Network.js
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var Common = require('Common');
cc.Class({
extends: cc.Component,
properties: {
// foo: {
// default: null, // The default value will be used only when the component attaching
// to a node for the first time
// url: cc.Texture2D, // optional, default is typeof default
// serializable: true, // optional, default is true
// visible: true, // optional, default is true
// displayName: 'Foo', // optional
// readonly: false, // optional, default is false
// },
// ...
},
// 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) {
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, 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;
}
}catch(err){
oScope._cLog.screenI("Network.ajax error==>"+err+"\r\n");
}
},
loadImageInJSRuntime: function(strURL,iRequestId,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,iRequestId);
}else{
onSuccess(texture);
}
} else {
if(null!=oScope){
onError&&onError.call(oScope,err,iRequestId);
}else{
onError&&onError(err);
}
}
}
);
},
loadImageInNativeRuntime: function(strURL,iRequestId,onSuccess,onError,oScope,iImageRenderBatchNo){//留个钩子以便为图片加载做动画
try{
if(Common.g_oRomoteURLTexture[strURL]){
if(oScope){
onSuccess.call(oScope,Common.g_oRomoteURLTexture[strURL],iRequestId);
}else{
cc.log("无oScope");
}
}
let bLoaded = false;
cc.loader.load(strURL, Common.timeoutify(function (err, texture) {
if(!err){
texture._uuid = strURL;
//Common.g_oTextureInUsage[strURL] = texture;
if(null!=oScope){
let flag = false;
if(Common.g_strCurrentSceneName&&cc.director.getScene()&&Common.g_strCurrentSceneName == cc.director.getScene().name){
flag = true;
}
if(iImageRenderBatchNo&&iImageRenderBatchNo!=Common.g_iImageRenderBatchNo){
cc.log("Info:"+"渲染批次改变，不再继续渲染");
if (cc.sys.isNative){
jsb.reflection.callStaticMethod("org/cocos2dx/javascript/AppActivity", "logInSceneI", "(Ljava/lang/String;)V","渲染批次改变，不再继续渲染");
}
flag = false;
}
if(flag){//如果已经切换场景就不做下面这件事情
try{
onSuccess.call(oScope,texture,iRequestId);
Common.g_oRomoteURLTexture[strURL] = texture;
}catch(err){
cc.log(err);
}
}else{
cc.loader.release(texture);
cc.log("情况有变，停止请求");
}
}else{
cc.loader.release(texture);
onSuccess(texture);
}
//cc.log('Should load a texture from external url: ' + (texture instanceof cc.Texture2D));
}else{
//cc.loader.release(texture);
if(null!=oScope){
onError&&onError.call(oScope,texture,iRequestId);
}else{
onError&&onError(texture);
}
}
bLoaded = true;
},6,function () {
if(bLoaded){
return;
}
bLoaded = false;
if(null!=oScope){
onError&&onError.call(oScope,null,iRequestId);
if (cc.sys.isNative){
// jsb.reflection.callStaticMethod("org/cocos2dx/javascript/AppActivity", "logInSceneI", "(Ljava/lang/String;)V","超时不再渲染"); //日志输入频繁 fix jerry
}
}else{
onError&&onError(texture);
}
},oScope,strURL));
}catch(err){
cc.log(err);
}
},
},
// called every frame, uncomment this function to activate update callback
// update: function (dt) {
// },
});