CCNetwork.js
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var Common = require('Common');
var Network = require('Network');
/**
* xlr.open(strMethod, strURL, false);
* 将这里的异步请求改为同步请求
* 谨慎使用同步方法，已经被官方废弃，影响用户体验
*/
cc.Class({
extends: cc.Component,
statics: {
//ajax请求函数
ajax: function (strMethod, strURL, astrContentType, oDataOrPostBody, onSuccess, onError, oScope, oAdditionalData) {
try {
var xlr = null;
var oResult = {};
if (window.XMLHttpRequest) {// code for IE7, Firefox, Opera, etc.
xlr = new XMLHttpRequest(); //Log.info('XMLHttpRequest');
} else if (window.ActiveXObject) {// code for IE6, IE5
xlr = new ActiveXObject("Microsoft.XMLHTTP"); //Log.info('ActiveXObject');
}
if (!xlr) {
cc.log("Your browser does not support XMLHTTP, using iframe instead..");
//退化到使用iframe 在cocos中无用 //这里两个函数名需要字符串输入
//iframeRequest(strMethod, strURL, astrContentType, oDataOrPostBody, onSuccess, onError, oAdditionalData)
return;
}
function onStateChange() {
// oScope._cLog.screenI("Network.ajax==>"+xlr.readyState+"\r\n");
// oScope._cLog.screenI("Network.ajax==>"+xlr.status+"\r\n");
if (xlr.readyState == 4) {// 4 = "loaded"
if (xlr.status == 200) {// 200 = OK
if (null != oScope) {
onSuccess && onSuccess.call(oScope, xlr.responseText, oAdditionalData);
} else {
onSuccess && onSuccess(xlr.responseText, oAdditionalData);
}
} else {
if (null != oScope) {
onError && onError.call(oScope, xlr.responseText, oAdditionalData);
} else {
onError && onError(xlr.responseText, oAdditionalData);
}
}
xlr = null;
}
}
strMethod = strMethod.toUpperCase();
var strDataOrPostBody = '';
if (strMethod == "GET") {
//以下这段可使用正则表达式改造
if (oDataOrPostBody) {
if (strURL.indexOf('?') > 0) { //有问号
if (strURL.indexOf('=') > strURL.indexOf('?') //并且有等号在问号右边
&& strURL.lastIndexOf('&') != strURL.length - 1) //最后一个不是&
{
strURL = strURL.concat('&');
} else { //光有问号没等号
cc.log('Unavailable Request URL!');
return;
}
} else {//没问号
strURL = strURL.concat('?');
}
if (typeof oDataOrPostBody == "string") {
strDataOrPostBody = oDataOrPostBody;
} else if (oDataOrPostBody instanceof Object) {
for (var key in oDataOrPostBody) {
strDataOrPostBody = strDataOrPostBody.concat(key).concat('=').concat(oDataOrPostBody[key]).concat('&');
}
strDataOrPostBody = strDataOrPostBody.substring(0, strDataOrPostBody.length - 1);
//strDataOrPostBody.TrimEnd('&');
} else {
cc.log('Unavailable Parameters!');
return;
}
}
strURL = strURL.concat(strDataOrPostBody);
}
xlr.onreadystatechange = onStateChange;
// oScope._cLog.screenI("Network.ajax==>"+strMethod+"\r\n");
// oScope._cLog.screenI("Network.ajax==>"+strURL+"\r\n");
xlr.open(strMethod, strURL, false);
var isWWWFormURLEncoded = false;
if (astrContentType) {
for (var i = 0; i < astrContentType.length; i++) {
xlr.setRequestHeader('Content-type', astrContentType[i]);
if (astrContentType[i] == 'application/x-www-form-urlencoded') {
isWWWFormURLEncoded = true;
break;
}
}
}
//xlr.setRequestHeader('Connection', 'close');
switch (strMethod) {
case 'GET':
xlr.send(null);
break;
case 'POST':
if (isWWWFormURLEncoded) {
}
if (oDataOrPostBody) {
/*
if (isWWWFormURLEncoded) {
var fd=new FormData();
if (typeof oDataOrPostBody == "string") {
strDataOrPostBody = oDataOrPostBody;
var aParameters1=oDataOrPostBody.split('&');
for (var i=0;i<aParameters1.length;i++){
var aPairs1=aParameters1.split('=');
if (aPairs1[0] && aPairs1[1]){
fd.append(aPairs1[0],aPairs1[1]);
}
}
} else if (oDataOrPostBody instanceof Object) {
for (var key in oDataOrPostBody) {
fd.append(key,oDataOrPostBody[key]);
}
//strDataOrPostBody.TrimEnd('&');
//strDataOrPostBody = strDataOrPostBody.substring(0, strDataOrPostBody.length - 1);
} else {
console.log("Unavailable Parameters!");
return
}
xlr.send(fd);
}else{*/
if (typeof oDataOrPostBody == "string") {
strDataOrPostBody = oDataOrPostBody;
} else if (oDataOrPostBody instanceof Object) {
for (var key in oDataOrPostBody) {
strDataOrPostBody = strDataOrPostBody.concat(key).concat('=').concat(oDataOrPostBody[key]).concat('&');
}
//strDataOrPostBody.TrimEnd('&');
strDataOrPostBody = strDataOrPostBody.substring(0, strDataOrPostBody.length - 1);
} else {
oResult.businessCode = 'success';
oResult.description = 'Unavailable Parameters!';
return oResult;
}
xlr.send(strDataOrPostBody);
//}
} else {
xlr.send(null);
}
break;
}
} catch (err) {
oScope._cLog.screenI("Network.ajax error==>" + err + "\r\n");
}
},
},
// called every frame, uncomment this function to activate update callback
// update: function (dt) {
// },
});