当前位置: 首页 > 图文教程 > 网络编程 > PHP > 使用PHP制作新闻系统的思路
首先,建立一个表。
createtablenews(
n_idint(255)notnullauto_increment,
n_datedatetimenotnull,
newstextnotnull,
primarykey(n_id)
);
第二步,设置你的登陆信息
$database_user_name="root";
$database_password="";
$database_name="news";
$time_offset="0";
第三步,让我们把后面程序用到的东西作成函数,节省篇幅啊!
functionconnect_db()
{
//connectstothedatabase
global$database_user_name,$database_password;
$db=mysql_connect("localhost",$database_user_name,$database_password);
return$db;
}
functiondb_name()
{
//returnsthenameofthedatabase
global$database_name;
$db_name=$database_name;
return$db_name;
}
functionget_now()
{
//getscurrentdateandtime
$db=connect_db();
$db_name=db_name();
mysql_select_db($db_name,$db);
$sql="selectnow()asnow";
$result=mysql_query($sql,$db);
$myrow=mysql_fetch_array($result);
$now=$myrow["now"];
return$now;
}
第四步,让我们考虑如何将新闻显示出来
//上面已经定义的函数库...
//表格的定义......
<center><FONTSIZE=5FACE="'georgia',verdana,Arial,LucidaSans,GillSans">$title";
if($admin==1)
{
echo"Admin";
}
echo"-News</font>
</td></tr>
";
$db=connect_db();
$db_name=db_name();
mysql_select_db($db_name,$db);
if($show_news_sub)
{
$show_news=$show_news_sub;
}
if(!ereg("([0-9]{".strlen($show_news)."})",$show_news))
{
$show_news="ALL";
}
if(strtoupper($show_news)=="ALL")
{
$sql="selectdate_format(n_date,'%m/%d/%Y')asn_date,date_format(n_date,'%H:%i')asn_time,news,n_dateasdatefromnewsorderbydatedesc";
}
else
{
$link="<ahref=$REQUEST_URL?show_news_sub=ALL><FONTSIZE=-2FACE="'georgia',verdana,Arial,LucidaSans,GillSans">Allnews</font></a>";
$sql="selectdate_format(n_date,'%m/%d/%Y')asn_date,date_format(n_date,'%H:%i')asn_time,news,n_dateasdatefromnewsorderbyn_datedesclimit$show_news";
}
$result=mysql_query($sql,$db);
$num_rows=mysql_num_rows($result);
if($num_rows!=0)
{
echo"
";
while($myrow=mysql_fetch_array($result))
{
$date=$myrow["n_date"];
$time=$myrow["n_time"];
$news=$myrow["news"];
$n_id=$myrow["n_id"];
if(strtoupper($show_date)=="Y"&&strtoupper($show_time)=="Y")
{
$show=$date."".$time;
}
elseif(strtoupper($show_date)=="Y"&&strtoupper($show_time)!="Y")
{
$show=$date;
}
if(strtoupper($show_date)!="Y"&&strtoupper($show_time)=="Y")
{
$show=$time;
}
$cleannews=(nl2br($news));
<TDalign=left><FONTSIZE=-2FACE="'verdana',Arial,LucidaSans,GillSans">$show<br>$cleannews</font</TD>
";
}
echo"
";
}
if($admin==1)
{
echo"
<center><ahref=admin/index.php><FONTSIZE=-2FACE="'verdana',Arial,LucidaSans,GillSans">返回</font></a></center>
";
}
if($link)
{
echo"<center><br><br>$link</center>";
}
说明:省略了格式方面的标签,这样看起来思路清晰些,你可要加上啊
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