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<!DOCTYPE html สาธารณะ "-//W3C//DTD XHTML 1.0 การเปลี่ยนผ่าน//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http ://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <title>ตัวเล็ก</title> </head> <body> <form name="form1" method="post"> <select id="s1" name="s1"></select><select id="s2" name="s2"> </select><select id="s3" name="s3"></select><select id="s4" name="s4"></select> </form> <script language="JavaScript"> <!-- function LianDong(arr, sel) { var me = this; this.$ = function(o) { กลับ document.getElementById(o); } this.sub = function (i, pid) { สำหรับ (var j=i+1; j<sel.length; j++) { me.$(sel[j]).length = 0; me.$(sel[j]).options[0] = new Option("请选择", ""); } สำหรับ ( var j = 0; j < arr.length; j++) { if (arr[j][1] == pid) { me.$(sel[i+1]).options[me.$(sel [i+1]).length] = ตัวเลือกใหม่ (arr[j][2], arr[j][0]); } } } this.init = function() { me.sub(-1,"root"); สำหรับ (var i=0; i<sel.length-1; i++) { me.$(sel[i]).onchange = function() { var i; สำหรับ (i=0; me.$(sel[i])!=this; i++); me.sub(i, me.$(sel[i]).value); } } } นี้.init(); } var array=อาร์เรย์ใหม่(); array[0]=new Array("华南地区", "root", "华南地区"); array[1]=new Array("华北地区", "root", "华北地区"); array[2]=new Array("上海", "华南地区", "上海"); array[3]=new Array("广东", "华南地区", "广东"); array[4]=new Array("徐汇", "上海", "徐家汇"); array[5]=new Array("普托", "上海", "普托"); array[6]=new Array("广州", "广东", "广州"); array[7]=new Array("湛江", "广东", "湛江"); array[8]=new Array("湛江1", "湛江", "湛江1"); array[9]=new Array("湛江2", "湛江", "湛江2"); array[10]=new Array("广州1", "广州", "广州1"); array[11]=new Array("广州2", "广州", "广州2"); var select = อาร์เรย์ใหม่ ("s1", "s2", "s3", "s4"); var liandong=new LianDong(อาร์เรย์, เลือก) //--> </script> </body> </html>
