大多网站后台都提供了Mysql备份功能,这里以ThinkPHP为例添加后台SQL在线备份功能
可以显示 表名 记录数 引擎类型 编码 操作(可以优化表,修复表,看表结构,备份表)
HTML文件也一并提供,有效果图
创建一个类 MysqlController.class.php
内容
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| <?php
namespace Admin\Controller;
* [Mysql 数据库备份控制器]
* @Author XiaoFeng
* @Blog www.xfphp.cn
* @DateTime 2015-12-30T09:35:26+0800
* @方法个数 6个(已完成)
*/
class MysqlController extends AdminController{
public function index()
{
$dbName=C('DB_NAME');
$re=M()->query('SHOW TABLE STATUS FROM '.$dbName);
$this->assign("re",$re);
$this->display();
}
public function back()
{
$dbName=C('DB_NAME');
if(empty($_POST['tablearr']))
{
$table=$this->getTable();
}else
{
$table=explode(",",$_POST['tablearr']);
}
$struct=$this->bakStruct($table);
$record=$this->bakRecord($table);
$sqls=$struct.$record;
$dir=$_SERVER['DOCUMENT_ROOT'].__ROOT__.'/Data/';
is_dir($dir) or mkdir($dir,0777);
$dir=$_SERVER['DOCUMENT_ROOT'].__ROOT__.'/Data/'.$dbName.date("Y-m-d").'-'.rand(1,99).".sql";
file_put_contents($dir,$sqls);
if(file_exists($dir))
{
$this->success("备份成功");
}else
{
$this->error("备份失败");
}
}
protected function getTable()
{
$dbName=C('DB_NAME');
$result=M()->query('show tables from '.$dbName);
foreach ($result as $v){
$tbArray[]=$v['Tables_in_'.C('DB_NAME')];
}
return $tbArray;
}
protected function bakStruct($array)
{
foreach ($array as $v){
$tbName=$v;
$result=M()->query('show columns from '.$tbName);
$sql.="--\r\n";
$sql.="-- 数据表结构: `$tbName`\r\n";
$sql.="--\r\n\r\n";
$sql.="DROP TABLE IF EXISTS `$tbName`;\r\n";
$sql.="create table `$tbName` (\r\n";
$rsCount=count($result);
foreach ($result as $k=>$v){
$field = $v['field'];
$type = $v['type'];
$default= $v['default'];
$extra = $v['extra'];
$null = $v['null'];
if(!($default=='')){
$default='default '.$default;
}
if($null=='NO'){
$null='not null';
}else{
$null="null";
}
if($v['Key']=='PRI'){
$key = 'primary key';
}else{
$key = '';
}
if($k<($rsCount-1)){
$sql.="`$field` $type $null $default $key $extra ,\r\n";
}else{
$sql.="`$field` $type $null $default $key $extra \r\n";
}
}
$sql.=") ENGINE=MyISAM DEFAULT CHARSET=utf8;\r\n\r\n";
}
return str_replace(',)',')',$sql);
}
protected function bakRecord($array)
{
foreach ($array as $v){
$tbName=$v;
$rs=M()->query('select * from '.$tbName);
if(count($rs)<=0){
continue;
}
$sql.="--\r\n";
$sql.="-- 数据表中的数据: `$tbName`\r\n";
$sql.="--\r\n\r\n";
foreach ($rs as $k=>$v){
$sql.="INSERT INTO `$tbName` VALUES (";
foreach ($v as $key=>$value){
if($value==''){
$value='null';
}
$type=gettype($value);
if($type=='string'){
$value="'".addslashes($value)."'";
}
$sql.="$value," ;
}
$sql.=");\r\n\r\n";
}
}
return str_replace(',)',')',$sql);
}
public function click()
{
$url=explode("&",$_GET['zhi']);
$do=$url[0];
$table=$url[1];
switch($do)
{
case optimize:
$rs =M()->Query("OPTIMIZE TABLE `$table` ");
if($rs)
{
echo "执行优化表： $table OK！";
}
else
{
echo "执行优化表： $table 失败，原因是：".M()->GetError();
}
break;
case repair:
$rs = M()->Query("REPAIR TABLE `$table` ");
if($rs)
{
echo "修复表： $table OK！";
}
else
{
echo "修复表： $table 失败，原因是：".M()->GetError();
}
break;
default:
$dsql=M()->Query("SHOW CREATE TABLE ".$table);
foreach($dsql as $k=>$v)
{
foreach($v as $k1=>$v1)
{
$rs=$v1;
}
}
echo trim($rs);
}
}
}
|
HTML文件内容,位置
E:\www\project\Application\Admin\View\Mysql\index.html
下面代码是我项目里的源码,继承了后台模版,你要是用注意自行修改
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| <extend name="Layout/index" />
<block name="style">
</block>
<block name="breadcrumb" >
<li>
<i class="icon-home home-icon"></i>
<a href="#">首页</a>
</li>
<li class="active">系统配置</li>
</block>
<block name="page_header">
<h1 onselectstart="return false";>
数据库表
<small>
<i class="icon-double-angle-right"></i>
数据库备份
</small>
</h1>
</block>
<block name="content_main">
<script language="javascript">
function LoadUrl(surl){
$.get('__URL__/click',{'zhi':surl},function(data){
alert(data);
});
}
function HideObj(objname){
var obj = document.getElementByIdx_x(objname);
obj.style.display = "none";
}
function getCheckboxItem(){
var myform = document.form1;
var allSel="";
if(myform.tables.value) return myform.tables.value;
for(i=0;i<myform.tables.length;i++)
{
if(myform.tables[i].checked){
if(allSel=="")
allSel=myform.tables[i].value;
else
allSel=allSel+","+myform.tables[i].value;
}
}
return allSel;
}
function ReSel(){
var myform = document.form1;
for(i=0;i<myform.tables.length;i++){
if(myform.tables[i].checked) myform.tables[i].checked = false;
else myform.tables[i].checked = true;
}
}
function SelAll(){
var myform = document.form1;
for(i=0;i<myform.tables.length;i++){
myform.tables[i].checked = true;
}
}
function NoneSel(){
var myform = document.form1;
for(i=0;i<myform.tables.length;i++){
myform.tables[i].checked = false;
}
}
function checkSubmit()
{
var myform = document.form1;
myform.tablearr.value = getCheckboxItem();
return true;
}
</script>
</head>
<body leftmargin='8' topmargin='8'>
<table width="99%" border="0" cellpadding="3" cellspacing="1" bgcolor="#D6D6D6" class="table table-hover">
<td>
<table width="96%" border="0" cellspacing="1" cellpadding="1" >
<tr>
<td width="24%" style="padding-left:10px;text-align: left;" ><strong>数据库管理</strong></td>
<td width="76%" align="right">
</td>
</tr>
</table>
</td>
</tr> -->
<form name="form1" onSubmit="checkSubmit()" action="back" method="post">
<input type='hidden' name='tablearr' value='' />
<tr bgcolor="#F7F8ED">
<td height="24" colspan="8" style="text-align: left;"><strong>默认系统表：</strong></td>
</tr>
<tr bgcolor="#FBFCE2" align="center">
<td height="24" width="5%">选择</td>
<td width="20%">表名</td>
<td width="8%">记录数</td>
<td width="8%">引擎类型</td>
<td width="8%">编码</td>
<td width="17%">操作</td>
</tr>
<volist name="re" id="vo">
<tr bgcolor="#FFFFFF" align="center">
<td height="24" width="5%">
<input type="checkbox" name="tables" value="<{$vo.name}>" class="np" style="width: 16px;height: 16px;vertical-align: -3px;" />
</td>
<td width="20%"><{$vo.name}></td>
<td width="8%"><{$vo.rows}></td>
<td width="8%"><{$vo.engine}></td>
<td width="8%"><{$vo.collation}></td>
<td>
<a href="#" onClick="LoadUrl('optimize&<{$vo.name}>');">优化</a> |
<a href="#" onClick="LoadUrl('repair&<{$vo.name}>');">修复</a> |
<a href="#" onClick="LoadUrl('viewinfo&<{$vo.name}>');">结构</a>
</td>
</tr>
</volist>
<tr bgcolor="#ffffff">
<td height="24" colspan="8">
<input name="b1" type="button" id="b1" class="coolbg np" onClick="SelAll()" value="全选" />
<input name="b2" type="button" id="b2" class="coolbg np" onClick="ReSel()" value="反选" />
<input name="b3" type="button" id="b3" class="coolbg np" onClick="NoneSel()" value="取消" />
<input type="Submit" name="Submit" value="提交" class="coolbg np" id="tijiao" />
</td>
</tr>
</form>
<script>
tijiao.onclick=function(){
if(getCheckboxItem()==''){
$(this).attr('type','button');
alert('请选择要备份的表!!!');
}
}
</script>
</table>
</block>
|
效果图
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奥巴马不是马：备份的sql是空的
2017-07-06 17:51:16 回复