可以对资源进行增删改

src/main/resources/templates/register.html

@@ -20,7 +20,7 @@
     <input type="password" name="repassword" class="form-control" placeholder="确认密码" required="">
     <input type="text" name="code" class="form-control" placeholder="社区邀请码" required="">
 
-    <button class="btn btn-lg btn-primary btn-block mt-3" type="submit">注 册</button>
+    <button class="btn btn-lg btn-primary btn-block mt-3" type="submit" onclick="this.disabled=true; this.form.submit();">注 册</button>
 
     <p class="clearfix">
         <a th:href="@{/toLogin}" class="float-right">已有账号？去登录</a>