GET请求
AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];
[manager GET:URL parameters:nil progress:^(NSProgress * _Nonnull downloadProgress) {
}
success:^(NSURLSessionDataTask * _Nonnull task, id _Nullable responseObject) {
NSLog(@"这里打印请求成功要做的事");
}
failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
NSLog(@"%@",error); //这里打印错误信息
}];
POST 请求
AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];
NSMutableDictionary *parameters = @{@"":@"",@"":@""};
[manager POST:URL parameters:parameters progress:^(NSProgress * _Nonnull uploadProgress) {
} success:^(NSURLSessionDataTask * _Nonnull task, id _Nullable responseObject) {
} failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
}];
AFN3.0下载方法
/**
* AFN3.0 下载
*/
- (void)downLoad{
//1.创建管理者对象
AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];
//2.确定请求的URL地址
NSURL *url = [NSURL URLWithString:@""];
//3.创建请求对象
NSURLRequest *request = [NSURLRequest requestWithURL:url];
//下载任务
NSURLSessionDownloadTask *task = [manager downloadTaskWithRequest:request progress:^(NSProgress * _Nonnull downloadProgress) {
//打印下下载进度
WKNSLog(@"%lf",1.0 * downloadProgress.completedUnitCount / downloadProgress.totalUnitCount);
} destination:^NSURL * _Nonnull(NSURL * _Nonnull targetPath, NSURLResponse * _Nonnull response) {
//下载地址
WKNSLog(@"默认下载地址:%@",targetPath);
//设置下载路径，通过沙盒获取缓存地址，最后返回NSURL对象
NSString *filePath = [NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES)lastObject];
return [NSURL fileURLWithPath:filePath];
} completionHandler:^(NSURLResponse * _Nonnull response, NSURL * _Nullable filePath, NSError * _Nullable error) {
//下载完成调用的方法
WKNSLog(@"下载完成：");
WKNSLog(@"%@--%@",response,filePath);
}];
//开始启动任务
[task resume];
}
AFN3.0 上传
//第一种方法是通过工程中的文件进行上传
- (void)upLoad1{
//1。创建管理者对象
AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];
//2.上传文件
NSDictionary *dict = @{@"username":@"1234"};
NSString *urlString = @"22222";
[manager POST:urlString parameters:dict constructingBodyWithBlock:^(id_Nonnull formData) {
//上传文件参数
UIImage *iamge = [UIImage imageNamed:@"123.png"];
NSData *data = UIImagePNGRepresentation(iamge);
//这个就是参数
[formData appendPartWithFileData:data name:@"file" fileName:@"123.png" mimeType:@"image/png"];
} progress:^(NSProgress * _Nonnull uploadProgress) {
//打印下上传进度
WKNSLog(@"%lf",1.0 *uploadProgress.completedUnitCount / uploadProgress.totalUnitCount);
} success:^(NSURLSessionDataTask * _Nonnull task, id _Nullable responseObject) {
//请求成功
WKNSLog(@"请求成功：%@",responseObject);
} failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
//请求失败
WKNSLog(@"请求失败：%@",error);
}];
}
//第二种是通过URL来获取路径，进入沙盒或者系统相册等等
- (void)upLoda2{
//1.创建管理者对象
AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];
//2.上传文件
NSDictionary *dict = @{@"username":@"1234"};
NSString *urlString = @"22222";
[manager POST:urlString parameters:dict constructingBodyWithBlock:^(id_Nonnull formData) {
[formData appendPartWithFileURL:[NSURL fileURLWithPath:@"文件地址"] name:@"file" fileName:@"1234.png" mimeType:@"application/octet-stream" error:nil];
} progress:^(NSProgress * _Nonnull uploadProgress) {
//打印下上传进度
WKNSLog(@"%lf",1.0 *uploadProgress.completedUnitCount / uploadProgress.totalUnitCount);
} success:^(NSURLSessionDataTask * _Nonnull task, id _Nullable responseObject) {
//请求成功
WKNSLog(@"请求成功：%@",responseObject);
} failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
//请求失败
WKNSLog(@"请求失败：%@",error);
}];
}
监测当前网络状态（网络监听）
- (void)AFNetworkStatus{
//1.创建网络监测者
AFNetworkReachabilityManager *manager = [AFNetworkReachabilityManager sharedManager];
/* 枚举里面四个状态 分别对应 未知 无网络 数据 WiFi
typedef NS_ENUM(NSInteger, AFNetworkReachabilityStatus) {
AFNetworkReachabilityStatusUnknown = -1, 未知
AFNetworkReachabilityStatusNotReachable = 0, 无网络
AFNetworkReachabilityStatusReachableViaWWAN = 1, 蜂窝数据网络
AFNetworkReachabilityStatusReachableViaWiFi = 2, WiFi
}; */
[manager setReachabilityStatusChangeBlock:^(AFNetworkReachabilityStatus status) {
//这里是监测到网络改变的block 可以写成switch方便
//在里面可以随便写事件
switch (status) {
case AFNetworkReachabilityStatusUnknown:
WKNSLog(@"未知网络状态");
break;
case AFNetworkReachabilityStatusNotReachable:
WKNSLog(@"无网络");
break;
case AFNetworkReachabilityStatusReachableViaWWAN:
WKNSLog(@"蜂窝数据网");
break;
case AFNetworkReachabilityStatusReachableViaWiFi:
WKNSLog(@"WiFi网络");
break;
default:
break;
}
}] ;
}