- 时间:2020-10-03 09:41 编辑: 来源: 阅读:
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摘要:影响PHP+MYSQL执行速度的写法对比第1/7页
[code]<?php
include_once("../db.php");
if($_GET[x2]==0 and $_GET[x1]==0)
{
$t=" s1='' ";
}else
{
if($_GET[x2]!=0)
{
$t=" x2='$_GET[x2]' ";
}else
if($_GET[x1]!=0)
{
$t=" x1='$_GET[x1]' and x2=0 ";
}
}
$query = "select count(*) from ask_member where $t ";
$result2 = mysql_db_query($DataBase, $query);
$r3 = mysql_fetch_array($result2);
$amount=$r3[0];
$page_size=5;
if($amount%$page_size==0 and $amount>0)
{
$pagecount=($amount/$page_size);
}else
{
$pagecount=intval($amount/$page_size)+1;
}
if($_GET
当前1/7页 [b]1[/b][url=http://www.1sucai.cn/article/5871_2.htm]2[/url][url=http://www.1sucai.cn/article/5871_3.htm]3[/url][url=http://www.1sucai.cn/article/5871_4.htm]4[/url][url=http://www.1sucai.cn/article/5871_5.htm]5[/url][url=http://www.1sucai.cn/article/5871_6.htm]6[/url][url=http://www.1sucai.cn/article/5871_7.htm]7[/url][url=http://www.1sucai.cn/article/5871_2.htm]下一页[/url][url=http://www.1sucai.cn/article/5871_all.htm]阅读全文[/url]