前台代码：
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>上传图片</title>
<link href="../../jQuery/css/bootstrap.min.css" rel="stylesheet" />
<link rel="stylesheet" href="https://at.alicdn.com/t/font_1805932_ysrcp4y0uy9.css">
<link href="../../jQuery/css/uploadImg.css" rel="stylesheet" />
<script src="https://www.jq22.com/jquery/jquery-1.10.2.js"></script>
<script src="../../jQuery/js/bootstrap.min.js"></script>
<script src="../../jQuery/js/uploadImg.js"></script>
</head>
<body>
<div class="main">
<div class="upload-content">
<h3>上传图片</h3>
<div class="content-img">
<ul class="content-img-list"></ul>
<div class="file">
<i class="gcl gcladd"></i>
<input type="file" name="file" accept="image/*" id="upload" multiple>
</div>
</div>
<div class="modal fade bs-example-modal-lg" tabindex="-1" role="dialog" aria-labelledby="myLargeModalLabel">
<div class="modal-dialog modal-lg" role="document">
<div class="modal-content">
</div>
</div>
</div>
</div>
</div>
<input type="button" onclick="saveUser()" value="上传" />
<script>
function saveUser() {
debugger;
let formData = new FormData();
for (let i = 0; i < imgFile.length; i++) {
formData.append(i, imgFile[i]);
}
$.ajax({
url: ‘../../Ashx/BannerManage.ashx?faction=SaveProdImage‘,
type: "POST",
data: formData,
cache: false,//不缓存
contentType: false,// jQuery不要去设置Content-Type请求头
processData: false,// jQuery不要去处理发送的数据
success: function (data) {
console.log(data);
}
})
}
</script>
</body>
后台代码：
public static string UploadFile() { var filelist = HttpContext.Current.Request.Files; if (filelist.Count == 0) return Newtonsoft.Json.JsonConvert.SerializeObject(new { ResultCode = 0, ResultMsg = "上传失败" }); string NewFiles = DateTime.Now.ToString("yyyyMM") + "ymall"; List<AccessoryDTO> accessoryList = new List<AccessoryDTO>(); for (int i = 0; i < filelist.Count; i++) { var file = filelist[i]; string suffix = Path.GetExtension(file.FileName); string fileName = Guid.NewGuid() + suffix.ToLower(); //string url = ""; byte[] buffer = new byte[file.InputStream.Length]; file.InputStream.Read(buffer, 0, (int)file.InputStream.Length); Utility.Net.FtpArgs args = new Utility.Net.FtpArgs() { Host = ConfigurationManager.AppSettings["ProductImg:FtpHost2"], Port = Convert.ToInt32(ConfigurationManager.AppSettings["ProductImg:FtpPort2"]), UserName = ConfigurationManager.AppSettings["ProductImg:FtpUserName2"], Userpwd = ConfigurationManager.AppSettings["ProductImg:FtpUserpwd2"], RemoteDir = "/" + NewFiles + "/", RemoteFileName = fileName, UploadData = buffer }; Utility.ReturnMessage rm = Utility.Net.CFTP.Upload(args); if (!rm.Success) { return Newtonsoft.Json.JsonConvert.SerializeObject(new { ResultCode = 0, ResultObject = accessoryList, ResultMsg = "上传异常" }); //continue; } AccessoryDTO dto = new AccessoryDTO(); dto.AccessoryFileType = file.ContentType; if (dto.AccessoryFileType!= "image/jpeg"&& dto.AccessoryFileType != "image/png") //jpg { return Newtonsoft.Json.JsonConvert.SerializeObject(new { ResultCode = 0, ResultObject = accessoryList, ResultMsg = "请上传jpg,png格式！！" }); } dto.AccessoryName = file.FileName; dto.AccessorySize = file.ContentLength; dto.AccessoryUrl = ConfigurationManager.AppSettings["ProductImg:HttpHost2"] + NewFiles + "/" + fileName; dto.Sort = i; accessoryList.Add(dto); } return Newtonsoft.Json.JsonConvert.SerializeObject(new { ResultCode = 1, ResultObject = accessoryList, ResultMsg = "上传成功！！" }); }
Web配置 FTP路径配置
1 <add key="ProductImg:HttpHost2" value="http://192.168.20.122:8006/" /> 2 <add key="ProductImg:FtpHost2" value="192.168.20.122" /> 3 <add key="ProductImg:FtpPort2" value="2116" /> 4 <add key="ProductImg:FtpUserName2" value="" /> 5 <add key="ProductImg:FtpUserpwd2" value="" />
//注：需引用博客文件中js与css文件
原文：https://www.cnblogs.com/hq89533921/p/13262254.html