微信小游戏：加载微信图片

load_picture_async(imgurl,temp){
        return new Promise((resolve,reject) => {
            var self = this;
            cc.loader.load(imgurl, function(err, texture){   
              self.node.getChildByName('image').getComponent(cc.Sprite).spriteFrame = new cc.SpriteFrame(texture);

                resolve('ok')
            });
        })
    }

批量加载微信图片