layui使用button按钮 点击出现弹层 弹层中加载表单的实例

<div class="layui-input-inline">
 <button type="button" οnclick="selectRole()" class="layui-btn layui-btn-primary layui-btn-radius">选择角色</button>
 </div>

type="button"属性否则将会有问题

//选择角色弹层
 function selectRole(){
 layer.open({
 //layer提供了5种层类型。可传入的值有：0（信息框，默认）1（页面层）2（iframe层）3（加载层）4（tips层）
 type:1,
 title:"查找用户角色",
 area: ['50%','50%'],
 content:$("#popSearchRoleTest").html()
 });
 }

<!-- 选择角色的按钮 -->
 <div class="layui-row" id="popSearchRoleTest" style="display:none;">
 <div class="layui-col-md11">
 <form class="layui-form" lay-filter="formTestFilter2121" >
 <div class="layui-form-item">
 <label class="layui-form-label">用户名：</label>
 <div class="layui-input-inline">
 <input type="text" name="userName" class="layui-input">
 </div>
 <label class="layui-form-label">密码：</label>
 <div class="layui-input-inline">
 <input type="text" name="password" class="layui-input">
 </div>
 </div>
 <div class="layui-form-item">
 <label class="layui-form-label">角色：</label>
 <div class="layui-input-inline">
 <input type="text" name="roleName" class="layui-input">
 </div>
 <div class="layui-input-inline">
 <button οnclick="selectRole()" class="layui-btn layui-btn-primary layui-btn-radius">选择角色</button>
 </div>
 </div>
 <div class="layui-form-item">
 <label class="layui-form-label">备注：</label>
 <div class="layui-input-block">
 <textarea placeholder="请输入内容" class="layui-textarea" name="userDescription"></textarea>
 </div>
 </div>
 <div class="layui-form-item">
 <div class="layui-input-block">
 <button type="button" class="layui-btn layui-btn-normal">提交</button>
 </div>
 </div>
 </form>
 </div>
 </div>