ajax 异步刷新实例
发布时间:2020-12-16 00:52:46 所属栏目:百科 来源:网络整理
导读:1 在网上下载jquery.js 2 写第一个jsp页面 index.jsp %@ page language="java" import="java.util.*" pageEncoding="GBK"%%System.out.println("进入调用页面");%!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"html head titleJSP 'index.j
1 在网上下载jquery.js 2 写第一个jsp页面 index.jsp <%@ page language="java" import="java.util.*" pageEncoding="GBK"%> <% System.out.println("进入调用页面"); %> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <title>JSP 'index.jsp' starting page</title> <meta http-equiv="pragma" content="no-cache"> <meta http-equiv="cache-control" content="no-cache"> <meta http-equiv="expires" content="0"> <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"> <meta http-equiv="description" content="This is my page"> <script type = "text/javascript" src = "jquery.js"></script> 加入jquery.js文件,否则不能识别js中的那些格式 <script type="text/javascript" src = "query.js"></script> </head> <body> This is my JSP pagess. <br> name:<input type = "text" id = "name" name = "name" value = "myname"/><br/> tel :<input type = "text" id = "tel" name = "tel" /><br/> <input type = "button" id = "queryok" name = "queryok" value = "query" onclic = "query()"/> </body> </html> query.js $(document).ready(function(){ $("#queryok").click(function() { var oldname = $("#name").val(); $.ajax({ type: "post",//请求方式 url: "query.jsp",//请求页面路径 async:false,// cache:false,data: //传过去的参数,可以通过request来取得 { getname:"queryname",gettel:"querytel" },dataType: "json",//请求页面返回的字符串结果类型 success:function(datatmp) //成功后,返回的结果存在datatmp变量中 { $("#name").val(datatmp.name); $("#tel").val(datatmp.tel); },error:function() { oldname = 'newsdd'; } }); }); }); query.jsp 被访问的页面 <%@ page language="java" import="java.util.*" pageEncoding="GBK"%> <% String myname = "wangdian"; String mytel = "123321"; String json = "{"name":"" + myname + ""," + ""tel":"" + mytel + ""}"; System.out.println("json:" + json); out.print(json); %>index.jsp 页面->query.js触发访问->query.jsp 得到结果并返回到query.js中->使用返回的结果来回写index.jsp页面数据 (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |