Merge remote-tracking branch 'remotes/origin/hechu1'

# Conflicts:
#	.idea/dataSources/356b1cbb-8e8d-401f-bdfc-b3e917bc8301.xml
#	src/core/operation/Select.json
#	src/core/process/Process.java
1,基本完成Operation
2，调整AccountManagement
3，其余

GDMS.iml

@@ -19,15 +19,15 @@
     </content>
     <orderEntry type="inheritedJdk" />
     <orderEntry type="sourceFolder" forTests="false" />
-    <orderEntry type="library" scope="PROVIDED" name="Tomcat 8.5" level="application_server_libraries" />
     <orderEntry type="module-library">
       <library>
         <CLASSES>
-          <root url="jar://E:/tomcat8/apache-tomcat-8.5.37/lib/tomcat-jdbc.jar!/" />
+          <root url="jar://C:/Program Files/Apache Software Foundation/Tomcat 8.5/lib/tomcat-jdbc.jar!/" />
         </CLASSES>
         <JAVADOC />
         <SOURCES />
       </library>
     </orderEntry>
+    <orderEntry type="library" scope="PROVIDED" name="Tomcat 8.5.37" level="application_server_libraries" />
   </component>
 </module>

src/core/operation/Delete.java

@@ -15,6 +15,6 @@ public class Delete extends Operation {
         for(String table:DBManagement.graduationDesignTables){
             DBManagement.delete(table,map);
         }
-        return options;
+        return this.getOptions();
     }
 }

src/core/operation/DownloadFile.java

@@ -1,12 +1,27 @@
 package core.operation;
 
 import core.user.User;
+import dao.DBManagement;
 
+import java.io.File;
+import java.sql.ResultSet;
+import java.util.ArrayList;
+import java.util.List;
 import java.util.Map;
 
 public class DownloadFile extends Operation{
     @Override
     public Map<String, Object> execute(User subject) throws Exception {
+        String table = (String) this.getOptions().get("file_type");
+        Map<String,String> limits = (Map<String, String>) this.getOptions().get("limits");
+        String field = core.operation.utils.Utils.getFileField(table);
+        List<String> ls = new ArrayList<>();
+        ls.add(field);
+        ResultSet rs = DBManagement.select(ls,table,limits,0,1);
+        rs.next();
+        String filePath = rs.getString(0);
+        File file = new File(filePath);
+        this.getOptions().put("file",file);
         return this.getOptions();
     }
 }

src/core/operation/DownloadFile.json

@@ -1,6 +1,9 @@
 {
   "options":{
-
+    "file_type":"String",
+    "limits":"Map<String,String>"
   },
-  "return":{}
+  "return":{
+    "file":"File"
+  }
 }

src/core/operation/Operation.java

@@ -1,6 +1,7 @@
 package core.operation;
 
 
+import core.operation.utils.Utils;
 import core.user.User;
 import error.GExcptFormat;
 import gdms.Mode;
@@ -9,8 +10,8 @@ import java.util.Map;
 
 public abstract class Operation {
 
-    protected Map<String, Object> options;
-    protected User subject;
+    private Map<String, Object> options;
+    private User subject;
     Operation(){
         super();
     }
@@ -26,7 +27,7 @@ public abstract class Operation {
         return options;
     }
     public void setOptions(String options) throws GExcptFormat {
-        this.options = core.operation.utils.util.string2MapOptions(options);
+        this.options = Utils.string2MapOptions(options);
     }
     public void addOptions(String key, Object value){
         if ( Mode.strict == 1){

src/core/operation/UploadFileOperation.java

@@ -1,13 +1,38 @@
 package core.operation;
 
 import core.user.User;
+import dao.DBManagement;
 import error.GExcptSQL;
 
+import java.io.File;
+import java.sql.ResultSet;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
 import java.util.Map;
 
 public class UploadFileOperation extends Operation {
     @Override
-    public Map<String, Object> execute(User subject) throws GExcptSQL {
+    public Map<String, Object> execute(User subject) throws Exception {
+        File file = (File) this.getOptions().get("file");
+        String table = (String) this.getOptions().get("file_type");
+        Map<String,String> limits = (Map<String, String>) this.getOptions().get("limits");
+
+        String field = core.operation.utils.Utils.getFileField(table);
+        String filePath = core.operation.utils.Utils.getFilePathName(table,file.getName());
+        Map<String,String> vMap = new HashMap<>();
+        vMap.put(field,filePath);
+
+        file.renameTo(new File(filePath));
+        //todo
+
+        List<String> ls = new ArrayList<>();
+        ls.add(field);
+        ResultSet rs = DBManagement.select(ls,table,limits,0,1);
+        rs.next();
+        String lastFilePath = rs.getString(0);
+        new File(lastFilePath).delete();
+        DBManagement.update(table,vMap,limits);
         return this.getOptions();
     }
 }

src/core/operation/UploadFileOperation.json

@@ -1,6 +1,8 @@
 {
   "options":{
-    "file": "File"
+    "file": "File",
+    "file_type": "String",
+    "limits":"Map<String,String>"
   },
   "return":{}
 }

src/core/operation/fileType.json

@@ -0,0 +1,5 @@
+{
+  "公告文件": "announcement",
+  "开题报告":"graduation_design_reply",
+  "毕业设计定稿":"graduation_design_finished_product"
+}

src/core/operation/utils/Utils.java

@@ -0,0 +1,53 @@
+package core.operation.utils;
+
+import error.GExcptFormat;
+import gdms.Configuration;
+import gdms.Mode;
+
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.Map;
+
+public interface Utils {
+    Map<String,String> fileTableField = new HashMap<>() {
+        {
+            put("announcement","annex_url");
+            put("graduation_design_finished_product","graduation_design_url");
+            put("graduation_design_opening_report","report_url");
+        }};
+    static String stringOptionsFormat(String options){
+        return options.replaceAll(" {2,}", " ") ;
+    }
+    static Map<String, Object> string2MapOptions(String sOptions) throws GExcptFormat {
+        sOptions = stringOptionsFormat(sOptions);
+        Map<String, Object> options = new HashMap<>();
+        String[] sOpts = sOptions.split(" ");
+        for(int i=0;i<sOpts.length;i++){
+            if(Mode.strict==1){
+                if(sOpts[i].indexOf(0)=='-')
+                    throw new GExcptFormat("options format error");
+            }
+            options.put(sOpts[i].substring(1),sOpts[++i]);
+        }
+        return options;
+    }
+    static String getFileField(String table){
+        return fileTableField.get(table);
+    }
+    static String getFilePath(String table){
+        return Configuration.filePath+table+"/";
+    }
+    static String getFileName(String fileName){
+        SimpleDateFormat simpleDateFormat;
+        simpleDateFormat = new SimpleDateFormat("yyMMddHHmmssSSS");
+        Date date = new Date();
+        String str = simpleDateFormat.format(date);
+        str+=(int)(Math.random()*100000);
+        str+= utils.Utils.getFileType(fileName);
+        return str;
+    }
+    static String getFilePathName(String table, String fileName){
+        return getFilePath(table)+getFileName(fileName);
+    }
+}

src/core/operation/utils/util.java

@@ -1,26 +0,0 @@
-package core.operation.utils;
-
-import error.GExcptFormat;
-import gdms.Mode;
-
-import java.util.HashMap;
-import java.util.Map;
-
-public interface util {
-    static String stringOptionsFormat(String options){
-        return options.replaceAll(" {2,}", " ") ;
-    }
-    static Map<String, Object> string2MapOptions(String sOptions) throws GExcptFormat {
-        sOptions = stringOptionsFormat(sOptions);
-        Map<String, Object> options = new HashMap<>();
-        String[] sOpts = sOptions.split(" ");
-        for(int i=0;i<sOpts.length;i++){
-            if(Mode.strict==1){
-                if(sOpts[i].indexOf(0)=='-')
-                    throw new GExcptFormat("options format error");
-            }
-            options.put(sOpts[i].substring(1),sOpts[++i]);
-        }
-        return options;
-    }
-}

src/core/user/utils/AccountManagement.java

@@ -1,6 +1,7 @@
 package core.user.utils;
 
 import core.user.User;
+import core.utils.GetObjectByName;
 import dao.DBManagement;
 import error.GExcptAccount;
 import error.GExcptSQL;
@@ -18,7 +19,7 @@ import java.util.Map;
 import static dao.DBManagement.userTables;
 
 public interface AccountManagement {
-    static User login(String id, String password) throws GExcptSQL, GExcptAccount, SQLException {
+    static User login(String id, String password) throws Exception {
         ResultSet rs = null;
         String userType = null;
         for(String userTable:userTables){
@@ -40,22 +41,17 @@ public interface AccountManagement {
             throw new GExcptAccount("id "+id+"don't exists");
         }
         rs.next();
-        try {
-            if(!rs.getString(2).equals(password))
-                throw new GExcptAccount("password wrong");
-            Map<String, String> vMap = new HashMap<>();
-            ResultSetMetaData rsm = rs.getMetaData();
-            rs.next();
-            for(int i=0;i<rsm.getColumnCount();i++){
-                vMap.put(rsm.getCatalogName(i),rs.getString(i));
-            }
-            return createUser(userType,vMap);
-        } catch (SQLException e) {
-            e.printStackTrace();
+        if(!rs.getString(2).equals(password))
+            throw new GExcptAccount("password wrong");
+        Map<String, String> vMap = new HashMap<>();
+        ResultSetMetaData rsm = rs.getMetaData();
+        rs.next();
+        for(int i=0;i<rsm.getColumnCount();i++){
+            vMap.put(rsm.getCatalogName(i),rs.getString(i));
         }
-        return null;
+        return createUser(userType,vMap);
     }
-    static User register(String userType, Map<String, String> vMap) throws GExcptSQL {
+    static User register(String userType, Map<String, String> vMap) throws Exception {
         DBManagement.insert(userType,vMap);
         return createUser(userType, vMap);
     }
@@ -65,16 +61,8 @@ public interface AccountManagement {
     static void destroy(User user){
         //todo
     }
-    static User getUser(String userType){
-        try {
-            return (User) Class.forName("core.user."+ Utils.toUpperFirstChar(userType)).getDeclaredConstructor().newInstance();
-        } catch (InstantiationException | IllegalAccessException | NoSuchMethodException | InvocationTargetException | ClassNotFoundException e) {
-            e.printStackTrace();
-        }
-        return null;
-    }
-    static User createUser(String userType, Map<String, String> vMap) {
-        User user = getUser(userType);
+    static User createUser(String userType, Map<String, String> vMap) throws Exception {
+        User user = GetObjectByName.getUserByName(userType);
         user.setAttr(vMap);
         return user;
     }

src/core/utils/GetObjectByName.java

@@ -1,12 +1,15 @@
 package core.utils;
 
+import core.operation.Operation;
+import core.user.User;
+
 public interface GetObjectByName {
     String userClassPath = "core.user";
     String operationClassPath = "core.operation";
-    static Object getUserByName(String name) throws Exception {
-        return Class.forName(userClassPath+"."+name).getDeclaredConstructor().newInstance();
+    static User getUserByName(String name) throws Exception {
+        return (User)Class.forName(userClassPath+"."+name).getDeclaredConstructor().newInstance();
     }
-    static Object getOperationByName(String name) throws Exception{
-        return Class.forName(operationClassPath+"."+name).getDeclaredConstructor().newInstance();
+    static Operation getOperationByName(String name) throws Exception{
+        return (Operation)Class.forName(operationClassPath+"."+name).getDeclaredConstructor().newInstance();
     }
 }

src/dao/DBManagement.java

@@ -5,6 +5,7 @@ import java.util.List;
 import java.util.Map;
 
 import error.GExcptSQL;
+import gdms.Configuration;
 import org.apache.tomcat.jdbc.pool.DataSource;
 import org.apache.tomcat.jdbc.pool.PoolProperties;
 
@@ -27,12 +28,9 @@ public class DBManagement {
         "graduation_design_reply",
         "graduation_design_reply_opinion_record_score"
     };
+    public static String driverClassName="org.mariadb.jdbc.Driver";
 
 
-    static final String driverClassName="org.mariadb.jdbc.Driver";
-    static final String url="jdbc:mariadb://localhost:3306/gdms";
-    static final String username="gdms";
-    static final String password="GDMS";
 
     public static DataSource dataSource = new DataSource();
 
@@ -40,10 +38,10 @@ public class DBManagement {
 
     public static void init(){
         PoolProperties poolProperties = new PoolProperties();
-        poolProperties.setUrl(url);
-        poolProperties.setDriverClassName(driverClassName);
-        poolProperties.setUsername(username);
-        poolProperties.setPassword(password);
+        poolProperties.setUrl(Configuration.dbUrl);
+        poolProperties.setDriverClassName(DBManagement.driverClassName);
+        poolProperties.setUsername(Configuration.dbUsername);
+        poolProperties.setPassword(Configuration.dbPassword);
         dataSource.setPoolProperties(poolProperties);
         try {
             Class.forName(driverClassName);
@@ -55,7 +53,7 @@ public class DBManagement {
     public static Connection getConnection(){
         if(!ifInit) return null;
         try {
-            return DriverManager.getConnection(url,username,password);
+            return DriverManager.getConnection(Configuration.dbUrl,Configuration.dbUsername,Configuration.dbPassword);
         } catch (SQLException e) {
             e.printStackTrace();
         }

src/gdms/Configuration.java

@@ -0,0 +1,10 @@
+package gdms;
+
+public interface Configuration {
+    //file
+    String filePath = "/";
+    //database
+    String dbUrl="jdbc:mariadb://localhost:3306/gdms";
+    String dbUsername="gdms";
+    String dbPassword="GDMS";
+}

src/gdms/test.java

@@ -1,5 +1,6 @@
 package gdms;
 
+import core.operation.utils.Utils;
 import dao.Select;
 
 import java.util.ArrayList;
@@ -17,5 +18,6 @@ public class test {
         map.put("c","d");
         Select sql = new Select(list,"zx",map,1,2);
         System.out.println(sql.getSQL());
+        System.out.println(Utils.getFilePathName("a","b"));
     }
 }

src/servlet/account/login.java

@@ -28,8 +28,10 @@ public class login extends HttpServlet {
           gExcptSQL.printStackTrace();
       } catch (GExcptAccount gExcptAccount) {
           gExcptAccount.printStackTrace();
+      } catch (Exception e) {
+        e.printStackTrace();
       }
-      request.getSession().setAttribute("User",user);
+    request.getSession().setAttribute("User",user);
       request.getRequestDispatcher("/home.jsp").forward(request,response);
   }
 

src/utils/Utils.java

@@ -27,4 +27,11 @@ public interface Utils {
     static String cutTail(String s,int i){
         return s.substring(0,s.length()-i);
     }
+    static String getFileType(String fileName){
+        if(fileName.contains(".")){
+            return fileName.substring(fileName.lastIndexOf('.'));
+        }else{
+            return "";
+        }
+    }
 }