多个提交按钮处理

<form>
  <input type="submit" name="finish" value="完成" />
  <input type="submit" name="success" value="成功" />
  <input type="submit" name="fail" value="失败" />
</form>

服务器端的处理代码：

if (request.getParameter("finish") != null)
{}
else if (request.getParameter("success") != null)
{}
else
{}