发帖+提问

Code/LeudaemiaLikeMe/app/src/main/AndroidManifest.xml

@@ -8,6 +8,7 @@
         android:label="@string/app_name"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
+        android:name=".Utils.Data"
         android:theme="@style/Theme.LeudaemiaLikeMe">
         <activity android:name=".Activity.AttentionActivity"></activity>
         <activity android:name=".Activity.HistoryActivity" />

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

@@ -90,7 +90,7 @@ public class MainActivity extends AppCompatActivity {
             public void run() {
                 QuestionDao userDao=new QuestionDao();
                 try {
-                    userDao.qInsert();
+                    userDao.qSelect();
                 } catch (Exception e) {
                     e.printStackTrace();
                 }

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

@@ -1,16 +1,163 @@
 package com.example.leudaemialikeme.Activity;
 
+import android.annotation.SuppressLint;
 import android.os.Bundle;
+import android.text.Editable;
+import android.text.TextWatcher;
+import android.util.Log;
+import android.view.View;
+import android.widget.EditText;
+import android.widget.RadioButton;
+import android.widget.TextView;
+import android.widget.Toast;
 
 import androidx.appcompat.app.AppCompatActivity;
 
+import com.example.leudaemialikeme.Dao.InvitationDao;
 import com.example.leudaemialikeme.R;
+import com.example.leudaemialikeme.Utils.Data;
+
+import java.text.SimpleDateFormat;
+import java.util.Locale;
 
 public class SendInvitationActivity extends AppCompatActivity {
 
+    EditText titleView;
+    EditText detailView;
+    TextView cancelView;
+    TextView commitView;
+    TextView titleCountView;
+    String title;
+    String detail;
+    String type;
+    InvitationDao invitation=new InvitationDao();
+
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_send_invitation);
+
+        initView();
+        setWatcher();
+        setClick();
+    }
+
+    private void setClick() {
+        cancelView.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                SendInvitationActivity.this.finish();
+            }
+        });
+
+        commitView.setOnClickListener(new View.OnClickListener(){
+
+            @Override
+            public void onClick(View v) {
+                title=titleView.getText().toString();
+                detail=detailView.getText().toString();
+                if(title.length()<10){
+                    Log.e("输入的title:", String.valueOf(title.length()));
+                    Toast.makeText(SendInvitationActivity.this,
+                            "您输入的字数尚不足，请完善您的帖子标题",Toast.LENGTH_SHORT).show();}
+                long timeCurrent = System.currentTimeMillis();
+                SimpleDateFormat sdf =new SimpleDateFormat("yyyy-MM-dd", Locale.getDefault());
+                String time = sdf.format(timeCurrent);
+                Log.e("输入的time:", time);
+                new Thread(new Runnable(){
+                    @Override
+                    public void run() {
+                        try {
+                            Data app = (Data)getApplication();
+                            Log.e("type",type);
+                            invitation.iInsert(app.uid,type,title,detail,time,0,0);
+                            runOnUiThread(new Runnable() {
+                                @Override
+                                public void run() {
+                                    Toast.makeText(SendInvitationActivity.this,
+                                            "提交成功",Toast.LENGTH_SHORT).show();
+                                }
+                            });
+                        } catch (Exception exception) {
+                            exception.printStackTrace();
+                            runOnUiThread(new Runnable() {
+                                @Override
+                                public void run() {
+                                    Toast.makeText(SendInvitationActivity.this,
+                                            "帖子提交失败,请检查您的网络状况",Toast.LENGTH_SHORT).show();
+                                }
+                            });
+
+                        }
+                    }
+                }).start();
+
+            }
+        });
+
+
+    }
+
+
+    @SuppressLint("NonConstantResourceId")
+    public void onRadioButtonClicked(View view) {
+        RadioButton button = (RadioButton) view;
+        boolean isChecked = button.isChecked();
+        switch (view.getId()) {
+            case R.id.SendInvitation_radio_bad:
+            case R.id.SendInvitation_radio_recover:
+            case R.id.SendInvitation_radio_experience:
+            case R.id.SendInvitation_radio_knowledge:
+                if (isChecked) {
+                    type=button.getText().toString();
+                }
+                break;
+            default:
+                type="经验帖";
+                break;
+        }
+    }
+    public void initView(){
+        titleView=(EditText)findViewById(R.id.invitation_title);
+        detailView=(EditText)findViewById(R.id.invitation_detail);
+        cancelView=(TextView)findViewById(R.id.invitation_cancel);
+        commitView=(TextView)findViewById(R.id.invitation_commit);
+        titleCountView=(TextView)findViewById(R.id.invitation_title_count);
     }
+
+    public void setWatcher(){
+        titleView.addTextChangedListener(new TextWatcher() {
+            private CharSequence temp;
+            @Override
+            public void beforeTextChanged(CharSequence s, int start, int count, int after) {
+
+            }
+
+            @Override
+            public void onTextChanged(CharSequence s, int start, int before, int count) {
+                temp=s;
+            }
+
+            @Override
+            public void afterTextChanged(Editable s) {
+                int editStart = titleView.getSelectionStart();
+                int editEnd = titleView.getSelectionEnd();
+                titleCountView.setText(temp.length()+"/40");
+                if(temp.length()>40){
+                    Toast.makeText(SendInvitationActivity.this,
+                            "您输入的字数已经超过限制",Toast.LENGTH_SHORT).show();
+                    s.delete(editStart-1,editEnd);
+                    int tempSelection=editStart;
+                    titleView.setText(s);
+                    try{
+                        titleView.setSelection(tempSelection);
+                    } catch (Exception exception) {
+                        titleView.setText(s);
+                    }
+                }
+            }
+        });
+    }
+
 }

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

@@ -1,25 +1,179 @@
 package com.example.leudaemialikeme.Activity;
 
+import android.annotation.SuppressLint;
 import android.os.Bundle;
+import android.text.Editable;
+import android.text.TextWatcher;
+import android.util.Log;
 import android.view.View;
+import android.widget.EditText;
+import android.widget.TextView;
+import android.widget.Toast;
 
 import androidx.appcompat.app.AppCompatActivity;
 
+import com.example.leudaemialikeme.Dao.QuestionDao;
 import com.example.leudaemialikeme.R;
+import com.example.leudaemialikeme.Utils.Data;
 
-public class SendQuestionActivity extends AppCompatActivity implements View.OnClickListener{
+import java.text.SimpleDateFormat;
+import java.util.Locale;
+
+public class SendQuestionActivity extends AppCompatActivity{
+
+    EditText titleText;
+    EditText detailText;
+    TextView cancelView;
+    TextView commitView;
+    TextView textCountView;
+    TextView titleCountView;
+    String title;
+    String detail;
+    QuestionDao question=new QuestionDao();
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_send_question);
+        initViews();
+        setWatcher();
+        setClick();
+    }
+
+    private void setClick() {
+        cancelView.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                SendQuestionActivity.this.finish();
+            }
+        });
+
+        commitView.setOnClickListener(new View.OnClickListener(){
+
+            @Override
+            public void onClick(View v) {
+                title=titleText.getText().toString();
+                detail=detailText.getText().toString();
+                if(titleText.getText().toString().length()<10){
+                    Log.e("输入的title:", String.valueOf(title.length()));
+                    Toast.makeText(SendQuestionActivity.this,
+                            "您输入的字数尚不足，请完善您的问题以便获得更好的回答",Toast.LENGTH_SHORT).show();}
+                long timeCurrent = System.currentTimeMillis();
+                SimpleDateFormat sdf =new SimpleDateFormat("yyyy-MM-dd", Locale.getDefault());
+                String time = sdf.format(timeCurrent);
+                Log.e("输入的time:", time);
+                new Thread(new Runnable(){
+                    @Override
+                    public void run() {
+                        try {
+                            Data app = (Data)getApplication();
+                            question.qInsert(app.uid,title,detail,time,0,0,0);
+                            runOnUiThread(new Runnable() {
+                                @Override
+                                public void run() {
+                                    Toast.makeText(SendQuestionActivity.this,
+                                            "提交成功",Toast.LENGTH_SHORT).show();
+                                }
+                            });
+                        } catch (Exception exception) {
+                            exception.printStackTrace();
+                            runOnUiThread(new Runnable() {
+                                @Override
+                                public void run() {
+                                    Toast.makeText(SendQuestionActivity.this,
+                                            "问题提交失败,请检查您的网络状况",Toast.LENGTH_SHORT).show();
+                                }
+                            });
+
+                        }
+                    }
+                }).start();
+
+            }
+        });
+
 
     }
 
-    @Override
-    public void onClick(View v) {
 
+    public void initViews(){
+        titleText=(EditText)findViewById(R.id.editText_question);
+        detailText=(EditText)findViewById(R.id.editText_question_detail);
+        cancelView=(TextView)findViewById(R.id.cancel);
+        commitView=(TextView)findViewById(R.id.commit);
+        textCountView=(TextView)findViewById(R.id.text_count);
+        titleCountView=(TextView)findViewById(R.id.title_count);
+//        title=titleText.getText().toString();
+//        detail=detailText.getText().toString();
     }
+
+    public void setWatcher(){
+        titleText.addTextChangedListener(new TextWatcher() {
+            private CharSequence temp;
+            @Override
+            public void beforeTextChanged(CharSequence s, int start, int count, int after) {
+
+            }
+
+            @Override
+            public void onTextChanged(CharSequence s, int start, int before, int count) {
+                temp=s;
+            }
+
+            @Override
+            public void afterTextChanged(Editable s) {
+                int editStart = titleText.getSelectionStart();
+                int editEnd = titleText.getSelectionEnd();
+                titleCountView.setText(temp.length()+"/40");
+                if(temp.length()>40){
+                    Toast.makeText(SendQuestionActivity.this,
+                            "您输入的字数已经超过限制",Toast.LENGTH_SHORT).show();
+                    s.delete(editStart-1,editEnd);
+                    int tempSelection=editStart;
+                    detailText.setText(s);
+                    try{
+                        detailText.setSelection(tempSelection);
+                    } catch (Exception exception) {
+                        detailText.setText(s);
+                    }
+                }
+            }
+        });
+
+        detailText.addTextChangedListener(new TextWatcher() {
+            private CharSequence temp;
+
+            @Override
+            public void beforeTextChanged(CharSequence s, int start, int count, int after) {
+
+            }
+            @Override
+            public void onTextChanged(CharSequence s, int start, int before, int count) {
+                temp=s;
+            }
+            @SuppressLint("SetTextI18n")
+            @Override
+            public void afterTextChanged(Editable s) {
+                int editStart = detailText.getSelectionStart();
+                int editEnd = detailText.getSelectionEnd();
+                textCountView.setText(temp.length()+"/200");
+                if(temp.length()>200){
+                    Toast.makeText(SendQuestionActivity.this,
+                            "您输入的字数已经超过限制",Toast.LENGTH_SHORT).show();
+                    s.delete(editStart-1,editEnd);
+                    int tempSelection=editStart;
+                    detailText.setText(s);
+                    try{
+                        detailText.setSelection(tempSelection);
+                    } catch (Exception exception) {
+                        detailText.setText(s);
+                    }
+                }
+            }
+        });
+
+    }
+
 }
 
 

Code/LeudaemiaLikeMe/app/src/main/java/com/example/leudaemialikeme/Dao/InvitationDao.java

@@ -0,0 +1,28 @@
+package com.example.leudaemialikeme.Dao;
+
+import com.example.leudaemialikeme.Utils.DBUtils;
+
+import java.sql.Connection;
+import java.sql.ResultSet;
+import java.sql.Statement;
+
+public class InvitationDao {
+    public boolean iInsert(int uid,String type,String title,String content,String time,int likeNum,int collectNum)throws Exception{
+        Connection conn=null;
+        Statement state=null;
+        ResultSet rs=null;
+        try{
+            conn= DBUtils.getConnect();
+            state=conn.createStatement();
+            String sql="insert blog(uid,utype,utitle,ucontent,utime,ulikeNum,ucollectNum) values('"+
+                    uid+"','"+type+"','"+title+"','"+content+"','"+time+"','"+likeNum+"','"+collectNum+"')";
+            state.execute(sql);
+        }catch (Exception e){
+            e.printStackTrace();
+        }finally {
+            DBUtils.release(conn,state,rs);
+        }
+        return true;
+    }
+
+}

Code/LeudaemiaLikeMe/app/src/main/java/com/example/leudaemialikeme/Dao/QuestionDao.java

@@ -10,7 +10,7 @@ import java.sql.Statement;
 
 public class QuestionDao {
 
-    public boolean qInsert()throws Exception{
+    public boolean qSelect()throws Exception{
         Connection conn=null;
         Statement state=null;
         ResultSet rs=null;
@@ -29,7 +29,26 @@ public class QuestionDao {
         }
         return true;
     }
+
+    public boolean qInsert(int uid,String title,
+                           String content,String time,int follow,int answer,int browse
+    )throws Exception{
+        Connection conn=null;
+        Statement state=null;
+        ResultSet rs=null;
+        try{
+            conn= DBUtils.getConnect();
+            state=conn.createStatement();
+            String sql="insert question(uid,qtitle,qcontent,qtime,qfollowNum,qanswerNum,qbrowseNum) values('"+
+                    uid+"','"+title+"','"+content+"','"+time+"','"+follow+"','"+answer+"','"+browse+"')";
+            state.execute(sql);
+        }catch (Exception e){
+            e.printStackTrace();
+        }finally {
+            DBUtils.release(conn,state,rs);
+        }
+        return true;
+    }
 }
 
-//int uid,String title,
-//                          String content,String time,int follow,int answer,int browse
+

Code/LeudaemiaLikeMe/app/src/main/java/com/example/leudaemialikeme/Utils/DBUtils.java

@@ -10,7 +10,7 @@ import java.sql.Statement;
 public class DBUtils {
 
     private final static String driver = "com.mysql.jdbc.Driver";
-    private final static String url = "jdbc:mysql://192.168.80.1:3306/leukemia?serverTimezone=UTC";
+    private final static String url = "jdbc:mysql://192.168.80.1:3306/leukemia?serverTimezone=UTC&useSSL=false&characterEncoding=utf8";
 
     private final static String username = "root";
     private final static String password = "123456";

Code/LeudaemiaLikeMe/app/src/main/java/com/example/leudaemialikeme/Utils/Data.java

@@ -0,0 +1,20 @@
+package com.example.leudaemialikeme.Utils;
+public class Data extends android.app.Application {
+    public int uid=1;
+    public String id="430481200101220131";
+    public String name="abc";
+
+    public int getUid(){
+        return uid;
+    }
+    public void setUid(int uid){
+        this.uid= uid;
+    }
+
+    public String getId(){
+        return this.id;
+    }
+    public void setId(String id){
+        this.id= id;
+    }
+}

Code/LeudaemiaLikeMe/app/src/main/res/layout/activity_send_invitation.xml

@@ -7,7 +7,7 @@ android:layout_height="match_parent"
 android:orientation="vertical"
     tools:context="com.example.leudaemialikeme.Activity.SendInvitationActivity" >
 
-<LinearLayout
+    <LinearLayout
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
     android:layout_marginTop="15dp"
@@ -15,7 +15,7 @@ android:orientation="vertical"
     android:orientation="horizontal">
 
     <TextView
-        android:id="@+id/cancel0"
+        android:id="@+id/invitation_cancel"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_weight="1"
@@ -24,7 +24,7 @@ android:orientation="vertical"
         android:text="取消" />
 
     <TextView
-        android:id="@+id/text_release"
+        android:id="@+id/invitation_release"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_weight="3"
@@ -33,7 +33,7 @@ android:orientation="vertical"
         android:text="发布" />
 
     <TextView
-        android:id="@+id/commit0"
+        android:id="@+id/invitation_commit"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_weight="1"
@@ -49,17 +49,26 @@ android:orientation="vertical"
     android:orientation="vertical">
 
     <EditText
-        android:id="@+id/editText_release"
+        android:id="@+id/invitation_title"
         android:layout_width="match_parent"
         android:layout_height="42dp"
         android:ems="10"
         android:maxLength="40"
         android:inputType="textPersonName"
         android:layout_margin="10dp"
-        android:hint="请输入你的标题" />
+        android:hint="请输入你的标题(10-40字)" />
+
+    <TextView
+        android:id="@+id/invitation_title_count"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginLeft="15dp"
+        android:gravity="start"
+        android:text="0/40"
+        android:textSize="15dp" />
 
     <EditText
-        android:id="@+id/editText_question_detail"
+        android:id="@+id/invitation_detail"
         android:layout_width="match_parent"
         android:layout_height="280dp"
         android:ems="10"
@@ -74,6 +83,59 @@ android:orientation="vertical"
         android:src="@mipmap/img_upload_img"
         android:layout_margin="10dp"
         />
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:orientation="horizontal">
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginLeft="15dp"
+            android:layout_marginTop="5dp"
+            android:gravity="start"
+            android:text="添加标签："
+            android:textSize="15dp" />
+
+        <RadioGroup
+            android:id="@+id/invitation_type"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="horizontal">
+
+                <RadioButton
+                        android:id="@+id/SendInvitation_radio_bad"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:onClick="onRadioButtonClicked"
+                        android:text="扫雷贴" />
+
+                <RadioButton
+                    android:id="@+id/SendInvitation_radio_recover"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:onClick="onRadioButtonClicked"
+                    android:text="康复帖" />
+
+                <RadioButton
+                        android:id="@+id/SendInvitation_radio_experience"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:onClick="onRadioButtonClicked"
+                        android:text="经验贴" />
+
+                <RadioButton
+                        android:id="@+id/SendInvitation_radio_knowledge"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:onClick="onRadioButtonClicked"
+                        android:text="科普贴" />
+
+        </RadioGroup>
+    </LinearLayout>
+
+
 </LinearLayout>
 
 </LinearLayout>

Code/LeudaemiaLikeMe/app/src/main/res/layout/activity_send_question.xml

@@ -54,19 +54,30 @@
             android:layout_height="42dp"
             android:ems="10"
             android:maxLength="40"
-            android:inputType="textPersonName"
+            android:inputType="textMultiLine"
+            android:lines="4"
             android:layout_margin="10dp"
-            android:hint="请输入你的问题(10-40个字)" />
+            android:hint="请输入你的问题(10-40字)" />
+
+        <TextView
+            android:id="@+id/title_count"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginLeft="15dp"
+            android:gravity="start"
+            android:text="0/40"
+            android:textSize="15dp" />
 
         <EditText
             android:id="@+id/editText_question_detail"
             android:layout_width="match_parent"
             android:layout_height="280dp"
             android:ems="10"
-            android:inputType="textPersonName"
             android:maxLines="4"
             android:gravity="start"
             android:layout_margin="10dp"
+            android:inputType="textMultiLine"
+            android:lines="8"
             android:hint="(选填)填入补充说明" />
 
         <TextView