思路:在一个数组中,随机选取某一个字符串,打印到页面中关键js /** * 随机生成文本 */ txt_title(){ var that =this; var say; var says = [‘送您一份知识大礼包,请查收’,‘送您一份小礼物,请查收’]; var ran = Math.floor(Math.random() * says.length); say = says[ran]; that.setData({ nick_title: say, }) console.log(say); //可能出现的结果是: 1、送您一份知识大礼包,请查收,2送您一份小礼物,请查收 },