using System.IO;
/// <summary>
/// WebApi返回图片
/// </summary>
public
HttpResponseMessage GetQrCode()
{
var
imgPath =
@"D:\ITdosCom\Images\itdos.jpg"
;
//从图片中读取byte
var
imgByte = File.ReadAllBytes(imgPath);
//从图片中读取流
var
imgStream =
new
MemoryStream(File.ReadAllBytes(imgPath));
var
resp =
new
HttpResponseMessage(HttpStatusCode.OK)
{
Content =
new
ByteArrayContent(imgByte)
//或者
//Content = new StreamContent(stream)
};
resp.Content.Headers.ContentType =
new
MediaTypeHeaderValue(
"image/jpg"
);
return
resp;
}
/// <summary>
/// WebApi返回json数据
/// </summary>
public
HttpResponseMessage GetQrCode()
{
var
jsonStr =
"{\"IsSuccess\":true,\"Data\":\"www.itdos.com\"}"
;
var
result =
new
HttpResponseMessage(HttpStatusCode.OK)
{
Content =
new
StringContent(jsonStr, Encoding.UTF8,
"text/json"
)
};
return
result;
}
/// <summary>
/// WebApi返回字符串
/// </summary>
public
HttpResponseMessage GetQrCode()
{
var
str =
"IT大师www.itdos.com"
;
var
result =
new
HttpResponseMessage(HttpStatusCode.OK)
{
Content =
new
StringContent(str, Encoding.UTF8,
"text/plain"
)
};
return
result;
}