img的加载失败后展示默认图片（原生+vue）

<img src="图片地址" onerror="onerror=null;src='/resource/appoint/img/160.png'"  alt="">

 

<img ref="loading-img" :onerror="error" alt="" :src="src" class="loading-img">

 data() {
        return {
            error:'this.src="' + require('../../assets/img/perchimg/hengbig.png') + '"',
        };
  },