews news4=new Recnews(R.drawable.rec_news4,
-                    "儿童急性B淋巴细胞白血病,除了传统疗法还有哪些前沿治疗方法呢？",
-                    "急性淋巴细胞白血病（ALL）是儿童最常见的恶性肿瘤，其中约85%为……"
-                    ,100,"2021-12-6 03:19:54"
-            );
-            recNews.add(news4);
-        }
+        LinearLayout search = findViewById(R.id.search_linear);
+        search.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(InfoActivity.this, NewsSearchActivity.class);
+                startActivity(intent);
+            }
+        });
     }
+
 }

Code/LeudaemiaLikeMe/app/src/main/java/com/example/leudaemialikeme/Activity/LoginActivity.java

@@ -24,10 +24,15 @@ import com.google.gson.reflect.TypeToken;
 
 import org.litepal.LitePal;
 
+import java.io.IOException;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
+import okhttp3.Call;
+import okhttp3.Callback;
+import okhttp3.Response;
+
 public class LoginActivity extends BaseActivity {
     private EditText edit_username;
     private EditText edit_pwd;
@@ -96,9 +101,6 @@ public class LoginActivity extends BaseActivity {
                     Owner dbOwner=ownerDao.findOwnerByUsername(username);
                     if (dbOwner!=null){
                         owner = dbOwner;
-//                        ownerInfoSaveToPref(); //记住密码方法
-//                        初始化WS链接
-//                        System.out.println(owner);
                         initWebSocket(owner.getNetId());
                         Log.d("记录","开始获取未读信息");
                         getUnReadMsg();
@@ -139,35 +141,13 @@ public class LoginActivity extends BaseActivity {
                 Map<String, String> jsonMap= gson.fromJson(jsonStr,  new TypeToken <Map<String, String>>() {}.getType());
                 final String message=(String) jsonMap.get("message");
                 if (message.equals("success")){
-                    //进行本地数据存储,本地数据库不存储密码，防止泄露，需要补全imageURL路径
-//                    JSONObject data=(JSONObject) jsonMap.get("data");
-//                    JSONObject netUser=(JSONObject) data.get("owner");
-//                    JSONArray netFriends=(JSONArray) data.get("friends");
                     User user = gson.fromJson(jsonMap.get("user"), User.class);
-                    //
                     Owner newOwner = new Owner();
                     newOwner.setUsername(user.getUsername());
                     newOwner.setPassword(user.getPassword());
                     newOwner.setNetId(user.getIduser());
-//                    newOwner.setName(netUser.getString("name"));
-//                    newOwner.setImageURL(SERVER_URL+netUser.getString("imagePath"));
-
                     ownerDao.insert(newOwner);  //插入本地数据库
-                    //
-//                    if (netFriends!=null && netFriends.size()>0){
-//                        for (int i=0;i<netFriends.size();i++){
-//                            JSONObject netFriend=(JSONObject) netFriends.get(i);
-//                            String name=netFriend.getString("name");
-//                            String imageUrl=SERVER_URL+netFriend.getString("imagePath");
-//                            String username=netFriend.getString("username");
-//                            int netId=netFriend.getInteger("id");
-//                            Friend newFriend=new Friend(netId,username,name,imageUrl,newOwner.getNetId());
-//                            friendDao.insert(newFriend);
-//                        }
-//                    }
                     owner = newOwner;
-//                    ownerInfoSaveToPref();
-                    //初始化WS链接
                     initWebSocket(owner.getNetId());
                     getUnReadMsg();
                 }else{
@@ -218,6 +198,7 @@ public class LoginActivity extends BaseActivity {
                         getNewFriendRequest(senderId);
                         Log.d("记录","sender:"+senderId+" receiver:"+receiverId);
                     }
+                    recommend();//执行推荐请求
                     Intent intent = new Intent(LoginActivity.this, MainActivity.class);
                     startActivity(intent);
                     finish();
@@ -225,6 +206,31 @@ public class LoginActivity extends BaseActivity {
             }
         });
     }
+
+    private void recommend() {
+        new Thread(new Runnable() {
+            @Override
+            public void run() {
+                try {
+                    String url = LoginActivity.SERVER_URL + "/main-servlet?action=recommend&username="+username;
+                    OkHttpUtil.asyGet(url, new Callback() {
+                        @Override
+                        public void onFailure(Call call, IOException e) {
+
+                        }
+
+                        @Override
+                        public void onResponse(Call call, Response response) throws IOException {
+
+                        }
+                    });
+                }catch (Exception e){
+                    e.printStackTrace();
+                }
+            }
+        }).start();
+    }
+
     private void getNewFriendRequest(final int senderId) {
         new Thread(new Runnable() {
             @Override

Code/LeudaemiaLikeMe/app/src/main/java/com/example/leudaemialikeme/Fragment/CommunityFragment.java

@@ -37,7 +37,7 @@ public class CommunityFragment extends Fragment implements ViewPager.OnPageChang
     private static ViewPager viewPager; //内导航的碎片的容器
     private RadioGroup rgChannel=null; // 内导航由单选按钮组构成
     private HorizontalScrollView hvChannel=null; //单选按钮组可滚动动
-    private String[] channelList = {"全部","经验"
+    private String[] channelList = {"全部","推荐","经验"
             ,"康复","扫雷","问答"}; //默认的内导航栏目
     private InvitationPageFragmentAdapter adapter; //viewPager 的适配器
     private PopupWindow popupWindow;

Code/LeudaemiaLikeMe/app/src/main/java/com/example/leudaemialikeme/Fragment/IndexFragment.java

@@ -43,6 +43,7 @@ public class IndexFragment extends Fragment {
     private List<News> newsLists = new ArrayList<News>();
     private RecyclerView recyclerView;
     private NewsAdapter adapter;
+
     public IndexFragment() {
         // Required empty public constructor
     }
@@ -57,12 +58,12 @@ public class IndexFragment extends Fragment {
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
                              Bundle savedInstanceState) {
         // Inflate the layout for this fragment
-        View view=inflater.inflate(R.layout.fragment_index, container, false);
+        View view = inflater.inflate(R.layout.fragment_index, container, false);
 
         initRecNews();//初始化精选资讯的数据源
 
-        recyclerView=(RecyclerView) view.findViewById(R.id.recommend_news);//获取推荐资讯的布局
-        LinearLayoutManager layoutManager=new LinearLayoutManager(this.getActivity());
+        recyclerView = (RecyclerView) view.findViewById(R.id.recommend_news);//获取推荐资讯的布局
+        LinearLayoutManager layoutManager = new LinearLayoutManager(this.getActivity());
         recyclerView.setLayoutManager(layoutManager);
 
         //initRecNews();//初始化数据源
@@ -78,97 +79,103 @@ public class IndexFragment extends Fragment {
     }
 
 
-
-
-
-    private void initClick(View view){
-        LinearLayout searchLinear=view.findViewById(R.id.search_linear);
-        LinearLayout blogPostLinear=view.findViewById(R.id.blog_post_linear);
-        LinearLayout questionPostLinear=view.findViewById(R.id.question_post_linear);
-        LinearLayout clockLinear=view.findViewById(R.id.clock_linear);
-        LinearLayout companyLinear=view.findViewById(R.id.company);
-        LinearLayout tenLinear=view.findViewById(R.id.ten);
-        LinearLayout governmentLinear=view.findViewById(R.id.government);
-        LinearLayout charity=view.findViewById(R.id.charity);
-        LinearLayout all=view.findViewById(R.id.all);
+    private void initClick(View view) {
+        LinearLayout searchLinear = view.findViewById(R.id.search_linear);
+        LinearLayout blogPostLinear = view.findViewById(R.id.blog_post_linear);
+        LinearLayout questionPostLinear = view.findViewById(R.id.question_post_linear);
+        LinearLayout clockLinear = view.findViewById(R.id.clock_linear);
+        LinearLayout companyLinear = view.findViewById(R.id.company);
+        LinearLayout tenLinear = view.findViewById(R.id.ten);
+        LinearLayout governmentLinear = view.findViewById(R.id.government);
+        LinearLayout charity = view.findViewById(R.id.charity);
+        LinearLayout all = view.findViewById(R.id.all);
 
         //首页搜索的跳转
-        searchLinear.setOnClickListener(new View.OnClickListener(){
+        searchLinear.setOnClickListener(new View.OnClickListener() {
 
             @Override
             public void onClick(View view) {
-                Intent intent=new Intent(getContext(), NewsSearchActivity.class);
+                Intent intent = new Intent(getContext(), NewsSearchActivity.class);
                 startActivity(intent);
             }
         });
-        blogPostLinear.setOnClickListener(new View.OnClickListener(){
+        blogPostLinear.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View view) {
-                Intent intent=new Intent(getContext(), SendInvitationActivity.class);
+                Intent intent = new Intent(getContext(), SendInvitationActivity.class);
                 startActivity(intent);
             }
         });
-        questionPostLinear.setOnClickListener(new View.OnClickListener(){
+        questionPostLinear.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View view) {
-                Intent intent=new Intent(getContext(), SendQuestionActivity.class);
+                Intent intent = new Intent(getContext(), SendQuestionActivity.class);
                 startActivity(intent);
             }
         });
-        clockLinear.setOnClickListener(new View.OnClickListener(){
+        clockLinear.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View view) {
-                Intent intent=new Intent(getContext(), MdctRmdActivity.class);
+                Intent intent = new Intent(getContext(), MdctRmdActivity.class);
                 startActivity(intent);
             }
         });
 
-        companyLinear.setOnClickListener(new View.OnClickListener(){
+        companyLinear.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View view) {
-                Intent intent=new Intent(getContext(), InfoActivity.class);
-                int data=0;
-                intent.putExtra("info_type",data);
-                startActivity(intent);            }
+                Intent intent = new Intent(getContext(), InfoActivity.class);
+                int data = 0;
+                intent.putExtra("info_type", data);
+                intent.putExtra("position",1);
+                startActivity(intent);
+            }
         });
 
-        tenLinear.setOnClickListener(new View.OnClickListener(){
+        tenLinear.setOnClickListener(new View.OnClickListener() {
 
             @Override
             public void onClick(View view) {
-                Intent intent=new Intent(getContext(), InfoActivity.class);
-                int data=1;
-                intent.putExtra("info_type",data);
-                startActivity(intent);            }
+                Intent intent = new Intent(getContext(), InfoActivity.class);
+                int data = 1;
+                intent.putExtra("info_type", data);
+                intent.putExtra("position",2);
+                startActivity(intent);
+            }
         });
 
-        governmentLinear.setOnClickListener(new View.OnClickListener(){
+        governmentLinear.setOnClickListener(new View.OnClickListener() {
 
             @Override
             public void onClick(View view) {
-                Intent intent=new Intent(getContext(), InfoActivity.class);
-                int data=2;
-                intent.putExtra("info_type",data);
-                startActivity(intent);            }
+                Intent intent = new Intent(getContext(), InfoActivity.class);
+                int data = 2;
+                intent.putExtra("info_type", data);
+                intent.putExtra("position",3);
+                startActivity(intent);
+            }
         });
 
-        charity.setOnClickListener(new View.OnClickListener(){
+        charity.setOnClickListener(new View.OnClickListener() {
 
             @Override
             public void onClick(View view) {
-                Intent intent=new Intent(getContext(), InfoActivity.class);
-                int data=3;
-                intent.putExtra("info_type",data);
-                startActivity(intent);            }
+                Intent intent = new Intent(getContext(), InfoActivity.class);
+                int data = 3;
+                intent.putExtra("info_type", data);
+                intent.putExtra("position",4);
+                startActivity(intent);
+            }
         });
 
-        all.setOnClickListener(new View.OnClickListener(){
+        all.setOnClickListener(new View.OnClickListener() {
 
             @Override
             public void onClick(View view) {
-                Intent intent=new Intent(getContext(), InfoActivity.class);
-                int data=4;
-                intent.putExtra("info_type",data);
+                Intent intent = new Intent(getContext(), InfoActivity.class);
+                int data = 4;
+                intent.putExtra("info_type", data);
+                intent.putExtra("position",0);
                 startActivity(intent);
             }
         });
@@ -177,17 +184,17 @@ public class IndexFragment extends Fragment {
     }
 
 
-    private void initRecNews(){   //需要将资讯的信息从数据库里取出来，然后根据浏览量降序排列
-        Map<String,String> paramMap = new HashMap<String,String>();
+    private void initRecNews() {   //需要将资讯的信息从数据库里取出来，然后根据浏览量降序排列
+        Map<String, String> paramMap = new HashMap<String, String>();
         getInfoRequest(paramMap);
     }
 
-    private void getInfoRequest(final Map paramMap){//Info请求
-        new Thread(new Runnable(){ //新开一个线程
+    private void getInfoRequest(final Map paramMap) {//Info请求
+        new Thread(new Runnable() { //新开一个线程
             @Override
             public void run() {
-                try{
-                    String url= BaseActivity.SERVER_URL+"/news-servlet?action=get-infoIndex";//这里对应Eclipse的Servlet的
+                try {
+                    String url = BaseActivity.SERVER_URL + "/news-servlet?action=get-infoIndex";//这里对应Eclipse的Servlet的
                     OkHttpUtil.asyPost(url, paramMap, new Callback() {  //异步post
                         @Override
                         public void onFailure(Call call, IOException e) {
@@ -197,30 +204,31 @@ public class IndexFragment extends Fragment {
                         @Override
                         public void onResponse(Call call, Response response) throws IOException {
                             String jsonStr = response.body().string();//这里就调用InfoResponse响应
-                            Log.e("首页Info的json",jsonStr);
+                            Log.e("首页Info的json", jsonStr);
                             getInfoResponse(jsonStr);
 
                         }
                     });
-                }catch (Exception e){
+                } catch (Exception e) {
                     e.printStackTrace();
                 }
             }
         }).start();
     }
 
-    private void getInfoResponse(final String jsonStr){//这里是info响应
-        getActivity().runOnUiThread(new Runnable(){  //新开一个线程
+    private void getInfoResponse(final String jsonStr) {//这里是info响应
+        getActivity().runOnUiThread(new Runnable() {  //新开一个线程
             @Override
             public void run() {
                 Gson gson = new Gson(); // 使用 gson 库解析 JSON 数据
                 // 创建一个 TypeToken 的匿名子类对象，并调用对象的 getType()方法
-                Type listType = new TypeToken<List<News>>() {}.getType();
+                Type listType = new TypeToken<List<News>>() {
+                }.getType();
                 // 把获取到的信息集合存到 newsList 中
                 newsLists = gson.fromJson(jsonStr, listType);
-                Log.e("jsonStr",jsonStr);
+                Log.e("jsonStr", jsonStr);
                 Log.e("object", String.valueOf(newsLists));
-                Log.e("newsLists最后",String.valueOf(newsLists));
+                Log.e("newsLists最后", String.valueOf(newsLists));
                 newsLists = gson.fromJson(jsonStr, listType);
                 adapter.setRecnewsList(newsLists);//这里设置数据源
                 recyclerView.setAdapter(adapter);
@@ -242,7 +250,7 @@ public class IndexFragment extends Fragment {
             isPause = false;
             //刷新页面的显示
             //得到请求，然后刷新页面
-            Map<String,String> paramMap = new HashMap<String,String>();
+            Map<String, String> paramMap = new HashMap<String, String>();
             getInfoRequest(paramMap);
             adapter.setRecnewsList(newsLists);//这里设置数据源
             recyclerView.setAdapter(adapter);//更新显示

Code/LeudaemiaLikeMe/app/src/main/java/com/example/leudaemialikeme/Fragment/InfoChannelFragment.java

@@ -89,19 +89,6 @@ public class InfoChannelFragment extends Fragment {
 
         view = inflater.inflate(R.layout.recyclerview,container,false);
 
-//        initAllNews();//所有new组
-        //全部，公司，红十字，政府，慈善
-//        comAdapter=new NewsAdapter();
-//        comAdapter.setRecnewsList(comNews);
-//
-//        redAdapter=new NewsAdapter();
-//        redAdapter.setRecnewsList(redNews);
-//
-//        govAdapter=new NewsAdapter();
-//        govAdapter.setRecnewsList(govNews);
-//
-//        chaAdapter=new NewsAdapter();
-//        chaAdapter.setRecnewsList(chaNews);
 
         if (infoCategoryTitleNum == 0) {//这里是全部的那个内导航
             view = inflater.inflate(R.layout.recyclerview,container,false);

Code/LeudaemiaLikeMe/app/src/main/java/com/example/leudaemialikeme/Fragment/InfoFragment.java

@@ -32,9 +32,14 @@ public class InfoFragment extends Fragment  implements ViewPager.OnPageChangeLis
     static List<List<News>> resourceList=new ArrayList<>();
     static List<News> newsList=new ArrayList<>();
 
+    private int position;
+
     public InfoFragment() {
         // Required empty public constructor
     }
+    public InfoFragment(int position){
+        this.position = position;
+    }
 
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
@@ -43,11 +48,10 @@ public class InfoFragment extends Fragment  implements ViewPager.OnPageChangeLis
             view = inflater.inflate(R.layout.fragment_info, container, false);//显示碎片的布局
             viewPager=(ViewPager)view.findViewById(R.id.vpNewsListInfo);//加了这,后面就闪退了
             initViewPager(); //设置 ViewPager
-
             rgChannel=(RadioGroup)view.findViewById(R.id.rgChannel20);
             hvChannel=(HorizontalScrollView)view.findViewById(R.id.hvChannel20);
             initTab(inflater);//初始化内导航标签
-
+            setTab(position);
             rgChannel.setOnCheckedChangeListener(  //单选按钮的监听事件
                     new RadioGroup.OnCheckedChangeListener() {
                         @Override
@@ -69,7 +73,6 @@ public class InfoFragment extends Fragment  implements ViewPager.OnPageChangeLis
             RadioGroup.LayoutParams params = new
                     RadioGroup.LayoutParams(RadioGroup.LayoutParams.WRAP_CONTENT,
                     RadioGroup.LayoutParams.WRAP_CONTENT);
-
             rgChannel.addView(rb,params);
         }
         rgChannel.check(0);
@@ -78,12 +81,11 @@ public class InfoFragment extends Fragment  implements ViewPager.OnPageChangeLis
     private void initViewPager() {
         FragmentManager fragmentManager = super.getActivity().getSupportFragmentManager();
         adapter=new InfoPageFragmentAdapter(fragmentManager, channelList);
-//参数 channelList 将被适配器用来在动态切换碎片的时候实时创建碎片
-// 设置 ViewPager 的适配器
+        // 设置 ViewPager 的适配器
         viewPager.setAdapter(adapter);
         viewPager.setOffscreenPageLimit(1); //viewpager是默认预加载下一页的界面的
         // viewpager提供了一个设置预加载页面数量的方法,让ViewPager多缓存一个页面
-        viewPager.setCurrentItem(0);  //设置显示第1个碎片
+        viewPager.setCurrentItem(position);  //设置显示第1个碎片
         viewPager.addOnPageChangeListener((ViewPager.OnPageChangeListener) this);//设置 ViewPager 的切换监听
     }
 

Code/LeudaemiaLikeMe/app/src/main/java/com/example/leudaemialikeme/Fragment/InvitationChannelFragment.java

@@ -6,7 +6,6 @@ import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
-import android.widget.TextView;
 
 import androidx.annotation.RequiresApi;
 import androidx.fragment.app.Fragment;
@@ -37,13 +36,10 @@ import okhttp3.Response;
 public class InvitationChannelFragment extends Fragment {
     private static final String ARG_CATEGORY_TITLE = "category_title";
     private static final String ARG_CATEGORY_TITLE_NUM = "category_title_num";
-    public static List<List<Blog>> resourceList = new ArrayList<>();
     private List<Question> allQuestion = new ArrayList<>();
     private List<Blog> allBlog = new ArrayList<>();
     private String invitationCategoryTitle = "Default";
     private int invitationCategoryTitleNum = 0;
-    private TextView mTitleField;
-    static List<Blog> blogList = new ArrayList<>();
     private List<Blog> blogLists = new ArrayList<>();
     private List<Blog> expBlog = new ArrayList<>();
     private List<Blog> badBlog = new ArrayList<>();
@@ -58,12 +54,11 @@ public class InvitationChannelFragment extends Fragment {
     private RecyclerView expRecyclerView;
     private RecyclerView recRecyclerView;
     private RecyclerView badRecyclerView;
-    private boolean isPause = false;
-
-    private final String[] channelList = {"全部", "经验"
-            , "康复", "扫雷", "问答"};
 
-    //    int temp=0;
+    private BlogAdapter recommendAdapter = new BlogAdapter();
+    private List<Blog> recommendBlog = new ArrayList<>();
+    private RecyclerView recommendRecyclerView;
+    private boolean isPause = false;
     public InvitationChannelFragment() {
         // Required empty public constructor
     }
@@ -74,9 +69,6 @@ public class InvitationChannelFragment extends Fragment {
         args.putString(ARG_CATEGORY_TITLE, invitationCategoryTitle);
         args.putInt(ARG_CATEGORY_TITLE_NUM, pos);
         fragment.setArguments(args);
-//        blogList=getBlogList();
-//        resourceList=getResourceList();
-//        Log.e("newInstance","newInstance");
         return fragment;
     }
 
@@ -86,7 +78,6 @@ public class InvitationChannelFragment extends Fragment {
         try {
             invitationCategoryTitle = (String) getArguments().getString(ARG_CATEGORY_TITLE);
             invitationCategoryTitleNum = getArguments().getInt(ARG_CATEGORY_TITLE_NUM);
-//            Log.e("onCreate","onCreate");
         } catch (java.lang.NullPointerException e) {
             System.out.println("TesFragment getArg error!");
         }
@@ -98,8 +89,6 @@ public class InvitationChannelFragment extends Fragment {
                              Bundle savedInstanceState) {
         View view;
         view = inflater.inflate(R.layout.recyclerview, container, false);
-//        initAllBlog();// 所有blog组
-//        initAllBlogList();  //第一栏:全部项
         questionAdapter = new QuestionAdapter();
         questionAdapter.setContext(getContext());
         questionAdapter.setQuestionList(allQuestion);
@@ -110,6 +99,9 @@ public class InvitationChannelFragment extends Fragment {
         recAdapter = new BlogAdapter();
         recAdapter.setRecnewsList(recBlog);
 
+        recommendAdapter = new BlogAdapter(recommendBlog);
+
+
         if (invitationCategoryTitleNum == 0) {
             view = inflater.inflate(R.layout.recyclerview, container, false);
             allRecyclerView = (RecyclerView) view.findViewById(R.id.list_community);
@@ -117,23 +109,16 @@ public class InvitationChannelFragment extends Fragment {
             allRecyclerView.setLayoutManager(layoutManager);
             BlogAdapter allAdapter = new BlogAdapter(allBlog);
             allRecyclerView.setAdapter(allAdapter);
-//            initAllBlogList();
             Map<String, String[]> paramMap = new HashMap<String, String[]>();
             paramMap.put("channelList", new String[]{"全部"});
             getAllBlogListRequest(paramMap);
-//            allAdapter.notifyDataSetChanged();
-        } else if (invitationCategoryTitleNum == 4) {
+        } else if (invitationCategoryTitleNum == 5) {
             questionRecyclerView = (RecyclerView) view.findViewById(R.id.list_community);
             LinearLayoutManager layoutManager = new LinearLayoutManager(getActivity());
             questionRecyclerView.setLayoutManager(layoutManager);
             questionRecyclerView.setAdapter(questionAdapter);
-//            Map<String, String[]> paramMap = new HashMap<>();
-//            paramMap.put("channelList", new String[]{"问答"});
             getQuestionListRequest();
-
-//            Log.e("应该为4：问答", String.valueOf(invitationCategoryTitleNum));
-
-        } else if (invitationCategoryTitleNum == 2) {
+        } else if (invitationCategoryTitleNum == 3) {
             recRecyclerView = (RecyclerView) view.findViewById(R.id.list_community);
             LinearLayoutManager layoutManager = new LinearLayoutManager(getActivity());
             recRecyclerView.setLayoutManager(layoutManager);
@@ -141,9 +126,7 @@ public class InvitationChannelFragment extends Fragment {
             Map<String, String[]> paramMap = new HashMap<String, String[]>();
             paramMap.put("channelList", new String[]{"康复"});
             getRecInvitationRequest(paramMap);
-//            Log.e("应该为2：康复", String.valueOf(invitationCategoryTitleNum));
-//            Log.e("应该为2：康复数据",String.valueOf(recBlog));
-        } else if (invitationCategoryTitleNum == 3) {
+        } else if (invitationCategoryTitleNum == 4) {
             badRecyclerView = (RecyclerView) view.findViewById(R.id.list_community);
             LinearLayoutManager layoutManager = new LinearLayoutManager(getActivity());
             badRecyclerView.setLayoutManager(layoutManager);
@@ -151,8 +134,7 @@ public class InvitationChannelFragment extends Fragment {
             Map<String, String[]> paramMap = new HashMap<String, String[]>();
             paramMap.put("channelList", new String[]{"扫雷"});
             getBadListRequest(paramMap);
-//            Log.e("应该为3：扫雷", String.valueOf(invitationCategoryTitleNum));
-        } else if (invitationCategoryTitleNum == 1) {
+        } else if (invitationCategoryTitleNum == 2) {
             expRecyclerView = (RecyclerView) view.findViewById(R.id.list_community);
             LinearLayoutManager layoutManager = new LinearLayoutManager(getActivity());
             expRecyclerView.setLayoutManager(layoutManager);
@@ -160,17 +142,50 @@ public class InvitationChannelFragment extends Fragment {
             Map<String, String[]> paramMap = new HashMap<String, String[]>();
             paramMap.put("channelList", new String[]{"经验"});
             getExpListRequest(paramMap);
+        } else if(invitationCategoryTitleNum == 1){
+            recommendRecyclerView = view.findViewById(R.id.list_community);
+            LinearLayoutManager layoutManager = new LinearLayoutManager(getActivity());
+            recommendRecyclerView.setLayoutManager(layoutManager);
+            recommendRecyclerView.setAdapter(recommendAdapter);
+            getRecommendBlog();
         }
 
-//        temp=temp+1;
         return view;
     }
 
-    private void initAllBlogList() {
-        Map<String, String[]> paramMap = new HashMap<String, String[]>();
-        paramMap.put("channelList", new String[]{"全部"});
-        getAllBlogListRequest(paramMap);
-        getQuestionListRequest();
+    private void getRecommendBlog() {
+        new Thread(new Runnable() {
+            @Override
+            public void run() {
+                try {
+                    String url = BaseActivity.SERVER_URL + "/blog-servlet?action=getRecommendBlog&iduser="+BaseActivity.owner.getNetId();
+                    OkHttpUtil.asyGet(url, new Callback() {
+                        @Override
+                        public void onFailure(Call call, IOException e) {
+
+                        }
+
+                        @Override
+                        public void onResponse(Call call, Response response) throws IOException {
+                            String jsonStr = response.body().string();
+                            Log.e("帖子推荐",jsonStr);
+                            Gson gson = new Gson();
+                            recommendBlog = gson.fromJson(jsonStr, new TypeToken<List<Blog>>(){}.getType());
+                            getActivity().runOnUiThread(new Runnable(){
+                                @Override
+                                public void run() {
+                                    recommendAdapter = new BlogAdapter(recommendBlog);
+                                    recommendRecyclerView.setAdapter(recommendAdapter);
+                                }
+                            });
+
+                        }
+                    });
+                } catch (Exception e) {
+                    e.printStackTrace();
+                }
+            }
+        }).start();
     }
 
     private void getQuestionListRequest() {
@@ -284,46 +299,16 @@ public class InvitationChannelFragment extends Fragment {
                 Gson gson = new Gson();
                 Type listType = new TypeToken<List<List<Blog>>>() {
                 }.getType();
-//                Log.e("AllBlogList:jsonStr",jsonStr);
                 List<Blog> lists = gson.fromJson(jsonStr, listType);
-//                List<Blog> allBlogList=new ArrayList<>();
                 lists = (List<Blog>) lists.get(0);
                 allBlog = lists;
-//                Log.e("allBlog的数据",String.valueOf(lists));
                 BlogAdapter allAdapter = new BlogAdapter(allBlog);
                 allRecyclerView.setAdapter(allAdapter);
-//
-//                if(allAdapter==null)
-//                    Log.e("allAdapter","allAdapter is null");
-//                if(allRecyclerView==null)
-//                    Log.e("allRecyclerView1","allRecyclerView1 is null");
-//                allRecyclerView= (RecyclerView) (getActivity().getLayoutInflater().inflate(R.layout.recyclerview, null)).findViewById(R.id.list_community);
-//                if(allRecyclerView==null)
-//                    Log.e("allRecyclerView2","allRecyclerView2 is null");
-//                allRecyclerView.setAdapter(allAdapter);
-////                InvitationChannelFragment.allBlog=allBlogList;
 
             }
         });
     }
 
-    private void initAllBlog() {
-        Map<String, String[]> paramMap_bad = new HashMap<String, String[]>();
-        Map<String, String[]> paramMap_rec = new HashMap<String, String[]>();
-        Map<String, String[]> paramMap_exp = new HashMap<String, String[]>();
-        Map<String, String[]> paramMap_all = new HashMap<String, String[]>();
-        Map<String, String[]> paramMap = new HashMap<String, String[]>();
-
-//        paramMap.put("channelList",java.util.Arrays.copyOf(channelList,1));
-        paramMap_rec.put("channelList", new String[]{"康复"});
-        paramMap_bad.put("channelList", new String[]{"扫雷"});
-        paramMap_exp.put("channelList", new String[]{"经验"});
-
-        getExpListRequest(paramMap_exp);
-        getBadListRequest(paramMap_bad);
-        getRecInvitationRequest(paramMap_rec);
-    }
-
     private void getRecInvitationRequest(final Map paramMap) {
         new Thread(new Runnable() {
             @Override
@@ -333,7 +318,6 @@ public class InvitationChannelFragment extends Fragment {
                     OkHttpUtil.asyPost(url, paramMap, new Callback() {
                         @Override
                         public void onFailure(Call call, IOException e) {
-
                         }
 
                         @Override
@@ -349,53 +333,21 @@ public class InvitationChannelFragment extends Fragment {
         }).start();
     }
 
-    private void getInvitationRequest(final Map paramMap, final Map paramMap_bad,
-                                      final Map paramMap_rec, final Map paramMap_exp) {
-        new Thread(new Runnable() {
-            @Override
-            public void run() {
-                try {
-                    String url1 = BaseActivity.SERVER_URL + "/blog-servlet?action=get-invitation";
-                    String url2 = BaseActivity.SERVER_URL + "/question-servlet?action=get-allQuestion";
-//                    String jsonStr1= OkHttpUtil.synPost(url1, paramMap);换为异步
-//                    String jsonStr2= OkHttpUtil.synPost(url2, null);换为异步
-//                    String jsonStr_rec= OkHttpUtil.synPost(url1, paramMap_rec);
-//                    String jsonStr_bad= OkHttpUtil.synPost(url1, paramMap_bad);
-//                    String jsonStr_exp= OkHttpUtil.synPost(url1, paramMap_exp);
-//                    Log.e("getInvitationRequest","getInvitationRequest");
-//                    getInvitationResponse(jsonStr1);
-//                    getQuestionResponse(jsonStr2);
-//                    getRecInvitationResponse(jsonStr_rec);
-//                    getBadInvitationResponse(jsonStr_bad);
-//                    getExpInvitationResponse(jsonStr_exp);
-
-                } catch (Exception e) {
-                    e.printStackTrace();
-                }
-            }
-        }).start();
-    }
-
     private void getBadInvitationResponse(final String jsonStr) {
         getActivity().runOnUiThread(new Runnable() {
             @RequiresApi(api = Build.VERSION_CODES.O)
             @Override
             public void run() {
-//                Log.e("jsonStr",jsonStr);
                 Gson gson = new Gson(); // 使用 gson 库解析 JSON 数据
-//                 创建一个 TypeToken 的匿名子类对象，并调用对象的 getType()方法
                 Type listType = new TypeToken<List<List<Blog>>>() {
                 }.getType();
-//                Log.e("jsonStr",jsonStr);
                 List<List<Blog>> lists = gson.fromJson(jsonStr, listType);
-
                 List<Blog> badBlogList = new ArrayList<>();
                 badBlogList = (List<Blog>) lists.get(0);
                 badBlog = badBlogList;
                 BlogAdapter badAdapter = new BlogAdapter();
                 badAdapter.setRecnewsList(badBlog);
                 badRecyclerView.setAdapter(badAdapter);
-//                Log.e("badBlog",String.valueOf(badBlogList));
 
             }
         });
@@ -406,12 +358,9 @@ public class InvitationChannelFragment extends Fragment {
             @RequiresApi(api = Build.VERSION_CODES.O)
             @Override
             public void run() {
-//                Log.e("jsonStr",jsonStr);
                 Gson gson = new Gson(); // 使用 gson 库解析 JSON 数据
-//                 创建一个 TypeToken 的匿名子类对象，并调用对象的 getType()方法
                 Type listType = new TypeToken<List<List<Blog>>>() {
                 }.getType();
-//                Log.e("jsonStr",jsonStr);
                 List<List<Blog>> lists = gson.fromJson(jsonStr, listType);
 
                 List<Blog> recBlogList = new ArrayList<>();
@@ -420,7 +369,6 @@ public class InvitationChannelFragment extends Fragment {
                 BlogAdapter recAdapter = new BlogAdapter();
                 recAdapter.setRecnewsList(recBlog);
                 recRecyclerView.setAdapter(recAdapter);
-//                Log.e("recBlog的数据",String.valueOf(recBlogList));
             }
         });
     }
@@ -432,16 +380,13 @@ public class InvitationChannelFragment extends Fragment {
             public void run() {
                 Log.e("jsonStr", jsonStr);
                 Gson gson = new Gson(); // 使用 gson 库解析 JSON 数据
-//                 创建一个 TypeToken 的匿名子类对象，并调用对象的 getType()方法
                 Type listType = new TypeToken<List<List<Blog>>>() {
                 }.getType();
-//                Log.e("jsonStr",jsonStr);
                 List<List<Blog>> lists = gson.fromJson(jsonStr, listType);
 
                 List<Blog> expBlogList = new ArrayList<>();
                 expBlogList = (List<Blog>) lists.get(0);
                 expBlog = expBlogList;
-//                Log.e("expBlog的数据",String.valueOf(expBlogList));
                 BlogAdapter expAdapter = new BlogAdapter();
                 expAdapter.setRecnewsList(expBlog);
                 expRecyclerView.setAdapter(expAdapter);
@@ -455,8 +400,6 @@ public class InvitationChannelFragment extends Fragment {
             @Override
             public void run() {
                 Gson gson = new Gson(); // 使用 gson 库解析 JSON 数据
-//                 创建一个 TypeToken 的匿名子类对象，并调用对象的 getType()方法
-//                Log.e("questionListStr",jsonStr);
                 Type listType = new TypeToken<List<Question>>() {
                 }.getType();
                 List<Question> questionList = gson.fromJson(jsonStr, listType);
@@ -486,32 +429,36 @@ public class InvitationChannelFragment extends Fragment {
                 getAllBlogListRequest(paramMap);
                 BlogAdapter allAdapter = new BlogAdapter(allBlog);
                 allRecyclerView.setAdapter(allAdapter);
-            }else if(invitationCategoryTitleNum == 4) {
+            } else if (invitationCategoryTitleNum == 5) {
                 getQuestionListRequest();
                 QuestionAdapter questionAdapter = new QuestionAdapter(allQuestion, getContext());
                 questionAdapter.setContext(getContext());
                 questionRecyclerView.setAdapter(questionAdapter);
-            }else if(invitationCategoryTitleNum == 2) {
+            } else if (invitationCategoryTitleNum == 3) {
                 Map<String, String[]> paramMap = new HashMap<String, String[]>();
                 paramMap = new HashMap<String, String[]>();
                 paramMap.put("channelList", new String[]{"康复"});
                 getRecInvitationRequest(paramMap);
                 BlogAdapter recAdapter = new BlogAdapter(recBlog);
                 recRecyclerView.setAdapter(recAdapter);
-            }else if(invitationCategoryTitleNum == 3) {
+            } else if (invitationCategoryTitleNum == 4) {
                 Map<String, String[]> paramMap = new HashMap<String, String[]>();
                 paramMap = new HashMap<String, String[]>();
                 paramMap.put("channelList", new String[]{"扫雷"});
                 getBadListRequest(paramMap);
                 BlogAdapter badAdapter = new BlogAdapter(badBlog);
                 badRecyclerView.setAdapter(badAdapter);
-            }else if(invitationCategoryTitleNum == 1) {
+            } else if (invitationCategoryTitleNum == 2) {
                 Map<String, String[]> paramMap = new HashMap<String, String[]>();
                 paramMap = new HashMap<String, String[]>();
                 paramMap.put("channelList", new String[]{"经验"});
                 getExpListRequest(paramMap);
                 BlogAdapter expAdapter = new BlogAdapter(expBlog);
                 expRecyclerView.setAdapter(expAdapter);
+            }else if(invitationCategoryTitleNum == 1){
+                getRecommendBlog();
+                BlogAdapter recommendAdapter = new BlogAdapter();
+                recommendRecyclerView.setAdapter(recommendAdapter);
             }
 
         }

Code/LeudaemiaLikeMe/app/src/main/java/com/example/leudaemialikeme/service/WebSocketClient.java

@@ -8,11 +8,14 @@ import android.widget.Toast;
 
 import androidx.annotation.RequiresApi;
 
+import com.example.leudaemialikeme.Activity.BaseActivity;
 import com.example.leudaemialikeme.Activity.ChatActivity;
 import com.example.leudaemialikeme.Activity.MainActivity;
 import com.example.leudaemialikeme.Controller.ActivityController;
+import com.example.leudaemialikeme.Dao.FriendDao;
 import com.example.leudaemialikeme.Fragment.MessageChannelFragment;
 import com.example.leudaemialikeme.Fragment.MessageFragment;
+import com.example.leudaemialikeme.Model.Friend;
 import com.example.leudaemialikeme.Model.Message;
 import com.example.leudaemialikeme.R;
 import com.google.gson.Gson;
@@ -38,6 +41,13 @@ public class WebSocketClient extends org.java_websocket.client.WebSocketClient {
     public static final int MSG_IMAGE=2;
     public static final int MSG_SYSTEM=3;
     private MainActivity mainActivity;
+    private String content;
+    private int messageType;
+    private int receiverId;
+    private int senderId;
+    private long createTime;
+    private String username;
+
 
 
     public WebSocketClient(URI serverURI){
@@ -57,11 +67,12 @@ public class WebSocketClient extends org.java_websocket.client.WebSocketClient {
             Log.d("WS",message+" onMessage()回调");
             //提取消息
             Map<String, String> jsonMap = gson.fromJson(message, new TypeToken<Map<String, String>>() {}.getType());
-            String content = jsonMap.get("content");
-            int messageType = Integer.parseInt(Objects.requireNonNull(jsonMap.get("messageType")));
-            int receiverId = Integer.parseInt(Objects.requireNonNull(jsonMap.get("receiverNetId")));
-            int senderId = Integer.parseInt(Objects.requireNonNull(jsonMap.get("senderNetId")));
-            long createTime = Timestamp.valueOf(jsonMap.get("createTime")).getTime();
+            content = jsonMap.get("content");
+            messageType = Integer.parseInt(Objects.requireNonNull(jsonMap.get("messageType")));
+            receiverId = Integer.parseInt(Objects.requireNonNull(jsonMap.get("receiverNetId")));
+            senderId = Integer.parseInt(Objects.requireNonNull(jsonMap.get("senderNetId")));
+            createTime = Timestamp.valueOf(jsonMap.get("createTime")).getTime();
+            username = jsonMap.get("username");
             Message newMessage=new Message(senderId,receiverId,messageType, content, createTime);
             Log.d("刷新","获取到对面发送的消息");
             //获取当前活动对象
@@ -128,13 +139,12 @@ public class WebSocketClient extends org.java_websocket.client.WebSocketClient {
         currentActivity.runOnUiThread(new Runnable() {
             @Override
             public void run() {
+                FriendDao friendDao = new FriendDao();
+                if(friendDao.findByNetId(senderId, BaseActivity.owner.getNetId())==null){
+                    Friend friend = new Friend(senderId, username, BaseActivity.owner.getNetId());
+                    friendDao.insert(friend);
+                }
                 mainActivity = (MainActivity) currentActivity;
-//                FragmentManager fm = mainActivity.getSupportFragmentManager();
-//                Log.d("刷新","当前碎片管理："+fm.toString());
-//                MessageChannelFragment mcf = (MessageChannelFragment) fm.findFragmentById(R.id.fragment_message_channel);
-//                Log.d("刷新","当前所在碎片："+mcf);
-//                MessageChannelFragment msgcf = (MessageChannelFragment) mainActivity.getSupportFragmentManager().findFragmentById(R.id.fragment_message_channel);
-//                MessageChannelFragment mcf = new MessageChannelFragment();
                 MessageFragment mf = (MessageFragment) mainActivity.getFragment(2);
                 MessageChannelFragment mcf = mf.getAdapter().getMcf(0);
                 Log.d("当前碎片的名字滑动页：", mcf.getMessageCategoryTitle());