<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>规范的文件上传</title>
<style>
*{
margin:0 auto;
}
.div1{
width:830px;
height:133px;
background-image:url(images/bg_111.jpg);
}
.div2{
width:830px;
height:30px;
background-image:url(images/bg_110.jpg);
}
#upload
{
width:830px;
height:133px;
text-align:center;
margin-top:100px;
}
</style>
</head>
<body>
<div class="div1">
</div>
<div id="upload">
<form method="post" name="form1" action="index.php" enctype="multipart/form-data">
<input type="hidden" name="MAX_FILE_SIZE" value="100000000" />
选择上传文件：
<input type="file" name="up_picture" />
<input type="image" name="imageField2" src="images/bg_00.jpg" />
<input type="image" name="imageField3" src="images/bg_000.jpg" />
</form>
</div>
<center>
<?php
if(!empty($_FILES['up_picture']['name'])){ //判断上传内容是否为空
if($_FILES['up_picture']['error']>0){ //判断文件是否可以上传到服务器
echo"上传错误";
switch($_FILES['up_picture']['error']){
case 1:
echo"上传文件大小超出配置文件规定值";
break;
case 2:
echo"上传文件大小超出表单中约定值";
break;
case 3:
echo"上传文件不全";
break;
case 4:
echo"没有上传文件";
break;
}
}else{
list($maintype,$subtype)=explode("/",$_FILES['up_picture']['type']);
if($maintype!="image"&&$subtype!="pjpeg"){
echo"上传文件格式不正确";
}else{
if(!is_dir("./upfile/")){ //判断指定目录是否存在
mkdir("./upfile/"); //创建目录
}
$path='./upfile/'.time().strtolower(strstr($_FILES['up_picture']['name'],".")); //定义上传文件的名字和上传位置
if(is_uploaded_file($_FILES['up_picture']['tmp_name'])){ //判断文件是否是http.post上传
if(!move_uploaded_file($_FILES['up_picture']['tmp_name'],$path)){ //执行上传操作
echo"上传失败";
}else{
echo"上传成功";
}
}else{
echo"上传文件不合法";
}
}
}
}
?>
</center>
<div class="div2">
</div>
</body>
</html>
