php - 根据php中的下拉值将数据库值获取到多个文本框
问题描述
我想根据下拉选择自动从数据库中填充文本框值.....我已经尝试过了,但是在选择下拉列表后页面正在刷新,但值没有填充到文本框......需要帮助!
控制器:
public function isrexpense()
{
$data['query'] = $this->Isr_model->getstates();
$data['names'] = $this->Isr_model->getAllNames();
$data['query1'] = $this->Isr_model->test();
$this->load->view("header");
$this->load->view('Isr/isrexpense', $data);
$this->load->view("footer");
}
模型:
function test()
{
$this->db->select('da_hq');
$this->db->from('isr_policy_master');
$this->db->where('state', $this->input->post('state'));
$query = $this->db->get();
return $query->result();
}
看法:
<select class="js-example-basic-single form-control">
<?php
foreach($names as $row)
{
echo '<option></option>';
echo '<option value="'.$row->name.'">'.$row->name.'</option>';
}
?>
</select>
<select class="state form-control" id="state" name="state">
<?php
foreach($query as $row)
{
echo '<option value="'.$row->state_code.'">'.$row->state_name.'</option>';
} ?>
</select>
<script>
$('#state').on('change', function(){
var mainselection = this.value; // get the selection value
$.ajax({
type: "POST", // method of sending data
url: "<?php echo site_url(); ?>/Isr/isrexpense",
data:'selection='+mainselection,
success: function(result)
{
$("#hqda").html(result);
}
});
});
</script>
<input id="hqda" name="hqda" class="form-control" required type="number">
解决方案
控制器 :
public function isrexpense()
{
$data['query'] = $this->Isr_model->getstates();
$data['names'] = $this->Isr_model->getAllNames();
$this->load->view("header");
$this->load->view('Isr/isrexpense', $data);
$this->load->view("footer");
}
public function getValFromDb()
{
$state = $this->input->post('selection');
$query1 = $this->Isr_model->test($state);
echo json_encode(array('data'=>$query1));
}
模型:
function test($state)
{
$this->db->select('da_hq');
$this->db->from('isr_policy_master');
$this->db->where('state', $state);
$query = $this->db->get();
$result = $query->result();
if(count($result)>0)
{
return $result[0]['da_hq'];
}
else
{
return '';
}
}
看法 :
<script>
$('#state').on('change', function(){
var mainselection = this.value; // get the selection value
$.ajax({
type: "POST", // method of sending data
url: "<?php echo site_url(); ?>/Isr/getValFromDb",
data:'selection='+mainselection,
success: function(result)
{
console.log(result); // check this in your console and if require than use JSON.parse to get value
$("#hqda").val(result.data);
}
});
});
</script>
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