四十章 PHP实现获取并生成数据库字典的方法

public function zidian()
{

/**

生成mysql数据字典

**/

//配置数据库

$dbserver = “xxxx.tencentcdb.com:10054”;

$dbusername = “root”;

$dbpassword = " ";

$database = " ";

//其他配置

$title = ‘数据字典’;

mysqlconn=@mysqlconnect("mysql_conn = @mysql_connect("mysqlc​onn=@mysqlc​onnect("dbserver", “$dbusername","$dbpassword”) or die(“Mysql connect is error.”);

mysql_select_db($database, $mysql_conn);

mysql_query(‘SET NAMES utf8’, $mysql_conn);

$table_result = mysql_query(‘show tables’, $mysql_conn);

//取得所有的表名

while (row=mysqlfetcharray(row = mysql_fetch_array(row=mysqlf​etcha​rray(table_result)) {

$tables[][‘TABLE_NAME’] = $row[0];

}

//循环取得所有表的备注及表中列消息

foreach ($tables AS $k=>$v) {

$sql = 'SELECT * FROM ';

$sql .= 'INFORMATION_SCHEMA.TABLES ';

$sql .= 'WHERE ';

KaTeX parse error: Expected '}', got 'EOF' at end of input: …table_name = '{v[‘TABLE_NAME’]}’ AND table_schema = ‘{$database}’";

tableresult=mysqlquery(table_result = mysql_query(tabler​esult=mysqlq​uery(sql, $mysql_conn);

while (t=mysqlfetcharray(t = mysql_fetch_array(t=mysqlf​etcha​rray(table_result) ) {

 $tables[$k]['TABLE_COMMENT'] = $t['TABLE_COMMENT'];

}

$sql = 'SELECT * FROM ';

$sql .= 'INFORMATION_SCHEMA.COLUMNS ';

$sql .= 'WHERE ';

KaTeX parse error: Expected '}', got 'EOF' at end of input: …table_name = '{v[‘TABLE_NAME’]}’ AND table_schema = ‘{$database}’";

$fields = array();

fieldresult=mysqlquery(field_result = mysql_query(fieldr​esult=mysqlq​uery(sql, $mysql_conn);

while (t=mysqlfetcharray(t = mysql_fetch_array(t=mysqlf​etcha​rray(field_result) ) {

 $fields[] = $t;

}

$tables[$k][‘COLUMN’] = $fields;

}

mysql_close($mysql_conn);

$html = ‘’;

//循环所有表

foreach ($tables AS $k=>$v) {

//$html .= ‘

’. $v[‘TABLE_COMMENT’] . ’

';

$html .= ‘

’;

$html .= ‘’ . $v[‘TABLE_NAME’] .’ '. $v[‘TABLE_COMMENT’]. ‘’;

$html .= '字段名数据类型默认值

允许非空

自动递增备注';

$html .= ‘’;

foreach ($v[‘COLUMN’] AS $f) {

 $html .= '<tr><td class="c1">' . $f['COLUMN_NAME'] . '</td>';

 $html .= '<td class="c2">' . $f['COLUMN_TYPE'] . '</td>';

 $html .= '<td class="c3"> ' . $f['COLUMN_DEFAULT'] . '</td>';

 $html .= '<td class="c4"> ' . $f['IS_NULLABLE'] . '</td>';

 $html .= '<td class="c5">' . ($f['EXTRA']=='auto_increment'?'是':' ') . '</td>';

 $html .= '<td class="c6"> ' . $f['COLUMN_COMMENT'] . '</td>';

 $html .= '</tr>';

}

$html .= ‘

’;

}

//输出

echo ’

'.$title.'

';

echo ‘

’.$title.’

’;

echo $html;

echo ‘’;

    }

<?php /** * 生成mysql数据字典 */ header("Content-type:text/html;charset=utf-8"); // 配置数据库 $database = array(); $database['DB_HOST'] = 'localhost'; $database['DB_NAME'] = 'test'; $database['DB_USER'] = 'root'; $database['DB_PWD'] = ''; $mysql_conn = @mysql_connect("{$database['DB_HOST']}", "{$database['DB_USER']}", "{$database['DB_PWD']}") or die("Mysql connect is error."); mysql_select_db($database['DB_NAME'], $mysql_conn); $result = mysql_query('show tables', $mysql_conn); mysql_query("set names utf8"); // 取得所有表名 while ($row = mysql_fetch_array($result)) { $tables[]['TABLE_NAME'] = $row[0]; } // 循环取得所有表的备注及表中列消息 foreach($tables as $k => $v) { $sql = 'SELECT * FROM '; $sql .= 'information_schema.TABLES '; $sql .= 'WHERE '; $sql .= "table_name = '{$v['TABLE_NAME']}' AND table_schema = '{$database['DB_NAME']}'"; $table_result = mysql_query($sql, $mysql_conn); while ($t = mysql_fetch_array($table_result)) { $tables[$k]['TABLE_COMMENT'] = $t['TABLE_COMMENT']; } $sql = 'SELECT * FROM '; $sql .= 'information_schema.COLUMNS '; $sql .= 'WHERE '; $sql .= "table_name = '{$v['TABLE_NAME']}' AND table_schema = '{$database['DB_NAME']}'"; $fields = array(); $field_result = mysql_query($sql, $mysql_conn); while ($t = mysql_fetch_array($field_result)) { $fields[] = $t; } $tables[$k]['COLUMN'] = $fields; } mysql_close($mysql_conn); $html = ''; // 循环所有表 //print_r($tables); foreach($tables as $k => $v) { $html .= ''; $html .= ''; $html .= ''; $html .= ''; foreach($v['COLUMN'] AS $f) { $html .= ''; $html .= ''; $html .= ''; $html .= ''; $html .= ''; $html .= ''; $html .= ''; } $html .= '

表名：' . $v['TABLE_NAME'] . ' ' . $v['TABLE_COMMENT'] . '

字段名	数据类型	默认值	允许非空	自动递增	备注
' . $f['COLUMN_NAME'] . '	' . $f['COLUMN_TYPE'] . '	' . $f['COLUMN_DEFAULT'] . '	' . $f['IS_NULLABLE'] . '	' . ($f['EXTRA'] == 'auto_increment'?'是':' ') . '	' . $f['COLUMN_COMMENT'] . '

'; } /* 生成word */ //header ( "Content-type:application/vnd.ms-word" ); //header ( "Content-Disposition:attachment;filename={$database['DB_NAME']}数据字典.doc" ); /* 生成excel*/ //header ( "Content-type:application/vnd.ms-excel" ); //header ( "Content-Disposition:attachment;filename={$database['DB_NAME']}数据字典.xls" ); // 输出 echo ' 自动生成数据字典 '; echo '

'.$database['DB_NAME'].'数据字典

'; echo '

生成时间：' . date('Y-m-d H:i:s') . '

'; echo $html; echo '

总共：' . count($tables) . '个数据表

'; echo ''; ?>