setRect 设置 SpriteFrame
creator 图片截取
SpriteFrame 类型

cc.loader.load(anim_img, function(err, texture){
    var allSpriteFrame = new cc.SpriteFrame(texture);
    allSpriteFrame.setRect(cc.rect(0,0,111,139));
    self.adSprite.spriteFrame = allSpriteFrame;
});

大图截取小图setRect

showGifAd(anim_json, anim_img){
    var self = this;
    // var anim_img = "https://wxmini-resource.xxx.com/images/gif/20180711/hdll2/movieclip/box_anim_tex.png";
    // var anim_json = "https://wxmini-resource.xxx.com/images/gif/20180711/hdll2/movieclip/box_anim_mc.json";
    // console.log('show gif', anim_json,anim_img);

    this.adSprite.node.stopAllActions();
    // 获取json
    var xhr = new XMLHttpRequest();
    xhr.onreadystatechange = function () {
        if (xhr.readyState == 4 && (xhr.status >= 200 && xhr.status < 400)) {
            var response = xhr.responseText;
            var resData = JSON.parse(response);
            console.log('adgif:', resData);

            let frameRate = resData.mc.box_anim.frameRate;
            let oneTime = 1/frameRate;
            // 解析json数据
            var arrDuration = [];
            var arrImgName = [];
            // 获取图片名字
            for (let index = 0; index < resData.mc.box_anim.frames.length; index++) {
                const oneFrame = resData.mc.box_anim.frames[index];
                arrImgName.push(oneFrame.res);
                arrDuration.push(oneFrame.duration);
            }
            // 获取rect
            var arrImgRect = [];
            for (let index = 0; index < arrImgName.length; index++) {
                const imgName = arrImgName[index];
                const grect = resData.res[imgName];
                const orect = cc.rect(grect.x, grect.y, grect.w, grect.h);
                arrImgRect.push(orect);
            }

            var curIndex = 0;
            // 获取整图
            cc.loader.load(anim_img, function(err, texture){
                var arrSpriteFrame = [];
                for (let index = 0; index < arrImgRect.length; index++) {
                    var oneSpriteFrame = new cc.SpriteFrame(texture);
                    oneSpriteFrame.setRect(arrImgRect[index]);
                    arrSpriteFrame.push(oneSpriteFrame);
                }
                // 创建动画
                var setFrame = function(){
                    self.adSprite.spriteFrame = arrSpriteFrame[curIndex];
                    self.adSprite.node.runAction( cc.sequence( cc.delayTime(arrDuration[curIndex]*oneTime), cc.callFunc(setFrame) ) );
                    curIndex += 1;
                    if(curIndex >= arrImgRect.length){
                        curIndex = 0;
                    }
                }
                setFrame();
            });
        }
    };
    xhr.open("GET", anim_json, true);
    xhr.send();
},