/**
 * Created by wqc on 2017/6/17 15:15
 */
var SERVER_IP="";
var SERVER_PRE_URL = SERVER_IP + ""; //项目URL

var baseUtile = {

    /* 封装ajax函数
     * @param {string}opt.type http连接的方式，包括POST和GET两种方式
     * @param {string}opt.url 发送请求的url
     * @param {boolean}opt.async 是否为异步请求，true为异步的，false为同步的
     * @param {object}opt.data 发送的参数，格式为对象类型
     * @param {function}opt.success ajax发送并接收成功调用的回调函数
     */
    httpsend:function(url,data,callbackfun) {
        var xmlHttp = null;
        if (XMLHttpRequest) {
            xmlHttp = new XMLHttpRequest();
        }
        else {
            xmlHttp = new ActiveXObject('Microsoft.XMLHTTP');
        }
        var params = [];
        for (var key in data) {
            params.push(key + '=' + data[key]);
        }
        var postData = params.join('&');

        xmlHttp.open('POST', SERVER_PRE_URL+url+'?ran='+getRandomNum(), true);
        xmlHttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded;charset=utf-8');
        xmlHttp.setRequestHeader("Access-Control-Allow-Origin", "*");
        xmlHttp.send(postData);
        /*if (opt.method.toUpperCase() === 'POST') {
         xmlHttp.open(opt.method, opt.url, opt.async);
         xmlHttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded;charset=utf-8');
         xmlHttp.send(postData);
         }
         else if (opt.method.toUpperCase() === 'GET') {
         xmlHttp.open('POST', SERVER_PRE_URL+url + '?' + postData, opt.async);
         xmlHttp.send(null);
         }*/
        xmlHttp.onreadystatechange = function () {
            if (xmlHttp.readyState == 4 && xmlHttp.status == 200) {
                callbackfun(JSON.parse(xmlHttp.responseText));
            }
        };
    }
}
function getRandomNum() {
    var x = 12;
    var y = 0;
    var rand = parseInt(Math.random() * (x - y + 1) + y);
    return rand;
}