| 发表于:2008-01-22 16:08:42 楼主 |
这个问题很简单,高手请认真看完.其实很简单,我说复杂了,主要为了讲清楚. 1: 一个列表菜单: 如下所示 <select name="sort_id" id="sort_id"> <option value="11"> 1 nitro-on-road /1/10 </option> <option value="13"> 1 nitro-on-road /2wd </option> <option value="14"> 1 nitro-on-road /4wd </option> <option value="21"> 2 nitro-off-road /1/10 </option> <option value="22"> 2 nitro-off-road /1/8 </option> <option value="23"> 2 nitro-off-road /2wd </option> <option value="24"> 2 nitro-off-road /4wd </option> <option value="31"> 3 helicopters /electric </option> <option value="32"> 3 helicopters /gasoline </option> <option value="41"> 4 boats /electric </option> <option value="54"> 5 car-bodies /1/16 </option> <option value="55"> 5 car-bodies /1/14 </option> <option value="51"> 5 car-bodies /1/10 </option> <option value="52"> 5 car-bodies /1/8 </option> <option value="56"> 5 car-bodies /1/6 </option> <option value="53"> 5 car-bodies /1/5 </option> <option value="61"> 6 transmitters /radio </option> <option value="62"> 6 transmitters /servo </option> <option value="71"> 7 accessories /cars </option> <option value="72"> 7 accessories /helicopters </option> <option value="73"> 7 accessories /tools set </option> <option value="74"> 7 accessories /exhaust pipe </option> <option value="81"> 8 electric /1/16 </option> <option value="82"> 8 electric /1/14 </option> <option value="83"> 8 electric /1/10 </option> <option value="91"> 9 nitro truck /1/16 </option> <option value="92"> 9 nitro truck /1/10 </option> <option value="93"> 9 nitro truck /1/8 </option> <option value="94"> 9 nitro truck /1/6 </option> <option value="95"> 9 nitro truck /2wd </option> <option value="96"> 9 nitro truck /4wd </option> <option value="101"> 10 gasoline power /on-road </option> <option value="102"> 10 gasoline power /off-road </option> <option value="103"> 10 gasoline power /monster truck </option> <option value="104"> 10 gasoline power /4wd </option> <option value="111"> 11 tire /wheels </option> <option value="112"> 11 tire /tires </option> <option value="113"> 11 tire /tire units </option> <option value="114"> 11 tire /foam </option> <option value="121"> 12 upgrade parts /1/10 </option> <option value="122"> 12 upgrade parts /1/18 </option> <option value="124"> 12 upgrade parts /1/6 </option> <option value="123"> 12 upgrade parts /1/5 </option> <option value="131"> 13 engines /nitro </option> <option value="132"> 13 engines /gasoline </option> <option value="133"> 13 engines /helicopters </option> </select> 2: 如提交表单,点保存后,存入数据库中的表中,表名"product",存入字段是"sort_id"中. 以上没有问题. 问题来了: 我要修改这个表,但是每次都显示第一个项目,每次都要选一下. 我想返回数据库中保存的值,然后这个列表菜单自动选择,和数据库中的值对应统一. 因为有时候不需要修改列表菜单,只修改其它信息.不想每次修改都要选一下. 再次说明: 其实很简单,就是调用数据库,和数据库中的值统一一下. |
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