<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<body>
<!-- 2.创建页面元素 -->
<div id="upload">
<input id="file" type="file" name="file" />
<button id="btnButton" type="button">提交2</button>
</div>
<script type="text/javascript" src="js/jquery-3.4.1.min.js"></script>
<script type="text/javascript" src="js/jquery-form.js"></script>
<script type="text/javascript">
$(function(){
$("#btnButton").click(function () {
sendRequest();
return false;
});
})
var BYTES_PER_CHUNK =1 * 1024 * 1024; // 每个文件切片大小定为1MB .
var slices;
var totalSlices;
//发送请求
function sendRequest() {
var blob = document.getElementById("file").files[0];
var start = 0;
var end;
var index = 0;
// 计算文件切片总数
slices = Math.ceil(blob.size / BYTES_PER_CHUNK);
totalSlices= slices;
while(start < blob.size) {
end = start + BYTES_PER_CHUNK;
if(end > blob.size) {
end = blob.size;
}
uploadFile(blob, index, start, end);
start = end;
index++;
if ( index>=totalSlices )
location="reboot.htm";
}
}
//上传文件
function uploadFile(blob, index, start, end) {
var xhr;
var fd;
var chunk;
var sliceIndex=blob.name+index;
chunk =blob.slice(start,end);//切割文件
fd = new FormData();
fd.append("UpgradeFileName", chunk, sliceIndex);
var xhr = new XMLHttpRequest();
xhr.open('POST', 'http://192.168.10.134:8080/Training/UploadVideo', false);//false指同步上传，因为我的服务器内存较小，选择同步，如果追求速度，可以选择 //ture，异步上传
xhr.send(fd);
if((xhr.status >=200 && xhr.status < 300) || xhr.status == 304){
setTimeout("",10);
}else{
uploadFile(blob, index, start, end);
}
}
</script>
</body>
</html>
/// <summary>
/// 文件合并
/// </summary>
/// <param name="files">文件列表</param>
/// <param name="fullName">存放路径</param>
public static void FileMerge(List<string> files, string fullName)
{
if (!(files.Count > 0))
{
throw new Exception("文件列表为空");
}
foreach (string item in files)
{
if (!File.Exists(item))
{
throw new Exception(string.Format("文件{0}不存在", item));
}
}
byte[] buffer = new byte[1024 * 100];
using (FileStream outStream = new FileStream(fullName, FileMode.Create))
{
int readedLen = 0;
FileStream srcStream = null;
for (int i = 0; i < files.Count; i++)
{
srcStream = new FileStream(files[i], FileMode.Open);
while ((readedLen = srcStream.Read(buffer, 0, buffer.Length)) > 0)
{
outStream.Write(buffer, 0, readedLen);
}
srcStream.Close();
}
}
}
