多图上传

-(void)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

////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"];

//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"];

//    NSLog(@"%@",request);

//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]);

[self.view makeToast:@"服务器上传图片失败"];

}

res = [[NSString alloc] initWithData:mResponseData encoding:NSUTF8StringEncoding];

//    resid = mResponseData;

//    NSLog(@"服务器返回：%@", res);

//    if (![resid[@"code"] isEqualToString:@"000000"]) {

//        [self.view makeToast:@"上传失败请重新上传"];

//    }

NSLog(@"%@",res);

}