php批量创建数据库表,php创建表格

怎么实现php自动创建数据库，像discuz安装时那样，自己建数据库和表？

你做好程序以后，把数据库导出成sql文件（这个文件里就已经有了一下创建数据表，添加数据记录等的一些sql语句了）

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新建一个安装文件：

1、连接数据库（安装的时候不是要填写一些数据库连接参数等吗）

2、读取这个sql文件里的sql语句，并执行

3、生成一个数据库连接参数的php文件

就这么简单，思路是这样啊，具体这么实现，你自己慢慢研究

如何用PHP给数据库中的表和字段批量添加注释

MYSQL本身没有这种批量的命令。

不过你可以自己生成 alter table t1 modify 的脚本，一次性把所有需要修改的列的注释更新。

如何实现PHP自动创建数据库

你做好程序以后，把数据库导出成sql文件

1、连接数据库

2、读取这个sql文件里的sql语句，并执行

3、生成一个数据库连接参数的php文件

?php

$con = mysql_connect("localhost","peter","abc123");

if (!$con)

{

die('Could not connect: ' . mysql_error());

}

if (mysql_query("CREATE DATABASE my_db",$con))

{

echo "Database created";

}

else

{

echo "Error creating database: " . mysql_error();

}

mysql_close($con);

?php

class ReadSql {

//数据库连接

protected $connect = null;

//数据库对象

protected $db = null;

//sql文件

public $sqlFile = "";

//sql语句集

public $sqlArr = array();

public function __construct($host, $user, $pw, $db_name) {

$host = empty($host) ? C("DB_HOST") : $host;

$user = empty($user) ? C("DB_USER") : $user;

$pw = empty($pw) ? C("DB_PWD") : $pw;

$db_name = empty($db_name) ? C("DB_NAME") : $db_name;

//连接数据库

$this-connect = mysql_connect($host, $user, $pw) or die("Could not connect: " . mysql_error());

$this-db = mysql_select_db($db_name, $this-connect) or die("Yon can not select the table:" . mysql_error());

}

//导入sql文件

public function Import($url) {

$this-sqlFile = file_get_contents($url);

if (!$this-sqlFile) {

exit("打开文件错误");

} else {

$this-GetSqlArr();

if ($this-Runsql()) {

return true;

}

//获取sql语句数组

public function GetSqlArr() {

//去除注释

$str = $this-sqlFile;

$str = preg_replace('/--.*/i', '', $str);

$str = preg_replace('/\/\*.*\*\/(\;)?/i', '', $str);

//去除空格创建数组

$str = explode(";\n", $str);

foreach ($str as $v) {

$v = trim($v);

if (empty($v)) {

continue;

} else {

$this-sqlArr[] = $v;

}

//执行sql文件

public function RunSql() {

foreach ($this-sqlArr as $k = $v) {

if (!mysql_query($v)) {

exit("sql语句错误：第" . $k . "行" . mysql_error());

}

return true;

}

//范例：

header("Content-type:text/html;charset=utf-8");

$sql = new ReadSql("localhost", "root", "", "log_db");

$rst = $sql-Import("./log_db.sql");

if ($rst) {

echo "Success！";

}

怎样通过PHP连接MYSQL数据库、创建数据库、创建表_PHP教程

mysql_select_db("table"

,conn)

die

("找不到数据源");

-----------------------------------------------------------------------

通过PHP创建MYSQL数据库

conn

mysql_connect("localhost","root","password")

die("无法连接数据库");

mysql_create_db("dwww")

die("无法创建数据库");

sqlstr

"create

database

other_dwww";

----------------------------------------------------------------------------

创建mysql的表

conn

mysql_connect("localhost","root","password")

die("无法连接数据库");

mysql_select_db("dwww",conn)

die("无法连接数据库dwww");

sql

"create

table

dwww_table(

//判断数组

colors

array(red,

blue,

green);

if(is_array(colors))

{

print(colors

array.br);

}

//双精度数判断

Temperature

15.23;

if(is_double(TemperatuPHP在线视频教程

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PHP?

如何在php创建数据库与数据表

创建数据库：create database 数据库名

创建数据表：

CREATE TABLE `users` (

`id` tinyint(10) auto_increment primary key NOT NULL,

`username` varchar(30) NOT NULL,

`age` int(10) NOT NULL

) ENGINE=MyISAM DEFAULT CHARSET=utf8;

执行这两个sql语句就行

通过ThinkPHP文件建立数据库数据表

if(!is_writable('config.php')){

emMsg('配置文件(config.php)不可写。如果您使用的是Unix/Linux主机，请修改该文件的权限为777。如果您使用的是Windows主机，请联系管理员，将此文件设为可写');

}

if(!is_writable(EMLOG_ROOT.'/content/cache')){

emMsg('缓存文件不可写。如果您使用的是Unix/Linux主机，请修改缓存目录 (content/cache) 下所有文件的权限为777。如果您使用的是Windows主机，请联系管理员，将该目录下所有文件设为可写');

}

$config = "?php\n"

."//mysql database address\n"

."define('DB_HOST','$db_host');"

."\n//mysql database user\n"

."define('DB_USER','$db_user');"

."\n//database password\n"

."define('DB_PASSWD','$db_pw');"

."\n//database name\n"

."define('DB_NAME','$db_name');"

."\n//database prefix\n"

."define('DB_PREFIX','$db_prefix');"

."\n//auth key\n"

."define('AUTH_KEY','".getRandStr(32).md5($_SERVER['HTTP_USER_AGENT'])."');"

."\n//cookie name\n"

."define('AUTH_COOKIE_NAME','EM_AUTHCOOKIE_".getRandStr(32,false)."');"

."\n";

$fp = @fopen('config.php', 'w');

$fw = @fwrite($fp, $config);

if (!$fw){

}

fclose($fp);

//密码加密存储

$PHPASS = new PasswordHash(8, true);

$adminpw = $PHPASS-HashPassword($adminpw);

$dbcharset = 'utf8';

$type = 'MYISAM';

$table_charset_sql = $DB-getMysqlVersion() '4.1' ? 'ENGINE='.$type.' DEFAULT CHARSET='.$dbcharset.';' : 'ENGINE='.$type.';';

if ($DB-getMysqlVersion() '4.1' ){

$DB-query("ALTER DATABASE `{$db_name}` DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci;", true);

}

$widgets = Option::getWidgetTitle();

$sider_wg = Option::getDefWidget();

$widget_title = serialize($widgets);

$widgets = serialize($sider_wg);

define('BLOG_URL', getBlogUrl());

$sql = "

DROP TABLE IF EXISTS {$db_prefix}blog;

CREATE TABLE {$db_prefix}blog (

gid int(10) unsigned NOT NULL auto_increment,

title varchar(255) NOT NULL default '',

date bigint(20) NOT NULL,

content longtext NOT NULL,

excerpt longtext NOT NULL,

alias VARCHAR(200) NOT NULL DEFAULT '',

author int(10) NOT NULL default '1',

sortid int(10) NOT NULL default '-1',

type varchar(20) NOT NULL default 'blog',

views int(10) unsigned NOT NULL default '0',

comnum int(10) unsigned NOT NULL default '0',

attnum int(10) unsigned NOT NULL default '0',

top enum('n','y') NOT NULL default 'n',

sortop enum('n','y') NOT NULL default 'n',

hide enum('n','y') NOT NULL default 'n',

checked enum('n','y') NOT NULL default 'y',

allow_remark enum('n','y') NOT NULL default 'y',

password varchar(255) NOT NULL default '',

template varchar(255) NOT NULL default '',

PRIMARY KEY (gid),

KEY date (date),

KEY author (author),

KEY sortid (sortid),

KEY type (type),

KEY views (views),

KEY comnum (comnum),

KEY hide (hide)

)".$table_charset_sql."

INSERT INTO {$db_prefix}blog (gid,title,date,content,excerpt,author,views,comnum,attnum,top,sortop,hide,allow_remark,password) VALUES (1, '欢迎使用emlog', '".time()."', '恭喜您成功安装了emlog，这是系统自动生成的演示文章。编辑或者删除它，然后开始您的创作吧！', '', 1, 0, 0, 0, 'n', 'n', 'n', 'y', '');

DROP TABLE IF EXISTS {$db_prefix}attachment;

CREATE TABLE {$db_prefix}attachment (

aid int(10) unsigned NOT NULL auto_increment,

blogid int(10) unsigned NOT NULL default '0',

filename varchar(255) NOT NULL default '',

filesize int(10) NOT NULL default '0',

filepath varchar(255) NOT NULL default '',

addtime bigint(20) NOT NULL default '0',

width int(10) NOT NULL default '0',

height int(10) NOT NULL default '0',

mimetype varchar(40) NOT NULL default '',

thumfor int(10) NOT NULL default 0,

PRIMARY KEY (aid),

KEY blogid (blogid)

)".$table_charset_sql."

DROP TABLE IF EXISTS {$db_prefix}comment;

CREATE TABLE {$db_prefix}comment (

cid int(10) unsigned NOT NULL auto_increment,

gid int(10) unsigned NOT NULL default '0',

pid int(10) unsigned NOT NULL default '0',

date bigint(20) NOT NULL,

poster varchar(20) NOT NULL default '',

comment text NOT NULL,

mail varchar(60) NOT NULL default '',

url varchar(75) NOT NULL default '',

ip varchar(128) NOT NULL default '',

hide enum('n','y') NOT NULL default 'n',

PRIMARY KEY (cid),

KEY gid (gid),

KEY date (date),

KEY hide (hide)

)".$table_charset_sql."

DROP TABLE IF EXISTS {$db_prefix}options;

CREATE TABLE {$db_prefix}options (

option_id INT( 11 ) UNSIGNED NOT NULL auto_increment,

option_name VARCHAR( 255 ) NOT NULL ,

option_value LONGTEXT NOT NULL ,

PRIMARY KEY (option_id),

KEY option_name (option_name)

)".$table_charset_sql."

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('blogname','点滴记忆');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('bloginfo','使用emlog搭建的站点');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('site_title','');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('site_description','');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('site_key','emlog');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('log_title_style','0');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('blogurl','".BLOG_URL."');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('icp','');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('footer_info','');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('admin_perpage_num','15');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('rss_output_num','0');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('rss_output_fulltext','y');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('index_lognum','10');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('index_comnum','10');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('index_twnum','10');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('index_newtwnum','5');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('index_newlognum','5');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('index_randlognum','5');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('index_hotlognum','5');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('comment_subnum','20');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('nonce_templet','default');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('admin_style','default');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('tpl_sidenum','1');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('comment_code','n');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('comment_needchinese','y');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('comment_interval',60);

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('isgravatar','y');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('isthumbnail','y');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('att_maxsize','20480');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('att_type','rar,zip,gif,jpg,jpeg,png,txt,pdf,docx,doc,xls,xlsx');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('att_imgmaxw','420');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('att_imgmaxh','460');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('comment_paging','y');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('comment_pnum','10');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('comment_order','newer');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('login_code','n');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('reply_code','n');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('iscomment','y');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('ischkcomment','y');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('ischkreply','n');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('isurlrewrite','0');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('isalias','n');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('isalias_html','n');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('isgzipenable','n');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('isxmlrpcenable','n');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('ismobile','n');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('isexcerpt','n');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('excerpt_subnum','300');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('istwitter','y');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('istreply','n');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('topimg','content/templates/default/images/top/default.jpg');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('custom_topimgs','a:0:{}');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('timezone','8');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('active_plugins','');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('widget_title','$widget_title');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('custom_widget','a:0:{}');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('widgets1','$widgets');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('widgets2','');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('widgets3','');

INSERT INTO {$db_prefix}options (option_name, option_value) VALUES ('widgets4','');

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