2 回答

TA貢獻(xiàn)1851條經(jīng)驗(yàn) 獲得超3個贊
public function get_members_for_attendence()
{
$date = $this->input->post('choose_date');
$sql = 'SELECT a.date, c.member_name,c.member_join_date,c.member_payment_date,c.member_exp_date,c.member_payment_date,c.member_contact, c.member_reg_id,
CASE
WHEN a.status = "absent" THEN "Absent"
WHEN a.status = "present" THEN "Present"
ELSE "Not Taken"
END as attendence_status
FROM member_reg AS c
LEFT JOIN attendence AS a ON a.member_reg_id = c.member_reg_id AND a.date = "'.$date.'"';
$query = $this->db->query($sql);
return $query->result();
}
對于 CodeIgniter 3, 它對我有用

TA貢獻(xiàn)1844條經(jīng)驗(yàn) 獲得超8個贊
SELECT c.olumns
, y.ou
, a.ctually
, w.ant
FROM students s
JOIN attendance a
ON a.classno = s.classno
WHERE s.classno = :id
ORDER
BY s.bluecard_no ASC
, a.date";
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