提交表单一种方式

https://files.cnblogs.com/files/php-qiuwei/sweetalert.min.js
https://files.cnblogs.com/files/php-qiuwei/sweetalert.css
 1 <form action="" method="post" id="regForm">
 2     <div>
 3         <div class="log_tex">
 4             <label style="font-size: 0.14rem;">认筹ETH数量</label>
 5             <input type="text" name="buynum" id="buynum"  onkeyup="duihuan()" onfocus="this.value='';" autocomplete="off"/>
 6             <!-- <input type="text" placeholder="ETH数量" name="username" id="username"> -->
 7         </div>
 8         <div class="log_tex">
 9             <label style="font-size: 0.14rem;">本人ETH钱包</label>
10             <input type="text" name="selfaddress" id="selfaddress"  autocomplete="off"/>
11             <!-- <input type="password" placeholder="本人ETH钱包" name="password" id="password"> -->
12         </div>
13         <div class="log_tex">
14             <label style="font-size: 0.14rem;">官方ETH钱包</label>
15             <input type="text" name="guanfangaddress" id="guanfangaddress" />
16             <div style="text-align:center;"></div>
17             <!-- <input type="password" placeholder="官方ETH钱包" name="repassword" id="repassword"> -->
18         </div>
19 
20         <div class="log_go" style="margin-top:0px;">
21             <button style="background:#54A0E1;color:#fff;">
22                 <span><a href="javascript:void (0)" onclick="register()" >确认</a></span>
23             </button>
24       
25         </div>
26     </div>
27 </form>
28 
29 <script>
30     function register(){
31         var guanfangaddress = $("#guanfangaddress").val();
32         var buynum = $("#buynum").val();
33         var selfaddress = $("#selfaddress").val();
34 
35         if(buynum=='' || buynum.replace(/s/g,'') =='' || isNaN(buynum) || buynum<=0 ){
36             swal("失败", "请填写数量", "error");
37             return;
38         }
39         if(selfaddress=='' || selfaddress.replace(/s/g,'') =='' ){
40             swal("失败", "请填写地址", "error");
41             return;
42         }
43         if(guanfangaddress==''){
44             swal("失败", "请填写官方地址", "error");
45             return;
46         }
47 
48 
49         $("#regForm").submit();
50     }
51 </script>