cocos2d-x JS 富文本(为一段文本中的个别字体上颜色)

setWinText : function (levelStr1,levelStr2,levelStr3,color1,color2) {
        var imgRankingBG = this.container.getComponentByName("imgRankingBG",this.maskNode);

        var str1 = new ccui.RichElementText(11,color1,255,levelStr1,null,30);
        var str2 = new ccui.RichElementText(12,color2,255,levelStr2,null,30);
        var str3 = new ccui.RichElementText(13,color1,255,levelStr3,null,30);

        var rt = new ccui.RichText();
        rt.pushBackElement(str1);
        rt.pushBackElement(str2);
        rt.pushBackElement(str3);
        rt.setPosition(cc.p(241.74,204.64));
        rt.setContentSize(cc.size(275.03,30.00));
        imgRankingBG.addChild(rt);
    }