<view class="content"><view class="text-area"><button type="primary" @click="next()">点击下一条</button></view><view class="title">{{title}}</view>
</view>

<script>export default {data() {return {title: '',//设置变量num:0,index:0,//定义的数据numData: ['2021/7/20','今天是周二','天气多云转小雨','心情多云'],}},onLoad() {},methods: {//两种写法 仅供参考next(){this.index = this.num;//点击加1this.num++;//判断点击次数要是等于数据的长度 把num设置成0 在走num+1,就第一条数据重新开始if(this.index === this.numData.length - 1){this.num = 0;		this.title = this.numData[this.index] }else{this.title = this.numData[this.index] }}// next(){//     this.index = this.num;//     this.num++;//     if(this.index < this.numData.length){//     this.title = this.numData[this.index] //     }else{//      this.num = 1; //      this.title = this.numData[0] //     }//    }}}
</script>