PHP多图上传-白红宇

PHP多图上传

阅读量：4935 次

发布时间：2019-06-11

本文共 4394 字，大约阅读时间需要 14 分钟。

测试十图上传，不会出现重复文件！

admin_pic_upload.php 文件

<?php

include_once('admin_global.php');

if($_GET["AdminPurview"]!=""){

$db->Get_user_checkadmin($_COOKIE["AdminName"], $_COOKIE["password"], $_COOKIE["RndPassword"],$_GET["AdminPurview"]);

$Result = Trim($_GET["Result"]);

}

else{

echo "你没有处理该操作的权限";

exit();

}

if($_POST['upload_submit']){

$pic_upload=$_POST['pic_upload'];

$pic_alt=$_POST['pic_alt'];

$pic_thumb=$_POST['pic_thumb'];

$thumb_width=$_POST['thumb_width'];

$thumb_height=$_POST['thumb_height'];

foreach($_FILES['pic_upload']['tmp_name'] as $key=>$value){

if(empty($value)){continue;}

$value_arr=array('');

$pic_info=array('');

//有图则上传图片

if(is_uploaded_file($value)){

$pic_thumb=intval($pic_thumb[$key]);

$thumb_width=empty($thumb_width[$key])?$_sys['thump_width']:intval($thumb_width[$key]);

$thumb_height=empty($thumb_height[$key])?$_sys['thump_height']:intval($thumb_height[$key]);

$pic_info['tmp_name']=$value;

$pic_info['size']=$_FILES['pic_upload']['size'][$key];

$pic_info['type']=$_FILES['pic_upload']['type'][$key];

$pic_info['name']=$_FILES['pic_upload']['name'][$key];

//调用图片上传函数

$value_arr=upload_pic($pic_info,array('image/gif','image/jpeg','image/png','image/jpg','image/bmp','image/pjpeg'),'upload',1024,$pic_thumb,$thumb_width,$thumb_height,0,1);

//入库

$pic_name=$value_arr['pic_name'];//图片名称空

$pic_ext=$value_arr['pic_ext'];//图片扩展名

$pic_title = $pic_alt[$k];//图片描述

$pic_size = $value_arr['pic_size'];//图片大小

$pic_dir = $value_arr['pic_dir'];//上传路径

$pic_time = $value_arr['pic_time'];//上传时间

$pic_thumb = $value_arr['thumb'];//缩略图

$sql="INSERT INTO `sy919_uploadpic`(pic_name,pic_ext,pic_alt,pic_size,pic_dir,pic_thumb,pic_time) VALUES ('".$pic_name."','".$pic_ext."','".$pic_alt."','".$pic_size."','".$pic_dir."','".$pic_thumb."','".$pic_time."')";

mysql_query($sql);

}

页面

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<head>

</head>

<body>

<tr>

</tr>

<tr>

<td width="75%"><input name="upload_num" value="1" id="upload_num" style="width:30px;padding:2px 0;" /> <input type="submit" id="add_num" value="增加" />(允许上传的图片类型:)</td>

</tr>

<?php

$upload_num=$_POST["upload_num"]?$_POST["upload_num"]:1;

for($i=0;$i<$upload_num;$i++){

<tr>

图片说明(alt)：<input type="text" name="pic_alt[]" />

缩略图：<input type="checkbox" value="1" name="pic_thumb[]" style="margin:0 5px;" />

宽：<input name="thumb_width[]" id="thumb_width" value="" style="margin:0 5px; width:40px;" />px

高：<input name="thumb_height[]" id="thumb_height" style="margin:0 5px; width:40px;" value="" />px</td>

</tr>

<?php }?>

<tr>

</tr>

</table>

</form>

</div>

</body>

</html>

upload_pic函数

function upload_pic($pic_info,$pic_typelimt,$upload_path='upload/img/',$pic_maxsize=1024,$pic_thumb=0,$thumb_width='100',$thumb_height='100',$watermark=0,$watertype=1){

if(is_uploaded_file($pic_info['tmp_name'])){

$oldpic_info=pathinfo($pic_info['name']);//原始图片名称

$pic_type=$pic_info['type']; //图片类型

if(!is_dir($upload_path)){

show_msg('目录不存在','',10);

exit();

}

$pic_dir="upload/img/".date('Ymd').'/'; //建立保存图片路径

if(!is_dir($pic_dir)){

mkdir($pic_dir);

}

$_num=1;