rewrite Process

src/core/process/C_StudentUploadFinishedProduct.java

@@ -7,7 +7,7 @@ import java.io.File;
 import java.util.HashMap;
 import java.util.Map;
 
-public class C_StudentUploadFinishedProduct extends TempProcess {
+public class C_StudentUploadFinishedProduct extends C_UploadFile {
 
     File finishedProduct;
     String graduationDesignId;

src/core/process/C_UploadFile.java

@@ -0,0 +1,7 @@
+package core.process;
+
+public abstract class C_UploadFile extends TempProcess {
+    public String getJspURL(){
+        return "/home/upload_file.jsp";
+    }
+}

src/dao/DBManagement.java

@@ -171,6 +171,11 @@ public class DBManagement {
         String sql = update.getSQL();
         update(sql);
     }
+    public static void updateAll(String table, List<String> fields, String increment) throws GExcptSQL {
+        UpdateAll updateAll = new UpdateAll(table,fields,increment);
+        String sql = updateAll.getSQL();
+        update(sql);
+    }
     public static List<String[]> query(String sql) throws Exception {
         if(!ifInit) return null;
         List<String[]> ls;
@@ -222,7 +227,5 @@ public class DBManagement {
         }
     }
 
-    public static void updateAll(String table, List<String> fields, String increment) {
 
-    }
 }

src/dao/UpdateAll.java

@@ -0,0 +1,48 @@
+package dao;
+
+import java.util.List;
+
+public class UpdateAll extends SQLStmt {
+    private static final String fs ="UPDATE ";
+    List<String> fields;
+    String increment;
+
+    public UpdateAll(String table, List<String> fields, String increment) {
+        super(table);
+        this.setFields(fields);
+        this.setIncrement(increment);
+    }
+
+    @Override
+    public String getSQL() {
+        return this.getFs()+this.getUs();
+    }
+
+    @Override
+    public String getFs() {
+        return fs+this.getTable()+" ";
+    }
+    public String getUs(){
+        String us = "SET ";
+        for(String s:this.getFields()){
+            us+=s+" = "+s+" + "+this.getIncrement()+", ";
+        }
+        return utils.Utils.cutTail(us,2);
+    }
+
+    public List<String> getFields() {
+        return fields;
+    }
+
+    public void setFields(List<String> fields) {
+        this.fields = fields;
+    }
+
+    public String getIncrement() {
+        return increment;
+    }
+
+    public void setIncrement(String increment) {
+        this.increment = increment;
+    }
+}

src/gdms/GDMS.java

@@ -2,6 +2,7 @@ package gdms;
 
 import dao.DBManagement;
 import error.GExcptInit;
+import error.GExcptSQL;
 
 import java.util.*;
 
@@ -25,14 +26,26 @@ public class GDMS {
                     public void run() {
                         List<String> fields = new ArrayList<>();
                         fields.add("teacher_choose_student_status");
+                        try {
                             DBManagement.updateAll("graduation_design",fields,"1");
+                        } catch (GExcptSQL gExcptSQL) {
+                            gExcptSQL.printStackTrace();
+                            System.exit(1);
+                        }
                     }
                 };
             case "student_choose_teacher_start_date":
                 return new TimerTask() {
                     @Override
                     public void run() {
-                        ;
+                        List<String> fields = new ArrayList<>();
+                        fields.add("teacher_choose_student_status");
+                        try {
+                            DBManagement.updateAll("graduation_design",fields,"1");
+                        } catch (GExcptSQL gExcptSQL) {
+                            gExcptSQL.printStackTrace();
+                            System.exit(1);
+                        }
                     }
                 };
             case "choose_end_date":

src/gdms/test.java

@@ -2,7 +2,9 @@ package gdms;
 
 import core.operation.utils.Utils;
 import core.process.C_StudentSelectTeacher;
+import dao.DBManagement;
 import dao.Select;
+import dao.UpdateAll;
 
 import java.util.ArrayList;
 import java.util.HashMap;
@@ -11,12 +13,12 @@ import java.util.Map;
 
 public class test {
     public static void main(String[] args){
-        String s = "graduation_design_finished_product_reviewer_score.reviewer_teacher_id";
+        List<String> ls = new ArrayList<>();
-        String[] ss = s.split("\\.");
+        ls.add("teacher_choose_student_status");
-        System.out.println(ss[0]);
+        ls.add("student_choose_teacher_status");
+        UpdateAll s = new UpdateAll("graduation_design",ls,"10");
+
+        System.out.println(s.getSQL());
 
-    }
-    static void changeB(String a){
-        a="B";
     }
 }