php实现上传图片文件代码_PHP
代码很简单，这里我们就不多废话了，直接奉上源码
<?php
// 注册表单的姓名
$name="";
$nameErr="";
if ($_SERVER["REQUEST_METHOD"]=="POST") {
if (empty($_POST['name'])) {
}else{
$name=$_POST['name'];
if (!preg_match("/^[a-zA-Z]*$/", $name)) {
$nameErr="只允许字母和空格";
}else{
echo '姓名'.$name;
}
}
// 文件上传
if ((($_FILES["file"]["type"] == "image/gif")
|| ($_FILES["file"]["type"] == "image/jpeg")
|| ($_FILES["file"]["type"] == "image/pjpeg"))
&& ($_FILES["file"]["size"] < 2000000))
{
if ($_FILES["file"]["error"]>0) {
echo "错误：".$_FILES["file"]["error"]."<br/>";
}else{
echo "upload:".$_FILES["file"]["name"]."<br/>";
echo "type:".$_FILES["file"]["type"]."<br/>";
echo "size:".$_FILES["file"]["size"]."<br/>";
echo "stored in:".$_FILES["file"]["tmp_name"];
}
}else{
if (file_exists("weiwei/".$_FILES["file"]["name"])) {
echo $_FILES["file"]["name"]."上传成功.";
}else{
move_uploaded_file($_FILES["file"]["tmp_name"],
"weiwei/" . $_FILES["file"]["name"]);
echo "Stored in: " . "weiwei/" . $_FILES["file"]["name"];
}
echo "上传成功";
}
}
?>
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>注册表单</title>
</head>
<body>
<form action="" method="post" enctype="multipart/form-data">
姓名:<input type="text" name="name" value="">
<span class="error">* <?php echo $nameErr;?></span>
文件类型：<input type="file" name="file" id="file">
<img src="<?php echo "weiwei/".$_FILES['file']['name']? alt="php实现上传图片文件代码_PHP" >" alt="">
<input type="submit" name="sub" value="提交">
</form>
</body>
</html>
以上所述就是本文的全部内容了，希望大家能够喜欢。
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