類別下拉選單,我們屆時會將類別儲存在「ugm_p_kind」資料表,當我們需要選單時,再從資料表撈出
	不過這裡,我們先用陣列來代替
	程式 - 預設值
	
  $row['kind'] = isset($row['kind']) ? $row['kind']: "";  
  $row['kind_options'] = get_kind_options($row['kind']);
	程式 - 函數(取得選項,傳入預設值,selected 代表選擇)
	
function get_kind_options($default=""){
  global $db;
  $kind_options = array(
    "1"=>"類別1",
    "2"=>"類別2",
    "3"=>"類別3",
    "4"=>"類別4",
    "5"=>"類別5"
  );  
  $options = "";
  foreach($kind_options as $key=> $option){
    $selected = ($default == $key) ? " selected":"";
    $options .="<option value='{$key}'{$selected}>{$option}</option>";
  }
  return $options;
}
	樣板
	
          <div class="col-sm-3">
            <div class="form-group">
              <label for="kind">類別</label>
              <select name="kind" class="form-control" size="1">
                <{$row.kind_options}>
              </select>
            </div>
          </div>