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                通過使用PHP的全局變量$_FILES,可以實現遠程服務器上傳文件。 第一個參數是表單input的名稱,第二個參數是文件的參數: $_FILES["file"]["name"] - 被上傳文件的名稱 $_FILES["file"]["type"] - 被上傳文件的類型 $_FILES["file"]["size"] - 被上傳文件的大小,以字節計 $_FILES["file"]["tmp_name"] - 存儲在服務器的文件的臨時副本的名稱 $_FILES["file"]["error"] - 由文件上傳導致的錯誤代碼 ``` public function FileUpload() { $uploadFileSize = $_FILES['upload']['size']; if($uploadFileSize >= 2097152){ // 限制文件大小,這里為2M return false; }else{ $extensions = array("jpg","jpeg","gif","png"); $uploadFileName = $_FILES['upload']['name']; $extension = pathInfo($uploadFileName,PATHINFO_EXTENSION); if(in_array($extension,$extensions)){ $uploadPath ="./img/images/images/uploadfile/"; $uuid = str_replace('.','',uniqid("",TRUE)).".".$extension; $path = $uploadPath.$uuid; move_uploaded_file($_FILES['upload']['tmp_name'],$path); }else{ return false; } } return true; } ```
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