C# 发送utf-8时的响应500
当我使用utf-8特殊字符(如“Ö”)向我的web服务发送请求时,它返回响应500“处理请求时出错”。这是我在iOS应用程序中登录的内容C# 发送utf-8时的响应500,c#,objective-c,ios,asp.net-mvc-3,C#,Objective C,Ios,Asp.net Mvc 3,当我使用utf-8特殊字符(如“Ö”)向我的web服务发送请求时,它返回响应500“处理请求时出错”。这是我在iOS应用程序中登录的内容 - (void)connectionDidFinishLoading:(NSURLConnection *)connection { NSError *error = nil; dict = [[CJSONDeserializer deserializer] deserializeAsDictionary:self.responseD
- (void)connectionDidFinishLoading:(NSURLConnection *)connection
{
NSError *error = nil;
dict = [[CJSONDeserializer deserializer] deserializeAsDictionary:self.responseData error:&error];
for (id key in dict) {
NSLog(@"%@=%@", key, [dict objectForKey:key]);
}
如果我只用简单的英语发送消息,效果很好
我不确定错误是在服务器端还是在应用程序本身。
以下是我发送JSON帖子的方式:
- (void)stringWithUrl:(NSURL *)url jsonReq:(NSString *)json{
self.requestURL = [[[NSMutableURLRequest alloc] initWithURL:url] autorelease];
self.responseData = [NSData dataWithBytes:[json UTF8String] length:[json length]];
[self.requestURL setHTTPMethod:@"POST"];
[self.requestURL setValue:@"application/json" forHTTPHeaderField:@"Accept"];
[self.requestURL setValue:@"application/json" forHTTPHeaderField:@"Content-Type"];
[self.requestURL setValue:@"application/json" forHTTPHeaderField:@"UTF-8"];
[self.requestURL setValue:[NSString stringWithFormat:@"%d", [self.responseData length]] forHTTPHeaderField:@"Content-Length"];
[self.requestURL setHTTPBody: self.responseData];
这就是web服务的外观:
....
[WebService(Namespace = "http://mypage.com/webservicesF")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
[System.ComponentModel.ToolboxItem(false)]
// To allow this Web Service to be called from script, using ASP.NET AJAX,
[System.Web.Script.Services.ScriptService]
.....
[WebMethod]
[ScriptMethod(ResponseFormat = ResponseFormat.Json)]
发送前尝试编码,如:
NSString *strEncode = [src stringByAddingPercentEscapesUsingEncoding:NSUnicodeStringEncoding];
这一行:
self.responseData = [NSData dataWithBytes:[json UTF8String] length:[json length]];
这是不正确的。NSString
的长度是UTF-16字符,而不是UTF-8字符。你可以这样做:
const char* utf8 = [json UTF8String];
self.responseData = [NSData dataWithBytes:utf8 length:strlen(utf8)];
但是更好的方法是让字符串直接创建NSData
,而不需要经过C样式的字符串
self.responseData = [json dataUsingEncoding:NSUTF8StringEncoding];