js
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>js上传图片</title>
</head>
<body>
<input id="file" type="file">
<script type="text/javascript">
window.onload = function myfunction() {
var input = document.getElementById(‘file‘);
input.onchange = function () {
var files = this.files;
for (var i = 0, len = files.length; i < len; i++) {
var file = files[i];
//file.name || file.fileName => 文件名称
//file.size || file.fileSize => 文件大小
upload_html5(file);
}
};
}
function upload_html5(file) {
//html5 上传
var xhr = new XMLHttpRequest();
//上传进度事件
xhr.upload.addEventListener("progress", function (e) { }, false);
//上传完成（成功）事件
xhr.addEventListener("load", function (e) {
//获取服务器响应
var obj = JSON.parse(e.target.responseText);
if (obj.code == 200) {
alert("上传成功");
}
else {
alert(obj.message);
}
}, false);
//上传失败事件
xhr.addEventListener("error", function (e) {
console.log(e);
alert("上传失败");
}, false);
//上传中断（取消）事件
xhr.addEventListener("abort", function (e) {
alert("上传取消");
}, false);
var fd = new FormData;
//添加要上传的文件对象
fd.append("file", file);
fd.append("hallName", ‘分会场1‘);
fd.append("dateTime", ‘2019-06-21‘);
xhr.open("POST", "/Common/UploadFile");
xhr.send(fd);
}
</script>
</body>
</html>
public ActionResult UploadFile()
{
var baseDirectory = AppDomain.CurrentDomain.BaseDirectory;
var directory = string.Format("{0}/Upload/{1}/", baseDirectory, Request.Form["hallName"]);
if (!Directory.Exists(directory))
Directory.CreateDirectory(directory);
var filePath = string.Format("{0}/{1}.jpg", directory, Request.Form["dateTime"]);
Request.Files[0].SaveAs(filePath);
return Json(new Response());
}
原文地址：https://www.cnblogs.com/kikyoqiang/p/11064841.html
时间： 2024-07-30 00:34:54