[moka同學代碼]PHP初級知識：上傳檔案源碼

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1.目錄結構

 　　　　

2.index.php

<html><head>    <meta charset="utf-8">    <title>上傳檔案</title></head><body><form action="upload.php" method="post" enctype="multipart/form-data">    <label for="file">檔案名稱</label>    <input type="file" name="file" id="file"><br>    <input type="submit" value="提交"></form></body></html>

3.upload.php

<?php//上傳檔案代碼//核心代碼：/*if($_FILES[‘file‘][‘error‘]>0){    echo   ‘錯誤：‘.$_FILES[‘file‘][‘error‘].‘<br>‘;}else{    echo ‘上傳檔案名稱：‘.$_FILES[‘file‘][‘name‘].‘<br>‘;    echo ‘檔案名稱類型：‘.$_FILES[‘file‘][‘type‘].‘<br>‘;    echo ‘檔案大小：‘.($_FILES[‘file‘][‘size‘]/1024).‘kb<br>‘;    echo ‘檔案臨時存放地址：‘.$_FILES[‘file‘][‘tem_name‘];}*///上傳檔案所需要的代碼，但是在上傳之前需要對檔案進行判斷限制，大小，類型等//允許上海竄的圖片尾碼$allowedExts = array("gif", "jpeg", "jpg", "png");$temp = explode(".", $_FILES["file"]["name"]); //截取檔案尾碼$extension = end($temp); //檔案尾碼$type = $_FILES["file"]["type"];$size = $_FILES["file"]["size"];$error = $_FILES["file"]["error"];$name = $_FILES["file"]["name"];$tmp_name = $_FILES["file"]["tmp_name"];if (($type == "image/gif") || ($type == "image/jpeg") || ($type == "image/jpg") || ($type == "image/pjpeg") ||    ($type == "image/x-png") || ($type == "image/png") && $size < 2048 && in_array($extension, $allowedExts)) {    if ($error > 0) {        echo "錯誤：" . $error . ‘<br>‘;    } else {        echo "檔案名稱：" . $name . "<br>";        echo "檔案類型：" . $type . "<br>";        echo "檔案大小：" . ($size / 1024) . "kb<br>";        echo "臨時存放位置：" . $tmp_name;        //判斷存放檔案的目錄中是否存在該檔案，如果沒有，需要建立它，file的目錄許可權為777        if (file_exists("file/" . $name)) {            echo $name . "檔案已經存在。";        } else {            move_uploaded_file($tmp_name, ‘file/‘. $name);            echo "檔案儲存體在：" . "file/". $name;        }    }} else {    echo "非法檔案";}

 

[moka同學代碼]PHP初級知識：上傳檔案源碼