Html工具类

 import java.io.IOException;
 import java.io.PrintWriter;

 import javax.servlet.http.HttpServletResponse;

 import net.sf.json.JSONException;

 public class HtmlUtil {

     /**
      *
      * <br>
      * <b>功能：</b>输出json格式<br>
      * @param response
      * @param jsonStr
      * @throws Exception
      */
     public static void writerJson(HttpServletResponse response,String jsonStr) {
             writer(response,jsonStr);
     }

     public static void writerJson(HttpServletResponse response,Object object){
             try {
                 response.setContentType("application/json");
                 writer(response,JsonTools.getJsonString(object));
             } catch (JSONException e) {
                 e.printStackTrace();
             }
     }

     /**
      *
      * <br>
      * <b>功能：</b>输出HTML代码<br>
      * @param response
      * @param htmlStr
      * @throws Exception
      */
     public static void writerHtml(HttpServletResponse response,String htmlStr) {
         writer(response,htmlStr);
     }

     private static void writer(HttpServletResponse response,String str){
         try {
             StringBuffer result = new StringBuffer();
             //设置页面不缓存
             response.setHeader("Pragma", "No-cache");
             response.setHeader("Cache-Control", "no-cache");
             response.setCharacterEncoding("UTF-8");
             PrintWriter out= null;
             out = response.getWriter();
             out.print(str);
             out.flush();
             out.close();
         } catch (IOException e) {
             e.printStackTrace();
         }
     }
 }