使用layui弹出层layer.open弹出需要的表单

<form class="layui-form" id="test" style="display:none">
  <div class="layui-form-item">
    <label class="layui-form-label">输入框</label>
    <div class="layui-input-block">
      <input type="text" name="title" required  lay-verify="required" placeholder="请输入标题" autocomplete="on" class="layui-input" id="username" style="width:100px">
    </div>
  </div>
  <div class="layui-form-item">
    <label class="layui-form-label">密码框</label>
    <div class="layui-input-inline">
      <input type="password" name="password" required lay-verify="required" placeholder="请输入密码" autocomplete="on" class="layui-input">
    </div>
    <div class="layui-form-mid layui-word-aux">辅助文字</div>
  </div>
  <div class="layui-form-item">
    <label class="layui-form-label">选择框</label>
    <div class="layui-input-block">
     <select name="quiz" lay-search>
  <option value="">请选择</option>
  <optgroup label="城市记忆">
    <option value="你工作的第一个城市">你工作的第一个城市？</option>
  </optgroup>
  <optgroup label="学生时代">
    <option value="你的工号">你的工号？</option>
    <option value="你最喜欢的老师">你最喜欢的老师？</option>
  </optgroup>
</select>
    </div>
  </div>
  <div class="layui-form-item">
    <label class="layui-form-label">复选框</label>
    <div class="layui-input-block">
      <input type="checkbox" name="like[write]" title="写作" lay-skin="primary">
      <input type="checkbox" name="like[read]" title="阅读" checked lay-skin="primary">
      <input type="checkbox" name="like[dai]" title="发呆" lay-skin="primary">
    </div>
  </div>
  <div class="layui-form-item">
    <label class="layui-form-label">开关</label>
    <div class="layui-input-block">
      <input type="checkbox" name="switch" lay-skin="switch" lay-text="开启|关闭">
    </div>
  </div>
  <div class="layui-form-item">
    <label class="layui-form-label">单选框</label>
    <div class="layui-input-block">
      <input type="radio" name="sex" value="男" title="男">
      <input type="radio" name="sex" value="女" title="女" checked>
    </div>
  </div>
  <div class="layui-form-item layui-form-text">
    <label class="layui-form-label" >文本域</label>
    <div class="layui-input-block">
      <textarea lay-verify="required" name="desc" placeholder="请输入内容" class="layui-textarea"></textarea>
    </div>
  </div>
</form>
<button id="div">提交</button>

layer.open({
 type:1,
 area:['500px','600px'],
  title: 'tianxie'
  ,content: $("#test"),
  shade: 0,
  btn: ['提交', '重置']
  ,btn1: function(index, layero){
  var kk=$("#username").val();
  alert(kk);
  },
  btn2: function(index, layero){
   alert("2222");
   return false;
  },
cancel: function(layero,index){ 
   layer.closeAll();
  }

});