Network.js
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var Common = require('Common');
cc.Class({
extends: cc.Component,
properties: {
},
// use this for initialization
onLoad: function () {
},
statics: {
//_count: 0,
/*
var txt = document.getElementById('txt');
//1.创建XMLHttpRequest对象
var xhr = null;
if(window.XMLHttpRequest) {
xhr = new XMLHttpRequest();
}else {
xhr = new ActiveXObject('Microsoft.XMLHTTP');
}
//2.打开与服务器的链接
xhr.open('get',url,false);
//3.发送给服务器
xhr.send(null);
//4.响应就绪（同步请求）
var json = JSON.parse(xhr.responseText);
txt.innerHTML = json;
cc.log('其他程序');
*/
//ajax请求函数
ajax: function (strMethod, strURL, astrContentType, oDataOrPostBody, onSuccess, onError, oScope, oAdditionalData) {
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() {
if (xlr.readyState == 4) {// 4 = "loaded"
if (xlr.status == 200) {// 200 = OK
if (null != oScope) {
onSuccess.call(oScope, xlr.responseText, oAdditionalData);
} else {
onSuccess(xlr.responseText, oAdditionalData);
}
} else {
if (null != oScope) {
onError.call(oScope, xlr.responseText, oAdditionalData);
} else {
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;
xlr.open(strMethod, strURL, true);
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;
}
},
loadImageInJSRuntime: function (strURL, onSuccess, onError, oScope) {
cc.loader.load(
{
url: strURL,
isCrossOrigin: false,
type: 'jpg' //防止跨域问题
},
function (err, texture) {
if (!err) {
if (null != oScope) {
onSuccess.call(oScope, texture);
} else {
onSuccess(texture);
}
} else {
if (null != oScope) {
onError.call(oScope, err);
} else {
onError(err);
}
}
}
);
},
loadImageInNativeRuntime: function (strURL, onSuccess, onError, oScope, node, strAnimationTag) {//留个钩子以便为图片加载做动画
let flag = false;
//这里使用cc.director.once而不是cc.director.on避免多次累加注册
cc.director.once('stop_render', function (event) { //注册并监听事件
cc.log("Network(diapatchEvent)-------------------------->");
flag = true;
});
try {
cc.loader.load(strURL, function (err, texture) {
if (null != oScope) {
// let flag = false;
// if (Common.g_strCurrentSceneName && cc.director.getScene() && Common.g_strCurrentSceneName == cc.director.getScene().name) {
// flag = true;
// }
if (!flag) {//如果已经切换场景就不做下面这件事情
try {
onSuccess.call(oScope, texture);
} catch (err) {
cc.log(err);
}
}
} else {
onSuccess(texture);
}
// cc.log('Should load a texture from external url: ' + (texture instanceof cc.Texture2D));
});
} catch (err) {
cc.log(err);
}
},
},
// called every frame, uncomment this function to activate update callback
// update: function (dt) {
// },
});