<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<textarea name="" id="textArea" cols="30" rows="10"></textarea>
<input id="files" type="file" value="上传文件">
</body>
<script src="js/jquery.min.js"></script>
<script>
$(function () {
$("#files").change(function () {
fileUpload_onselect();
})
function fileUpload_onselect(){
var selectedFile = document.getElementById("files").files[0];
var reader = new FileReader();//这是核心！！读取操作都是由它完成的
reader.readAsText(selectedFile,'gb2312');
reader.onload = function(oFREvent){//读取完毕从中取值
var pointsTxt = oFREvent.target.result;
$("#textArea").val(pointsTxt)
}
}
})
</script>
</html>
input输入框获取本地txt文本内容
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转载自blog.csdn.net/qq_41348029/article/details/82697692
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