点击input框弹出城市选择下拉框三级联动省市区选择代码 引用相关js文件<script type="text/javascript" src="js/jquery.min.js"></script> <script type="text/javascript" src="js/Popt.js"></script> <script type="text/javascript" src="js/city.json.js"></script> <script type="text/javascript" src="js/citySet.js"></script>触发点击事件$("#city").click(function (e) { SelCity(this,e); }); $("s").click(function (e) { SelCity(document.getElementById("city"),e); });