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。。
+(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; }
时间: 2024-10-12 10:49:26