cocos2d-js 获取网络图片cc.loader.loadImg

        1.获取网络图片var imgUrl = "http://www.cocos2d-x.org/images/logo.png";//图片地址        var self = this;       

var logoWidth = 150;
var logoHeight = 150;
cc.loader.loadImg(imgUrl, {isCrossOrigin : false }, function(err, img){
if(err == "load image failed")
{
}
else {
logoWidth = img.width;
logoHeight = img.height;
self._initStage(img, cc.p(0, 0));
}
});

_initStage:function(img, centerPos){var texture2d =new cc.Texture2D();texture2d.initWithElement(img);texture2d.handleLoadedTexture();var logo = new cc.Sprite(texture2d);logo.x = centerPos.x;logo.y = centerPos.y;logo.setTextureRect(cc.rect(0,0,150,150))this.addChild(logo);},

2.关于canvas绘图模糊问题及解决办法参照这篇文章：http://www.cocoachina.com/bbs/read.php?tid-280565-keyword-%C4%A3%BA%FD.html