AFNetworking2.5使用详解
官网下载2.5版本：http://afnetworking.com/1.检测网络状态
+ (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
[ startMonitoring];
// 检测网络连接的单例,网络变化时的回调方法
[ setReachabilityStatusChangeBlock:^(AFNetworkReachabilityStatus status) {
NSLog(@"%ld", status);
}];
}2.JSON方式获取数据
+ (void)JSONDataWithUrl:(NSString *)url success:(void (^)(id json))success fail:(void (^)())fail;
{
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();
}
}];
}3.xml方式获取数据
+ (void)XMLDataWithUrl:(NSString *)urlStr success:(void (^)(id xml))success fail:(void (^)())fail
{
AFHTTPRequestOperationManager *manager = ;
// 返回的数据格式是XML
manager.responseSerializer = ;
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();
}
}];
}4.post提交json数据
+ (void)postJSONWithUrl:(NSString *)urlStr parameters:(id)parameters success:(void (^)(id responseObject))success fail:(void (^)())fail
{
AFHTTPRequestOperationManager *manager = ;
// 设置请求格式
manager.requestSerializer = ;
// 设置返回格式
manager.responseSerializer = ;
[manager POST:urlStr parameters:parameters success:^(AFHTTPRequestOperation *operation, id responseObject) {
// NSString *result = [ initWithData:responseObject encoding:NSUTF8StringEncoding];
if (success) {
success(responseObject);
}
} failure:^(AFHTTPRequestOperation *operation, NSError *error) {
NSLog(@"%@", error);
if (fail) {
fail();
}
}];
}5.下载文件
+ (void)sessionDownloadWithUrl:(NSString *)urlStr success:(void (^)(NSURL *fileURL))success fail:(void (^)())fail
{
NSURLSessionConfiguration *config = ;
AFURLSessionManager *manager = [ initWithSessionConfiguration:config];
NSString *urlString = ;
NSURL *url = ;
NSURLRequest *request = ;
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);
NSString *path = ;
// URLWithString返回的是网络的URL,如果使用本地URL,需要注意
// NSURL *fileURL1 = ;
NSURL *fileURL = ;
// NSLog(@"== %@ |||| %@", fileURL1, fileURL);
if (success) {
success(fileURL);
}
return fileURL;
} completionHandler:^(NSURLResponse *response, NSURL *filePath, NSError *error) {
NSLog(@"%@ %@", filePath, error);
if (fail) {
fail();
}
}];
;
}6.文件上传－自定义上传文件名
+ (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 = ;
manager.responseSerializer = ;
//@"http://localhost/demo/upload.php"
[manager POST:urlStr parameters:nil constructingBodyWithBlock:^(id<AFMultipartFormData> formData) {
// NSURL *fileURL = [ 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 = [ init];
// // 设置日期格式
// formatter.dateFormat = @"yyyy-MM-dd HH:mm:ss";
// NSString *fileName = ];
//@"image/png"
;
} success:^(AFHTTPRequestOperation *operation, id responseObject) {
if (success) {
success(responseObject);
}
} failure:^(AFHTTPRequestOperation *operation, NSError *error) {
if (fail) {
fail();
}
}];
}7.文件上传－随机生成文件名
+ (void)postUploadWithUrl:(NSString *)urlStr fileUrl:(NSURL *)fileURL success:(void (^)(id responseObject))success fail:(void (^)())fail
{
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 = ;
// 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 = [ URLForResource:@"头像1.png" withExtension:nil];
;
} success:^(AFHTTPRequestOperation *operation, id responseObject) {
// NSString *result = [ 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();
}
}];
}
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