iOS通过http post上传图片
本文实例为大家分享了iOS通过httppost上传图片的相关代码,供大家参考,具体内容如下
//ASIFormDataRequest方式POST上传图片 -(NSDictionary*)addPicWithDictionary:(NSDictionary*)sugestDic{ NSDictionary*tempDic=nil; NSString*url=[NSStringstringWithFormat:@"http://182.50.0.62:8095/xianServer/upload/uploadImage?clientType=mobile"]; form=[[[ASIFormDataRequestalloc] initWithURL:[NSURLURLWithString:url]]autorelease]; [formsetTimeOutSeconds: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=[[NSStringalloc]initWithFormat:@"--%@",TWITTERFON_FORM_BOUNDARY]; //结束符AaB03x-- NSString*endMPboundary=[[NSStringalloc]initWithFormat:@"%@--",MPboundary]; //添加拍照图片 imageView.image=[UIImageimageNamed:@"btn_done_down@2x.png"]; NSData*data=UIImagePNGRepresentation(imageView.image); NSLog(@"%@",data); //httpbody的字符串 NSMutableString*body=[[NSMutableStringalloc]init]; //参数的集合的所有key的集合 NSArray*keys=[sugestDicallKeys]; //遍历keys for(inti=0;i<[keyscount];i++) { //得到当前key NSString*key=[keysobjectAtIndex:i]; //如果key不是pic,说明value是字符类型,比如name:Boris if(![keyisEqualToString:@"files"]) { //添加分界线,换行 [bodyappendFormat:@"%@\r\n",MPboundary]; //添加字段名称,换2行 [bodyappendFormat:@"Content-Disposition:form-data;name=\"%@\"\r\n\r\n",key]; //添加字段的值 [bodyappendFormat:@"%@\r\n",[sugestDicobjectForKey:key]]; } } if(imageView.image){ ////添加分界线,换行 [bodyappendFormat:@"%@\r\n",MPboundary]; //声明pic字段,文件名为boris.png [bodyappendFormat:@"Content-Disposition:form-data;name=\"files\";filename=\"boris.png\"\r\n"]; //声明上传文件的格式 [bodyappendFormat:@"Content-Type:image/png\r\n\r\n"]; } //声明结束符:--AaB03x-- NSString*end=[[NSStringalloc]initWithFormat:@"\r\n%@",endMPboundary]; //声明myRequestData,用来放入httpbody NSMutableData*myRequestData=[NSMutableDatadata]; //将body字符串转化为UTF8格式的二进制 [myRequestDataappendData:[bodydataUsingEncoding:NSUTF8StringEncoding]]; //将image的data加入 [myRequestDataappendData:data]; //加入结束符--AaB03x-- [myRequestDataappendData:[enddataUsingEncoding:NSUTF8StringEncoding]]; //设置HTTPHeader中Content-Type的值 NSString*content=[[NSStringalloc]initWithFormat:@"multipart/form-data;boundary=%@",TWITTERFON_FORM_BOUNDARY]; [formaddRequestHeader:@"Content-Type"value:content]; [formaddRequestHeader:@"Content-Length"value:[NSStringstringWithFormat:@"%d",[myRequestDatalength]]]; [formsetRequestMethod:@"POST"]; [formstartAsynchronous]; [formsetDidFailSelector:@selector(requestBeFailed:)]; [formsetDidFinishSelector:@selector(requestBeFinished:)]; //解析取得的结果 returntempDic; }
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