TA的每日心情 | 开心 2021-3-12 23:18 |
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签到天数: 2 天 [LV.1]初来乍到
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一、发送请求的HTML文件
<html><head><title>ajax+jsp域名查询</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<script language="javascript">
- var XMLHttpReq;
- //创建XMLHttpRequest对象
- function createXMLHttpRequest() {
-
- if(window.XMLHttpRequest) { //Mozilla 浏览器
- XMLHttpReq = new XMLHttpRequest();
- }
- else if (window.ActiveXObject) { // IE浏览器
- try {
- XMLHttpReq = new ActiveXObject("Msxml2.XMLHTTP");
- } catch (e) {
- try {
- XMLHttpReq = new ActiveXObject("Microsoft.XMLHTTP");
- } catch (e) {}
- }
- }
- }
- //发送请求函数
- function sendRequest() {
- document.getElementById("comments").innerHTML ="正在查询,请您稍等......";
- createXMLHttpRequest();
- var name=document.getElementById("words").value;
- var url = "domainQuery1.jsp?words="+name;
- XMLHttpReq.open("GET", url, true);
- XMLHttpReq.onreadystatechange = processResponse;//指定响应函数
- XMLHttpReq.send(null); // 发送请求
- }
- // 处理返回信息函数
- function processResponse() {
- if (XMLHttpReq.readyState == 4) { // 判断对象状态
- if (XMLHttpReq.status == 200) { // 信息已经成功返回,开始处理信息
- Display();
- } else { //页面不正常
- window.alert("您所请求的页面有异常。");
- }
- }
- }
- function Display() {
- var msg=XMLHttpReq.responseText;
- document.getElementById("comments").value=msg;
- }
- </script>
- </head>
复制代码 <body bgColor=#cccca3> 请输入域名名称:<input type="text" value="cctv.com" id="words" name="words" size="69"> <input type="submit" value="查询" id=Submit1 name=Submit1 onClick="sendRequest() "> <TEXTAREA id="comments" name="comments" readonly rows=15 cols=76></TEXTAREA> </body></html> 二、处理ajax请求的jsp文件: domainQuery1.jsp
<%@ page import="java.io.*" %>
<%@ page import="java.util.*" %> <%@ page import="java.net.HttpURLConnection" %>
<%@ page import="java.net.URL" %>
<%@ page import="org.jdom.Document" %>
<%@ page import="org.jdom.Element" %>
<%@ page import="org.jdom.input.*" %> <%@ page contentType="text/html; charset=gb2312" %>
<%
- //设置输出信息的格式及字符集
- response.setContentType("text/html; charset=gb2312");
- response.setHeader("Cache-Control","no-cache");
- String param =request.getParameter("words");
- String domainmsg=null;
- URL url = null;
- BufferedReader in = null;
- InputStreamReader isr = null;
- InputStream is = null;
- HttpURLConnection huc = null;
- try
- {
- url = new URL("http://now.net.cn/domain/domaincheck.php?query="+param);
- huc = (HttpURLConnection)url.openConnection();
-
- is = huc.getInputStream();
- isr = new InputStreamReader(is);
- in = new BufferedReader(isr);
- String line = null;
- StringBuffer s = new StringBuffer(333);
- while((line = in.readLine()) != null) {
- line=line.trim();
- s.append(line);
- }
- domainmsg=s.toString();
- SAXBuilder builder = new SAXBuilder();
- Document doc = null;
- Reader in1= new StringReader(domainmsg);
- doc = builder.build(in1);
- Element root = doc.getRootElement();
-
- String ss=root.getChild("result").getChildText("msg");
- out.print(ss);
- }catch(Exception e){
- e.printStackTrace();
- }
- finally
- {
- try
- {
- huc.disconnect();
- is.close();
- isr.close();
- in.close();
- }
- catch(Exception e)
- {
- e.printStackTrace();
- }
- }
- out.close();
- %>
复制代码
源码下载:http://file.javaxxz.com/2014/10/13/035249046.zip |
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