sendAsynchronousRequest 过时

来源：互联网发布：软件架构图分类编辑：程序博客网时间：2024/06/13 11:34
- (IBAction)onLoginBtnClick:(UIButton *)sender {    NSLog(@"start to login.");    NSString *loginUrl = [[LSMConstantsUtil hostUrl] stringByAppendingString:[LSMConstantsUtil loginPath]];    NSURL *url = [NSURL URLWithString:loginUrl];    NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];    request.HTTPMethod = @"POST";        UITextField *userNameField = [self.view viewWithTag:10];    NSString *userName = userNameField.text;    UITextField *userPasswordField = [self.view viewWithTag:11];    NSString *userPassword = userPasswordField.text;    NSDictionary *parameterDict = @{                                    @"userName" : userName,                                    @"userPassword": userPassword                                    };    NSData *data = [NSJSONSerialization dataWithJSONObject:parameterDict options:NSJSONWritingPrettyPrinted error:nil];    request.HTTPBody = data;        [request setValue:@"application/json" forHTTPHeaderField:@"Content-Type"];    NSString *sessionIdVar = [[AppDelegate app] sessionId];        [NSURLConnection sendAsynchronousRequest:request queue:[NSOperationQueue mainQueue] completionHandler:^(NSURLResponse *response, NSData *data, NSError *connectionError) {        if (data == nil || connectionError) return;        NSDictionary *dict = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableLeaves error:nil];        if (dict[@"sessionId"] != nil && ![dict[@"sessionId"]  isEqual: @""]) {            [[AppDelegate app] setSessionId:dict[@"sessionId"]];        }        NSString *state = dict[@"state"];        if ([@"noUser" isEqualToString:state]) {            NSLog(@"Login---noUser");        }        else if ([@"failed" isEqualToString:state]) {            NSLog(@"Login---failed");        }        else if ([@"successful" isEqualToString:state]) {            NSLog(@"Login---successful");        }        NSString *sessionIdVar = [[AppDelegate app] sessionId];        NSLog([@"sessionId:" stringByAppendingString:sessionIdVar]);    }];}
换成NSURLSession
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