php mysql query
php mysql query
<?php /** * 生成mysql数据字典 */ header("Content-type: text/html; charset=utf-8"); //配置数据库 $dbserver = "localhost"; $dbusername = "root"; $dbpassword = ""; $database = "fw"; //其他配置 $mysql_conn = @mysql_connect("$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); $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 = mysql_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']){ $prefix = 'ych'; foreach($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 = 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}'"; $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); $html = ''; //循环所有表 foreach ($tables as $k=>$v) { $html .= ' <h3>' . ($k + 1) . '、' . $v['TABLE_COMMENT'] .' ('. $v['TABLE_NAME']. ')</h3>'."\n"; $html .= ' <table border="1" cellspacing="0" cellpadding="0" width="100%">'."\n"; $html .= ' <tbody>'."\n"; $html .= ' <tr>'."\n"; $html .= ' <th>字段名</th>'."\n"; $html .= ' <th>数据类型</th>'."\n"; $html .= ' <th>默认值</th>'."\n"; $html .= ' <th>允许非空</th>'."\n"; $html .= ' <th>自动递增</th>'."\n"; $html .= ' <th>备注</th>'."\n"; $html .= ' </tr>'."\n"; foreach ($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 .= ' <tr>'."\n"; $html .= ' <td class="c1">' . $f['COLUMN_NAME'] . '</td>'."\n"; $html .= ' <td class="c2">' . $f['COLUMN_TYPE'] . '</td>'."\n"; $html .= ' <td class="c3">' . $f['COLUMN_DEFAULT'] . '</td>'."\n"; $html .= ' <td class="c4">' . $f['IS_NULLABLE'] . '</td>'."\n"; $html .= ' <td class="c5">' . ($f['EXTRA']=='auto_increment'?'是':' ') . '</td>'."\n"; $html .= ' <td class="c6">' . $f['COLUMN_COMMENT'] . '</td>'."\n"; $html .= ' </tr>'."\n"; } } $html .= ' </tbody>'."\n"; $html .= ' </table>'."\n"; } ?> <!doctype html> <html> <head> <meta charset="utf-8"> <title>数据库数据字典</title> <style> body, td, th { font-family: "微软雅黑"; font-size: 14px; } .warp{margin:auto; width:900px;} .warp h3{margin:0px; padding:0px; line-height:30px; margin-top:10px;} table { border-collapse: collapse; border: 1px solid #CCC; background: #efefef; } table th { text-align: left; font-weight: bold; height: 26px; line-height: 26px; font-size: 14px; text-align:center; border: 1px solid #CCC; padding:5px;} table td { height: 20px; font-size: 14px; border: 1px solid #CCC; background-color: #fff; padding:5px;} .c1 { width: 120px; } .c2 { width: 120px; } .c3 { width: 150px; } .c4 { width: 80px; text-align:center;} .c5 { width: 80px; text-align:center;} .c6 { width: 270px; } </style> </head> <body> <p class="warp"> <?php echo $html; ?> </p> </body> </html>
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