<?php
namespace app\common\fun;
class DiyData{
/**
* 获取某张表数据 使用方法 fun('diydata@getData',['fid'=>5])
* $table 数据库表名
* $where 条件 数组形式
*/
public function getData($table = null,$where = []){
if($table == null){
return '';
}
$data = db($table) -> where($where) -> select();
return $data;
}
/**
* 获取针对方向的书
* $table 数据库表名
* $strid 条件 id字符串
* $rows 显示条数
*/
public function getfangxiang($table=null, $strid='', $rows=20){
if($table == null){
return '';
}
if(empty($strid)){
return '';
}
$where['id'] = array('in', $strid );
$data = db($table) -> where($where) ->limit($rows)-> select() ;
return $data;
}
/*
* 获取筛选条件url数据
* $data 二维数组
* */
public function getUrlData($k = null){
$data = request() -> get();
if(!empty($k)){
unset($data[$k]);
}
$whereStr = '';
if(!empty($data)){
foreach($data as $key => $val){
if($val == '' || $key == 'page'){
continue;
}
$whereStr .= $key.'='.$val;
if($val != end($data)){
$whereStr .= '&';
}
}
}
return $whereStr;
}
/*
* 选中筛选条件
* $id 选项ID
* $k 类型关键字
* */
public function checked($id,$k){
$data = request() -> get();
$str = '';
if($data[$k] == $id){
$str = 'hover';
}
return $str;
}
/*
*
* 获取数据
* $table 数据表名
* $where 条件 数组形式
* $pagesize 显示数量
* $order 排序方式
* */
public function getList($table,$where,$pagesize = 10, $order = 'view desc'){
$page = empty(input("page")) ? 1 : input("page");
$page = ($page - 1) * $pagesize;
$where = $this -> strToArr($where);
if(!empty($where['title'])){
$where['title'] = array("like", "%{$where['title']}%");
}
//学习目标
$wheremb = 1;
if(!empty($where['learning_objectives'])){
$wheremb = "FIND_IN_SET({$where['learning_objectives']}, learning_objectives)" ;
unset($where['learning_objectives']);
}
//针对方向
$wherefx = 1;
if(!empty($where['direction_oriented'])){
$wherefx = "FIND_IN_SET({$where['direction_oriented']}, direction_oriented)" ;
unset($where['direction_oriented']);
}
//针对院校
$whereyx = 1;
if(!empty($where['universities_colleges'])){
$whereyx = "FIND_IN_SET({$where['universities_colleges']}, universities_colleges)" ;
unset($where['universities_colleges']);
}
//整期收费
$wheresf = 1;
if(!empty($where['cost'])){
$wheresf = "FIND_IN_SET({$where['cost']}, cost)" ;
unset($where['cost']);
}
if(!empty($where['orderby'])){
if($where['orderby'] == 'asc'){
$order = "view asc";
}
unset($where['orderby']);
}
$data = db($table) -> where($where) -> where($wheremb)-> where($wherefx)-> where($whereyx)-> where($wheresf)->
limit($page,$pagesize) -> order($order) -> select();
return $data;
}
/*
*
* 获取分页数据
* $table 数据表名
* $where 条件 数组形式
* $pagesize 显示数量
* */
public function getPage($table,$where,$pagesize = 10){
$page = empty(input("page")) ? 1 : input("page");
$where = $this -> strToArr($where);
if(!empty($where['title'])){
$where['title'] = array("like", "%{$where['title']}%");
}
//学习目标
$wheremb = 1;
if(!empty($where['learning_objectives'])){
$wheremb = "FIND_IN_SET({$where['learning_objectives']}, learning_objectives)" ;
unset($where['learning_objectives']);
}
//针对方向
$wherefx = 1;
if(!empty($where['direction_oriented'])){
$wherefx = "FIND_IN_SET({$where['direction_oriented']}, direction_oriented)" ;
unset($where['direction_oriented']);
}
//针对院校
$whereyx = 1;
if(!empty($where['universities_colleges'])){
$whereyx = "FIND_IN_SET({$where['universities_colleges']}, universities_colleges)" ;
unset($where['universities_colleges']);
}
//整期收费
$wheresf = 1;
if(!empty($where['cost'])){
$wheresf = "FIND_IN_SET({$where['cost']}, cost)" ;
unset($where['cost']);
}
if(!empty($where['orderby'])){
unset($where['orderby']);
}
$total = db($table) -> where($where) -> where($wheremb)-> where($wherefx)-> where($whereyx)-> where($wheresf)-> count();
$totalPage = ceil($total / $pagesize);
if($total <= 0){
return '';
}
$pageHtml = ''; /* * 限制分页条数 start * author：Abner * time：2019.9.25 * */ $starPage = $page - 5 ; if($page <= 5){ $starPage = 1; } $endPage = $page + 5; if($endPage >= $totalPage) { $endPage = $totalPage; } /* * 限制分页条数 end * */
for($i = $starPage; $i <= $endPage; $i++){
$pageHtml .= '<li '.($i == $page ? 'id="num"' : '').'><a href="?page='.$i.'&'.$this -> getUrlData().'">'.$i.'</a></li>';
}
$previousPage = '?page='.(($page - 1) <= 0 ? 1 : $page -1).'&'.$this -> getUrlData(); //上一页链接
$nextPage = '?page='.(($page + 1) >= $totalPage ? $totalPage : $page + 1).'&'.$this -> getUrlData(); //下一页链接
$pageHtml .= '<li><a href="'.$previousPage.'">上一页</a></li>
<li>到第<input id="jumpPage" type="number" class="ye"/>页</li>
<li><a href="'.$nextPage.'">下一页</a></li>';
$minPage = 1;
$maxPage = $totalPage;
$url = '&'.$this -> getUrlData(); //跳转链接
$pageHtml .= <<<EOD
<script>
$("#jumpPage").on("change",function(r){
var page = r.target.value;
if(page <= {$minPage}){
page = {$minPage};
}
if(page >= {$maxPage}){
page = {$maxPage};
}
window.location.href="?page="+page+"{$url}";
});
</script>
EOD;
return $pageHtml;
}
/*
* 将字符串转换为数组
* $str 字符串
* $delimiter 分隔符
* */
public function strToArr($str = '',$delimiter = '&'){
if(empty($str)){
return '';
}
$arr = explode($delimiter,$str);
if($delimiter != '&'){
return $arr;
}
$dataArr = [];
foreach ($arr as $k => $v){
$data = explode("=",$v);
$dataArr[$data['0']] = $data['1'];
}
return $dataArr;
}
/*
* 将关键字转换为HTml格式
* $str 字符串
* $labelStart 标签前半部
* $labelEnd 标签后半部
* */
public function keyToHtml($str = '',$labelStart = '',$labelEnd = ''){
if(empty($str)){
return '';
}
$Arr = explode(',',$str);
$dataStr = '';
foreach ($Arr as $v){
$dataStr .= $labelStart.$v.$labelEnd;
}
return $dataStr;
}
/*
* 获取排行榜来源
* $table 数据表
* $type 查询类型 find：单条记录、select：多条记录
* $where 查询条件 数组形式，例：['id'=>5]
* $fields 返回字段
* */
public function getDiyData($table = '',$where = [],$type = 'find',$fields = '*'){
if(empty($table)){
return '';
}
$data = db($table) -> field($fields) -> where($where) -> $type();
return $data;
}
/*
* 获取点赞状态
* $table 数据表
* $where 查询条件 数组形式，例：['id'=>5]
* return bool 返回布尔
*
* */
public function getCollectState($table = '',$aid){
$where=[
'uid'=>login_user('uid'),
'aid'=>$aid
];
$data = db($table) -> field('id') -> where($where) -> find();
if($data){
return true;
}
return false;
}
}
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