使用msql数据库

Question

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<div class="row float-left">

  <div class="col-lg-5">
    <div class="form-group">
      <label for="input" class="col-lg-4 control-label">Impact</label>
      <div class="col-lg-8">
        <select name="sla" class="form-control">
		  <option>Select </option>
              <?php if(count($sla_list)):?>
			  <?php foreach($sla_list as $sla_lists):?>
			  <option value=<?php echo $sla_lists->name;?>> <?php echo $sla_lists->name; set_select('name');?></option>
			  <?php endforeach; ?>
			  <?php else: ?>
			  <?php endif; ?>

		  </select>
        <div class="col-lg-10">
          <?php echo form_error('sla'); ?>
        </div>
      </div>
    </div>

  </div>
  <div class="col-lg-5">
    <div class="form-group">
      <label for="input" class="col-lg-4 control-label">Priority</label>
      <div class="col-lg-8">
        <select name="priority" class="form-control">
		  <option>Select </option>
              <?php if(count($priority_list)):?>
			  <?php foreach($priority_list as $priority):?>
			  <option value=<?php echo $priority->name;?>> <?php echo $priority->name; set_select('name');?></option>
			  <?php endforeach; ?>
			  <?php else: ?>
			  <?php endif; ?>

		  </select>
        <div class="col-lg-10">
          <?php echo form_error('priority'); ?>
        </div>
      </div>
    </div>

  </div>
</div>

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//我想从数据库表自动设置严重性有两个不同的表一个有值h / m / l和其他有p1 / p2 / p3通过乘以矩阵我要显示的严重程度取决于动态选择的下拉列表如何在codeiginter中做到这一点