Asp.net web api Web API 2中的文件上载问题，html表单post除外
Web API 2中的文件上载问题 虽然我用form post上传文件，但当我从Rest客户端（如Google Chrome中的Postman）发送相同的信息，或者用Android或iOS应用程序发布文件信息时，Web Api 2代码并没有检测到文件多部分/form post 以下是我的html代码Asp.net web api Web API 2中的文件上载问题，html表单post除外,asp.net-web-api,asp.net-mvc-5,Asp.net Web Api,Asp.net Mvc 5,Web API 2中的文件上载问题 虽然我用form post上传文件，但当我从Rest客户端（如Google Chrome中的Postman）发送相同的信息，或者用Android或iOS应用程序发布文件信息时，Web Api 2代码并没有检测到文件多部分/form post 以下是我的html代码 <form enctype="multipart/form-data" method="post" action="/api/feedback"> <input t
<form enctype="multipart/form-data" method="post" action="/api/feedback">
<input type="text" name="Scope" placeholder="Scope" value="feedback">
<input type="text" name="Lang" placeholder="Lang" value="en">
<input type="text" name="Collection" placeholder="Collection" value="7b22437573746f6d65724964223a392c2253657276696365526571756573744964223a312c224174746974756465223a332e322c22576f726b457468696373223a342e322c2248796769656e65223a352c22416d6f757450616964223a333132332e327d">
<input type="file" name="Photo1" placeholder="Photo1">
<input type="file" name="Photo2" placeholder="Photo2">
<input type="file" name="Signature" placeholder="Signature">
<input type="submit" value="Submit">
</form>
public async Task<Result> Post()
{
var model = new ApiData();
var result = new Result();
if (Request.Content.IsMimeMultipartContent())
{
try
{
string root = HttpContext.Current.Server.MapPath("~/assets/temp");
var provider = new MultipartFormDataStreamProvider(root);
var sb = new System.Text.StringBuilder(); // Holds the response body
// Read the form data and return an async task.
await Request.Content.ReadAsMultipartAsync(provider);
// This illustrates how to get the form data.
foreach (var key in provider.FormData.AllKeys)
{
foreach (var val in provider.FormData.GetValues(key))
{
if (key.Equals("Scope"))
model.Scope = val;
if (key.Equals("Lang"))
model.Lang = val;
if (key.Equals("Collection"))
model.Collection = val;
}
}
if (!model.Scope.Equals("feedback", StringComparison.InvariantCultureIgnoreCase))
result.Text = "Missing Scope.";
else
{
var Util = new Utils();
model.Collection = Util.ToString(model.Collection);
var _Feedback = JsonConvert.DeserializeObject<Feedback>(model.Collection);
try
{
// This illustrates how to get the file names for uploaded files.
foreach (var file in provider.FileData)
{
FileInfo fileInfo = new FileInfo(file.LocalFileName);
string BaseUrl = HttpContext.Current.Server.MapPath("~/assets/feedback/");
string oldFile = file.Headers.ContentDisposition.FileName.TrimStart('"').TrimEnd('"');
string NewName = string.Format("{0}{1}", Util.NewGuid, Path.GetExtension(oldFile));
if (file.Headers.ContentDisposition.Name.ToLower().Contains("photo"))
{
_Feedback.Photos = string.IsNullOrEmpty(_Feedback.Photos) ? NewName : _Feedback.Photos + "," + NewName;
fileInfo.MoveTo(BaseUrl + NewName);
}
else if (string.IsNullOrEmpty(_Feedback.Signatures) && file.Headers.ContentDisposition.Name.ToLower().Contains("signature"))
{
_Feedback.Signatures = NewName;
fileInfo.MoveTo(BaseUrl + NewName);
}
}
}
catch { }
if (Util.IsRequired(_Feedback.CustomerId)
&& Util.IsRequired(_Feedback.ServiceRequestId)
&& Util.IsRequired(_Feedback.Attitude)
&& Util.IsRequired(_Feedback.WorkEthics)
&& Util.IsRequired(_Feedback.Hygiene)
)
{
var feedback = new Feedback()
{
CustomerId = _Feedback.CustomerId,
ServiceRequestId = _Feedback.ServiceRequestId,
Attitude = _Feedback.Attitude,
WorkEthics = _Feedback.WorkEthics,
Hygiene = _Feedback.Hygiene,
AmoutPaid = _Feedback.AmoutPaid,
Photos = _Feedback.Photos,
Signatures = _Feedback.Signatures,
Created = DateTime.UtcNow,
Updated = DateTime.UtcNow
};
db.Feedbacks.Add(feedback);
db.SaveChanges();
if (feedback.Id != default(int))
{
result.Success = true;
result.Text = "Success";
}
}
else
{
result.Text = "Required Parameters missing.";
}
}
}
catch
{
result.Text = "Error";
}
}
else
result.Text = "Signature or photo missing";
return result;
}
<form enctype="multipart/form-data" method="post" action="/api/feedback">
<input type="text" name="Scope" placeholder="Scope" value="feedback">
<input type="text" name="Lang" placeholder="Lang" value="en">
<input type="text" name="Collection" placeholder="Collection" value="7b22437573746f6d65724964223a392c2253657276696365526571756573744964223a312c224174746974756465223a332e322c22576f726b457468696373223a342e322c2248796769656e65223a352c22416d6f757450616964223a333132332e327d">
<input type="file" name="Photo1" placeholder="Photo1">
<input type="file" name="Photo2" placeholder="Photo2">
<input type="file" name="Signature" placeholder="Signature">
<input type="submit" value="Submit">
</form>
public async Task<Result> Post()
{
var model = new ApiData();
var result = new Result();
if (Request.Content.IsMimeMultipartContent())
{
try
{
string root = HttpContext.Current.Server.MapPath("~/assets/temp");
var provider = new MultipartFormDataStreamProvider(root);
var sb = new System.Text.StringBuilder(); // Holds the response body
// Read the form data and return an async task.
await Request.Content.ReadAsMultipartAsync(provider);
// This illustrates how to get the form data.
foreach (var key in provider.FormData.AllKeys)
{
foreach (var val in provider.FormData.GetValues(key))
{
if (key.Equals("Scope"))
model.Scope = val;
if (key.Equals("Lang"))
model.Lang = val;
if (key.Equals("Collection"))
model.Collection = val;
}
}
if (!model.Scope.Equals("feedback", StringComparison.InvariantCultureIgnoreCase))
result.Text = "Missing Scope.";
else
{
var Util = new Utils();
model.Collection = Util.ToString(model.Collection);
var _Feedback = JsonConvert.DeserializeObject<Feedback>(model.Collection);
try
{
// This illustrates how to get the file names for uploaded files.
foreach (var file in provider.FileData)
{
FileInfo fileInfo = new FileInfo(file.LocalFileName);
string BaseUrl = HttpContext.Current.Server.MapPath("~/assets/feedback/");
string oldFile = file.Headers.ContentDisposition.FileName.TrimStart('"').TrimEnd('"');
string NewName = string.Format("{0}{1}", Util.NewGuid, Path.GetExtension(oldFile));
if (file.Headers.ContentDisposition.Name.ToLower().Contains("photo"))
{
_Feedback.Photos = string.IsNullOrEmpty(_Feedback.Photos) ? NewName : _Feedback.Photos + "," + NewName;
fileInfo.MoveTo(BaseUrl + NewName);
}
else if (string.IsNullOrEmpty(_Feedback.Signatures) && file.Headers.ContentDisposition.Name.ToLower().Contains("signature"))
{
_Feedback.Signatures = NewName;
fileInfo.MoveTo(BaseUrl + NewName);
}
}
}
catch { }
if (Util.IsRequired(_Feedback.CustomerId)
&& Util.IsRequired(_Feedback.ServiceRequestId)
&& Util.IsRequired(_Feedback.Attitude)
&& Util.IsRequired(_Feedback.WorkEthics)
&& Util.IsRequired(_Feedback.Hygiene)
)
{
var feedback = new Feedback()
{
CustomerId = _Feedback.CustomerId,
ServiceRequestId = _Feedback.ServiceRequestId,
Attitude = _Feedback.Attitude,
WorkEthics = _Feedback.WorkEthics,
Hygiene = _Feedback.Hygiene,
AmoutPaid = _Feedback.AmoutPaid,
Photos = _Feedback.Photos,
Signatures = _Feedback.Signatures,
Created = DateTime.UtcNow,
Updated = DateTime.UtcNow
};
db.Feedbacks.Add(feedback);
db.SaveChanges();
if (feedback.Id != default(int))
{
result.Success = true;
result.Text = "Success";
}
}
else
{
result.Text = "Required Parameters missing.";
}
}
}
catch
{
result.Text = "Error";
}
}
else
result.Text = "Signature or photo missing";
return result;
}
public async Task Post（）
{
var模型=新的ApiData（）；
var result=新结果（）；
if（Request.Content.IsMimeMultipartContent（））
{
尝试
{
字符串root=HttpContext.Current.Server.MapPath（“~/assets/temp”）；
var provider=新的MultipartFormDataStreamProvider（根）；
var sb=new System.Text.StringBuilder（）；//保存响应正文
//读取表单数据并返回异步任务。
wait Request.Content.ReadAsMultipartAsync（提供程序）；
//这说明了如何获取表单数据。
foreach（provider.FormData.AllKeys中的var键）
{
foreach（provider.FormData.GetValues（键）中的var val）
{
if（key.Equals（“范围”））
model.Scope=val；
if（key.Equals（“Lang”））
model.Lang=val；
if（key.Equals（“集合”））
model.Collection=val；
}
}
如果（！model.Scope.Equals（“反馈”，StringComparison.InvariantCultureIgnoreCase））
result.Text=“缺少范围。”；
其他的
{
var Util=new Utils（）；
model.Collection=Util.ToString（model.Collection）；
var\u Feedback=JsonConvert.DeserializeObject（model.Collection）；
尝试
{
//这说明了如何获取上载文件的文件名。
foreach（provider.FileData中的var文件）
{
FileInfo FileInfo=newfileinfo（file.LocalFileName）；
字符串BaseUrl=HttpContext.Current.Server.MapPath（“~/assets/feedback/”）；
字符串oldFile=file.Headers.ContentDisposition.FileName.TrimStart（“”）.TrimEnd（“”）；
string NewName=string.Format（“{0}{1}”，Util.NewGuid，Path.GetExtension（oldFile））；
if（file.Headers.ContentDisposition.Name.ToLower（）.Contains（“照片”））
{
_Feedback.Photos=string.IsNullOrEmpty（_Feedback.Photos）？NewName:_Feedback.Photos+“，“+NewName；
fileInfo.MoveTo（BaseUrl+NewName）；
}
else if（string.IsNullOrEmpty（_Feedback.Signatures）和&file.Headers.ContentDisposition.Name.ToLower（）包含（“签名”））
{
_反馈。签名=新名称；
fileInfo.MoveTo（BaseUrl+NewName）；
}
}
}
捕获{}
if（Util.IsRequired（_Feedback.CustomerId）
&&Util.IsRequired（_Feedback.ServiceRequestId）
&&需要使用工具（_反馈。态度）
&&需要使用工具（_反馈。工作道德）
&&需要使用工具（_Feedback.Hygiene）
)
{
var反馈=新反馈（）
{
CustomerId=\u Feedback.CustomerId，
ServiceRequestId=\u Feedback.ServiceRequestId，
态度，态度，
工作道德，
卫生，
AmoutPaid=\u Feedback.AmoutPaid，
照片=_Feedback.Photos，
签名=_Feedback.Signatures，
Created=DateTime.UtcNow，
Updated=DateTime.UtcNow
};
db.Feedbacks.Add（反馈）；
db.SaveChanges（）；
if（feedback.Id！=默认值（int））
{
结果：成功=正确；
result.Text=“成功”；
}
}
其他的
{
result.Text=“缺少必需的参数。”；
}
}
}
接住
{
result.Text=“Error”；
}
}
其他的
result.Text=“签名或照片缺失”；
返回结果；
}