日期:2014-05-16 浏览次数:20426 次
页面如下:
核心源码如下:
suggest.jsp
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> <% String path = request.getContextPath(); String basePath = request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort() + path + "/"; %> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <base href="<%=basePath%>"> <title>My JSP 'suggest.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"> <!-- <link rel="stylesheet" type="text/css" href="styles.css"> --> <script type="text/javascript" src="${ pageContext.request.contextPath}/js/jquery-1.9.1.js"> </script> <script type="text/javascript" src="${ pageContext.request.contextPath}/js/suggest.js"> </script> <style type="text/css"> .s_ipt { width: 405px; height: 30px; font: 16px/ 22px arial; margin: 5px 0 0 7px; background: #fff; outline: 0; -webkit-appearance: none; } .s_wds { width: 405px; height: 200px; font: 16px/ 22px arial; background: #fff; display: none; } </style> </head> <body> <div align="center"> <h2>jQuery中googlesuggest的实现</h2><hr/> <div> <input type="text" id="keyword" class="s_ipt" /> <input type="button" value="百度一下" /> </div> <div> <select id="words" multiple="multiple" size="10" class="s_wds"></select> </div> </div> </body> </html>
$(document).ready(function() { // 给input输入框注册 keyup事件 $("#keyword").bind("keyup", function() { $("#words").show(); // 获取收入的值 var keyVal = $(this).val(); if ("" == keyVal) { // 清空 $("#words").empty().hide();// 对象链式操作 return; } // 发送ajax请求 $.post("./csdn/UserAction_keyVals.action?time=" + new Date().getTime(), { keyword : keyVal }, function(data) { // 清空 $("#words").empty(); // 获取所有的相关的数据 var jsonusers = data.users; // 遍历数组 for (var i = 0; i < jsonusers.length; i++) { // 得到具体的user对象 var jsonuser = jsonusers[i]; // 创建option var $optu = $("<option></option>"); // 设置文本 $optu.text(jsonuser.name); // 把创建的option添加到select中 $("#words").append($optu).show(); } }, "json"); }); $("#words").bind("dblclick", function() { $("#keyword").val($(this).val()); $("#words").empty().hide(); }); $("#words").bind("keyup", function(event) { var key = event.which; if (key == 13) { $("#keyword").val($(this).val()); $("#words").empty().hide(); } }); });
User.java
package www.csdn.project.domain; public class User { private String n