教你做前端表单文本框必填

<label class="layui-form-label">
       <span style="color: red">*</span>
               用户名称
 </label>
 <div class="layui-input-inline">                  <input type="text" layverify="required" name="userName" id="userName" autocomplete="        off    " class="layui-input">
 </div>

 

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Origin blog.csdn.net/wanggang182007/article/details/121478133