html 巧用data-for藏自定义属性

 <div class="form-ele">
                            <label for="week" class="label col-1">显示日期</label>
                            <div class="form-inner col-10">
                                <div class="ele-radio" data-for="week" data-double="1">
                                <a href="javascript:;" value="1" <?php echo !isset($data) || strpos($data['display_week'], '1') !== false ? 'class="now"' : ''; ?>>周一</a>
                                <a href="javascript:;" value="2" <?php echo !isset($data) || strpos($data['display_week'], '2') !== false ? 'class="now"' : ''; ?>>周二</a>
                                <a href="javascript:;" value="3" <?php echo !isset($data) || strpos($data['display_week'], '3') !== false ? 'class="now"' : ''; ?>>周三</a>
                                <a href="javascript:;" value="4" <?php echo !isset($data) || strpos($data['display_week'], '4') !== false ? 'class="now"' : ''; ?>>周四</a>
                                <a href="javascript:;" value="5" <?php echo !isset($data) || strpos($data['display_week'], '5') !== false ? 'class="now"' : ''; ?>>周五</a>
                                <a href="javascript:;" value="6" <?php echo !isset($data) || strpos($data['display_week'], '6') !== false ? 'class="now"' : ''; ?>>周六</a>
                                <a href="javascript:;" value="0" <?php echo isset($data) && strpos($data['display_week'], '0') !== false ? 'class="now"' : ''; ?>>周天</a>
                                </div>
                              <input type="hidden" name="display_week"  id="week"  value="<?php echo isset($data) ? $data['display_week'] : '123456'; ?>" required />
                            </div>
  </div>