iOS进阶_WebDav(五.WebDav的上传进度&多线程下载思路)

WebDav的上传进度

#import "ViewController.h"

@interface ViewController ()<NSURLSessionTaskDelegate>
/** 会话  */
@property(nonatomic,strong)NSURLSession * session;
@end

@implementation ViewController

-(NSURLSession *)session
{
    if (!_session) {
        NSURLSessionConfiguration * config = [NSURLSessionConfiguration defaultSessionConfiguration];
        _session = [NSURLSession sessionWithConfiguration:config delegate:self delegateQueue:nil];
    }
    return _session;
}

- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event {
    [self putUpload]; 
}

#pragma mark - <上传演练>
-(void)putUpload{
    //1.url - URL是直接保存在服务器上的文件名
    NSURL * url = [NSURL URLWithString:@"http://192.168.31.180/uploads/123.wmv"];
    //2.请求
    NSMutableURLRequest * request = [NSMutableURLRequest requestWithURL:url];
    //设置请求方法-webdav上传需要使用put方法
    request.HTTPMethod = @"PUT";
    //设置身份验证的数据
    NSString * authStr = [self base64Encode:@"admin:123456"];
    authStr = [@"BASIC " stringByAppendingString:authStr];
    //设置请求头
    [request setValue:authStr forHTTPHeaderField:@"Authorization"];

    //3.session
    //上传的源文件的路径!!
    NSURL * fileUrl = [[NSBundle mainBundle] URLForResource:@"abc.wmv" withExtension:nil];
    // 上传任务如果跟进进度,可以同时使用代码块Blcok的方式
    [[self.session uploadTaskWithRequest:request fromFile:fileUrl completionHandler:^(NSData * _Nullable data, NSURLResponse * _Nullable response, NSError * _Nullable error) {
        NSString * str = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];

        NSLog(@"%@ %@",str,response);

    }] resume];
}

#pragma mark - <代理>

/**
 参数:
 session
 task

 bytesSent                  本次发送的字节数
 totalBytesSent             已经发送的字节数
 totalBytesExpectedToSend   总字节数(文件总大小)
 */
-(void)URLSession:(NSURLSession *)session task:(NSURLSessionTask *)task didSendBodyData:(int64_t)bytesSent totalBytesSent:(int64_t)totalBytesSent totalBytesExpectedToSend:(int64_t)totalBytesExpectedToSend
{
    float progress = (float)totalBytesSent / totalBytesExpectedToSend;
    NSLog(@"%f %@",progress,[NSThread currentThread]);
}