The submit tag of the basic form tag of the Struts2 framework

Struts2 tag submit tag demo code:

<s:form><!-- submit标签必须放在form标签下才会显示并起作用 -->
    <s:submit value="Input Submit"/><!-- 默认type="input" -->
    <s:submit type="button" value="Button Submit"/>
    <s:submit type="image" value="Image Submit"/>
</s:form>
<!-- 与下面三个一一对应 -->
<input type="submit" value="Input Submit"/><br/>
<button type="submit">Button Submit</button><br/>
<input type="image" alt="Image Submit"/>

Icon: