插件官网地址https://www.npmjs.com/package/vue-print-nb1.npm 导入插件npm install vue-print-nb --save2.main.js中引用import Print from 'vue-print-nb'Vue.use(Print);3.页面上使用有2种方式<div id="printInfo">打印的内容</div&

1.在main.js里添加/* 延迟按钮点击指令 */Vue.directive(‘dbClick’, {inserted(el, binding) {console.log(el)el.addEventListener(‘click’, e => {if (!el.disabled) {el.disabled = trueel.style.cursor = ‘not-allowed’set