package com.hx.util;
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import java.io.IOException;
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import java.io.PrintWriter;
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import javax.servlet.http.HttpServletResponse;
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import org.springframework.web.context.request.RequestContextHolder;
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import org.springframework.web.context.request.ServletRequestAttributes;
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import com.alibaba.fastjson.JSONObject;
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/**
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*
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* @author lijietian
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*
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*/
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public class WebUtil {
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/**
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* 返回数据给前端的方法
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*
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* @param msg 返回数据
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*
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*/
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public static void AJAXdata(String msg) {
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ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
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HttpServletResponse response = attributes.getResponse();
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response.setContentType("text/plain");// 文本
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response.setHeader("Cache-Control", "no-store");
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response.setCharacterEncoding("utf-8");
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try {
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PrintWriter pw = response.getWriter();
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pw.write(msg);
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pw.flush();
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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/**
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* 组成统一的格式
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*
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*/
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public static String AJAXMsg(Integer status,String errorMsg,JSONObject obj) {
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JSONObject info = new JSONObject();
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info.put("status", status);
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info.put("errorMsg", errorMsg);
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info.put("datas", obj);
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return info.toJSONString();
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}
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}
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