php，// 简单的PHP查询验证示例，$username = 'admin';，$password = '123456';，if ($username == 'admin' && $password == '123456') {， echo "登录成功";，} else {， echo "用户名或密码错误";，}，``php，// 简单的PHP查询验证示例，$username = 'admin';，$password = '123456';，if ($username == 'admin' && $password == '123456') {， echo "登录成功";，} else {， echo "用户名或密码错误";，}，``Powered By Z-BlogPHP 1.7.3
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