<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>web打开本地文件并读取内容</title>
</head>
<body>
<div>
<input type="file" id="input" onchange="handleFilesopen(this.files[0])">
</div>
<script>
function handleFilesopen(filename) {
var reader = new FileReader();
reader.onload = function (evt) { // 指定异步读写后触发的函数
console.log(evt.target.result);
};
reader.readAsText(filename, "gb2312");
}
</script>
</body>
</html>