引用必要的文件初始化插件：

<script src="dist/sweetalert.min.js"></script> 
<link rel="stylesheet" type="text/css" href="dist/sweetalert.css">

页面加载完成后调用sweetAlert函数

swal({ 
  title: "Error!", 
  text: "Here's my error message!",
  type: "error", 
  confirmButtonText: "Cool" });