jsp的post异步请求 jspxmlhttprequestjavascript异步json 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 ajax不能上传文件f12调试下看有没有错误返回json格式是否正确?http://www.w3school.com.cn/tiy/t.asp?f=ajax_post2 我改了一下··变成这样·还是有问题··问下什么地方错了·cid=000bb036d6184b0ca7c38c3bcd7b86b0<%@ page language="java" import="java.util.*" pageEncoding="gb2312"%><% String newsId=request.getParameter("cid"); %><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html> <head> <script type="text/javascript">function chuFa() { //html元素事件触发的函数 var myXMLHttpRequest = null; if (window.ActiveXObject) { myXMLHttpRequest = new ActiveXObject("Microsoft.XMLHTTP"); } else { myXMLHttpRequest = new XMLHttpRequest(); } var url = "http://121.42.43.44:80/bar/serv/pullContent?cid="+newsId; myXMLHttpRequest.open("get", url, true); myXMLHttpRequest.setRequestHeader("Content-Type","application/x-www-form-urlencoded"); myXMLHttpRequest.send(null); myXMLHttpRequest.onreadystatechange = function(){ if (myXMLHttpRequest.readyState == 4 && myXMLHttpRequest.status == 200) { var res = myXMLHttpRequest.responseText; var jsonObj = eval("("+res+")"); alert(jsonObj.result); document.getElementById("sid").value=json.result; } } }</script> </head> <body> <input type = "button" name= "nbutton" value="获得消息" onclick="chuFa()"> </body></html> var url = "http://121.42.43.44:80/bar/serv/pullContent?cid=<%=newsId%>”; 求助TEXT验证是否为空 关于web打印的页面缩放问题 Jquery在IE下酒出现 如何将-moz-opacity放入jquery中的 json数据 【javascript】【css】请高手解析下这段 经典二级菜单 用Javascript筛选客户端数据 将变量转变为JS对象的问题,急求解!!!在线等待 多行文本框中插入字符号串的问题! 使复选框无效时出现了点问题......(59分) js原型中一个奇怪的问题 jquery easy ui 与skyline AttachEvent的兼容问题 求教关于ckeditor编辑器段落间隔的问题
f12调试下看有没有错误
返回json格式是否正确?
http://www.w3school.com.cn/tiy/t.asp?f=ajax_post2
<%@ page language="java" import="java.util.*" pageEncoding="gb2312"%><%
String newsId=request.getParameter("cid");
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<script type="text/javascript">
function chuFa() { //html元素事件触发的函数
var myXMLHttpRequest = null;
if (window.ActiveXObject) {
myXMLHttpRequest = new ActiveXObject("Microsoft.XMLHTTP");
} else {
myXMLHttpRequest = new XMLHttpRequest();
}
var url = "http://121.42.43.44:80/bar/serv/pullContent?cid="+newsId;
myXMLHttpRequest.open("get", url, true);
myXMLHttpRequest.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
myXMLHttpRequest.send(null);
myXMLHttpRequest.onreadystatechange = function(){
if (myXMLHttpRequest.readyState == 4 && myXMLHttpRequest.status == 200) {
var res = myXMLHttpRequest.responseText;
var jsonObj = eval("("+res+")");
alert(jsonObj.result);
document.getElementById("sid").value=json.result;
}
}
}
</script>
</head>
<body>
<input type = "button" name= "nbutton" value="获得消息" onclick="chuFa()">
</body>
</html>
var url = "http://121.42.43.44:80/bar/serv/pullContent?cid=<%=newsId%>”;