关于javascript:vue-20-处理图片错误的情况-自定义指令

//directive.js

export const imageerror = {    inserted(dom, options) {        // debugger      dom.onerror = function() {        dom.src = options.value      }    }  }ex....

main.js

import * as directives from '@directive'Object.keys(directives).forEach(key => {  Vue.directive(key, directives[key])})

example

 <img v-imageerror="defaultImg".....