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9使用javascript创建并下载文件.html
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9使用javascript创建并下载文件.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport"
content="initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0, user-scalable=no, width=device-width"/>
<title>使用Javascript创建并下载文件（兼容性不太好）</title>
<style>
button{
width:200px;
height:50px;
line-height:50px;
}
</style>
</head>
<!-- 参考地址：https://gaohaoyang.github.io/2016/11/22/js-create-file-and-download/ -->
<body>
<button id="btn">点我下载测试</button>
<script>
/*
* 创建并下载文件
* @param {string} fileName 文件名
* @param {string} content 文件内容
* */
function createAndDownloadFile(fileName, content){
var aTag = document.createElement('a');
var blob = new Blob([content]);
aTag.download = fileName;
aTag.href = URL.createObjectURL(blob);
aTag.click();
URL.revokeObjectURL(blob); //回收内存
}
var btn = document.getElementById('btn');
btn.addEventListener('click',function(){
createAndDownloadFile('测试下载文件.txt','测试文件内容哦~');
},false);
</script>
</body>
</html>