- //Post 提交数据方法:
- - (void)post
- {
- NSString *postString = [NSStringstringWithFormat:@" {\\"userName\\":\\"%@\\",\\"userPass\\":\\"%@\\",\\"version\\":\\"1.0\\"}",self.userField.text,self.passwordField.text];
- NSLog(@"%@",postString);
- //一般转化称UTF-8,这里服务器需要ASCII
- NSData* postData = [postStringdataUsingEncoding:NSASCIIStringEncodingallowLossyConversion:YES];
- NSMutableURLRequest *request = [[[NSMutableURLRequestalloc] init] autorelease];
- [requestsetURL:[NSURLURLWithString:@"http://lib.wap.zol.com.cn/test/login.php"]];
- [requestsetCachePolicy:NSURLRequestUseProtocolCachePolicy];
- [requestsetTimeoutInterval:100.0];
- [request setHTTPMethod:@"POST"];
- [request setHTTPBody:postData];
- // 应该是application/x-www-form-urlencoded,但对方服务器写成了appliction/x-www-form-urlencoded,告诉服务器是一个表单提交数据方式
- [requestsetValue:@"appliction/x-www-form-urlencoded"forHTTPHeaderField:@"Content-Type"];
- //得到提交数据的长度
- NSString* len = [NSString stringWithFormat:@"%d", [postData length]];
- //添加一个http包头告诉服务器数据长度是多少
- [requestsetValue:len forHTTPHeaderField:@"Content-Length"];
- [NSURLConnectionconnectionWithRequest:request delegate:self];
- }
- //POST接收数据方法:
- - (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response
- {
- NSLog(@"didReceiveResponse");
- }
- - (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data
- {
- NSLog(@"didReceiveData");
- [self.mutabledataappendData:data];
- }
- - (void)connectionDidFinishLoading:(NSURLConnection *)connection
- {
- NSLog(@"connectionDidFinishLoading");
- self.strUser = [[NSStringalloc]initWithData:self.mutabledataencoding:NSASCIIStringEncoding];
- }
- //该片段来自于http://www.codesnippet.cn/detail/181220138099.html
来源: http://www.codesnippet.cn/detail/181220138099.html