public static string InvokePostByHttpUtil(string url, MyFormUrlEncodedContent parameters)
{
MyHttpClient myHttpClient = MyHttpClient.GetInstance();
Task <HttpResponseMessage> task = myHttpClient.PostAsync(url, parameters);
HttpResponseMessage response = task.Result;
var result = response.Content.ReadAsStringAsync().GetAwaiter().GetResult();
return(result);
}
private static void LoginByHttpUtil(string url, string username, string password, string sessionID)
{
var parameters = new Dictionary <string, string> {
{ "ses_id", sessionID }, { "loginid", username }, { "password", password }, { "loginforid", "1" }, { "loginbtn", "%83%8D%83O%83C%83%93" }
};
var encodedContent = new MyFormUrlEncodedContent(parameters);
var result = InvokePostByHttpUtil(url, encodedContent);
if (result.Contains("#changeLogin"))
{
throw new Exception("用户名与密码出现问题！");
}
}
public static List <string> UploadPictureToWebsite(List <Image> pictureImages)
{
List <string> list = new List <string>();
foreach (Image pictureImage in pictureImages)
{
var parameters = new Dictionary <string, string>();
string base64PictrueStr = GetBase64FromImage(pictureImage);
parameters.Add("dataUrl", base64PictrueStr);
parameters.Add("block", "0");
var encodedContent = new MyFormUrlEncodedContent(parameters);
string result = InvokePostByHttpUtil(Url.UPLOAD_IMAGE, encodedContent);
string imageUrl = GetImageUrlFromResponse(result);
list.Add(imageUrl);
}
return(list);
}
private static byte[] GetContentByteArray(IEnumerable <KeyValuePair <string, string> > nameValueCollection)
{
if (nameValueCollection == null)
{
throw new ArgumentNullException("nameValueCollection");
}
StringBuilder stringBuilder = new StringBuilder();
foreach (KeyValuePair <string, string> current in nameValueCollection)
{
if (stringBuilder.Length > 0)
{
stringBuilder.Append('&');
}
stringBuilder.Append(MyFormUrlEncodedContent.Encode(current.Key));
stringBuilder.Append('=');
stringBuilder.Append(MyFormUrlEncodedContent.Encode(current.Value));
}
return(Encoding.Default.GetBytes(stringBuilder.ToString()));
}
public MyFormUrlEncodedContent(IEnumerable <KeyValuePair <string, string> > nameValueCollection)
: base(MyFormUrlEncodedContent.GetContentByteArray(nameValueCollection))
{
base.Headers.ContentType = new MediaTypeHeaderValue("application/x-www-form-urlencoded");
}
