iOS AFN

本文主要是介绍iOS AFN，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！

#define kActivityList @"http://project.lanou3g.com/teacher/yihuiyun/lanouproject/activitylist.php"  // 活动列表 get#define kNewsListURL @"http://ipad-bjwb.bjd.com.cn/DigitalPublication/publish/Handler/APINewsList.ashx"  // post请求
#define kNewsListParam @"date=20151102&startRecord=1&len=30&udid=1234567890&terminalType=Iphone&cid=213" //body#define kImageURL @"http://image.zcool.com.cn/56/13/1308200901454.jpg" // 图片, 下载用#define kSearchURL @"http://api.map.baidu.com/place/v2/search?query=肯德基&region=北京&output=json&ak=6E823f587c95f0148c19993539b99295" // 带汉字的接口, 需要转码

post请求

// POST
- (void)post
{// 1.创建AFN管理者AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];// 2.利用AFN管理者发送请求NSDictionary *params = @{@"date" : @"20151102",@"startRecord" : @"1",@"len" : @"30",@"udid" : @"1234567890",@"terminalType" : @"Iphone",@"cid" : @"213"};// date=20151102&startRecord=1&len=30&udid=1234567890&terminalType=Iphone&cid=213[manager POST:kNewsListURL parameters:params success:^(NSURLSessionDataTask *task, id responseObject) {NSLog(@"请求成功---%@", responseObject);} failure:^(NSURLSessionDataTask *task, NSError *error) {NSLog(@"请求失败---%@", error);}];
}

get请求

#pragma mark -- get请求
- (void)getjson
{
//    AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];
//    [manager GET:kActivityList parameters:nil success:^(NSURLSessionDataTask * _Nonnull task, id  _Nonnull responseObject) {
//        NSLog(@"%@", responseObject);  // 这个接口的类型是 text/html
//    } failure:^(NSURLSessionDataTask * _Nonnull task, NSError * _Nonnull error) {
//        NSLog(@"-----%@", error);
//    }];NSString *string = [kSearchURL stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLQueryAllowedCharacterSet]];NSLog(@"%@", string);NSURL *URL = [NSURL URLWithString:kActivityList];AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];manager.requestSerializer = [AFHTTPRequestSerializer serializer];[manager GET:URL.absoluteString parameters:nil success:^(NSURLSessionTask *task, id responseObject) {NSLog(@"JSON: %@", responseObject);} failure:^(NSURLSessionTask *operation, NSError *error) {NSLog(@"Error: %@", error);}];
}

文件上传

#pragma mark -- 文件上传
- (void)upload
{// 1.创建网络管理者AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];// 2.利用网络管理者上传数据NSDictionary *dict = @{@"username":@"Syl"};// formData: 专门用于拼接需要上传的数据[manager POST:@"http://120.25.226.186:32812/upload" parameters:dict
constructingBodyWithBlock:^void(id<AFMultipartFormData> formData) {/*Data: 需要上传的数据name: 服务器参数的名称fileName: 文件名称mimeType: 文件的类型*/UIImage *image =[UIImage imageNamed:@"hetu"];NSData *data = UIImagePNGRepresentation(image);[formData appendPartWithFileData:data name:@"file" fileName:@"hetu.png"mimeType:@"image/png"];/*NSURL *url = [NSURL fileURLWithPath:@"/Users/apple/Desktop/CertificateSigningRequest.certSigningRequest"];// 任意的二进制数据MIMEType application/octet-stream// [formData appendPartWithFileURL:url name:@"file" fileName:@"abc.cer"mimeType:@"application/octet-stream" error:nil];[formData appendPartWithFileURL:url name:@"file" error:nil];*/} success:^void(NSURLSessionDataTask * task, id responseObject) {// 请求成功NSLog(@"请求成功 %@", responseObject);} failure:^void(NSURLSessionDataTask * task, NSError * error) {  // 请求失败  NSLog(@"请求失败 %@", error);  }];
}

文件下载

#pragma mark -- 文件下载
// 执行下载文件的方法,可以监控下载进度
- (void)downLoadMonitor
{// 1.创建网络管理者// AFHTTPSessionManager 基于NSURLSessionAFHTTPSessionManager *manager = [AFHTTPSessionManager manager];// NSURLSessionConfiguration *configuration = [NSURLSessionConfiguration defaultSessionConfiguration];// 2.利用网络管理者下载数据// http://vss.waqu.com/dusdcsuang6u5btu/normal.mp4 视频的网址NSURLRequest *request = [NSURLRequest requestWithURL:[NSURL URLWithString:kImageURL]];/*destination- targetPath: 系统给我们自动写入的文件路径- block的返回值, 要求返回一个URL, 返回的这个URL就是剪切的位置的路径completionHandler- url :destination返回的URL == block的返回的路径*//*@property int64_t totalUnitCount;  需要下载文件的总大小@property int64_t completedUnitCount; 当前已经下载的大小*/NSProgress *progress = nil;NSURLSessionDownloadTask *downTask = [manager downloadTaskWithRequest:request progress:&progress destination:^NSURL *(NSURL *targetPath, NSURLResponse *response) {// 缓存文件,如果想将缓存文件存到磁盘 SDURLCacheNSString *cachesPath = [NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES) lastObject];NSString *path = [cachesPath stringByAppendingPathComponent:response.suggestedFilename];return [NSURL fileURLWithPath:path];} completionHandler:^(NSURLResponse *response, NSURL *filePath, NSError *error) {NSLog(@"%@",filePath.absoluteString);}];/* 要跟踪进度，需要使用 NSProgress，是在 iOS 7.0 推出的，专门用来跟踪进度的类！ NSProgress只是一个对象！如何跟踪进度！-> KVO 对属性变化的监听！ @property int64_t totalUnitCount;        总单位数 @property int64_t completedUnitCount;    完成单位数 */  // 给Progress添加监听 KVO  [progress addObserver:self forKeyPath:@"completedUnitCount"   options:NSKeyValueObservingOptionNew context:nil];  // 启动任务[downTask resume];  
}- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary<NSString *,id> *)change context:(void *)context
{}