ADD file via upload

flower_back/src/main/java/com/example/flower/controller/ClassController.java

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+package com.example.flower.controller;
+
+import com.alibaba.fastjson.JSONArray;
+import com.alibaba.fastjson.JSONObject;
+import com.example.flower.entity.Class;
+import com.example.flower.service.ClassService;
+import com.example.flower.unit.JWTUtil;
+import jakarta.annotation.Resource;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+
+@RestController
+@RequestMapping("/class")
+public class ClassController {
+    @Resource
+    private ClassService classService;
+
+    @PostMapping("/list") //classList获取所有类别信息列表
+    public JSONObject classList(@RequestHeader String Authorization, @RequestBody JSONObject param){
+        JSONObject jsonObject = new JSONObject();
+
+        if(!JWTUtil.checkToken(Authorization)){ //token认证失败
+            JWTUtil.checkTokenFailed(jsonObject);
+            return jsonObject;
+        }
+        JSONObject jsonObject1 = new JSONObject();
+        int page=param.getIntValue("page");
+        int page_size=param.getIntValue("page_size");
+
+        List<Class> classList = classService.classList(page,page_size).getList();
+
+        jsonObject1.put("page_number",classService.classList(page,page_size).getPages());
+        jsonObject1.put("total",classService.classList(page,page_size).getTotal());
+
+        int size=classList.size();
+
+        JSONObject[] objects = new JSONObject[size];
+        for(int i = 0;i<size;i++){
+            objects[i]=new JSONObject();
+            objects[i].put("class_id", classList.get(i).getClass_id());
+            objects[i].put("class_name", classList.get(i).getClass_name());
+        }
+        jsonObject1.put("classes",objects);
+
+        jsonObject.put("code",200 );
+        jsonObject.put("msg","token认证成功!" );
+        jsonObject.put("data",jsonObject1);
+
+
+        return jsonObject;
+    }
+
+    @PostMapping("/query") //classQuery查询类别信息列表
+    public JSONObject classListByQuery(@RequestHeader String Authorization, @RequestBody JSONObject param){
+        JSONObject jsonObject = new JSONObject();
+
+        if(!JWTUtil.checkToken(Authorization)){ //token认证失败
+            JWTUtil.checkTokenFailed(jsonObject);
+            return jsonObject;
+        }
+
+        JSONObject jsonObject1 = new JSONObject();
+        int page=param.getIntValue("page");
+        int page_size=param.getIntValue("page_size");
+        String class_name = param.getString("class_name");
+
+        List<Class> classList = classService.classListByQuery(page,page_size,class_name).getList();
+
+        jsonObject1.put("page_number",classService.classListByQuery(page,page_size,class_name).getPages());
+        jsonObject1.put("total",classService.classListByQuery(page,page_size,class_name).getTotal());
+
+        int size=classList.size();
+
+        JSONObject[] objects = new JSONObject[size];
+        for(int i = 0;i<size;i++){
+            objects[i]=new JSONObject();
+            objects[i].put("class_id", classList.get(i).getClass_id());
+            objects[i].put("class_name", classList.get(i).getClass_name());
+        }
+        jsonObject1.put("classes",objects);
+
+        jsonObject.put("code",200 );
+        jsonObject.put("msg","token认证成功!" );
+        jsonObject.put("data",jsonObject1);
+        return jsonObject;
+    }
+
+    @PostMapping("/add") //classAdd添加新类别
+    public JSONObject classAdd(@RequestHeader String Authorization, @RequestBody JSONObject param){
+        JSONObject jsonObject = new JSONObject();
+
+        if(!JWTUtil.checkToken(Authorization)){ //token认证失败
+            JWTUtil.checkTokenFailed(jsonObject);
+            return jsonObject;
+        }
+
+        Class c = new Class();
+        c.setClass_name(param.getString("class_name"));
+
+        classService.classAdd(c);
+
+        jsonObject.put("code",200 );
+        jsonObject.put("msg","成功" );
+        jsonObject.put("class_id",c.getClass_id());
+
+        return jsonObject;
+    }
+
+    @PostMapping("/deletePer") //classDeletePer删除单个类别
+    public JSONObject classDeletePer(@RequestHeader String Authorization, @RequestBody JSONObject param){
+        JSONObject jsonObject = new JSONObject();
+
+        if(!JWTUtil.checkToken(Authorization)){ //token认证失败
+            JWTUtil.checkTokenFailed(jsonObject);
+            return jsonObject;
+        }
+
+        int flag = classService.classDeletePer(param.getIntValue("class_id"));
+        if(flag==1){
+            jsonObject.put("code",200 );
+            jsonObject.put("msg","成功" );
+        }
+        else {
+            jsonObject.put("code",403 );
+            jsonObject.put("msg","删除失败" );
+        }
+        return jsonObject;
+    }
+
+    @PostMapping("/deleteMul") //classDeleteMul批量删除类别
+    public JSONObject classDeleteMul(@RequestHeader String Authorization, @RequestBody JSONObject param){
+        JSONObject jsonObject = new JSONObject();
+
+        if(!JWTUtil.checkToken(Authorization)){ //token认证失败
+            JWTUtil.checkTokenFailed(jsonObject);
+            return jsonObject;
+        }
+
+        //获取请求参数
+        JSONArray class_ids = param.getJSONArray("class_ids");
+        if(class_ids.size()==0){
+            jsonObject.put("code",403);
+            jsonObject.put("msg","批量删除失败,请选择类别");
+            return jsonObject;
+        }
+
+        int [] ids = new int[class_ids.size()];
+
+        //把class_id中的数据进行类型转换并存入到int数组中
+        for (int i = 0; i < class_ids.size(); i++) {
+            ids[i] = Integer.parseInt(class_ids.getString(i));
+        }
+
+        int result = classService.classDeleteMul(ids);
+        if(result == ids.length){
+            jsonObject.put("code",200);
+            jsonObject.put("msg","批量删除成功,删除了"+result+"条类别数据");
+        }else{
+            jsonObject.put("code",403);
+            jsonObject.put("msg","批量删除失败,删除了"+result+"条类别数据");
+        }
+        return jsonObject;
+
+    }
+
+    @PostMapping("/info") //classInfo获取类别信息
+    public JSONObject classInfo(@RequestHeader String Authorization, @RequestBody JSONObject param){
+        JSONObject jsonObject = new JSONObject();
+
+        if(!JWTUtil.checkToken(Authorization)){ //token认证失败
+            JWTUtil.checkTokenFailed(jsonObject);
+            return jsonObject;
+        }
+
+        int class_id = param.getIntValue("class_id");
+        Class c = classService.classInfo(class_id);
+
+        if(c!=null){
+            JSONObject jsonObject1 = new JSONObject();
+            jsonObject1.put("class_id",c.getClass_id());
+            jsonObject1.put("class_name",c.getClass_name());
+
+            jsonObject.put("code",200);
+            jsonObject.put("msg","成功");
+            jsonObject.put("data",jsonObject1);
+
+        }
+        else{
+            jsonObject.put("code",403);
+            jsonObject.put("msg","获取类别信息失败");
+            jsonObject.put("data",null);
+        }
+
+        return jsonObject;
+    }
+
+    @PostMapping("/modify") //classModify修改类别信息
+    public JSONObject classModify(@RequestHeader String Authorization, @RequestBody JSONObject param){
+        JSONObject jsonObject = new JSONObject();
+
+        if(!JWTUtil.checkToken(Authorization)){ //token认证失败
+            JWTUtil.checkTokenFailed(jsonObject);
+            return jsonObject;
+        }
+
+        Class c = new Class();
+        c.setClass_id(param.getIntValue("class_id"));
+        c.setClass_name(param.getString("class_name"));
+
+        int flag = classService.classModify(c);
+        if(flag==1){
+            jsonObject.put("code",200 );
+            jsonObject.put("msg","修改成功" );
+        }
+        else{
+            jsonObject.put("code",403 );
+            jsonObject.put("msg","修改失败" );
+        }
+
+        return jsonObject;
+    }
+}