一区二区久久-一区二区三区www-一区二区三区久久-一区二区三区久久精品-麻豆国产一区二区在线观看-麻豆国产视频

PHP支持多種格式圖片上傳(支持jpg、png、gif)

此處一次支持上傳2個圖片,上傳后生成原圖和質(zhì)量較差的圖,原圖用于保存質(zhì)量高的圖片,質(zhì)量差的圖用于網(wǎng)頁顯示。
php Code
復(fù)制代碼 代碼如下:
<?php
include_once("db.php");
include_once("dbinfo.php");
$connector = new nmdb($host, $username, $password);
$connector -> select_db($database);
$work_group = check_input($_POST['work_group']);
$name = check_input($_POST['name']);
$tel = check_input($_POST['tel']);
$id_card = check_input($_POST['id_card']);
$work_name = check_input($_POST['work_name']);
$place = check_input($_POST['place']);
$work1 = check_input($_POST['work1']);
date_default_timezone_set('PRC');
$date = date("Y-m-d H:i:s");
$quality = 100;
$quality2 = 70;
$quality_png = 9;
$quality2_png = 7;
if(isset($_FILES['work1']) && $_FILES['work1']['error']==0)
{
$size = getimagesize($_FILES['work1']['tmp_name']);
$original = $_FILES['work1']['tmp_name'];
$type = $_FILES['work1']['type'];
//echo $type;
$target_name = date('YmdHis').'_'.preg_replace('`[^a-z0-9-_.]`i','',$_FILES['work1']['name']);
$work1 = $target_name;
$target = dirname(__FILE__).'/uploads/'.$target_name;
switch($type)
{
case "image/jpeg":
$resultImage = imagecreatefromjpeg($original);
imagejpeg($resultImage, $target, $quality);
break;
case "image/png":
$resultImage = imagecreatefrompng($original);
imagepng($resultImage, $target, $quality_png);
break;
case "image/gif":
$resultImage = imagecreatefromgif($original);
imagegif($resultImage, $target, $quality);
break;
default :
die("不支持此文件類型");
exit;
}
$work1_small = $target_name;
$target = dirname(__FILE__).'/uploads/small/'.$target_name;
switch($type)
{
case "image/jpeg":
$resultImage = imagecreatefromjpeg($original);
imagejpeg($resultImage, $target, $quality2);
break;
case "image/png":
$resultImage = imagecreatefrompng($original);
imagepng($resultImage, $target, $quality2_png);
break;
case "image/gif":
$resultImage = imagecreatefromgif($original);
imagegif($resultImage, $target, $quality2);
break;
default :
die("不支持此文件類型");
exit;
}
}
if(isset($_FILES['work2']) && $_FILES['work2']['error']==0)
{
$size = getimagesize($_FILES['work2']['tmp_name']);
$original = $_FILES['work2']['tmp_name'];
$type = $_FILES['work2']['type'];
$target_name = date('YmdHis').'_'.preg_replace('`[^a-z0-9-_.]`i','',$_FILES['work2']['name']);
$work2 = $target_name;
$target = dirname(__FILE__).'/uploads/'.$target_name;
switch($type)
{
case "image/jpeg":
$resultImage = imagecreatefromjpeg($original);
imagejpeg($resultImage, $target, $quality);
break;
case "image/png":
$resultImage = imagecreatefrompng($original);
imagepng($resultImage, $target, $quality_png);
break;
case "image/gif":
$resultImage = imagecreatefromgif($original);
imagegif($resultImage, $target, $quality);
break;
default :
die("不支持此文件類型");
exit;
}
$work2_small = $target_name;
$target = dirname(__FILE__).'/uploads/small/'.$target_name;
switch($type)
{
case "image/jpeg":
$resultImage = imagecreatefromjpeg($original);
imagejpeg($resultImage, $target, $quality2);
break;
case "image/png":
$resultImage = imagecreatefrompng($original);
imagepng($resultImage, $target, $quality2_png);
break;
case "image/gif":
$resultImage = imagecreatefromgif($original);
imagegif($resultImage, $target, $quality2);
break;
default :
die("不支持此文件類型");
exit;
}
}
$sql="insert into photo(work_group,name,tel,id_card,work_name,place,work,work_small,date) values('$work_group','$name','$tel','$id_card','$work_name','$place','$work1','$work1_small','$date')";
//echo $sql;
$result = $connector -> query($sql) or die(mysql_error());
if($work2 != "" && $work2_small != null)
{
$sql2="insert into photo(work_group,name,tel,id_card,work_name,place,work,work_small,date) values('$work_group','$name','$tel','$id_card','$work_name','$place','$work2','$work2_small','$date')";
$result2 = $connector -> query($sql2) or die(mysql_error());
}
$connector -> close($connector);
$page="../upload.php";
echo "<script>alert('上傳成功!'); window.location = \"".$page."\";</script>";
?>

有些問題需要說明下:
JPEG圖像生成的圖像的質(zhì)量的是一個范圍從0(最低質(zhì)量,最小的文件大小)到100(最高質(zhì)量,最大文件大小)。而ImagePNG生成圖像的質(zhì)量范圍從0到9的,傳入的這個范圍以外的參數(shù)則該函數(shù)不會工作。
判斷上傳文件的類型,$type = $_FILES['work1']['type'];。
創(chuàng)建各種格式的圖片可以使用這些函數(shù):imagecreatefromjpeg()、imagecreatefrompng()、imagecreatefromgif()。

php技術(shù)PHP支持多種格式圖片上傳(支持jpg、png、gif),轉(zhuǎn)載需保留來源!

鄭重聲明:本文版權(quán)歸原作者所有,轉(zhuǎn)載文章僅為傳播更多信息之目的,如作者信息標(biāo)記有誤,請第一時間聯(lián)系我們修改或刪除,多謝。

主站蜘蛛池模板: 国产成人亚洲精品91专区高清 | 亚洲成a人片在线v观看 | 热久久久久久 | 爱五月| 亚洲精品9999久久久久 | 91精品啪在线观看国产 | 国内精品小视频 | 最新福利小视频在线播放 | 久久久精品影院 | 成人影院观看 | 国产精品免费入口视频 | xxx 日本韩国 | 国产一区二区高清 | 国产高清视频免费人人爱 | 四虎影视4hutv最新地址在线 | 国内精品视频在线播放 | 色在线视频观看 | 黄色视屏在线播放 | 一本色道久久综合亚洲精品加 | 久久久久久久久女黄9999 | 在线观看国产小视频 | 国产香蕉成人综合精品视频 | 五月天天堂网 | 黄色美女视频网站 | 东京加勒比中文字幕波多野结衣 | 国产精品成人亚洲 | 久久精品麻豆 | 区二区三区四区免费视频 | 亚洲韩国日本欧美一区二区三区 | 色综色天天综合网 | 手机在线看黄 | 中文字幕亚洲一区二区va在线 | 99色亚洲 | 国模大胆一区二区三区 | 国产乱来视频 | 五月亭亭免费高清在线 | 久草资源在线 | 爱做久久久久久久久久 | 久久伊人精品一区二区三区 | 久久婷婷网 | 精品视频在线播放 |