vue全家桶-v-for报错Elements in iteration expect to have 'v-bind:key' directives vue/require-v-for-key

遍历的时候莫名其妙报错：Elements in iteration expect to have 'v-bind:key' directives  vue/require-v-for-key

解决办法：需要给出for的key，参见如下写法

<li v-for="(item, index) in list" :key="index">
          {{item}}