http响应-统一响应格式

springboot-web-req-resp/src/main/java/com/inmind/controller/ResponseController.java

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+package com.inmind.controller;
+
+import com.inmind.pojo.Address;
+import com.inmind.pojo.Result;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@RestController//RestController中包含@ResponseBody，如果在类上添加了@ResponseBody，那就代表类中所有方法上都设置了@ResponseBody
+public class ResponseController {
+
+    /*//响应普通的字符串
+    @RequestMapping("/hello")
+    public String hello(){
+        System.out.println("hello World");
+        return "hello World";
+    }
+
+    //响应对象
+    @RequestMapping("/getAddr")
+    public Address getAddr(){
+        Address address = new Address();
+        address.setProvince("江苏");
+        address.setCity("常州");
+        return address;
+    }
+
+    //响应集合
+    @RequestMapping("/listAddr")
+    public List<Address> listAddr(){
+        ArrayList<Address> list = new ArrayList<>();
+
+        Address address = new Address();
+        address.setProvince("江苏");
+        address.setCity("常州");
+
+        list.add(address);
+        Address address1 = new Address();
+        address1.setProvince("江苏");
+        address1.setCity("苏州");
+
+        list.add(address1);
+        return list;
+    }*/
+
+    //响应普通的字符串
+    @RequestMapping("/hello")
+    public Result hello(){
+        System.out.println("hello World");
+        return new Result(1,"成功","hello world");
+    }
+
+    //响应对象
+    @RequestMapping("/getAddr")
+    public Result getAddr(){
+        Address address = new Address();
+        address.setProvince("江苏");
+        address.setCity("常州");
+        return new Result(1,"成功",address);
+    }
+
+    //响应集合
+    @RequestMapping("/listAddr")
+    public Result listAddr(){
+        ArrayList<Address> list = new ArrayList<>();
+
+        Address address = new Address();
+        address.setProvince("江苏");
+        address.setCity("常州");
+
+        list.add(address);
+        Address address1 = new Address();
+        address1.setProvince("江苏");
+        address1.setCity("苏州");
+
+        list.add(address1);
+        return new Result(1,"成功",list);
+    }
+
+}

springboot-web-req-resp/src/main/java/com/inmind/pojo/Result.java

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+package com.inmind.pojo;
+
+public class Result {
+    private Integer code;//1：成功 0：失败
+    private String msg;//提示信息
+    private Object data;//数据data
+
+    public Result() {
+    }
+
+    public Result(Integer code, String msg, Object data) {
+        this.code = code;
+        this.msg = msg;
+        this.data = data;
+    }
+
+    public Integer getCode() {
+        return code;
+    }
+
+    public void setCode(Integer code) {
+        this.code = code;
+    }
+
+    public String getMsg() {
+        return msg;
+    }
+
+    public void setMsg(String msg) {
+        this.msg = msg;
+    }
+
+    public Object getData() {
+        return data;
+    }
+
+    public void setData(Object data) {
+        this.data = data;
+    }
+
+    @Override
+    public String toString() {
+        return "Result{" +
+                "code=" + code +
+                ", msg='" + msg + '\'' +
+                ", data=" + data +
+                '}';
+    }
+}