<!DOCTYPE html><html><head lang="en"> ???<meta charset="UTF-8"> ???<title></title></head><body> ???<form> ???????<textarea> ???????</textarea> <!--多行文本输入--> ???????<select name="city" multiple="multiple" size="10"> <!--下拉框标签,会将ocity=1提交后台。multiple开启多选，显示多个option使用size--> ???????????<option value="1">西安</option> ???????????<option value="2" selected="selected">咸阳</option> <!--默认选中使用select--> ???????????<option value="3">宝鸡</option> ???????</select> ???</form></body></html>
html_select
原文地址：https://www.cnblogs.com/flags-blog/p/10263332.html