$_FILES['uploadImg']['name'] 点击提交按钮后找不到

Question

我想从我的电脑上传 img 到我的网站。当我点击输入类型 "file" 时，我可以添加 img 并且可以看到它的名称。但是当我点击上传时 "please add image" 显示。

if (!empty($_POST["uploadImg"])) {
 echo "button was clicked! " 
if (!empty($_FILES['profileImg']['name'])) {
  echo "it works!!!";
} else {
    echo "please add image";
}}

HTML:

    <form method="post" action="" class="edit_profile">           
    <!-- profielfoto -->
    <img src="<?php echo "none"; //$profile[1]['image_name'] 
                ?>" alt="Profielfoto">
    <input type="file" name="profileImg" id="profileImg" class="new_avatar" accept="image/gif, image/jpeg, image/png, image/jpg">
    <!--button-->
    <input type="submit" name="uploadImg" class="btn" value="Upload Image">

Answer 1

尝试改变

<form method="post" action="" class="edit_profile">

至

<form method="post" action="" class="edit_profile" enctype="multipart/form-data">

$_FILES['uploadImg']['name'] 点击提交按钮后找不到

$_FILES['uploadImg']['name'] can't be found after clicked on submit button

php

upload

post

file-upload

file