源码地址：https://github.com/search?utf8=?&q=AFNetworking
下载链接
1 return json & xml
- (void)cctv01
{
// 1.获得请求管理者(管理请求, 帮助发请求)
AFHTTPRequestOperationManager *mgr = [AFHTTPRequestOperationManager manager];
// 声明服务器返回的数据是JSON
// mgr.responseSerializer = [AFJSONResponseSerializer serializer];
// 2.封装请求参数
NSMutableDictionary *params = [NSMutableDictionary dictionary];
params[@"username"] = @"123";
params[@"pwd"] = @"123";
// 3.发送GET请求
[mgr GET:@"http://192.168.1.200:8080/Server/login" parameters:params
success:^(AFHTTPRequestOperation *operation, id responseObject) { // responseObject : 在这种情况下是字典
NSLog(@"请求成功---%@", responseObject);
}
failure:^(AFHTTPRequestOperation *operation, NSError *error) {
NSLog(@"请求失败---%@", error);
}];
}
-----------
- (void)cctv02 (for json -> dictionary)
{
// 1.获得请求管理者
AFHTTPRequestOperationManager *mgr = [AFHTTPRequestOperationManager manager];
// 2.发送GET请求
[mgr GET:@"http://192.168.1.200:8080/Server/video" parameters:nil
success:^(AFHTTPRequestOperation *operation, NSDictionary *dict) { // responseObject : 在这种情况下是字典
NSLog(@"请求成功---%@", dict[@"videos"]);
}
failure:^(AFHTTPRequestOperation *operation, NSError *error) {
NSLog(@"请求失败---%@", error);
}];
}
-----------
- (void)cctv03 (for XML)
{
// 1.获得请求管理者
AFHTTPRequestOperationManager *mgr = [AFHTTPRequestOperationManager manager];
mgr.responseSerializer = [AFXMLParserResponseSerializer serializer];
// 2.发送POST请求
[mgr POST:@"http://192.168.1.200:8080/Server/video" parameters:@{@"type" : @"XML"}
success:^(AFHTTPRequestOperation *operation, NSXMLParser *parser) {
}
failure:^(AFHTTPRequestOperation *operation, NSError *error) {
NSLog(@"请求失败---%@", error);
}];
}
-----------
2 downloading & uploading the data
- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
// 1.获得请求管理者
AFHTTPRequestOperationManager *mgr = [AFHTTPRequestOperationManager manager];
// 2.发送请求(做文件上传)
// parameters : 只能放非文件参数
NSMutableDictionary *params = [NSMutableDictionary dictionary];
params[@"username"] = @"zhangsan";
[mgr POST:@"http://192.168.1.200:8080/Server/upload" parameters:params
constructingBodyWithBlock:^(id<AFMultipartFormData> formData) {
// 一定要在这个block中添加文件参数
// 加载文件数据
NSString *file = [[NSBundle mainBundle] pathForResource:@"test.txt" ofType:nil];
NSData *data = [NSData dataWithContentsOfFile:file];
// 拼接文件参数
[formData appendPartWithFileData:data name:@"file" fileName:@"123.txt" mimeType:@"text/plain"];
}
success:^(AFHTTPRequestOperation *operation, id responseObject) {
NSLog(@"上传成功----%@", responseObject);
} failure:^(AFHTTPRequestOperation *operation, NSError *error) {
NSLog(@"上传失败----%@", error);
}];
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3 judge the network isOn
// 1.获得网络监控的管理者
AFNetworkReachabilityManager *mgr = [AFNetworkReachabilityManager sharedManager];
// 2.设置网络状态改变后的处理
[mgr setReachabilityStatusChangeBlock:^(AFNetworkReachabilityStatus status) {
// 当网络状态改变了, 就会调用这个block
switch (status) {
case AFNetworkReachabilityStatusUnknown: // 未知网络
NSLog(@"未知网络");
break;
case AFNetworkReachabilityStatusNotReachable: // 没有网络(断网)
NSLog(@"没有网络(断网)");
break;
case AFNetworkReachabilityStatusReachableViaWWAN: // 手机自带网络
NSLog(@"手机自带网络");
break;
case AFNetworkReachabilityStatusReachableViaWiFi: // WIFI
NSLog(@"WIFI");
break;
}
}];
// 3.开始监控
[mgr startMonitoring];
// mgr.isReachableViaWiFi
// mgr.isReachableViaWWAN