2016 - 1 - 24 NSURLSession （一）

- (void)download{
    NSURL*url = [NSURL URLWithString:@"http://120.25.226.186:32812/resources/images/minion_15.png"];
    
//    NSURLRequest *request = [NSURLRequest requestWithURL:url];
    
    NSURLSession *session = [NSURLSession sharedSession];
    
    // 创建TASK 下载到location中
    NSURLSessionDownloadTask *tast = [session downloadTaskWithURL:url completionHandler:^(NSURL * _Nullable location, NSURLResponse * _Nullable response, NSError * _Nullable error) {
        NSLog(@"%s",__func__);
        NSFileManager *fileManger = [NSFileManager defaultManager];
        
        // 设置下载的文件路径和文件名
        NSString *file = [[NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES) lastObject] stringByAppendingString:response.suggestedFilename];
        [fileManger moveItemAtURL:location toURL:[NSURL fileURLWithPath:file] error:nil];
        NSLog(@"%@",file);
    }];
        [tast resume];
}