SpringMVC 封装返回结果对象

 /***

*请求返回的最外层对象

**/

public class Result<T>{

        /*错误码*/

        private Integer code;

        /*提示信息*/

        private String msg;

        /*具体的内容*/

        private T 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 T getData() {


return data;


}


public void setData(T data) {


this.data = data;


}


}

 

/***返回对象工具类***/

public class ResultUtil {


public static Result success(Object object) {


Result result = new Result();


result.setCode(0);


result.setMsg("成功");


result.setData(object);


return result;


}


public static Result success() {


return success(null);


}


public static Result error(Integer code, String msg) {


Result result = new Result();


result.setCode(code);


result.setMsg(msg);


result.setData(object);


return result;


}


}

 

 /**给前台返回JSON数据**/

 public class ExceptionHandle{

@ExceptionHandler(value=Exception.class)


@ResponseBody


public Result handle(Exception e){

return ResultUtil.error(100,e.getMessage());


}


}

 

/***

*继承RuntimeException事务自动回滚

***/

    public　class GirlException extends RuntimeException{

private Integer code;


public GirlException(Integer code,String message){


super(message);


this.code = code;


}


public Integer getCode() {


return code;


}


public void setCode(Integer code) {


this.code = code;


}


}