PHPFORMYSQL代码生成助手(根据Mysql里的字段自动生成

PHPFORMYSQL代码生成助手(根据Mysql里的字段自动生成类文件的

根据 Mysql 里的字段 自动生成 类文件：

但需要导入：

require_once ./db/ez_sql_core.php;
require_once ./db/ez_sql_mysql.php;

帮助文档：http://jvmultimedia.com/docs/ezsql/ez_sql_help.htm

上图 ：

核心代码:
代码如下:
class db{
/**********************************************************************
* Author: fangjun (fangjunai@163.com)
* Name..: PHP_For_MySQL_Helper v1.0
* Desc..: 自动生成数据库操作类
* Date..: 2011-7-22
/**********************************************************************/
private $db_server = 'localhost';
private $db_username = 'root';
private $db_password = '';
private $primary_key = null;
//初始化
public function __construct(){
$this->db_conn = mysql_connect($this->db_server,$this->db_username,$this->db_password) or die('Error:'.mysql_error());
}
//返回所以的数据库名称
public function db_list(){
$databasename = array();
$i=0;
$list = mysql_list_dbs($this->db_conn);
while ($row = mysql_fetch_object($list)) {
$databasename[$i] = $row->Database;
$i++;
}
mysql_close();
return $databasename;
}
//返回所以的数据库名称
public function table_list($databasename){
$tablename = array();
$i=0;
$result = @mysql_list_tables($databasename);
while($row = mysql_fetch_array($result,MYSQL_NUM)){
$tablename[$i] = $row[0];
$i++;
}
mysql_free_result($result);
mysql_close();
return $tablename;
}
//返回表里的字段
public function field_list($databasename,$tablename){
$fieldname = array();
$v = 0;
mysql_select_db($databasename,$this->db_conn);
$rel = mysql_query("select * from ".$tablename);
for($i=0;$i$meta = mysql_fetch_field($rel);
if($meta){
if($meta->primary_key==1){
$this->primary_key = $meta->name;
}else{
$fieldname[$v] = $meta->name;
$v++;
}
}
}
mysql_close();
return $fieldname;
}
public function showclass($databasename,$tablename){
$field = $this->field_list($databasename,$tablename);
$this->primary_key;
$key = null;
$val = null;
$sql = null;
$tmp = null;
$html = '////////////////////////////////////
';
$html = $html.'//使用方法
';
$html = $html.'// 导入
';
$html = $html.'// ez_sql：http://jvmultimedia.com/docs/ezsql/ez_sql_help.htm';
$html = $html.'// require_once \'./db/ez_sql_core.php;
';
$html = $html.'// require_once \'./db/ez_sql_mysql.php;
';
$html = $html.'// $db = new ezSQL_mysql($cfg_db_user,$cfg_db_pass,$cfg_db_name,$cfg_db_host);
';
$html = $html.'// $db->query(\'set names utf8\');
';
$html = $html.'// 调用
';
$html = $html.'// $forum = new Forum($db);
';
$html = $html.'// $forum->save($Posts);
';
$html = $html.'////////////////////////////////////


';
$html = $html.'// 作者:
';
$html = $html.'// 备注:
';
$html = $html.'// 创建时间:'.date('Y-m-d H:i:s').'
';
$html = $html.'

 class '.$tablename.'{
'; 
$html = $html.'
'; 
$html = $html.' private $db'; 
$html = $html.'
'; 
$html = $html.'
'; 
$html = $html.' //实例化 
'; 
$html = $html.' public function '.$tablename.'($db){
'; 
$html = $html.' $this->db = $db;
'; 
$html = $html.' }
'; 
$html = $html.'
'; 
$html = $html.' //保存记录
'; 
$html = $html.' public function save($arry){
'; 
for($i=0;$i$key = $key.$field[$i].','; 
$val = $val.'\'{$arry['.$field[$i].']}\','; 
} 
$sql = "\"insert into ".$tablename." (".rtrim($key,",").")values(".rtrim($val,",").")\""; 
$html = $html.' $sql='.$sql.';
'; 
$html = $html.' return $this->db->query($sql);
'; 
$html = $html.' }
'; 
$html = $html.'
'; 
$html = $html.' //根据主键更新记录 
'; 
$html = $html.' public function update($arry){
'; 
for($i=0;$i$tmp = $tmp.$field[$i].'=\'{$arry['.$field[$i].']}\','; 
} 
$sql = "\"update ".$tablename." set ".rtrim($tmp,",")." where ".$this->primary_key.'=".$arry['.$this->primary_key.']'; 
$html = $html.' $sql='.$sql.';
'; 
$html = $html.' return $this->db->query($sql);
'; 
$html = $html.' }
'; 
//PostID='{$Posts['PostID']}'"; 
$html = $html.'
'; 
$html = $html.' //根据主键删除记录 
'; 
$html = $html.' public function delete($'.$this->primary_key.'){
'; 
$sql = "\"delete from ".$tablename." where ".$this->primary_key."=\".$".$this->primary_key; 
$html = $html.' $sql='.$sql.';
'; 
$html = $html.' return $this->db->query($sql);
'; 
$html = $html.' }
'; 
$html = $html.'
'; 
$html = $html.' //根据主键查询一条记录 
'; 
$html = $html.' public function getQueryById($'.$this->primary_key.'){
'; 
$sql = "\"select * from ".$tablename." where ".$this->primary_key."=\".$".$this->primary_key; 
$html = $html.' $sql='.$sql.';
'; 
$html = $html.' return $this->db->get_row($sql);
'; 
$html = $html.' }
'; 
$html = $html.'
'; 
$html = $html.' //查询全部记录 
'; 
$html = $html.' public function getQuery(){
'; 
$sql = "\"select * from ".$tablename."\""; 
$html = $html.' $sql='.$sql.';
'; 
$html = $html.' return $this->db->get_results($sql);
'; 
$html = $html.' }
'; 
$html = $html.'
'; 
$html = $html.'
'; 
$html = $html.'}

';
echo $html;
}
}
?>








ini_set('default_charset', 'utf-8');
echo '

';
echo '

请选择数据库

';
//-----------------------------------
$DB = new db();
$dblist = $DB->db_list();
for ($row=0;$rowecho ''.$dblist[$row].'
';
}
//-----------------------------------
echo '

';
echo '

';
echo '

请选择表

';
//-----------------------------------
if(isset($_GET['databasename'])){
$databasename = $_GET['databasename'];
$DB = new db();
$tablelist = $DB->table_list($databasename);
for ($i=0;$iecho ''.$tablelist[$i].'
';
}
}
//-----------------------------------
echo '

';
echo '

';
echo '

自动生成数据类

';
//-----------------------------------
if(isset($_GET['databasename'])&& isset($_GET['tablename'])){
$databasename = $_GET['databasename'];
$tablename = $_GET['tablename'];
$DB = new db();
$DB->showclass($databasename,$tablename);
}
//-----------------------------------
echo '

';
?>



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