开始读取sheet中的单元格数据 #读取excel中A1数据,即第一行第一列,返回“姓名”$sheet->getCell('A1')->getValue();#B1 返回“性别”$sheet->getCell('B1')->getValue();#获取当前总行数$rows=$sheet->getHighestRow();$users=[];#一般excel中第一行为标题,所以实际数据从第二行开始 循环读取for($i...
$perPage = 10; // 每页显示的记录数 $model = new YourModel(); // 替换为您的模型 $totalRows = $model->countAllResults(); // 获取总记录数 $pager = \CodeIgniter\Pager\Pager::new('ajax', 'yourPagerView'); // 替换为您的视图文件 $pager->makeLinks($currentPage, $perPage, $...
$rows=$sheet->getHighestRow();$users=[];# 一般excel中第一行为标题,所以实际数据从第二行开始 循环读取for($i=2;$i<=$rows;$i++){$temp=[];$temp['name']=$sheet->getCell('A'.$i)->getValue();$temp['sex']=$sheet->getCell('B'.$i)->getValue();$temp['age']=$sheet->getCel...
$query = $this->db->query("(SELECT column1, column2 FROM table1) UNION (SELECT column1, column2 FROM table2) UNION (SELECT column1, column2 FROM table3) UNION (SELECT column1, column2 FROM table4)"); $row_count = $query->num_rows(); ...
Number of rows in the query result Return type: int Generates a platform-specific query string that counts all records returned by an Query Builder query. countAll([$reset = true]) Parameters: $reset (bool)– Whether to reset values for SELECTs Returns: Number of rows in the quer...
1505 $sql = $this->compileSelect($this->countString . $this->db->protectIdentifiers('numrows')); 1506 } 1507 1508 if ($this->testMode) { 1509 return $sql; 1510 } 1511 1512 $result = $this->db->query($sql, $this->binds, false); 1513 1514 if ($reset === true) { 1515 $...
$this->db->affected_rows();//更新插入显示影响结果 //显示结果集 return $this->db->query('sql'); //显示插入id return $this->db->insert_id(); //显示my_table有多少行数据 return $this->db->count_all('my_table'); //显示系统使用的数据库 ...
$sql="select count(*) num from user where sex='male'"; $res=$this->db->query($sql)->row_array(); $num=$res['num']; 方法三:在取结果之前打印query返回值,通过获取query内部的属性名来获取num_rows,注意全是属性,不能使用数组格式访问: ...
count在数组或对象上，-〉num_rows（）提供一个int。
_rows"] = $this->GinnerModel->get_count(); $config["per_page"] = 10; $config["uri_segment"] = 2; $choice = $config["total_rows"] / $config["per_page"]; $config["num_links"] = round($choice); $this->pagination->initialize($config); $page = ($this->uri->segment(4))...