本文实例为大家分享了iOS通过http post上传图片的相关代码,供大家参考,具体内容如下
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//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; } |
以上就是本文的全部内容,希望对大家的学习有所帮助。