//创建会话
NSURLSession *session = [NSURLSessionsessionWithConfiguration:
//会话配置，导入协议，设置代理
[NSURLSessionConfiguration defaultSessionConfiguration] delegate:nil delegateQueue:nil];
//上传到哪个工程路径
NSURL*url = [NSURL URLWithString:@"http://localhost:8080/UpLoad/NewServlet"];
//设置请求
NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];
//请求方式
[request setHTTPMethod:@"POST"];
//资源束，上传内容
NSString *filePath = [[NSBundle mainBundle] pathForResource:@"11" ofType:@"jpg"];
//方式1
//转化为二进制流
NSData *data = [NSData dataWithContentsOfFile:filePath];
//设置上传任务
NSURLSessionUploadTask *task = [session uploadTaskWithRequest:request fromData:data completionHandler:^(NSData *_Nullabledata,NSURLResponse *_Nullableresponse,NSError *_Nullableerror) {
//返回文件上传成功与否
NSLog(@"data ---> %@",[[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding]);
}];
//方式2
//设置文件路径
NSURL*fileURL = [NSURL fileURLWithPath:filePath];
NSURLSessionUploadTask*task1 = [session uploadTaskWithRequest:request fromFile:fileURL completionHandler:^(NSData *_Nullabledata,NSURLResponse *_Nullableresponse,NSError *_Nullableerror) {
NSLog(@"data ---> %@",[[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding]);
//回到主线程刷新UI
[self.imageView performSelectorOnMainThread:@selector(setImage:) withObject:[UIImage imageWithContentsOfFile:filePath] waitUntilDone:NO];
}];
[task resume];
代理上传!!!
