前端短信验证码60秒只能点击一次怎么实现？

Question

      <ul class="sign_up_list">
            <li class="newinput" ng-show="show_signup_code">
              <span class="input-text">
                  姓名:
              </span>
              <input type="text" placeholder="姓名" name="nickname" class="nickname ng-pristine ng-untouched ng-empty ng-invalid ng-invalid-required" style="">
          </li>
          <li class="newinput" ng-show="show_signup_code">
              <span class="input-text">
                  手机号码:
              </span>
              <input type="text" placeholder="手机号码" name="username" class="username ng-pristine ng-untouched ng-empty ng-invalid ng-invalid-required" style="">
          </li>
             <li class="newinput input_iphone_code">
              <span class="input-text">
                  验证码:
              </span>
              <input type="text" placeholder="短信验证码" name="phonecode" class="phonecode ng-pristine ng-valid ng-empty ng-touched" style="">
              <span class="code_btn ng-binding"  onclick ="return get_svg();">
                  获取验证码
              </span>
          </li>

          <li class="newinput">
              <span class="input-text">
                  密码:
              </span>
              <input type="password" placeholder="密码" name="upwd" required="" class="ng-pristine ng-untouched ng-empty ng-invalid ng-invalid-required" style="">
          </li>
          <li class="newinput">
              <span class="input-text">
                  确认密码:
              </span>
              <input type="password" placeholder="确认密码" name="upwd2" required="" class="ng-pristine ng-untouched ng-empty ng-invalid ng-invalid-required" style="">
          </li>
          <li class="newinput">
              <span class="input-text">
                  推荐码:
              </span>
              <input class="sign_code ng-pristine ng-untouched ng-valid ng-empty" {if $oid} value="{$oid}" readonly="readonly" {/if} placeholder="推荐码" name="oid" style="">
          </li>
                      <!--<div>
            <input type="checkbox" name="agreement" checked="checked" id="agreement">
            <a>点击注册即同意<a href="javascript:;" id="about">《用户协议》</a></a></input>
          </div>-->
      </ul>

      <button class="newbutton sign_up_btn" onclick="return checkform(this.form);" >
          注册登陆
      </button>

  </div>

Answer 1

调用短信API ，应该交给后端来完成，前端提交即可。