_POST [' submit']））{ // 检查提交按钮是否按下提交名称//

_POST['submit'])){ //check if submit button with name submit pressed//

file =

file =

_FILES [ ' file']; // 使用名称文件保存从[input type = file]上传的文件//

_FILES['file']; //save file uploaded from [input type= file] with name file//