AFNetworking2.5使用

+ (void)netWorkStatus
{
/**
AFNetworkReachabilityStatusUnknown          = -1,  // 未知
AFNetworkReachabilityStatusNotReachable     = 0,   // 无连接
AFNetworkReachabilityStatusReachableViaWWAN = 1,   // 3G 花钱
AFNetworkReachabilityStatusReachableViaWiFi = 2,   // WiFi
*/
// 如果要检测网络状态的变化,必须用检测管理器的单例的startMonitoring
[[AFNetworkReachabilityManager sharedManager] startMonitoring];

// 检测网络连接的单例,网络变化时的回调方法
[[AFNetworkReachabilityManager sharedManager] setReachabilityStatusChangeBlock:^(AFNetworkReachabilityStatus status) {
NSLog(@"%ld", status);
}];
}

+ (void)JSONDataWithUrl:(NSString *)url success:(void (^)(id json))success fail:(void (^)())fail;
{
AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];

NSDictionary *dict = @{@"format": @"json"};
// 网络访问是异步的,回调是主线程的,因此程序员不用管在主线程更新UI的事情
[manager GET:url parameters:dict success:^(AFHTTPRequestOperation *operation, id responseObject) {
if (success) {
success(responseObject);
}
} failure:^(AFHTTPRequestOperation *operation, NSError *error) {
NSLog(@"%@", error);
if (fail) {
fail();
}
}];
}

+ (void)XMLDataWithUrl:(NSString *)urlStr success:(void (^)(id xml))success fail:(void (^)())fail
{
AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];

// 返回的数据格式是XML
manager.responseSerializer = [AFXMLParserResponseSerializer serializer];

NSDictionary *dict = @{@"format": @"xml"};

// 网络访问是异步的,回调是主线程的,因此程序员不用管在主线程更新UI的事情
[manager GET:urlStr parameters:dict success:^(AFHTTPRequestOperation *operation, id responseObject) {
if (success) {
success(responseObject);
}

} failure:^(AFHTTPRequestOperation *operation, NSError *error) {
NSLog(@"%@", error);
if (fail) {
fail();
}
}];
}

+ (void)postJSONWithUrl:(NSString *)urlStr parameters:(id)parameters success:(void (^)(id responseObject))success fail:(void (^)())fail
{
AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];
// 设置请求格式
manager.requestSerializer = [AFJSONRequestSerializer serializer];
// 设置返回格式
manager.responseSerializer = [AFHTTPResponseSerializer serializer];
[manager POST:urlStr parameters:parameters success:^(AFHTTPRequestOperation *operation, id responseObject) {
//        NSString *result = [[NSString alloc] initWithData:responseObject encoding:NSUTF8StringEncoding];
if (success) {
success(responseObject);
}
} failure:^(AFHTTPRequestOperation *operation, NSError *error) {
NSLog(@"%@", error);
if (fail) {
fail();
}
}];

}

+ (void)sessionDownloadWithUrl:(NSString *)urlStr success:(void (^)(NSURL *fileURL))success fail:(void (^)())fail
{
NSURLSessionConfiguration *config = [NSURLSessionConfiguration defaultSessionConfiguration];
AFURLSessionManager *manager = [[AFURLSessionManager alloc] initWithSessionConfiguration:config];

NSString *urlString = [urlStr stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];

NSURL *url = [NSURL URLWithString:urlString];
NSURLRequest *request = [NSURLRequest requestWithURL:url];

NSURLSessionDownloadTask *task = [manager downloadTaskWithRequest:request progress:nil destination:^NSURL *(NSURL *targetPath, NSURLResponse *response) {
// 指定下载文件保存的路径
//        NSLog(@"%@ %@", targetPath, response.suggestedFilename);
// 将下载文件保存在缓存路径中
NSString *cacheDir = NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES)[0];
NSString *path = [cacheDir stringByAppendingPathComponent:response.suggestedFilename];

// URLWithString返回的是网络的URL,如果使用本地URL,需要注意
//        NSURL *fileURL1 = [NSURL URLWithString:path];
NSURL *fileURL = [NSURL fileURLWithPath:path];

//        NSLog(@"== %@ |||| %@", fileURL1, fileURL);
if (success) {
success(fileURL);
}

return fileURL;
} completionHandler:^(NSURLResponse *response, NSURL *filePath, NSError *error) {
NSLog(@"%@ %@", filePath, error);
if (fail) {
fail();
}
}];

[task resume];
}

+ (void)postUploadWithUrl:(NSString *)urlStr fileUrl:(NSURL *)fileURL fileName:(NSString *)fileName fileType:(NSString *)fileTye success:(void (^)(id responseObject))success fail:(void (^)())fail
{
// 本地上传给服务器时,没有确定的URL,不好用MD5的方式处理
AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];
manager.responseSerializer = [AFHTTPResponseSerializer serializer];
//@"http://localhost/demo/upload.php"
[manager POST:urlStr parameters:nil constructingBodyWithBlock:^(id<AFMultipartFormData> formData) {

//        NSURL *fileURL = [[NSBundle mainBundle] URLForResource:@"头像1.png" withExtension:nil];

// 要上传保存在服务器中的名称
// 使用时间来作为文件名 2014-04-30 14:20:57.png
// 让不同的用户信息,保存在不同目录中
//        NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
//        // 设置日期格式
//        formatter.dateFormat = @"yyyy-MM-dd HH:mm:ss";
//        NSString *fileName = [formatter stringFromDate:[NSDate date]];

//@"image/png"
[formData appendPartWithFileURL:fileURL name:@"uploadFile" fileName:fileName mimeType:fileTye error:NULL];

} success:^(AFHTTPRequestOperation *operation, id responseObject) {
if (success) {
success(responseObject);
}
} failure:^(AFHTTPRequestOperation *operation, NSError *error) {
if (fail) {
fail();
}
}];
}

+ (void)postUploadWithUrl:(NSString *)urlStr fileUrl:(NSURL *)fileURL success:(void (^)(id responseObject))success fail:(void (^)())fail
{
AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];
// AFHTTPResponseSerializer就是正常的HTTP请求响应结果:NSData
// 当请求的返回数据不是JSON,XML,PList,UIImage之外,使用AFHTTPResponseSerializer
// 例如返回一个html,text...
//
// 实际上就是AFN没有对响应数据做任何处理的情况
manager.responseSerializer = [AFHTTPResponseSerializer serializer];

// formData是遵守了AFMultipartFormData的对象
[manager POST:urlStr parameters:nil constructingBodyWithBlock:^(id<AFMultipartFormData> formData) {

// 将本地的文件上传至服务器
//        NSURL *fileURL = [[NSBundle mainBundle] URLForResource:@"头像1.png" withExtension:nil];

[formData appendPartWithFileURL:fileURL name:@"uploadFile" error:NULL];
} success:^(AFHTTPRequestOperation *operation, id responseObject) {
//        NSString *result = [[NSString alloc] initWithData:responseObject encoding:NSUTF8StringEncoding];
//
//        NSLog(@"完成 %@", result);
if (success) {
success(responseObject);
}
} failure:^(AFHTTPRequestOperation *operation, NSError *error) {
NSLog(@"错误 %@", error.localizedDescription);
if (fail) {
fail();
}
}];
}