代码:
<input type="file" name="uploadfile" class="J-upload">
<script>
//上传后
var upLoaded = function(evt) {
var fileString = evt.target.result;
console.log(fileString); //文本内容
};
//change事件
var updateUploadFile = function(evt){
var $target = $(evt.target);
var path = $target.val();
var file = path.match(/[^\/\\]+$/gi)[0];
var filterType = ‘txt‘;
var rx = new RegExp(‘\\.(‘ + (filterType ? filterType : ‘‘) + ‘)$‘, ‘gi‘);
//过滤文件
if(file.match(rx) == null){
alert(‘请上传txt文件‘);
return;
}
var files = evt.target.files; // FileList object
if (files[0]) {
var reader = new FileReader();
reader.readAsText(files[0]);
reader.onload = upLoaded;
}
};
$(‘.J-upload‘).bind(‘change‘, $.proxy(updateUploadFile, this));
</script>
本文转载于:猿2048→https://www.mk2048.com/blog/blog.php?id=h22ikkc22hj