多数据库查询及数据的分页
//需求 根据不同的时间 连接到不同的数据库
//使用第三方 http://medoo.lvtao.net/ 轻量级的PHP数据库框架, 提高开发效率
参考
function cn_db($StartMonth,$EndMonth)
{
$ToStartMonth = strtotime($StartMonth); //转换一下
$ToEndMonth = strtotime($EndMonth); //一样转换一下
$i = false; //开始标示
while ($ToStartMonth < $ToEndMonth) {
$NewMonth = !$i ? date('Y-m', strtotime('+0 Month', $ToStartMonth)) : date('Y-m', strtotime('+1 Month', $ToStartMonth));
$ToStartMonth = strtotime($NewMonth);
$i = true;
echo $NewMonth . '
';
}
}
cn_db('2017-05','2017-12');
control
//
function.php
//计算需要连接的 数据库
function isSmallTodays($ToStartMonth,$ToEndMonth)
{
$moreConn = [];
$i = false; //开始标示
while( $ToStartMonth < $ToEndMonth ) {
$NewMonth = !$i ? date('Ym', strtotime('+0 Month', $ToStartMonth)) : date('Ym', strtotime(' +1 Month', $ToStartMonth));
$ToStartMonth = strtotime( $NewMonth );
$i = true;
$database = new \Medoo\Medoo([
// 必须配置项
'database_type' => 'mysql',
'database_name' => DB_SERVER_LOG."$NewMonth",
'server' => 'localhost',
'username' => 'root',
'password' => 'root',
'charset' => 'utf8',
// 可选参数
'port' => 3306,
// 可选，定义表的前缀
'prefix' => 'fa_',
// 连接参数扩展, 更多参考 http://www.php.net/manual/en/pdo.setattribute.php
'option' => [
PDO::ATTR_CASE => PDO::CASE_NATURAL
]
]);
array_push($moreConn,$database);
}
return $moreConn;
}
//单数据库
function connectDB($start_time){
$conns = new \Medoo\Medoo([
// 必须配置项
'database_type' => 'mysql',
'database_name' => DB_SERVER_LOG.$start_time,
'server' => "localhost",
'username' => 'root',
'password' => 'root',
'charset' => 'utf8',
// 可选参数
'port' => 3306,
// 可选，定义表的前缀
'prefix' => 'fa_',
// 连接参数扩展, 更多参考 http://www.php.net/manual/en/pdo.setattribute.php
'option' => [
PDO::ATTR_CASE => PDO::CASE_NATURAL
]
]);
return $conns;
}
function mergeData($result)
{
$datas = [];
$len = count($result);
if ($result) {
if ($len > 0) {
for ($i = 0; $i <= $len - 1; $i++) {
foreach ($result[$i] as $value){
array_push($datas, $value);
};
}
}
}
return $datas;
}
//copy 分页
/**
* 数组分页函数 核心函数 array_slice
* 用此函数之前要先将数据库里面的所有数据按一定的顺序查询出来存入数组中
* $count 每页多少条数据
* $page 当前第几页
* $array 查询出来的所有数组
* order 0 - 不变 1- 反序'
*/
function page_array($count,$page,$array,$order){
$page=(empty($page))? '1':$page; #判断当前页面是否为空 如果为空就表示为第一页面
$start=($page-1)*$count; #计算每次分页的开始位置
if($order==1){
$array=array_reverse($array);
}
$totals=count($array);
$countpage= intval(ceil($totals/$count)); #计算总页面数
$pagedata=array_slice($array,$start,$count);
$pages = array('pagedata'=>$pagedata,'countpage'=>$countpage);
return $pages; #返回查询数据
}
/**
* 分页及显示函数
* $countpage 全局变量，照写
* $url 当前url
*/
function show_array($countpage,$url){
$page=empty($_GET['page'])?1:$_GET['page'];
if($page > 1){
$uppage=$page-1;
}else{
$uppage=1;
}
if($page < $countpage){
$nextpage=$page+1;
}else{
$nextpage=$countpage;
}
$str='<div style="border:1px; width:300px; height:30px; color:#9999CC">';
$str.="<span>共 {$countpage} 页 / 第 {$page} 页span>";
// $str.="<span><a href='{$url}?page={$uppage}'> 上一页 a>span>";
$str.="<span><a href='{$url}page={$uppage}'> 上一页 a>span>";
$str.="<span><a href='{$url}page={$nextpage}'>下一页 a>span>";
$str.="<span><a href='{$url}page={$countpage}'>尾页 a>span>";
$str.='div>';
return $str;
}
control
public function indexOp()
{
$condition = array();
if ($_GET['role_id']) {
$condition['role_id'] = $_GET['role_id'];
}
if ($_GET['role_name']) {
$condition['role_name'] = $_GET['role_name'];
}
if ($_GET['online_time']) {
$condition['online_time'] = $_GET['online_time'];
}
$if_start_time = preg_match('/^20\d{2}-\d{2}-\d{2}$/', $_GET['query_start_time']);
$if_end_time = preg_match('/^20\d{2}-\d{2}-\d{2}$/', $_GET['query_end_time']);
$start_unixtime = $if_start_time ? ($_GET['query_start_time']) : null;
$end_unixtime = $if_end_time ? ($_GET['query_end_time']) : null;
if ($start_unixtime || $end_unixtime) {
$condition['login_time'] = array('time', array($start_unixtime, $end_unixtime));
}
$searchtime = $condition['login_time'][1];
if ($searchtime) {
$StartMonth = $searchtime[0]; //开始日期
$EndMonth = $searchtime[1]; //结束日期
$start_time = explode('-', $searchtime[0]);
$end_time = explode('-', $searchtime[1]);
//多数据库 连接
if (strtotime($EndMonth) > strtotime($StartMonth)) {
$ToStartMonth = strtotime($StartMonth); //转换一下
$ToEndMonth = strtotime("$EndMonth -1 month"); //一样转换一下
$newEndTime = date("Y-m-d",$ToEndMonth);
$newStartTime = date("Y-m-d",$ToStartMonth);
//时间小于 一个月
if($newEndTime[1] == $newStartTime[1] && $newEndTime[2] <= $newStartTime[2]){
$conn = [];
$conn1 = connectDB($start_time[0].$start_time[1]);
array_push($conn,$conn1);
$conn2 = connectDB($end_time[0].$end_time[1]);
array_push($conn,$conn2);
}else{
$conn = isSmallTodays($ToStartMonth, $ToEndMonth);
}
}
//单一数据库connect and search
if ($end_time[1] == $start_time[1] && $start_time[0] == $end_time[0]) {
$ToStartMonth = date('Ym',strtotime($StartMonth));
$conns = connectDB($ToStartMonth);
unset($condition['login_time']);
if($condition['online_time'] > 0){
$condi = array("login_time[<>]" => [strtotime($StartMonth), strtotime($EndMonth)],"online_time[>=]" =>$condition['online_time']);
}else {
$condi = array("login_time[<>]" => [strtotime($StartMonth), strtotime($EndMonth)]);
}
unset($condition['online_time']);
$condi = array_merge($condi,$condition);
$datas = $conns->select('player_login_log',"*",$condi);
}
}
//多数据查询
if($conn){
$result = $this->searchFilters($conn, $condition);
}
echo 'pre>';
//合并数据
if($result){
$datas = mergeData($result);
}
//导出表
if($_GET['export']){
$pagesize = 100000;
$this->export($datas,$_GET['export']);
}
if($_GET['page']){
$page = $_GET['page'];
}
$pagesize = 20;
Tpl::output('datas', $datas);
Tpl::output('pagesize', $pagesize);
Tpl::showpage('log/player_login_log.index');
}
public function searchFilters($conn,$filters)
{
$start_time = strtotime($filters['login_time'][1][0]);
$end_time = strtotime($filters['login_time'][1][1]);
unset($filters['login_time']);
if($filters['online_time'] > 0){
$condi = array("login_time[<>]" => [($start_time), ($end_time)],"online_time[>=]" =>$filters['online_time']);
}else {
$condi = array("login_time[<>]" => [($start_time), ($end_time)]);
}
unset($filters['online_time']);
$condi = array_merge($condi,$filters);
$conns = count($conn);
$datas = [];
for($i = 0;$i <= $conns-1;$i++){
$lists = $conn[$i]->select('player_login_log',"*",$condi);
if($lists){
array_push($datas,$lists);
}
}
echo 'pre>';
return $datas;
}
//html
$pages = page_array($output['pagesize'],$_GET['page'],$datas,0);
if($pages['countpage'] > 0){
$str = '';
foreach ($_REQUEST as $key =>$value){
$str .= $key."=".$value.'&';
}
$str = '?'.$str;
$newurl = substr($str,1,strrpos($str,'page'));
$showpage = show_array($pages['countpage'],$str);
echo $showpage;
//跳转
<div style="text-align:right;">
<label class="submit-border">
第 <input style="width: 50px" type="number" name="page" value=" $_GET['page'] ?>" /> 页
<input type="submit" name="page_up" class="submit" value="跳转" />
label>
div>
内的 遍历时间及分页方法 来自别处