Struts2 AJAX --- return返回值疑问。。
使用AJAX之后~ 异步获取数据
Struts2 Action配置
@Action(value="isexsit",results=@Result(location="/WEB-INF/page/user/checkuser.jsp")) public String isExsit(){ exsit = buyerService.exsit(buyer.getUsername().trim()) == true ? 1 : 0; return SUCCESS; }<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%><%@ include file="/WEB-INF/page/share/taglib.jsp" %><% response.setHeader("Cache-Control", "no-store"); //HTTP1.1response.setHeader("Pragma", "no-cache"); //HTTP1.0response.setDateHeader("Expires", 0);%><s:if test="exsit"> <font color="red">red:<s:property value="exsit"/></font></s:if><s:else> <font color="green">green:<s:property value="exsit"/></font></s:else>