下拉框选中 默认选中（从数据库比较，用户本身的值

<div class="controls" style=" margin-left:83px; padding-top:0px; margin-top:-40px;width:1300px; ">
							<!--品牌1 -->
							<div class="check-item">
								<select name="brand_id1" id="data_cat_id" />
								<option value="0" />选择</option>
									<?php if(is_array($brand)): foreach($brand as $key=>$list): ?><option value="<?php echo ($list["id"]); ?>" <?php if(($current_band[0]) == $list['id']): ?>selected='selected'<?php endif; ?> >
									<?php echo ($list["brand_name"]); ?></option><?php endforeach; endif; ?>
								</select>	 
			
									 
							</div>
							<!--品牌2 -->	 
								<div class="check-item">
								<select name="brand_id2" id="data_cat_id" />
								<option value="0" />选择</option>
									<?php if(is_array($brand)): foreach($brand as $key=>$list): ?><option value="<?php echo ($list["id"]); ?>" <?php if(($current_band[1]) == $list['id']): ?>selected<?php endif; ?> >
									<?php echo ($list["brand_name"]); ?></option><?php endforeach; endif; ?>
								</select>							 
								</div>
								</br>					 
						</div>