php基本代码大全

¹ÜÀíÌáÐÑ: ±¾Ìû±» ¡ïstar¡ï Ö´ÐмÓÁÁ²Ù×÷(2010-08-20) ±¾²¿·ÖÉ趨ÁËÒþ²Ø,ÄúÒѻظ´¹ýÁË,ÒÔÏÂÊÇÒþ²ØµÄÄÚÈÝ PHP³£ÓôúÂë

1¡¢Á¬½ÓMYSQLÊý¾Ý¿â´úÂë $connec=mysql_connect(\"localhost\or die(\"²»ÄÜÁ¬½ÓÊý¾Ý¿â·þÎñÆ÷£º \".mysql_error());

mysql_select_db(\"liuyanben\or die (\"²»ÄÜÑ¡ÔñÊý¾Ý¿â: \".mysql_error());

mysql_query(\"set names 'gbk'\"); ?>

2¡¢¶ÁÈ¡Êý¾Ý¿â£¬²¢ÊµÏÖÑ-»·Êä³ö $sql=\"select * from liuyan order by ly_id desc\"; $conn=mysql_query($sql,$connec);

while($rs=mysql_fetch_array($conn)){ ?>

Ñ-»·µÄÄÚÈÝ.........

3¡¢ÈçºÎʵÏÖ·ÖÒ³£¬°üÀ¨Á½¸öº¯Êý£¬Á½¸öµ÷Óà 1£©Á½¸öº¯Êý //·ÖÒ³º¯Êý

function genpage(&$sql,$page_size=2) {

global $prepage,$nextpage,$pages,$sums; //out param $page = $_GET[\"page\"]; $eachpage = $page_size;

$pagesql = strstr($sql,\" from \");

$pagesql = \"select count(*) as ids \".$pagesql;

$conn = mysql_query($pagesql) or die(mysql_error()); if($rs = mysql_fetch_array($conn)) $sums = $rs[0]; $pages = ceil(($sums-0.5)/$eachpage)-1; $pages = $pages>=0?$pages:0; $prepage = ($page>0)?$page-1:0;

$nextpage = ($page<$pages)?$page+1:$pages; $startpos = $page*$eachpage;

$sql .=\" limit $startpos,$eachpage \"; }

//ÏÔʾ·ÖÒ³

function showpage() {

global $page,$pages,$prepage,$nextpage,$queryString; //param from genpage function $shownum =10/2;

$startpage = ($page>=$shownum)?$page-$shownum:0;

$endpage = ($page+$shownum<=$pages)?$page+$shownum:$pages;

echo \"¹²\".($pages+1).\"Ò³: \"; if($page>0)echo \"Ê×Ò³\"; if($startpage>0) echo \" ... ?\"; for($i=$startpage;$i<=$endpage;$i++) {

if($i==$page) echo \" [\".($i+1).\"] \"; else echo \" \".($i+1).\" \"; }

if($endpage<$pages) echo \"? ... \";

if($page<$pages)

echo \"βҳ\"; }

//ÏÔʾ´ø·ÖÀàµÄ·ÖÒ³ function showpage1() {

$fenlei=$_GET[\"fenleiid\"]; global $page,$pages,$prepage,$nextpage,$queryString; //param from genpage function $shownum =10/2;

$startpage = ($page>=$shownum)?$page-$shownum:0;

$endpage = ($page+$shownum<=$pages)?$page+$shownum:$pages;

echo \"¹²\".($pages+1).\"Ò³: \"; if($page>0)echo \"Ê×Ò³\"; if($startpage>0) echo \" ... ?\";

for($i=$startpage;$i<=$endpage;$i++)

{

if($i==$page) echo \" [\".($i+1).\"] \"; else echo \" \".($i+1).\" \"; }

if($endpage<$pages) echo \"? ... \"; if($page<$pages) echo \"βҳ\"; } ?>

2£©Á½¸öµ÷Óà µÚÒ»¸ö $sql=\"select * from liuyan order by ly_id desc\"; genpage($sql); //Ö»ÐèÒªÕý³£´úÂë¼ÓÉÏÕâÒ»ÐоÍok¡£ $conn=mysql_query($sql,$connec);

while($rs=mysql_fetch_array($conn)){ ?>

µÚ¶þ¸ö showpage(); //ÏÔʾҳ ?> mysql_close(); ?>

4¡¢·þÎñÆ÷¶Ë°üº¬

5¡¢ÈçºÎ½«Ò»Ìõ¼Ç¼дÈëÊý¾Ý¿â£¬È»ºóÌáʾ²¢ÌøתҳÃæ $ly_title=$_POST[\"ly_title\"];

$ly_content=$_POST[\"ly_content\"]; $ly_time=$_POST[\"ly_time\"];

$ly_author=$_POST[\"ly_author\"]; $ly_email=$_POST[\"ly_email\"]; $sql=\"insert into

liuyan(ly_title,ly_content,ly_time,ly_author,ly_email)

values('\".$ly_title.\"','\".$ly_content.\"','\".$ly_time.\"','\".$ly_author.\"','\".$ly_email.\"')\"; mysql_query($sql,$connec); echo(\"\"); ?>

6¡¢µ¯³ö¶Ô»°¿ò£¬²¢·¢ÉúÒ³ÃæÌøת echo(\"\"); ?>

7¡¢ÐÅÏ¢²é¿´Ò³Ã棨ÓÐÌõ¼þ¶ÁÈ¡Êý¾Ý¿â£© 1)ÓÐÌõ¼þ¶ÁÈ¡Êý¾Ý¿â $sql=\"select * from liuyan where ly_id=$_GET[id]\"; $conn=mysql_query($sql,$connec); $rs=mysql_fetch_array($conn); ?>

2£©½«Ä³¸ö×Ö¶ÎÊä³ö 3£©¹Ø±ÕÊý¾Ý¿â mysql_close(); ?>

8¡¢¶ÔÊý¾Ý¿âÖÐijһÌõ¼Ç¼½øÐиüвÙ×÷£¬²¢×÷ÌáʾÌøת $ly_title=$_POST[\"ly_title\"];

$ly_content=$_POST[\"ly_content\"]; $ly_time=$_POST[\"ly_time\"];

$ly_author=$_POST[\"ly_author\"]; $ly_email=$_POST[\"ly_email\"]; $sql=\"update liuyan set ly_title='$ly_title',ly_content='$ly_content',ly_time='$ly_time',ly_author='$ly_author',ly_email='$ly_email' where ly_id=$_GET[id]\"; mysql_query($sql,$connec); echo(\"\"); ?>

9¡¢ÈçºÎɾ³ýÊý¾Ý¿âÖеÄÒ»Ìõ¼Ç¼ $sql=\"delete from liuyan where ly_id=$_GET[id]\"; mysql_query($sql,$connec); echo(\"\"); ?>

10¡¢ÈçºÎ½øÐлáÔ±µÇ¼ÑéÖ¤ session_start();

$username=$_POST[\"username\"]; $password=$_POST[\"password\"];

$sql=\"select * from admin where username='\".$username.\"' && password='\".$password.\"'\";

$result=mysql_query($sql,$connec); if($row=mysql_fetch_array($result)){ session_register(\"admin\"); $admin=$username; echo(\"\");} else {

echo(\"\"); }

mysql_close(); ?>

11¡¢ÈçºÎ¶ÔSESSION½øÐмìÑ飨ºǫ́¼ì²éÒ³ÃæµÄÖÆ×÷£© session_start();

if(!isset($_SESSION[\"admin\"])){ header(\"location:login.php\"); exit; } ?>

12¡¢ÑéÖ¤Óû§Ãû¼°ÃÜÂëÊÇ·ñÌîд£¨javascript£©

13¡¢ÔÚPHPÖе÷Óñà¼-Æ÷µÄ·½·¨

1£©½«±à¼-Æ÷Îļþ¼Ð·ÅÖúǫ́¹ÜÀíÎļþ¼ÐÄÚ¡£ 2£©ÀûÓÃÒÔÏÂÓï¾ä½øÐÐÒýÈë²Ù×÷¡£

×¢£ºeWebEditorPHP38±à¼-Æ÷Îļþ¼ÐµÄÃû³Æ¡£ id=contentÖÐcontentΪÉÏÃæÒþ²ØÓòµÄÃû³Æ 14¡¢Ñ-»·Êä³ö£¨Äܹ»ÊµÏÖ·ÖÁУ© 1£©Ê×ÏȲåÈëÒ»ÐÐÒ»Áбí¸ñ

$i++; } ?>

15¡¢¸øÏÂÀ-Áбí¿ò°ó¶¨Êý¾Ý(²¢ÇÒÔÚÐÞ¸ÄʱĬÈÏÑ¡ÖÐ)

$sql=\"select * from fenleibiao\"; $conn=mysql_query($sql,$connec);

while($rs1=mysql_fetch_array($conn)){ ?>

\" if ($rs[\"fenleiid\"]==$rs1[\"fenleiid\"]){ echo \"selected\" ; } ?>>

} ?>

16¡¢»ñÈ¡×Ö·û³¤¶Èº¯Êý strlen($c)>12

17¡¢¶¨ÒåÒ»¸ö×Ö·û½ØÈ¡º¯Êý

Ó÷¨£º function substrgb($in,$num){ $pos=0; $out=\"\";

while($c=substr($in,$pos,1)){ if($c==\"\\n\") break; if(ord($c)>128){ $out.=$c; $pos++;

$c=substr($in,$pos,1);

$out.=$c; }else{

$out.=$c; }

$pos++;

if($pos>=$num) break; }

if($out!=$in) $out = $out . \"...\"; return $out; }

18¡¢ÅжÏÊÇ·ñÊÇÊý×Ö !is_numeric(qq)

19¡¢PHP¼¼ÊõÖлñÈ¡µ±Ç°ÈÕÆÚ $ptime=date(\"y-m-d\");

20¡¢Óû§×¢²áʱËùʹÓõÄPHPÑéÖ¤³ÌÐò

if ($admin==\"\" or (strlen($admin)>16) or (strlen($admin)<2)) { echo \"\"; }

if ($password==\"\" or strlen($password)>16 or strlen($password)<6) { echo \"\"; }

if ($password==\"\") {

echo \"\"; }else{

if ($password!=$password1) { echo \"\"; } }

if ($wt=\"\") {

echo \"\"; }

if ($da=\"\") {

echo \"\"; }

if ($qq!=\"\") {

if (!is_numeric($qq)) {

echo \"\"; } }

if ($youbian==\"\" or strlen($youbian)!=6) {

echo \"\"; }

if ($youbian!=\"\") {

if (!is_numeric($youbian)) {

echo \"\"; } }

if ($dizhi=\"\") {

echo \"\"; }

if ($mail==\"\") {

echo \"\"; }

if ($textarea==\"\") {

echo \"\"; }

if ($textarea==\"\" or strlen(textarea)>150) { echo \"\"; }

24¡¢¶ÔÊä³öµÄÄÚÈݽøÐÐÅжϣ¬´Ó¶øÊä³öÆäËü½á¹û if ($rs[\"active\"]==1) {

echo \"¼¤»î\"; }else{

echo \"½ûÓÃ\"; } ?>

25.×Ö·û½ØÈ¡º¯Êý

26.ÄÐÅ®ÎÊÌâ»òµ¥Ñ¡´øÑ¡ÔñµÄ

($rs[\"hy_zhungtai\"]===\"ÄÐ\") { echo \"checked\";}?>> ÄÐ

> Å®

27.µ¥Ñ¡²»´øµ¥Ñ¡¿òµÄ

\">Ëø¶¨

&action=no\">½âËø ËüµÄ saveÒ³ÊÇ

$hy_id=$_GET['id'];

$action=$_GET['action']; if ($action=='yes'){

$sql=\"update hybiao set hy_zhuangtai='Ëø¶¨' where hy_id='$id'\"; $query=mysql_query($sql,$connec); echo(\"type='text/javascript'>location.href='UserManage.php';\"); }

else{

$sql=\"update hybiao set hy_zhuangtai='Õý³£' where hy_id='$id'\"; $query=mysql_query($sql,$connec); echo(\"type='text/javascript'>location.href='UserManage.php';\"); }

mysql_close(); ?>

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