需要 ASIHTTPRequest第三方库的童鞋请到我的资源下载 使用ASIHTTPRequest第三方库需要导入系统包如下： libz.1.2.5.dylib , MobileCoreServices.framework , SystemConfiguration.framework , CFNetwork.framework , CoreGraphics.framework 需要导入 ASIHTT需要ASIHTTPRequest第三方库的童鞋请到我的资源下载使用asihttprequest第三方库需要导入系统包如下：libz.1.2.5.dylib ,MobileCoreServices.framework ,SystemConfiguration.framework ,CFNetwork.framework ,CoreGraphics.framework需要导入ASIHTTPRequest包里的ASIFormDataRequest.h#import"ASIFormDataRequest.h"//上传图片-(void)uploadImages:(UIButton*)sender{NSData*data =UIImagePNGRepresentation (self.
img.
image);NSURL*url = [[NSURL alloc]initWithString:@"http://127.0.0.1/uploadFile/upload.php"];//以表格形式的请求对象ASIFormDataRequest*request = [[ASIFormDataRequest alloc]initWithURL:url];request.
delegate=self;立即学习“PHP免费学习笔记（深入）
”；
request.
requestMethod=@"POST";//设置请求方式//添加请求内容[request addData:data withFileName:[NSString stringWithFormat:@"%d.png",arc4random ()]andContentType:@"image/png"forKey:@"file"];//开始异步请求[request startAsynchronous];//如果成功则自动执行[request setDidFinishSelector:@selector (requestedSuccessfully)];//如果失败则自动执行[request setDidFailSelector:@selector (requestedFail)];}-(void)requestedSuccessfully{UIAlertView*alert = [[UIAlertView alloc]initWithTitle:@"提示"message:@"图片上传成功！
"delegate:nil cancelButtonTitle:@"确定"otherButtonTitles:nil];[alert show];}-(void)requestedFail{UIAlertView*alert = [[UIAlertView alloc]initWithTitle:@"提示"message:@"图片上传失败！
"delegate:nil cancelButtonTitle:@"确定"otherButtonTitles:nil];[alert show];}使用的php文件upload.php header("Content-type:text/html;charset=utf-8");print_r($_FILES['file']);$filename = $_FILES['file']['name'];if(!$_FILES['file']['error']){if(move_uploaded_file($_FILES['file']['tmp_name'],"./upload/".$filename)){echo "文件上传成功";}else{echo "文件上传失败le";}}else{echo "文件上传错误";}?>