[HTML] 纯文本查看 复制代码
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>filereader</title>
</head>
<body>
<input type="file">
<script>
var input = document.querySelector('input');
input.onchange = function() {
var files = this.files;
// FileReader;
var reader = new FileReader;
// for(var key in reader) {
// console.log(key, reader[key]);
// }
// 传递将要读取文件对象File
reader.readAsText(files[0]);
// 通过事件监听读取完成
reader.onload = function () {
console.log(reader.result);
var style = document.createElement('style');
style.innerHTML = reader.result;
document.querySelector('head').appendChild(style);
}
}
</script>
</body>