PHP——上传文件
<!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>无标题文档</title>
</head>
<body>
<form action="chuli.php" method="post" enctype="multipart/form-data">
<input type="file" name="file" />
<input type="submit" value="上传"/>
</form>
<a href="../DotNET课程大纲.xlsx">下载文件</a>
</body>
</html>
<!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>无标题文档</title> </head> <body> <?php /*echo $_FILES["file"]["name"]."<br>"; echo $_FILES["file"]["type"]."<br>"; echo $_FILES["file"]["size"]."<br>"; echo $_FILES["file"]["tmp_name"]."<br>"; echo $_FILES["file"]["error"];*/ //1.判断是否出错 if($_FILES["file"]["error"]) { echo "文件上传出错!"; } else { //2.加限制条件 if(($_FILES["file"]["type"]=="image/jpeg" || $_FILES["file"]["type"]=="image/jpg") && $_FILES["file"]["size"]<=102400) { //3.造一个文件的存储路径 $str = date("YmdHisms",time()); $filename = "./images/".$str.$_FILES["file"]["name"]; //4.判断文件是否存在 if(file_exists($filename)) { echo "该文件已经存在!"; } else { //5.移动文件 move_uploaded_file($_FILES["file"]["tmp_name"],iconv("UTF-8","gb2312",$filename)); echo "该文件成功上传,保存在了:".$filename; echo "<div style='height:300px;width:300px'><img src=$filename /></div>"; } } else { echo "文件不符合要求!"; } } ?> </body> </html>