<form th:action="@{/index245}" th:object="${numlk2}" method="post" >
<p style="height:34px;margin-bottom: 5px">
<input type="button" id="zbj" style="background:#FF0000;width:33%;height:36px;font-size:20px"
value="uk1"></input>
<input type="button"id="gxjb" style="background:#aaaaaa;width:33%;height:36px;font-size:20px" th:field="*{biaoshi}"
value="uk2" ></input>
<input type="button" id="qcsj" style="background:#00FF00;width:33%;height:36px;font-size:20px" th:field="*{biaoshi}"
value="uk3"></input>
</p>
<p style="height:34px">
<input type="button" id="cqsj" style="background:#00FFFF;width:33%;height:36px;font-size:20px" th:field="*{biaoshi}"
value="uk4"></input>
<input type="button"id="sdsh" style="background:#FFFF00;width:33%;height:36px;font-size:20px" th:field="*{biaoshi}"
value="uk5"></input>
<input type="button"id="jsgx" style="background:#FF00FF;width:33%;height:36px;font-size:20px" th:field="*{biaoshi}"
value="uk6"></input>
</p>
<p style="height:34px">
<input type="button" id="zhqhfh" style="background:#FF00FF;width:49.5%;height:36px;font-size:20px" th:field="*{biaoshi}"
value="uk7"></input>
<input type="button" id="sh" style="background:#FF0000;width:49.5%;height:36px;font-size:20px" th:field="*{biaoshi}"
value="uk8"></input>
</p>
<div style="height:34px;font-size:20px">
<input type="submit" name="save" id="save" value="submit" style="width:100%;background:#00FF00;font-size:20px"/>
</div>
</form>
我是想比如点击value值为uk1的按钮，就会把数字1（不是按钮的值uk1，而是数字1）传给thymeleaf的biaoshi这个值，按submit提交按钮，就把1这个值会传入到numlk2的biaoshi属性里，并插入数据库。
请问该怎么写，如果要用到js，怎么写？