Ajax請求返回一個頁面,實現頁面區域性重新整理
阿新 • • 發佈:2018-12-24
本文實現Ajax的區域性重新整理。思路如下:
首先,從JSP頁面A.jsp向服務端發起一個Ajax請求,由Action中方法MethodA處理,該MethodA方法進行資料組裝後,返回一個jsp頁面Result.jsp,然後在Ajax的返回結果中,將Result.jsp元素,渲染到A.jsp中。
如圖:
A.jsp:
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %> <!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>TEST</title> <script type="text/javascript" src="/end/js/jquery-1.7.1.js"></script> <script type="text/javascript"> $(function() { $("#search").click(function() { $.ajax({ type : 'post', async : true, url : '/end/app/offlinerepay/offlineRepay.shtml?orderId=' + $("#orderId").val(), cache : false, success : function(data) { $("#id_ul").remove(); $("#id_total").empty(); $("#id_right").empty(); $("#id_left").prepend($(data).find("#id_ul")); $("#id_total").append($(data).find("#id_total")); $("#id_right").append($(data).find("#id_form")); } }); }); }) </script> </head> <body> <div class="container"> <div class="container-top" id="queryDiv"> <div class="search"> <input type="text" placeholder="輸入訂單號" id="orderId"> <button id="search">Search</button> </div> </div> <div id="id_left" class="container-left"> <div class="total" id="id_total"></div> </div> <div id="id_right" class="container-right"></div> </div> </body> </html>
Action類:
public class TestAction extends ActionSupport { private static final long serialVersionUID = -2577849709861478091L; private OrderService orderService; public String toOfflineRepay(){ return SUCCESS; } public String offlineRepay() throws Exception{ HttpServletRequest request = ServletActionContext.getRequest(); List<Order> osps = null; request.setAttribute("osps", osps); return SUCCESS; } }
Result.jsp:
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%> <div class="container-left" id="id_left"> <ul id="id_ul"> <c:forEach items="${osps}" var="item" varStatus="status"> <li>${status.index} </li> </c:forEach> </ul> <div class="total" id="id_total"> <p> <span><b id="totalMoney">123</b></span> </p> </div> </div> <div class="container-right" id="id_right"> <form action="/aa/success.action" method="post" id="id_form"> <input type="hidden" id="orderId" name="orderId" value="${orderId}"/> <p> <button type="submit" onclick="javascript:submitForm();">確認</button> </p> </form> </div>
struts配置:
<package name="offlinerepay" extends="struts-base" namespace="/end/app/offlinerepay">
<action name="offlineRepay" class="offlineRepayAction" method="offlineRepay">
<result name="success">/WEB-INF/end/app/offlinerepay/result.jsp</result>
</action>
</package>
這樣實現Ajax,好處多多,能夠實現區域性重新整理頁面。
這種方式是用於:請求頁面大部分重新整理,返回內容較多的情況。