[英]How request body parameter access by Web API using Content-Type: multipart/form-data?
當我以JSON格式從Request主體傳遞參數時,不會被Web API擊中。 我的代碼:
public async Task<HttpResponseMessage> Upload([FromBody]AddPhotoBizPrm addPhotoBizPrm)
{
json_obj.RESPONSE = new { };
string images = "";
if (Request.Content.IsMimeMultipartContent())
{
var provider = new MultipartMemoryStreamProvider();
await Request.Content.ReadAsMultipartAsync(provider);
foreach (var file in provider.Contents)
{
var filename = file.Headers.ContentDisposition.FileName.Trim('\"');
var buffer = file.ReadAsByteArrayAsync();
images += filename;
//Do whatever you want with filename and its binary data.
}
}
json_obj.RESPONSE = images;
json_obj.MESSAGE = "";
json_obj.STATUS_CODE = 701;
return new HttpResponseMessage()
{
Content = new StringContent("ok")
};
}
我從請求正文傳遞參數:
{
deviceid:"",
rate:2,
review:"",
skuid:123,
userId:875904
}
解決了這個問題。 我正在使用content-type = multipart / form-data,因此我們無法將json參數傳遞給請求正文。 因此,我們將以數據形式傳遞參數,例如deviceid =“”&rate = 2&review =“”&skuid = 123&userId = 875904
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