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1 (1).使用同步方法发送get请求(不常用) 2 /** 发送get消息 */ 3 - (void) testGet { 4 NSString *requestStr = [NSString stringWithFormat:@"http://192.168.0.21:8080/MyTestServer/login?user=%@&password=%@", self.userField.text, self.passwordField.text]; 5 6 NSURL *url = [NSURL URLWithString:requestStr]; 7 8 // 默认就是get请求 9 NSURLRequest *request = [NSURLRequest requestWithURL:url]; 10 11 // 使用同步方法发送请求 12 [self sendSynRequest:request]; 13 } 14 15 /** 同步发送请求 */ 16 - (void) sendSynRequest:(NSURLRequest *) request { 17 // 同步发送信息 18 NSData *data = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil]; 19 20 [self dealWithResponseData:data]; 21 } 22 23 /** 处理返回数据 */ 24 - (void) dealWithResponseData:(NSData *) data { 25 // 解析数据 26 if (data) { // 得到返回数据 27 // 解除屏幕锁 28 [MBProgressHUD hideHUD]; 29 30 // 解析json数据 31 NSDictionary *dict = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableLeaves error:nil]; 32 33 // 处理返回的数据 34 NSString *result = dict[@"success"]; 35 if (result) { 36 [MBProgressHUD showSuccess:result]; 37 } else { 38 result = dict[@"error"]; 39 if (result) { 40 [MBProgressHUD showError:result]; 41 } 42 } 43 } else { 44 [MBProgressHUD showError:@"网络繁忙,请稍后再试~"]; 45 } 46 }
1 /** 异步发送请求 */ 2 - (void) sendAsynRequest:(NSURLRequest *) request { 3 NSOperationQueue *queue = [NSOperationQueue mainQueue]; 4 [NSURLConnection sendAsynchronousRequest:request queue:queue completionHandler:^(NSURLResponse *response, NSData *data, NSError *connectionError) { 5 6 [self dealWithResponseData:data]; 7 }]; 8 }
1 @interface ViewController () <NSURLConnectionDataDelegate>
1 /** 使用start & 代理发送、处理异步请求 */ 2 - (void) sendAsynRequestWithDelegate:(NSURLRequest *) request { 3 NSURLConnection *connection = [NSURLConnection connectionWithRequest:request delegate:self]; 4 [connection start]; 5 }
1 #pragma mark - NSURLConnectionDataDelegate 代理方法 2 /** 收到服务器回应 */ 3 - (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response { 4 NSLog(@"didReceiveResponse"); 5 self.data = [NSMutableData data]; 6 } 7 8 /** 接收到的数据,会调用多次,数据被分割接收 */ 9 - (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data { 10 NSLog(@"didReceiveData"); 11 [self.data appendData:data]; 12 } 13 14 /** 接收数据完毕 */ 15 - (void)connectionDidFinishLoading:(NSURLConnection *)connection { 16 NSLog(@"connectionDidFinishLoading"); 17 [self dealWithResponseData:self.data]; 18 }
1 #pragma mark - post 2 - (void) testPost { 3 NSString *requestStr = [NSString stringWithFormat:@"http://192.168.0.21:8080/MyTestServer/login"]; 4 NSURL *url = [NSURL URLWithString:requestStr]; 5 6 NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url]; 7 request.timeoutInterval = 5; 8 9 // 设置为post方式请求 10 request.HTTPMethod = @"POST"; 11 12 // 设置请求头 13 [request setValue:@"ios" forHTTPHeaderField:@"User-Agent"]; 14 15 // 设置请求体 16 NSString *param = [NSString stringWithFormat:@"user=%@&password=%@", self.userField.text, self.passwordField.text]; 17 request.HTTPBody = [param dataUsingEncoding:NSUTF8StringEncoding]; 18 19 // 发送请求 20 // 使用主线程来处理UI刷新 21 NSOperationQueue *queue = [NSOperationQueue mainQueue]; 22 [NSURLConnection sendAsynchronousRequest:request queue:queue completionHandler:^(NSURLResponse *response, NSData *data, NSError *connectionError) { 23 [self dealWithResponseData:data]; 24 }]; 25 26 }
1 // 使用可变request 2 NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url]; 3 // 设置请求超时时间 4 request.timeoutInterval = 5;
1 NSString *requestStr = [NSString stringWithFormat:@"http://192.168.0.21:8080/MyTestServer/login?user=%@&password=%@", self.userField.text, self.passwordField.text]; 2 3 // 由于url不能传送中文,所以需要转码 4 requestStr = [requestStr stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
[iOS 多线程 & 网络 - 2.0] - 发送接收 服务器信息
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原文地址:http://www.cnblogs.com/hellovoidworld/p/4248839.html