IOS网络处理——AFNetworking的简单使用

{"login":{"id":"0001","status":"OK","errorMsg":""}}

 1 #import "AFNetWorking.h"
 2 
 3 NSString urlLogin = @"www.xxx.com";
 4 //创建请求管理器
 5 AFHTTPRequestOperationManager *requestManager = [[AFHTTPRequestOperationManager alloc] init];
 6 //申明请求的数据为text/html型
 7 requestManager.responseSerializer.acceptableContentTypes = [NSSet setWithObjects:@"text/html", nil];
 8 requestManager.requestSerializer.HTTPShouldHandleCookies = YES;
 9 [requestManager GET:urlLogin
10          parameters:nil
11               success:^(AFHTTPRequestOperation *operation, id responseObject) {
12                 NSDictionary *dict = responseObject[@"login"];
13                 NSString *str = [dict objectForKey:@"status"];
14                 NSString *errorMsg = [dict objectForKey:@"errorMsg"];
15                 //如果比对成功，就跳往下个页面
16                 if (str && [str isEqualToString:@"OK"]) {
17                     MSTabBarViewController *tabBar = [[MSTabBarViewController alloc] init];
18                     [self presentViewController:tabBar animated:YES completion:nil];
19                 } else {
20                 //比对不成功，弹出提示
21                     self.alertView = [[UIAlertView alloc]initWithTitle:@"" message:errorMsg delegate:self cancelButtonTitle:@"cancle" otherButtonTitles:@"ok", nil];
22                     [self.alertView show];
23                 }
24                 
25             } failure:^(AFHTTPRequestOperation *operation, NSError *error) {
26                 NSLog(@"服务器出错");
27             }];