📄 articlelib.php
字号:
<?php
//articlelib.php 在article子目录下
require "lib.php";
$db = db_connect();
//返回论坛中所有文章的数目
function readnum()
{
global $db;
$sql = "select id from article where id>0";
$result = mysql_query($sql, $db);
$total = mysql_num_rows($result);
return $total;
}
//返回论坛中所有parent字段值为0的记录(一级父)
function readborder_parent()
{
global $db;
$sql = "select id,title,importtime,content,writer,click,adda,fl from article where parent='0' order by id desc";
$result = mysql_query($sql, $db) or db_error();
if ($result)
{
return $result;
}
else
{
return "";
}
}
//这里用到了两个数组,$infocontent_child, $infofamily_child
//$infocontent_child用来存储对应于一个一级父下的所有子文章
//infofamily_child用来存储这些文章之间的关系,如0表示一级父、1表示二级父、2表示三级父
//依次类推。以方便显示文章之间的关系
//返回对应于一级父下的所有子文章和这些文章的内在联系
$infocontent_child;
$infofamily_child;
function readborder_child($parent, $arragement)
{
global $db;
global $infocontent_child;
global $infofamily_child;
$sql = "select id,title,importtime,writer,content,click,adda,fl from article where parent='$parent' order by id desc";
$result = mysql_query($sql, $db) or db_error();
if ($result)
{
$i = 0;
while ($resarticle=mysql_fetch_array($result))
{
$nums = count($infocontent_child);
$infocontent_child[$nums] = $resarticle;
$nums = count($infofamily_child);
$infofamily_child[$nums] = $arragement;
if ($resarticle["id"] > 0)
{
$i++;
$parent = $resarticle["id"];
readborder_child($parent, $arragement+$i);
//递归调用
}
}
}
}
//这里用到了两个数组:$info_content, $info_family
//$info_content用来存储论坛所有的文章信息
//$info_family用来存储文章之间的关系
//该函数返回论坛中所有的文章,以及这些文章之间的关系
$info_content;
$info_family;
function readborder_all()
{
global $infocontent_child;
global $infofamily_child;
global $info_content;
global $info_family;
global $begin;
if (empty($begin))
{
$begin = 0;
}
$result_parent = readborder_parent();
//读出所有的一级父
if (!empty($result_parent))
{
while ($resarticle_parent = mysql_fetch_array($result_parent))
{
if ($resarticle_parent["id"] > 0)
{
//找出每一个一级父,再找出其所有与之关联的实体
$info_content[] = $resarticle_parent;
//一级父的info_family为0
$info_family[] = 0;
readborder_child($resarticle_parent["id"], 1);
if (is_array($infocontent_child) && is_array($infofamily_child))
{
$nums = count($infocontent_child);
for ($i=$begin; $i<$nums; $i++)
{
$info_content[] = $infocontent_child[$i];
$info_family[] = $infofamily_child[$i];
}
$begin = $nums;
}
}
}
}
}
//搜索文章可以按标题、内容、作者、时间等四种方式进行
//返回文章搜索的结果
function search_forum($style_search, $text_search)
{
global $db;
$sql = "select id,title,content,click,writer,importtime,adda,fl from article where ";
if ($text_search != "")
{
if ($style_search == "title")
{
$sql = $sql."title like '%$text_search%'";
}
if ($style_search == "content")
{
$sql = $sql."content like '%$text_search%'";
}
if ($style_search == "writer")
{
$sql = $sql."writer like '%$text_search%'";
}
if ($style_search == "fl")
{
$sql = $sql."fl like '%$text_search%'";
}
}
$result = mysql_query($sql, $db) or db_error();
if ($result)
{
return $result;
}
}
//用于将发表(或回复)的文章写入数据库中
function write_card($title, $content, $writer, $parent, $adda,$fl)
{
global $db;
if ($title != "")
{
//String_dowith, text_dowith分别调用了以前的函数
$title = string_dowith($title);
$content = text_dowith($content);
$importtime = date("Y-m-d H:i:s");
$click = 1;
$sql = "insert into article ";
$sql = $sql."(title,content,importtime,writer,click,parent,adda,fl)";
$sql = $sql." values('$title','$content','$importtime','$writer','$click','$parent','$adda','$fl')";
$result = mysql_query($sql, $db) or db_error();
}
}
function update_click($id)
{
global $db;
$sql = "update article set click=click+1 where id='$id'";
$result = mysql_query($sql, $db) or db_error();
}
function pri_page($formname, $fll, $nowpage, $num_page)
{
$nextpage=$nowpage+1;
$rewpage=$nowpage-1;
echo "<TABLE>";
echo "<TBODY>";
echo "<TR>";
echo "<TD width='50%' height='15'> </TD>";
echo "<TD width='10%' height='15'>";
echo "<DIV align='center'>";
if ($nowpage <= 1)
{
echo "首页</A>";
}
else
{
echo "<A href='..'>首页</A>";
}
echo "</DIV>";
echo "</TD>";
echo "<TD width='10%' height='15'>";
echo "<DIV align='center'>";
if ($nowpage <= 1)
{
echo "|上一页";
}
else
{
echo "<A href='$formname.php?nowpage=$rewpage&fll=$fll'>|上一页</A>";
}
echo "</DIV>";
echo "</TD>";
echo "<TD width='10%' height='15'>";
echo "<DIV align='center'>";
echo "$nowpage/$num_page";
echo "</DIV>";
echo "</TD>";
echo "<TD width='10%' height='15'>";
echo "<DIV align='center'>";
if ($nowpage >= $num_page)
{
echo "|下一页";
}
else
{
echo "<A href='$formname.php?nowpage=$nextpage&fll=$fll'>|下一页</A>";
}
echo "</DIV>";
echo "</TD>";
echo "<TD width='10%' height='15'>";
echo "<DIV align='center'>";
if ($nowpage >= $num_page)
{
echo "结尾页";
}
else
{
echo "<A href='$formname.php?nowpage=$num_page'>|结尾页</A>";
}
echo "</DIV>";
echo "</TD>";
echo "</TR>";
echo "</TBODY>";
echo "</TABLE>";
}
?>
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -