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Ê×ÏÈÏȰÑpic2db.rarÎļþ½âѹµ½PHP¿ÉÒÔÔËÐÐĿ¼Ï¡£
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CREATE TABLE `pic` (
  `pic_id` int(11) NOT NULL auto_increment,
  `pic_userid` int(11) NOT NULL,
  `pic_content` longblob NOT NULL,
  PRIMARY KEY  (`pic_id`)
)
ÔÙ½Ó×ÅÐÞ¸Äcommon_db.phpÖеÄÊý¾Ý¿âÁ¬½ÓµÄÓû§ÃûºÍÃÜÂ룬¸ù¾ÝÄãMYSQLÉèÖõÄÀ´
×îºóÔËÐÐupload.phpÎļþ½øÐÐÉÏ´«£¬¶ødisplay_all.phpÊÇÏÔʾÊý¾Ý¿âÖÐËùÓеÄͼƬ
 Í¼Æ¬ÉÏ´«upload.php
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>ÉÏ´«</title>
</head>
<body>
<form action="post_action.php" method="post" enctype="multipart/form-data" name="form1" id="form1">
<p> </p>
<p>
<label></label>
<label>
<input type="file" name="file" />
</label>
</p>
<p>
<label>
<input type="submit" name="Submit" value="Ìá½»" />
</label>
</p>
<p> </p>
</form>
</body>
</html>

 
Á¬½ÓÊý¾Ý¿âµÄcommon_db.php:
<?php
/**
* Á¬½ÓÊý¾Ý¿âµÄº¯Êý
* Á¬½Ó³É¹¦½«»á·µ»ØÒ»¸öÁ¬½Ó×ÊÔ´
* @return mix
*/
function getLink() {
$link = mysql_connect("localhost","root","") or die("Êý¾Ý¿â·þÎñÆ÷Á¬½Óʧ°Ü!");
if(!mysql_select_db("crm",$link)) die("Êý¾Ý¿âÁ¬½Óʧ°Ü!");
return $link;
}
?>
´¦ÀíÉÏ´«µÄpost_action.php:
<?php
/**
* ±¾ÎļþÊǽ«Í¼Æ¬ÎļþÉÏ´«µ½·þÎñÆ÷¶Ë
* ²¢ÇÒ¶ÁÈ¡¸ÃÎļþµÄ¶þ½øÖÆÄÚÈÝ´æÈëµ½MYSQLµÄ
* pic±íÖÐlongblob×Ö¶Î
*
*/
//Ç¿ÖÆÒ³ÃæÊ¹ÓÃgb2312±àÂë
header("Content-Type: text/


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<?
$s_ht="127.0.0.1";
$s_user="root";
$s_pas="123456";
$s_data="ceshi";
if (empty($_SERVER['HTTP_X_FORWARDED_FOR']))
{
$myip = $_SERVER['REMOTE_ADDR'];
$myip = $_SERVER['REMOTE_ADDR'];
}
else {
$myip = explode(',', $_SERVER['HTTP_X_FORWA ......

PHPÔÓ¼Ç

 preg_replace -- Ö´ÐÐÕýÔò±í´ïʽµÄËÑË÷ºÍÌæ»»
array_push --  ½«Ò»¸ö»ò¶à¸öµ¥ÔªÑ¹ÈëÊý×éµÄĩ⣨ÈëÕ»£©
preg_match -- ½øÐÐÕýÔò±í´ïʽƥÅä
exif_imagetype($file) ---ͼÏñÀàÐÍ£»
echo "<SCRIPT LANGUAGE='JavaScript'>alert('µÃµ½');history.back();</SCRIPT>";
exit;
date_defaul ......

Mysql ʱ¼äº¯Êý»ã×Ü

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1.1 »ñµÃµ±Ç°ÈÕÆÚ+ʱ¼ä£¨date + time£©º¯Êý£ºnow()
mysql> select now();
+---------------------+
| now() |
+---------------------+
| 2008-08-08 22:20:46 |
+---------------------+
³ýÁË now() º¯ÊýÄÜ»ñµÃµ±Ç°µÄÈÕÆÚʱ¼äÍ⣬MySQL Öл¹ÓÐÏÂÃæµÄº¯Êý£º
current_tim ......

mysql²Ù×÷ Left join , Right Join, Inner Join


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Table A
aid   adate
1      a1
2      a2
3      a3
TableB
bid bdate
1    b1
2   b2
4    b4
Á½¸ö±ía,bÏàÁ¬½Ó,Ҫȡ ......

ubuntu °²mysql install dbʱ³öÁËÎÊÌâ

ÕâÁ½ÌìÎÒ×°ÁËUBUNTU £¬ÔÚ±àÒë°²×°MYSQLµÄʱºòûÓгöʲôÎÊÌ⣬
µ½scripts/mysql_install_db --user=mysql
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FATAL ERROR: Can't find mysqld. Please specify your installation
directory with the '--basedir=' option.
FATAL ERROR: Could not find SQL file '/fill_help_tables.sql'
µ½ÍøÉ ......
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