|
实现上传图片的功能
-
date_default_timezone_set("PRC");
- header("content-type:text/html;charset=utf-8");
- require_once("./function1.php");
- if(isset($_GET['act']) && ($_GET['act'] =="uploads")){
- //判断上传文件是否合法
- if(!is_uploaded_file($_FILES['avator'][tmp_name])){
- msg("上传文件不合法");
- }
- //判断文件大小
- $allowed_size = 2*1024*1024;
- if($_FILES['avator']['size']>$allowed_size){
- msg("上传的图片过大，请修改后重新上传");
- }
- //判断类型
- $allowed_type = array("jpg","bmp","gif","jpeg","png","zip","rar","txt");
- $path_info_arr = pathinfo($_FILES['avator']['name']);//取得文件类型的数组
- $extension = strtolower($path_info_arr['extension']);
- if(!in_array($extension,$allowed_type)){
- msg("上传的类型不允许");
- }
- //重命名
- if(!file_exists("./uploads/")){
- @mkdir("./uploads/",0777,true);
- }
- $new_name = date("YmdHis").rand(1000,9999).".".$extension;
- //移动
-
- $res = move_uploaded_file($_FILES['avator']['tmp_name'],"./uploads/{$new_name}");
- if($res){
-
- echo "查看上传的文件";
-
- }
- }else{
- ?>
-
-
- }
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