ZIP文件上传后自动解压程序源代码

				
				
				
				#upload.php 
				 
				 
				
				 
				如果是*.ZIP的文件会被自动解压缩 
				 
				 
				 
				 
				 
				 
				 
				 
				 
				 
				
				
				
				 
				 
				
				
								//upsave.php 
				//保存上传的文件 
				$filename="$MyFile_name"; 
				copy($MyFile,"$filename"); 
				unlink($MyFile); 
				
				//判断是否是ZIP文件 
				$expand_name=explode(".",$filename); 
				if($expand_name[1] == "zip" or $expand_name[1] == "ZIP") 
				{ 
				$str="pkunzip.exe -e $filename "; 
				exec($str); 
				unlink($filename); 
				} 
				
				?>