ajax传值例子,利用Ajax实现在脚本里传值实例介绍
页面脚本：
function ajaxSave(URLS) {
//定义一个变量用于存放XMLHttpRequest对象
var xmlhttp;
//定义一个变量用于存放 从服务器返回的响应结果
var responseContext = "";
if (window.XMLHttpRequest) {// code for IE7+,Firefox,Chrome,Opera,Safari
xmlhttp = new XMLHttpRequest();
} else {// code for IE6,IE5
xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
}
xmlhttp.onreadystatechange = function() {
if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
responseContext = xmlhttp.responseText;
alert(responseContext);
}
}
xmlhttp.open("POST",URLS,true);
xmlhttp.setRequestHeader("Content-Type",
"application/x-www-form-urlencoded");
xmlhttp.send();
}
Boolean boolean1;
String reponseText = "";
if(boolean1){
reponseText="保存成功！";
}
else{
reponseText="保存失败！";
}
HttpServletResponse response = ServletActionContext.getResponse();
response.setContentType("text/plain");
response.setCharacterEncoding("UTF-8");
PrintWriter out = response.getWriter();
out.println(reponseText);
out.flush();
out.close();
return null;
总结
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页面脚本： function ajaxSave(URLS) { //定义一个变量用于存放XMLHttpRequest对象 var xmlhttp; //定义一个变量用于存放 从服务器返回的响应结果 var responseContext = ""; if (window.XMLHttpRequest) {// code for IE7+,Firefox,Chrome,Opera,Safari xmlhttp = new XMLHttpRequest(); } else {// code for IE6,IE5 xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); } xmlhttp.onreadystatechange = function() { if (xmlhttp.readyState == 4 && xmlhttp.status == 200) { responseContext = xmlhttp.responseText; alert(responseContext); } } xmlhttp.open("POST",URLS,true); xmlhttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded"); xmlhttp.send(); } Boolean boolean1; String reponseText = ""; if(boolean1){ reponseText="保存成功！"; } else{ reponseText="保存失败！"; } HttpServletResponse response = ServletActionContext.getResponse(); response.setContentType("text/plain"); response.setCharacterEncoding("UTF-8"); PrintWriter out = response.getWriter(); out.println(reponseText); out.flush(); out.close(); return null; 总结 如果觉得编程之家网站内容还不错，欢迎将编程之家网站推荐给程序员好友。