iOS通过http post上传图片

//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;   }
热门搜索

iOS通过http post上传图片
