//ASIFormDataRequest方式 POST上传图片
-(NSDictionary *)addPicWithDictionary:(NSDictionary *)sugestDic{
NSDictionary *tempDic=nil;
NSString *url=[NSString stringWithFormat:@\"http://182.50.0.62:8095/xianServer/upload/uploadImage?clientType=mobile\"];
form = [[[ASIFormDataRequest alloc]
initWithURL:[NSURL URLWithString:url]] autorelease];
[form setTimeOutSeconds:60.0];
form.delegate = self;
//添加拍照图
//分界线的标识符
NSString *TWITTERFON_FORM_BOUNDARY = @\"AaB03x\";
//分界线 --AaB03x
NSString *MPboundary=[[NSString alloc]initWithFormat:@\"--%@\",TWITTERFON_FORM_BOUNDARY];
//结束符 AaB03x--
NSString *endMPboundary=[[NSString alloc]initWithFormat:@\"%@--\",MPboundary];
//添加拍照图片
imageView.image=[UIImage imageNamed:@\"btn_done_down@2x.png\"];
NSData* data = UIImagePNGRepresentation(imageView.image);
NSLog(@\"%@\",data);
//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= [sugestDic 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:@\"files\"])
{
//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];
//添加字段的值
[body appendFormat:@\"%@\\r\\n\",[sugestDic objectForKey:key]];
}
}
if (imageView.image) {
////添加分界线，换行
[body appendFormat:@\"%@\\r\\n\",MPboundary];
//声明pic字段，文件名为boris.png
[body appendFormat:@\"Content-Disposition: form-data; name=\\\"files\\\"; filename=\\\"boris.png\\\"\\r\\n\"];
//声明上传文件的格式
[body appendFormat:@\"Content-Type: image/png\\r\\n\\r\\n\"];
}
//声明结束符：--AaB03x--
NSString *end=[[NSString alloc]initWithFormat:@\"\\r\\n%@\",endMPboundary];
//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]];
//将image的data加入
[myRequestData appendData:data];
//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];
[form addRequestHeader:@\"Content-Type\" value:content];
[form addRequestHeader:@\"Content-Length\" value:[NSString stringWithFormat:@\"%d\", [myRequestData length]]];
[form setRequestMethod:@\"POST\"];
[form startAsynchronous];
[form setDidFailSelector:@selector(requestBeFailed:)];
[form setDidFinishSelector:@selector(requestBeFinished:)];
// 解析取得的结果
return tempDic;
}