shangchuan

src/demo/src/main/java/com/example/demo/common/UploadFileTool.java

@@ -0,0 +1,4 @@
+package com.example.demo.common;
+
+public class UploadFileTool {
+}

src/demo/src/main/java/com/example/demo/controller/Demmo.java

@@ -94,12 +94,12 @@ public class Demmo {
                        @RequestParam(value = "name",required = true) String name,
                        @RequestParam(value = "skey",required = true) String skey)
     {
-        QueryWrapper<User> queryWrapper=new QueryWrapper<>();
-        queryWrapper.like("skey",skey);
-      User user = this.userMapper.selectOne(queryWrapper);
-      user.setStudent_Number(studentnumber);
-      user.setName(name);
-      this.userMapper.updateById(user);
+        QueryWrapper<User> queryWrapper = new QueryWrapper<>();
+        queryWrapper.like("skey", skey);
+        User user = this.userMapper.selectOne(queryWrapper);
+        user.setStudentNumber(studentnumber);
+        user.setName(name);
+        this.userMapper.updateById(user);
         System.out.println(user);
 
     }

src/demo/src/main/java/com/example/demo/controller/TaskuploadController.java

@@ -0,0 +1,99 @@
+package com.example.demo.controller;
+
+import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
+import com.example.demo.domain.Taskson;
+import com.example.demo.domain.User;
+import com.example.demo.mapper.TasksonMapper;
+import com.example.demo.mapper.UserMapper;
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import org.apache.http.impl.bootstrap.HttpServer;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpRequest;
+import org.springframework.web.bind.annotation.*;
+import org.springframework.web.multipart.MultipartFile;
+import org.springframework.web.multipart.MultipartHttpServletRequest;
+
+import javax.servlet.http.HttpServletRequest;
+import java.io.*;
+
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.List;
+
+@Tag(name = "任务上传", description = " ")
+@RestController
+public class TaskuploadController {
+    @Autowired
+    private TasksonMapper tasksonMapper;
+    @Autowired
+    private UserMapper userMapper;
+
+    @RequestMapping(value = "/taskupload", method = RequestMethod.POST)
+    @Operation(summary = "任务上传接口")
+    public String taskupload(HttpServletRequest request,
+                             @RequestParam(name = "skey", required = true) String skey) {
+        //skey 查表
+
+        QueryWrapper<User> queryWrapper = new QueryWrapper<>();
+        queryWrapper.like("skey", skey);
+        User user = this.userMapper.selectOne(queryWrapper);
+        System.out.println(user);
+        QueryWrapper<Taskson> queryWrapper1 = new QueryWrapper<>();
+        queryWrapper1.like("studentnumber", user.getStudentNumber());
+        queryWrapper1.like("Task_id", 1); //任务表（需修改）
+        Taskson taskson = this.tasksonMapper.selectOne(queryWrapper1);
+        if (taskson == null) {
+            taskson = new Taskson();
+            taskson.setTaskid(1);//任务id（需修改）
+            taskson.setStudentnumber(user.getStudentNumber());
+            this.tasksonMapper.insert(taskson);
+        }
+        //文件接收
+        taskson = this.tasksonMapper.selectOne(queryWrapper1);
+        List<MultipartFile> files = ((MultipartHttpServletRequest) request).getFiles("file");
+        String type = files.get(0).getOriginalFilename().split("\\.")[1];
+        MultipartFile file = null;
+        FileOutputStream stream = null;
+        Path fapath = Paths.get("E:\\git\\project\\src\\demo\\target" + "\\" + taskson.getTaskid());
+        try {
+            Files.createDirectories(fapath);
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        String path = "E:\\git\\project\\src\\demo\\target" + "\\" + taskson.getTaskid() + "\\" + taskson.getStudentnumber() + "." + type;
+
+
+        try {
+            stream = new FileOutputStream(path);
+        } catch (FileNotFoundException e) {
+            e.printStackTrace();
+        }
+        for (int i = 0; i < files.size(); ++i) {
+            file = files.get(i);
+            if (!file.isEmpty()) {
+                try {
+                    byte[] bytes = file.getBytes();
+
+                    stream.write(bytes);
+                    stream.close();
+                } catch (Exception e) {
+                    stream = null;
+                    return "You failed to upload " + i + " => "
+                            + e.getMessage();
+                }
+            } else {
+                return "You failed to upload " + i
+                        + " because the file was empty.";
+            }
+        }
+        System.out.println("upload success");
+        taskson.setFilepath(path);
+        this.tasksonMapper.updateById(taskson);
+        return "upload successful";
+
+    }
+
+
+}

src/demo/src/main/java/com/example/demo/domain/Taskson.java

@@ -0,0 +1,82 @@
+package com.example.demo.domain;
+
+import com.baomidou.mybatisplus.annotation.TableField;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import com.baomidou.mybatisplus.core.conditions.Wrapper;
+import com.baomidou.mybatisplus.core.conditions.segments.MergeSegments;
+import lombok.Data;
+import org.springframework.format.annotation.DateTimeFormat;
+
+import java.util.Date;
+
+@Data
+@TableName("taskson")
+public class Taskson extends Wrapper<Taskson> {
+    /**
+     * id
+     */
+    @TableField("id")
+    private int id;
+    /**
+     * Task_id
+     */
+    @TableField("Task_id")
+    private int Taskid;
+    /**
+     * studentnumber
+     */
+    @TableField("studentnumber")
+    private String studentnumber;
+    /**
+     * finishtime
+     */
+    @TableField("finishtime")
+    @DateTimeFormat(pattern = "yyyy-MM-dd")
+    private Date finishtime;
+    /**
+     * filepath
+     */
+    @TableField("filepath")
+    private String filepath;
+
+    /**
+     * 实体对象（子类实现）
+     *
+     * @return 泛型 T
+     */
+    @Override
+    public Taskson getEntity() {
+        return null;
+    }
+
+    /**
+     * 获取 MergeSegments
+     */
+    @Override
+    public MergeSegments getExpression() {
+        return null;
+    }
+
+    /**
+     * 获取自定义SQL 简化自定义XML复杂情况
+     * <p>使用方法</p>
+     * <p>`自定义sql` + ${ew.customSqlSegment}</p>
+     * <p>1.逻辑删除需要自己拼接条件 (之前自定义也同样)</p>
+     * <p>2.不支持wrapper中附带实体的情况 (wrapper自带实体会更麻烦)</p>
+     * <p>3.用法 ${ew.customSqlSegment} (不需要where标签包裹,切记!)</p>
+     * <p>4.ew是wrapper定义别名,可自行替换</p>
+     */
+    @Override
+    public String getCustomSqlSegment() {
+        return null;
+    }
+
+    /**
+     * SQL 片段
+     */
+    @Override
+    public String getSqlSegment() {
+        return null;
+    }
+}

src/demo/src/main/java/com/example/demo/domain/User.java

@@ -86,9 +86,9 @@ public class    User extends Wrapper<User> {
      * 学号
      */
     @TableField("Student_Number")
-    private String Student_Number;
+    private String StudentNumber;
     /**
-     *  权限
+     * 权限
      */
     @TableField("power")
     private int power;

src/demo/src/main/java/com/example/demo/mapper/TasksonMapper.java

@@ -0,0 +1,10 @@
+package com.example.demo.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.example.demo.domain.Taskson;
+import org.apache.ibatis.annotations.Mapper;
+
+
+@Mapper
+public interface TasksonMapper extends BaseMapper<Taskson> {
+}