JsonUtils 工具类

package com.mayikt.main.utils;

import com.alibaba.fastjson2.JSONObject;
import lombok.SneakyThrows;

import javax.servlet.http.HttpServletResponse;
import java.io.PrintWriter;

public class ResultJsonUtils {
    public static void setResultOk(HttpServletResponse response, String msg) {
        setResult(response, 200, msg, null);

    }

    public static void setResultError(HttpServletResponse response, String errMsg) {
        setResult(response, 500, errMsg, null);

    }

    @SneakyThrows
    public static void setResult(HttpServletResponse response, Integer code, String msg, JSONObject data) {
        response.setCharacterEncoding("UTF-8");
        response.setContentType("application/json;charset=utf-8");
        JSONObject result = new JSONObject();
        result.put("code", code);
        result.put("msg", msg);
        if (data!= null) {
            result.put("data", data);
        }

        PrintWriter writer = response.getWriter();
        writer.println(result.toJSONString());
        writer.close();

    }

}