PHP实现规范化文件上传_PHP

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PHP实现规范化文件上传

2017/5/29 0:31:15 cakin24 程序员俱乐部我要评论(0)

摘要：一代码<!DOCTYPEhtmlPUBLIC"-//W3C//DTDXHTML1.0Transitional//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><htmlxmlns="http://www.w3.org/1999/xhtml"><head><metahttp-equiv="Content-Type"content="text/html;charset=utf
标签：PHP 实现上传文件

一代码

class="php" name="code"><!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>规范化的文件上传</title>
<link href="css/style.css" rel="stylesheet" type="text/css" />
</head>
<body>
<table width="830" border="0" cellpadding="0" cellspacing="0">
  <tr>
    <td colspan="3"><img src="images/bg_01.jpg" width="830" height="133" /></td>
  </tr>
   <form action="" method="post" enctype="multipart/form-data">
  <tr>
    <td width="193" rowspan="4">&nbsp;</td>
    <td width="423" height="50">选择上传文件：
      <input type="hidden" name="MAX_FILE_SIZE" value="100000000" />
      <input type="file" name="up_picture"/>
</td>
    <td width="214" rowspan="4">&nbsp;</td>
  </tr>
  <tr>
    <td height="30" align="center"><span class="STYLE1">上传图片格式为（jpg）、大小为（2M）</span></td>
  </tr>
  <tr>
    <td height="50" align="center"><input type="image" name="imageField2" src="images/bg_09.jpg" />
    &nbsp;&nbsp;&nbsp;&nbsp;<input type="image" name="imageField3" src="images/bg_11.jpg" /></td>
  </tr>
    </form>
  <tr>
    <td height="70">
<?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!="jpeg"){
			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'],"."));		//定义上传文件名称和存储位置
			if(is_uploaded_file($_FILES['up_picture']['tmp_name'])){	//判断文件是否是HTPP POST上传
				if(!move_uploaded_file($_FILES['up_picture']['tmp_name'],$path)){	//执行上传操作
					echo "上传失败";
				}else{
					echo "文件:<span class='STYLE1'>".time().strtolower(strstr($_FILES['up_picture']['name'],"."))."</span>  上传成功，大小为：<span class='STYLE1'>".$_FILES['up_picture']['size']."</span> 字节";
				}
			}else{
				echo "上传文件:<span class='STYLE1'>".$_FILES['up_pictute']['name']."</span>不合法！";
			}
		}
	}
}
?>
</td>
  </tr>
  <tr>
    <td colspan="3"><img src="images/bg_14.jpg" width="830" height="30" /></td>
  </tr>
</table>
</body>
</html>