1. 需求分析
![](https://img.laitimes.com/img/_0nNw4CM6IyYiwiM6ICdiwiI0gTMx81dsQWZ4lmZf1GLlpXazVmcvwFciV2dsQXYtJ3bm9CX9s2RkBnVHFmb1clWvB3MaVnRtp1XlBXe0xCMy81dvRWYoNHLwEzX5xCMx8FesU2cfdGLwMzX0xiRGZkRGZ0Xy9GbvNGLpZTY1EmMZVDUSFTU4VFRR9Fd4VGdsYTMfVmepNHLrJXYtJXZ0F2dvwVZnFWbp1zczV2YvJHctM3cv1Ce-cmbw5SOzETM1IDM2MDZ3QTZxUDZyYzX3ADO0YTM4EzLcdDMyIDMy8CXn9Gbi9CXzV2Zh1WavwVbvNmLvR3YxUjLyM3Lc9CX6MHc0RHaiojIsJye.png)
如圖所示,需要在使用者編輯的時候能夠回顯資料,并且使其能夠自動渲染下拉框。
<div class="layui-form-item">
<label class="layui-form-label">使用者性别:</label>
<div class="layui-input-block">
<select name="gender" id="gender">
<option value="" >請選擇性别</option>
<option value="1">男</option>
<option value="0">女</option>
</select>
</div>
</div>
2.layui的DOM渲染結構圖
3.如何實作自動選擇?
var select = 'dd[lay-value=' + data.gender + ']';
layero.find("iframe")[0].contentWindow.$('#gender')
.siblings("div.layui-form-select").find('dl').find(select).click();