zoukankan      html  css  js  c++  java
  • iOS Multipart上传单张图片

    #pragma mark - uploadFile
    - (void)uploadFile:(NSDictionary *)dic {
       
        NSURL *URL = [[NSURL alloc] initWithString:[NSString stringWithFormat:@"%@addVisitRecord",SERVER_ADDRESS]];
        request = [[NSMutableURLRequest alloc] initWithURL:URL cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval:30];
        NSString *boundary = @"wfWiEWrgEFA9A78512weF7106A";
        request.HTTPMethod = @"POST";
        request.allHTTPHeaderFields = @{@"Content-Type":[NSString stringWithFormat:@"multipart/form-data; boundary=%@",boundary]};
        //multipart/form-data格式按照构建上传数据
        NSMutableData *postData = [[NSMutableData alloc] init];
        for (NSString *key in dic) {
            NSString *pair = [NSString stringWithFormat:@"--%@ Content-Disposition: form-data; name="%@" ",boundary,key];
            [postData appendData:[pair dataUsingEncoding:NSUTF8StringEncoding]];
           
            id value = [dic objectForKey:key];
            if ([value isKindOfClass:[NSString class]]) {
                [postData appendData:[value dataUsingEncoding:NSUTF8StringEncoding]];
            } else if ([value isKindOfClass:[NSData class]]){
                [postData appendData:value];
            }
            [postData appendData:[@" " dataUsingEncoding:NSUTF8StringEncoding]];
        }
        //文件部分
        NSString *filename = [filePath lastPathComponent];
        NSString *contentType = AFContentTypeForPathExtension([filePath pathExtension]);
       
        NSString *filePair = [NSString stringWithFormat:@"--%@ Content-Disposition: form-data; name="%@"; filename="%@";Content-Type=%@ ",boundary,@"img",filename,contentType];
        [postData appendData:[filePair dataUsingEncoding:NSUTF8StringEncoding]];
       
        [postData appendData:self.imageSecondFile]; //加入文件的数据
       
        [postData appendData:[[NSString stringWithFormat:@" --%@-- ",boundary] dataUsingEncoding:NSUTF8StringEncoding]];
        request.HTTPBody = postData;
        [request setValue:[NSString stringWithFormat:@"%lu",(unsigned long)postData.length] forHTTPHeaderField:@"Content-Length"];
        _connection = [[NSURLConnection alloc] initWithRequest:request delegate:self];
        [_connection start];
    }
    #pragma mark - connection delegate
    -(void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response{
        NSLog(@"reveive Response: %@",response);
    }

    -(void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data{
        if (!_reveivedData) {
            _reveivedData = [[NSMutableData alloc]init];
        }
        [_reveivedData appendData:data];
    }

    -(void)connectionDidFinishLoading:(NSURLConnection *)connection{
        [[CRMDatahandle shareDataHandle] saveLocalData:@"REFRESH_PLAY" value:@"YES"];
        NSError *err;
        NSDictionary *note = [NSJSONSerialization JSONObjectWithData:_reveivedData  options:NSJSONReadingMutableContainers error:&err];
        if ([note[@"success"] integerValue] == 1) {
            [CRMDatahandle hudWithText:@"添加成功!" atView:self.view];
            [[IQKeyboardManager sharedManager] setEnable:NO];
            [NSTimer scheduledTimerWithTimeInterval:1 target:self selector:@selector(succesPaly) userInfo:nil repeats:NO];
        }
      
    }
  • 相关阅读:
    【2017 Multi-University Training Contest
    【2017 Multi-University Training Contest
    【Uva 1543】Telescope
    Information centric network (icn) node based on switch and network process using the node
    JQuery实现放大镜
    JQuery实现放大镜
    JS关闭浏览器 (不弹出提示框)
    JS关闭浏览器 (不弹出提示框)
    JS关闭浏览器 (不弹出提示框)
    MVC5 Controller构造方法获取User为空解决方法
  • 原文地址:https://www.cnblogs.com/tian-sun/p/5909930.html
Copyright © 2011-2022 走看看