我是CI / PHP /开发新手。 我坚持这个问题。 这似乎是非常基本的,但我不能把它做对! 我只能在sql执行时返回最后一个值。
$data['leadd']= $this->dashboard_model->countt($this->session->userdata('user_id')); foreach ($data['leadd'] as $q) { $date = $q['followup_date']; $data['lead']= $this->dashboard_model->lead_count($this->session->userdata('user_id'),$date); } $data['count'] = count($data['lead']);调节器
public function countt($userid) { $sql = $this->db->query("SELECT followup_date FROM tg_partner_data WHERE assign_to = '$userid' AND active = 'Y'"); return $sql->result_array(); } public function lead_count($userid,$date) { $sql1 = $this->db->query("SELECT * FROM tg_partner_data WHERE assign_to = '$userid' AND followup_date = '$date' AND active='Y'"); //echo $this->db->last_query(); return $sql1->result_array(); }模型
I am new to CI/PHP/development. Im stuck on this problem. It seems to be really basic but i just cant get it right! I am able to returning only last value while sql excecution .
$data['leadd']= $this->dashboard_model->countt($this->session->userdata('user_id')); foreach ($data['leadd'] as $q) { $date = $q['followup_date']; $data['lead']= $this->dashboard_model->lead_count($this->session->userdata('user_id'),$date); } $data['count'] = count($data['lead']);controller
public function countt($userid) { $sql = $this->db->query("SELECT followup_date FROM tg_partner_data WHERE assign_to = '$userid' AND active = 'Y'"); return $sql->result_array(); } public function lead_count($userid,$date) { $sql1 = $this->db->query("SELECT * FROM tg_partner_data WHERE assign_to = '$userid' AND followup_date = '$date' AND active='Y'"); //echo $this->db->last_query(); return $sql1->result_array(); }Model
最满意答案
首先,通过执行以下操作,从一个表中选择所有跟进日期:“SELECT followup_date FROM tg_partner_data WHERE assign_to ='$ userid'AND active ='Y'”。
然后,对于每个followup_date,执行另一个查询,但不合并prevoius结果,只是将它们覆盖在foreach循环中。
Foreach循环应该如下所示:
$data['lead'] = array(); foreach ($data['leadd'] as $q) { $date = $q['followup_date']; $data['lead'][] = $this->dashboard_model->lead_count($this->session->userdata('user_id'),$date)); }您也可以重写SQL查询:SELECT COUNT(*)FROM tg_partner_data WHERE assign_to ='$ userid'AND followup_date ='$ date'AND active ='Y'“
它将允许您直接从数据库中获取行数。
First you select all followup dates from one table by executing this: "SELECT followup_date FROM tg_partner_data WHERE assign_to = '$userid' AND active = 'Y'".
Then for each followup_date, you execute another query but you don't merge prevoius results just overwrites them in foreach loop.
Foreach loop should look like this:
$data['lead'] = array(); foreach ($data['leadd'] as $q) { $date = $q['followup_date']; $data['lead'][] = $this->dashboard_model->lead_count($this->session->userdata('user_id'),$date)); }You can also rewrite SQL query: SELECT COUNT(*) FROM tg_partner_data WHERE assign_to = '$userid' AND followup_date = '$date' AND active='Y'"
It will allow you to get number of rows directly from DB.
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