js页面展示省市联动

1、regions.js

var s=["attr_gsdq","attr_gsdq2"]; var opt0 = ["请选择","请选择"]; function setup() { for(i=0;i<s.length-1;i++) document.getElementById(s[i]).onchange=new Function("change("+(i+1)+")"); change(0); }         $("select[name='attr_gsdq']").after("  <select id='attr_gsdq2' name='attr_gsdq2' >");$("select[name='attr_gsdq']").attr("id","attr_gsdq");setup();

2、region.js

        var a = AreaSelector();a.init();$("select[name='attr_gsdq']").val(selectSheng);a.initCity();$("select[name='attr_gsdq2']").val(selectShi);