package com.lxzn.framework.utils;

import com.fasterxml.jackson.databind.ObjectMapper;
import lombok.extern.slf4j.Slf4j;

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

/**
 * @Description:
 * @Author: zhangherong
 * @Date: Created in 2021/6/17 17:06
 * @Version: 1.0
 * @Modified By:
 */
@Slf4j
public class ResponseUtil {
    /**
     * 响应json数据给前端
     *
     * @param response
     * @param obj
     */
    public static void sendJsonMessage(HttpServletResponse response, Object obj) {

        ObjectMapper objectMapper = new ObjectMapper();
        response.setContentType("application/json; charset=utf-8");

        try (PrintWriter writer = response.getWriter()) {
            writer.print(objectMapper.writeValueAsString(obj));
            response.flushBuffer();
        } catch (IOException e) {
            log.warn("响应json数据给前端异常:{}",e);
        }


    }
}