添加支持泛型的返回对象，并修改TestController实例

ruoyi-admin/src/main/java/com/ruoyi/web/controller/tool/TestController.java

@@ -4,6 +4,8 @@ import java.util.ArrayList;
 import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
+
+import com.ruoyi.common.core.domain.XaResult;
 import org.springframework.web.bind.annotation.DeleteMapping;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PathVariable;
@@ -33,6 +35,7 @@ import io.swagger.annotations.ApiOperation;
 public class TestController extends BaseController
 {
     private final static Map<Integer, UserEntity> users = new LinkedHashMap<Integer, UserEntity>();
+
     {
         users.put(1, new UserEntity(1, "admin", "admin123", "15888888888"));
         users.put(2, new UserEntity(2, "ry", "admin123", "15666666666"));
@@ -40,24 +43,24 @@ public class TestController extends BaseController
 
     @ApiOperation("获取用户列表")
     @GetMapping("/list")
-    public AjaxResult userList()
+    public XaResult<List<UserEntity>> userList()
     {
         List<UserEntity> userList = new ArrayList<UserEntity>(users.values());
-        return AjaxResult.success(userList);
+        return XaResult.success(userList);
     }
 
     @ApiOperation("获取用户详细")
     @ApiImplicitParam(name = "userId", value = "用户ID", required = true, dataType = "int", paramType = "path")
     @GetMapping("/{userId}")
-    public AjaxResult getUser(@PathVariable Integer userId)
+    public XaResult<UserEntity> getUser(@PathVariable Integer userId)
     {
         if (!users.isEmpty() && users.containsKey(userId))
         {
-            return AjaxResult.success(users.get(userId));
+            return XaResult.success(users.get(userId));
         }
         else
         {
-            return error("用户不存在");
+            return XaResult.error("用户不存在");
         }
     }
 
@@ -69,44 +72,44 @@ public class TestController extends BaseController
         @ApiImplicitParam(name = "mobile", value = "用户手机", dataType = "String")
     })
     @PostMapping("/save")
-    public AjaxResult save(UserEntity user)
+    public XaResult<UserEntity> save(UserEntity user)
     {
         if (StringUtils.isNull(user) || StringUtils.isNull(user.getUserId()))
         {
-            return error("用户ID不能为空");
+            return XaResult.error("用户ID不能为空");
         }
-        return AjaxResult.success(users.put(user.getUserId(), user));
+        return XaResult.success(users.put(user.getUserId(), user));
     }
 
     @ApiOperation("更新用户")
     @PutMapping("/update")
-    public AjaxResult update(@RequestBody UserEntity user)
+    public XaResult<UserEntity> update(@RequestBody UserEntity user)
     {
         if (StringUtils.isNull(user) || StringUtils.isNull(user.getUserId()))
         {
-            return error("用户ID不能为空");
+            return XaResult.error("用户ID不能为空");
         }
         if (users.isEmpty() || !users.containsKey(user.getUserId()))
         {
-            return error("用户不存在");
+            return XaResult.error("用户不存在");
         }
         users.remove(user.getUserId());
-        return AjaxResult.success(users.put(user.getUserId(), user));
+        return XaResult.success(users.put(user.getUserId(), user));
     }
 
     @ApiOperation("删除用户信息")
     @ApiImplicitParam(name = "userId", value = "用户ID", required = true, dataType = "int", paramType = "path")
     @DeleteMapping("/{userId}")
-    public AjaxResult delete(@PathVariable Integer userId)
+    public XaResult<UserEntity> delete(@PathVariable Integer userId)
     {
         if (!users.isEmpty() && users.containsKey(userId))
         {
             users.remove(userId);
-            return success();
+            return XaResult.success();
         }
         else
         {
-            return error("用户不存在");
+            return XaResult.error("用户不存在");
         }
     }
 }

ruoyi-common/src/main/java/com/ruoyi/common/core/domain/XaResult.java

@@ -0,0 +1,129 @@
+package com.ruoyi.common.core.domain;
+
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+
+import java.util.ArrayList;
+
+/**
+ * @author eason.zt
+ * @version V1.0
+ * @Title: XaResult.java
+ * @Package com.web.hhrz.base.kuadi100
+ * @Description: Service返回结果统一对象
+ * @date 2014年8月13日 下午7:46:23
+ * @update 2021年7月19号
+ * @updateBy 哦是吗
+ */
+@ApiModel
+@SuppressWarnings("unchecked")
+public class XaResult<T> {
+
+    @ApiModelProperty(value = "code : 返回代码，0表示OK，其它的都有对应问题",position = 1)
+    private int code = 0;
+
+    @ApiModelProperty(value = "msg : 如果code!=0,错误信息",position = 2)
+    private String msg;
+
+    @ApiModelProperty(value = "如果code!=0,message的补充信息",position = 3)
+    private Object exception;
+
+    @ApiModelProperty(value = "code为0时返回结果集",position = 4)
+    private T data;
+
+    public int getCode() {
+        return code;
+    }
+
+    public void setCode(int code) {
+        this.code = code;
+    }
+
+    public String getMsg() {
+        return msg;
+    }
+
+    public void setMsg(String msg) {
+        this.msg = msg;
+    }
+
+    public Object getException() {
+        return exception;
+    }
+
+    public void setException(Object exception) {
+        this.exception = exception;
+    }
+
+    public T getData() {
+        return data;
+    }
+
+
+    public XaResult<T> setData(T data) {
+        this.data = data;
+        return this;
+    }
+
+    public XaResult(String errorMsg) {
+        this.msg = errorMsg;
+        this.code = 500;
+        this.data = (T) new Object();
+    }
+
+    public XaResult(String errorMsg, int code) {
+        this.msg = errorMsg;
+        this.code = code;
+        this.data = (T) new Object();
+    }
+
+    public XaResult(T data) {
+        this.data = data;
+    }
+
+    public XaResult() {
+        this.data = (T) new Object();
+    }
+
+    public static <T> XaResult<T> success(T object) {
+        XaResult<T> xaResult = new XaResult<>();
+        xaResult.setCode(0);
+        xaResult.setMsg("success");
+        xaResult.setData(object);
+        return xaResult;
+    }
+
+    public static <T> XaResult<T> success() {
+        XaResult<T> xaResult = new XaResult<>();
+        xaResult.setCode(0);
+        xaResult.setMsg("success");
+        xaResult.setData(null);
+        return xaResult;
+    }
+
+    public static <T> XaResult<T> error(String msg, T object) {
+        XaResult<T> xaResult = new XaResult<>();
+        xaResult.setCode(500);
+        xaResult.setMsg(msg);
+        xaResult.setData(object);
+        return xaResult;
+    }
+
+
+    public static <T> XaResult<T> error(String msg) {
+        XaResult<T> xaResult = new XaResult<>();
+        xaResult.setCode(500);
+        xaResult.setMsg(msg);
+        xaResult.setData(null);
+        return xaResult;
+    }
+
+
+    public static <T> XaResult<T> error() {
+        XaResult<T> xaResult = new XaResult<>();
+        xaResult.setCode(500);
+        xaResult.setMsg("未知异常，请联系管理员");
+        xaResult.setData(null);
+        return xaResult;
+    }
+}