PHP商城笔记(文件上传4) —— 多文件上传案例

06.html

<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="utf-8">
    </head>
    <body>
    <h2>多文件上传案例</h2>
        <form action="07.php" method="post" enctype="multipart/form-data">
            用户名:<input type="text" name="username" value="" placeholder="" /><br >
            头像:<input type="file" name="pic" value="" placeholder=""><br >        
            艳照:<input type="file" name="hotpic" value="" placeholder=""><br >
            简历:<input type="file" name="resume" value="" placeholder=""><br >
            <input type="submit" name="" value="提交">
        </form>
        <!-- file不允许有value默认值 -->
    </body>
</html>

07.php

print_r($_FILES);
/*
Array
(
    [pic] => Array
        (
            [name] => WhatIsThat.png
            [type] => image/png
            [tmp_name] => D:\wamp64\tmp\php52DA.tmp
            [error] => 0
            [size] => 25444
        )

    [hotpic] => Array
        (
            [name] => ISCC.png
            [type] => image/png
            [tmp_name] => D:\wamp64\tmp\php52DB.tmp
            [error] => 0
            [size] => 127516
        )

    [resume] => Array
        (
            [name] => WhatIsThat.png
            [type] => image/png
            [tmp_name] => D:\wamp64\tmp\php52DC.tmp
            [error] => 0
            [size] => 25444
        )
)
*/

/*
多文件上传
*/
function mk_dir() {
    $dir = date('md/i',time());
    if(is_dir('./' . $dir)) {
        return $dir;
    } else {
        mkdir('./' . $dir,0777,true);
        return $dir;
    }
}

function getExt($file) {
    $tmp = explode('.',$file);
    return end($tmp);
}

function randName() {
    $str = 'abcdefghijklmnopqrstuvwxyz23456789';
    return substr(str_shuffle($str),0,6);
    //str_shuffle() 打乱字符串
}



foreach ($_FILES as $k=>$v) {
    // 拼接文件路径
    $path = './' . mk_dir() . '/' . randName() . '.' . getExt($v['name']);

    if($v['error'] != 0) {
        echo $k,'上传失败<br >';
        echo '错误代码是',$v['error'],'<br >';
        continue;
    }

    // 移动
    if(move_uploaded_file($v['tmp_name'],$path)) {
        print_r($v);
        echo '上传OK<br >';
    } else {
        echo 'fail';
    }
}
/*
Array ( [name] => hack.php.jpg [type] => image/jpeg [tmp_name] => D:\wamp64\tmp\php68BF.tmp [error] => 0 [size] => 34 ) 上传OK
Array ( [name] => ISCC.png [type] => image/png [tmp_name] => D:\wamp64\tmp\php68C0.tmp [error] => 0 [size] => 127516 ) 上传OK
Array ( [name] => WhatIsThat.png [type] => image/png [tmp_name] => D:\wamp64\tmp\php68D1.tmp [error] => 0 [size] => 25444 ) 上传OK
*/

// Notice: Array to string conversion
// 数组类型要用print_r

PHP商城笔记(文件上传4) —— 多文件上传案例

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