1. package com.lyd.springsecurity1.utils;
    3. import javax.servlet.http.HttpServletResponse;
    4. import java.io.IOException;
    6. public class WebUtils
    7. {
    8.     /**
    9.      * 将字符串渲染到客户端
    10.      * 
    11.      * @param response 渲染对象
    12.      * @param string 待渲染的字符串
    13.      * @return null
    14.      */
    15.     public static String renderString(HttpServletResponse response, String string) {
    16.         try
    17.         {
    18.             response.setStatus(200);
    19.             response.setContentType("application/json");
    20.             response.setCharacterEncoding("utf-8");
    21.             response.getWriter().print(string);
    22.         }
    23.         catch (IOException e)
    24.         {
    25.             e.printStackTrace();
    26.         }
    27.         return null;
    28.     }
    29. }