ajax_functions.js

来自「AR9001.rar ZUOM AR9001.rar」· JavaScript 代码 · 共 47 行

//创建对象
function create_obj(){
    var http_request = false;

    //开始初始化XMLHttpRequest对象
    if(window.XMLHttpRequest) { //Mozilla 浏览器
        http_request = new XMLHttpRequest();
        if (http_request.overrideMimeType) {//设置MiME类别
            http_request.overrideMimeType("text/xml");
        }
    }
    else if (window.ActiveXObject) { // IE浏览器
        try {
            http_request = new ActiveXObject("Msxml2.XMLHTTP");
        } catch (e) {
            try {
                http_request = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (e) {}
        }
    }

    if (!http_request) { // 异常，创建对象实例失败
        return false;
    }

    return http_request;
}
function send_request(http_request,url,postStr) {
    // 确定发送请求的方式和URL以及是否同步执行下段代码
    http_request.open("POST", url, true);
    http_request.setRequestHeader("Content-Type","application/x-www-form-urlencoded"); 
    http_request.send(postStr);
}
function delete_content(param,level){
    var http_request = create_obj();
    http_request.onreadystatechange = function (){
        if (http_request.readyState == 4) {
            if (http_request.status == 200) {
                alert(http_request.responseText);
                document.getElementById("postmessage_"+level).innerHTML=http_request.responseText;
            } else {
                alert("您所请求的页面有异常。");
            }
        }
    }
    send_request(http_request,"http://group.zol.com.cn/tips/del_content.ajax.php",param);
}