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ecshop添加上传图片的方法

钱锦宏2025-01-06 15:05:11ecshop商城教程已有人查阅

导读基础cls_images.php: function upload_image(){}$_FILES 输出值：Array ( [group_thumb_url] => Array ( [name] => [type] => [tmp_name] => [error] => 4 [size] => 0 ) )

基础

cls_images.php: function upload_image(){}
$_FILES 输出值：Array ( [group_thumb_url] => Array ( [name] => [type] => [tmp_name] => [error] => 4 [size] => 0 ) )

实际操作
html代码：

<form method="post" action="group_buy.php?act=insert_update" name="theForm" onsubmit="return validate()" enctype="multipart/form-data">
<input type="file" name="group_thumb_url" size="35" />
</form>

注意：enctype="multipart/form-data" 不能丢掉
php代码

include_once(ROOT_PATH . '/includes/cls_image.php'); /*必须加上*/
$image = new cls_image($_CFG['bgcolor']);
$group_thumb_name = 'group_'.time().'.jpg'; /*图片名称命名*/
$upload_image= basename($image->upload_image($_FILES['group_thumb_url'],'group',$group_thumb_name));
if(!empty($upload_image)){ /*判断是否有新的文件上传*/
$group_thumb = $upload_image;
}
cls_images.php
function upload_image($upload, $dir = '', $img_name = '')
{
/* 没有指定目录默认为根目录images */
if (empty($dir))
{
/* 创建当月目录 */
$dir = date('Ym');
$dir = ROOT_PATH . $this->images_dir . '/' . $dir . '/';
}
else
{
/* 创建目录 */
//$dir = ROOT_PATH . $this->data_dir . '/' . $dir . '/';
$dir = ROOT_PATH .'/images/'. $dir; /*新增 文件只想地址是跟目录下images/ */
if ($img_name)
{
$img_name = $dir . $img_name; // 将图片定位到正确地址
}
}
/* 如果目标目录不存在，则创建它 */
if (!file_exists($dir))
{
if (!make_dir($dir))
{
/* 创建目录失败 */
$this->error_msg = sprintf($GLOBALS['_LANG']['directory_readonly'], $dir);
$this->error_no = ERR_DIRECTORY_READONLY;
return false;
}
}
if (empty($img_name))
{
$img_name = $this->unique_name($dir);
$img_name = $dir . $img_name . $this->get_filetype($upload['name']);
}
if (!$this->check_img_type($upload['type']))
{
$this->error_msg = $GLOBALS['_LANG']['invalid_upload_image_type'];
$this->error_no = ERR_INVALID_IMAGE_TYPE;
return false;
}
/* 允许上传的文件类型 */
$allow_file_types = '|GIF|JPG|JEPG|PNG|BMP|SWF|';
if (!check_file_type($upload['tmp_name'], $img_name, $allow_file_types))
{
$this->error_msg = $GLOBALS['_LANG']['invalid_upload_image_type'];
$this->error_no = ERR_INVALID_IMAGE_TYPE;
return false;
}
if ($this->move_file($upload, $img_name))
{
return str_replace(ROOT_PATH, '', $img_name);
}
else
{
$this->error_msg = sprintf($GLOBALS['_LANG']['upload_failure'], $upload['name']);
$this->error_no = ERR_UPLOAD_FAILURE;
return false;
}
}

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