PHP学习笔记——上传文件到服务端的文件夹下

环境

开发包:appserv-win32-2.5.10

服务器:Apache2.2

数据库:phpMyAdmin

语言:php5,java

平台:windows 10

需求

编写一个PHP脚本页面,可以向服务端上传文件或资源

代码

add.html

<table>
<form method="post" action="add_back.php" enctype="multipart/form-data">
<tr>
<th>作品名</th>
<td><input type="text" style="width:500px; height:30px;" name="w_name"/></td>
</tr>
<tr>
<th>压缩包</th>
<td><input type="file" name="apk_url"/></td>
</tr>
<tr>
<th>源码压缩包</th>
<td><input type="file" name="zip_url"/></td>
</tr>
<tr>
<th>预览图片</th>
<td><input type="file" name="img_url"/></td>
</tr>
<tr>
<th>简介</th>
<td><textarea name="about" style="width:500px;height:150px;"></textarea></td>
</tr>
<tr>
<th></th>
<td><input name="Fruit" type="checkbox" value="mztk" style="width:40px;" />我已阅读并同意<a href="#">免责条款</a></td>
</tr>
<tr>
<td></td>
<td><input class="sc" type="submit" value="上传" /> </td>
</tr>
</form>
</table>

add_back.php

<?php

        function GetRandStr($len)
{
$chars = array(
"a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k",
"l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v",
"w", "x", "y", "z", "A", "B", "C", "D", "E", "F", "G",
"H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R",
"S", "T", "U", "V", "W", "X", "Y", "Z", "0", "1", "2",
"3", "4", "5", "6", "7", "8", "9"
);
$charsLen = count($chars) - 1;
shuffle($chars);
$output = "";
for ($i=0; $i<$len; $i++)
{
$output .= $chars[mt_rand(0, $charsLen)];
}
return $output;
} error_reporting(0); //不会报错
session_start();
$u_id = $_SESSION["id"];//获取当前用户ID $apk_file = "../apk/";
$zip_file = "../zip/";//你可以加上,文件类型,大小等判断
$img_file = "../img/";//设置文件保存目录 注意包含 $time = date('Y-m-d H:i:s',time());//文件名加上时间码
$s = str_replace(' ', '', $time);//去掉空格
$s = str_replace(':','',$s);//去掉:
$btime = date('YmdHis',time());//文件名加上时间码 $name = $_POST['w_name']; //名称
$about = $_POST['about']; //关于 $apk = $_FILES['apk_url'][name];//获取文件名
$zip = $_FILES['zip_url'][name];//获取文件名
$img = $_FILES['img_url'][name];//获取文件名 $apk = substr($apk, -4);//取文件后缀
$zip = substr($zip, -4);
$img = substr($img, -4); $name = GetRandStr(5); $apk = $btime.$name.$apk ;//存储文件名=时间+随机符+后缀
$zip = $btime.$name.$zip ;
$img = $btime.$name.$img ; //echo $apk; //$_FILES['img']['tmp_name'],存的文件夹.存的名字
if(
move_uploaded_file($_FILES['apk_url']['tmp_name'], $apk_file.$apk) &&
move_uploaded_file($_FILES['zip_url']['tmp_name'], $zip_file.$zip) &&
move_uploaded_file($_FILES['img_url']['tmp_name'], $img_file.$img) ){
//echo "<center>您的文件已经上传完毕 上传图片预览: </center><br><center><img src='$img_file$img' height='200px' width='300px'></center>";
echo "保存成功!";
//插入数据库
include('../mysql.php');//连接数据库
session_start(); //获取当前用户
$u_id = $_SESSION["id"]; //echo $u_id;
//echo "<br/>";
//echo $name;
//echo "<br/>";
//echo $about;
//echo "<br/>";
//echo "第一个路径:$apk_file$apk";
//echo "<br/>";
//echo "第二个路径:$zip_file$zip";
//echo "<br/>";
//echo "第三个路径:$img_file$img";
//echo "<br/>"; $sql = "INSERT INTO word(w_id,u_id,w_name,apk_url,zip_url,img_url,about,w_time)VALUES('$btime$u_id','$u_id','$name','$apk_file$apk','$zip_file$zip','$img_file$img','$about','$time')";
if(mysql_query($sql,$conn)){
echo '写入数据库成功!<a href="user_zuoping.php">返回作品</a>';
} else {
echo '写入数据库失败,已删除保存文件!<a href="javascript:history.back(-1);">返回</a>';
unlink ($apk_file.$apk);
unlink ($zip_file.$zip);
unlink ($img_file.$img);
}
}else{
echo '保存失败!<a href="javascript:history.back(-1);">返回</a>';
//$myfile路径如:zip/2015-09-16142918 s.jpg
unlink ($apk_file.$apk);
unlink ($zip_file.$zip);
unlink ($img_file.$img);
}
?>

PHP学习笔记——上传文件到服务端的文件夹下

PHP学习笔记——上传文件到服务端的文件夹下

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