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增加 UA判断

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LyLme 2022-01-21 18:08:42 +08:00
parent b820cb8280
commit e1c1233c3e
1 changed files with 33 additions and 1 deletions
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34
include/common.php
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@ -1,4 +1,5 @@
<?php
header ("Content-type:text/html;charset=utf-8");
include_once 'config.php';
if(!$con =mysqli_connect($dbconfig['host'],$dbconfig['user'],$dbconfig['pwd'],$dbconfig['dbname'],$dbconfig['port'])) {
if(mysqli_connect_errno()==2002) {
@ -10,7 +11,38 @@ if(!$con =mysqli_connect($dbconfig['host'],$dbconfig['user'],$dbconfig['pwd'],$d
} else {
echo '连接数据库失败，['.mysqli_connect_errno().']'.mysqli_connect_error();
}
mysqli_query($con, "set names utf8");
}
// 判断UA
function isMobile() {
// 如果有HTTP_X_WAP_PROFILE则一定是移动设备
if (isset($_SERVER['HTTP_X_WAP_PROFILE'])) {
return true;
}
// 如果via信息含有wap则一定是移动设备,部分服务商会屏蔽该信息
if (isset($_SERVER['HTTP_VIA'])) {
// 找不到为flase,否则为true
return stristr($_SERVER['HTTP_VIA'], "wap") ? true : false;
}
// 判断手机发送的客户端标志,兼容性有待提高。其中'MicroMessenger'是电脑微信
if (isset($_SERVER['HTTP_USER_AGENT'])) {
$clientkeywords = array('nokia', 'sony', 'ericsson', 'mot', 'samsung', 'htc', 'sgh', 'lg', 'sharp', 'sie-', 'philips', 'panasonic', 'alcatel', 'lenovo', 'iphone', 'ipod', 'blackberry', 'meizu', 'android', 'netfront', 'symbian', 'ucweb', 'windowsce', 'palm', 'operamini', 'operamobi', 'openwave', 'nexusone', 'cldc', 'midp', 'wap', 'mobile', 'MicroMessenger');
// 从HTTP_USER_AGENT中查找手机浏览器的关键字
if (preg_match("/(" . implode('|', $clientkeywords) . ")/i", strtolower($_SERVER['HTTP_USER_AGENT']))) {
return true;
}
}
// 协议法，因为有可能不准确，放到最后判断
if (isset($_SERVER['HTTP_ACCEPT'])) {
// 如果只支持wml并且不支持html那一定是移动设备
// 如果支持wml和html但是wml在html之前则是移动设备
if ((strpos($_SERVER['HTTP_ACCEPT'], 'vnd.wap.wml') !== false) && (strpos($_SERVER['HTTP_ACCEPT'], 'text/html') === false || (strpos($_SERVER['HTTP_ACCEPT'], 'vnd.wap.wml') < strpos($_SERVER['HTTP_ACCEPT'], 'text/html')))) {
return true;
}
}
return false;
}
if (ismobile() == true) {$ua = 'wap';}else {$ua = 'pc';}
?>