yourphp基本语句

URL(‘Service-Pro/arr‘)
如：$url = URL(‘Service-Pro/arr‘).‘&p=‘;   // 5.定义连接

$where[‘name‘]=‘百度‘;
$list = $m->where($where)->select();

还有其他几中
1.$where = ‘and status =1‘;
2.$where[‘status‘]=‘1‘;
3.$list = $m->where(‘status=1‘)->select(); 
4.$where[‘title‘] = array(‘like‘,‘%‘.$title.‘%‘);

public function arr(){
        $m = M(‘problem‘);          //0.基本条件
        $pagesize = ‘1‘;
        $p = $_GET[‘p‘]; 
        
        if(empty($_GET[‘title‘])){
            $title = ‘‘;    
        }else{
            $title = $_GET[‘title‘];
            
        }
        $where[‘title‘] = array(‘like‘,‘%‘.$title.‘%‘);   // 1.查询条件
        $where[‘status‘] = ‘1‘;
        
        $totalNum=$m->where($where)->count();   // 2.总几条数据
        $totalpage = intval($totalNum/$pagesize);   // 3.计算分页[共几页]
        $totalp = $totalNum%$pagesize;
        if($totalp !=0){
            $totalpage +=1;    
        }
        
        $nowpage = $p;                          // 4. 翻页分4个节点【当前页，上一页，下一页，尾页】
        if($p<=1){
            $nowpage = ‘1‘;
        }
        $nowsize = $nowpage*$pagesize-$pagesize;    // [当前条数]
        
        
        $firstpage = 1;
        $prevpage = $nowpage-1;  //[上一页]
        if($prevpage<=$nowpage){
            $prevpage = $nowpage;    
        }
        $nextpage = $nowpage+1;   //[下一页]
        if($nextpage>=$totalpage){
            $nextpage = $totalpage;    
        }
        $lastpage = $totalpage;  //[尾页]
        
        $url = URL(‘Service-Pro/arr‘).‘&title=‘.$title.‘&p=‘;   // 5.定义连接


        $page = ‘<a class="a1">共‘.$totalNum.‘条 当前‘.$nowpage.‘/‘.$totalpage.‘页</a>‘;
        $page .= ‘<a href="‘.$url.$firstpage.‘">第一页</a>‘;
        $page .= ‘<a href="‘.$url.$prevpage.‘">上一页</a>‘;
        $page .= ‘<a href="‘.$url.$nextpage.‘">下一页</a>‘;
        $page .= ‘<a href="‘.$url.$lastpage.‘">尾页</a>‘;
        
        $list = $m->where($where)->limit($nowsize,$pagesize)->order(‘createtime desc‘)->select();
        $this->assign(‘ser_title‘,$title);
        $this->assign(‘page‘,$page);
        $this->assign(‘list‘,$list);
        $this->display();
    }