批量上传

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开始学习Objc20多天了，最近在弄多文件上传，在网上找了些代码，只是单文件的，折腾了两天，终于改成多文件上传的了。
xcode 6.1
iOS 8.0测试成功
希望别的人不要像我一样花时间在修改上。时间就是生命啊。。
[objc] view plaincopy在CODE上查看代码片派生到我的代码片
+(NSString *)PostImagesToServer:(NSString *) strUrl dicPostParams:(NSMutableDictionary *)params dicImages:(NSMutableDictionary *) dicImages{ 
    NSString * res; 
     
     
    //分界线的标识符 
    NSString *TWITTERFON_FORM_BOUNDARY = @"AaB03x"; 
    //根据url初始化request 
    //NSMutableURLRequest* request = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:strUrl] cachePolicy:NSURLRequestReloadIgnoringLocalCacheData timeoutInterval:10]; 
     
    NSURL *url = [NSURL URLWithString:strUrl]; 
    NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url]; 
    //分界线 --AaB03x 
    NSString *MPboundary=[[NSString alloc]initWithFormat:@"--%@",TWITTERFON_FORM_BOUNDARY]; 
    //结束符 AaB03x-- 
    NSString *endMPboundary=[[NSString alloc]initWithFormat:@"%@--",MPboundary]; 
    //要上传的图片 
    UIImage *image;//=[params objectForKey:@"pic"]; 
    //得到图片的data 
    //NSData* data = UIImagePNGRepresentation(image); 
    //http body的字符串 
    NSMutableString *body=[[NSMutableString alloc]init]; 
    //参数的集合的所有key的集合 
    NSArray *keys= [params allKeys]; 
     
    //遍历keys 
    for(int i=0;i<[keys count];i++) { 
        //得到当前key 
        NSString *key=[keys objectAtIndex:i]; 
        //如果key不是pic，说明value是字符类型，比如name：Boris 
        //if(![key isEqualToString:@"pic"]) { 
            //添加分界线，换行 
            [body appendFormat:@"%@\r\n",MPboundary]; 
            //添加字段名称，换2行 
            [body appendFormat:@"Content-Disposition: form-data; name=\"%@\"\r\n\r\n",key]; 
            //[body appendString:@"Content-Transfer-Encoding: 8bit"]; 
            //添加字段的值 
            [body appendFormat:@"%@\r\n",[params objectForKey:key]]; 
        //} 
    } 
    ////添加分界线，换行 
    //[body appendFormat:@"%@\r\n",MPboundary]; 
     
    //声明myRequestData，用来放入http body 
    NSMutableData *myRequestData=[NSMutableData data]; 
    //将body字符串转化为UTF8格式的二进制 
    [myRequestData appendData:[body dataUsingEncoding:NSUTF8StringEncoding]]; 
     
    //循环加入上传图片 
    keys = [dicImages allKeys]; 
    for(int i = 0; i< [keys count] ; i++){ 
        //要上传的图片 
        image = [dicImages objectForKey:[keys objectAtIndex:i ]]; 
        //得到图片的data 
        NSData* data =  UIImageJPEGRepresentation(image, 0.0); 
        NSMutableString *imgbody = [[NSMutableString alloc] init]; 
        //此处循环添加图片文件 
        //添加图片信息字段 
        //声明pic字段，文件名为boris.png 
        //[body appendFormat:[NSString stringWithFormat: @"Content-Disposition: form-data; name=\"File\"; filename=\"%@\"\r\n", [keys objectAtIndex:i]]]; 
         
        ////添加分界线，换行 
        [imgbody appendFormat:@"%@\r\n",MPboundary]; 
        [imgbody appendFormat:@"Content-Disposition: form-data; name=\"File%d\"; filename=\"%@.jpg\"\r\n", i, [keys objectAtIndex:i]]; 
        //声明上传文件的格式 
        [imgbody appendFormat:@"Content-Type: application/octet-stream; charset=utf-8\r\n\r\n"]; 
         
        NSLog(@"上传的图片：%d  %@", i, [keys objectAtIndex:i]); 
         
        //将body字符串转化为UTF8格式的二进制 
        //[myRequestData appendData:[body dataUsingEncoding:NSUTF8StringEncoding]]; 
        [myRequestData appendData:[imgbody dataUsingEncoding:NSUTF8StringEncoding]]; 
        //将image的data加入 
        [myRequestData appendData:data]; 
        [myRequestData appendData:[ @"\r\n" dataUsingEncoding:NSUTF8StringEncoding]]; 
    } 
    //声明结束符：--AaB03x-- 
    NSString *end=[[NSString alloc]initWithFormat:@"%@\r\n",endMPboundary]; 
    //加入结束符--AaB03x-- 
    [myRequestData appendData:[end dataUsingEncoding:NSUTF8StringEncoding]]; 
     
    //设置HTTPHeader中Content-Type的值 
    NSString *content=[[NSString alloc]initWithFormat:@"multipart/form-data; boundary=%@",TWITTERFON_FORM_BOUNDARY]; 
    //设置HTTPHeader 
    [request setValue:content forHTTPHeaderField:@"Content-Type"]; 
    //[request setValue:@"keep-alive" forHTTPHeaderField:@"connection"]; 
    //[request setValue:@"UTF-8" forHTTPHeaderField:@"Charsert"]; 
    //设置Content-Length 
    [request setValue:[NSString stringWithFormat:@"%lu", (unsigned long)[myRequestData length]] forHTTPHeaderField:@"Content-Length"]; 
    //设置http body 
    [request setHTTPBody:myRequestData]; 
    //http method 
    [request setHTTPMethod:@"POST"]; 
     
    //建立连接，设置代理 
    //NSURLConnection *conn = [[NSURLConnection alloc] initWithRequest:request delegate:self]; 
     
    //设置接受response的data 
         NSData *mResponseData; 
    NSError *err = nil; 
    mResponseData = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:&err]; 
     
    if(mResponseData == nil){ 
        NSLog(@"err code : %@", [err localizedDescription]); 
    } 
    res = [[NSString alloc] initWithData:mResponseData encoding:NSUTF8StringEncoding]; 
    /*
    if (conn) {
        mResponseData = [NSMutableData data];
        mResponseData = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:&err];
        
        if(mResponseData == nil){
            NSLog(@"err code : %@", [err localizedDescription]);
        }
        res = [[NSString alloc] initWithData:mResponseData encoding:NSUTF8StringEncoding];
    }else{
        res = [[NSString alloc] init];
    }*/ 
    NSLog(@"服务器返回：%@", res); 
    return res; 
}

批量上传

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原文地址：http://www.cnblogs.com/linxiu-0925/p/5224841.html