本文共计552个文字，预计阅读时间需要3分钟。

php连接数据库并设置字符集，获取所有表名，不显示不需要的表和字段：php$data_dictionary.phpset_charset('utf8');$table_result=$mysql_query('show tables');$no_show_table=array();$no_show_field=array();while ($row=mysqli_fetch_array($table_result)) { // 处理表名}

data_dictionary.php

set_charset('utf8'); $table_result = $mysql->query('show tables'); $no_show_table = array(); //不需要显示的表 $no_show_field = array(); //不需要显示的字段 //取得所有的表名 while($row = mysqli_fetch_array($table_result)){ if(!in_array($row[0],$no_show_table)){ $tables[]['TABLE_NAME'] = $row[0]; } } //替换所以表的表前缀 // if($_GET['prefix']){ // $prefix = 'sent_'; // foreach($tables as $key => $val){ // $tableName = $val['TABLE_NAME']; // $string = explode('_',$tableName); // if($string[0] != $prefix){ // $string[0] = $prefix; // $newTableName = implode('_', $string); // $mysql->query('rename table '.$tableName.' TO '.$newTableName); // } // } // echo "替换成功！";exit(); // } //循环取得所有表的备注及表中列消息 foreach ($tables as $k=>$v) { $sql = 'SELECT * FROM '; $sql .= 'INFORMATION_SCHEMA.TABLES '; $sql .= 'WHERE '; $sql .= "table_name = '{$v['TABLE_NAME']}' AND table_schema = '{$database}'"; $table_result = $mysql->query($sql, $mysql_conn); while ($t = mysqli_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}'"; $fields = array(); $field_result = $mysql->query($sql, $mysql_conn); while ($t = mysqli_fetch_array($field_result) ) { $fields[] = $t; } $tables[$k]['COLUMN'] = $fields; } $mysql->close($mysql_conn); $html = ''; //循环所有表 foreach ($tables as $k=>$v) { $html .= '

' . ($k + 1) . '、' . $v['TABLE_COMMENT'] .' （'. $v['TABLE_NAME']. '）

'."\n"; $html .= ' '."\n"; $html .= ' '."\n"; $html .= ' '."\n"; $html .= ' 字段名'."\n"; $html .= ' 数据类型'."\n"; $html .= ' 默认值'."\n"; $html .= ' 允许非空'."\n"; $html .= ' 自动递增'."\n"; $html .= ' 备注'."\n"; $html .= ' '."\n"; foreach ($v['COLUMN'] as $f) { if(!@is_array($no_show_field[$v['TABLE_NAME']])){ $no_show_field[$v['TABLE_NAME']] = array(); } if(!in_array($f['COLUMN_NAME'],$no_show_field[$v['TABLE_NAME']])){ $html .= ' '."\n"; $html .= ' ' . $f['COLUMN_NAME'] . ''."\n"; $html .= ' ' . $f['COLUMN_TYPE'] . ''."\n"; $html .= ' ' . $f['COLUMN_DEFAULT'] . ''."\n"; $html .= ' ' . $f['IS_NULLABLE'] . ''."\n"; $html .= ' ' . ($f['EXTRA']=='auto_increment'?'是':'') . ''."\n"; $html .= ' ' . $f['COLUMN_COMMENT'] . ''."\n"; $html .= ' '."\n"; } } $html .= ' '."\n"; $html .= ' '."\n"; } ?>

数据库数据字典