<script language="javascript"type="text/javascript"> 2 $(document).ready(function () { 3 var gettime = function () { 4 var dt = this.options[this.selectedindex].value;//获取当前触发Change事件select控件当前选中项的值 5 $.get("./FTimeList",{ date: dt,time: new Date().getTime() },function (data) {//将选中值传入,作为查询条件 6 var time = data.getElementsByTagName("time");//以<time></time>为标签去子元素,list 7 var hl = ""; 8 for (var i = 0; i < time.length; i++) { 9 hl += "<option value=\"" + time[i].firstChild.data + "\" >" + time[i].firstChild.data + "</option>"; 10 //遍历time赋值给h1(此处做成<option>标签样式) 11 } 12 $("#DroTime").html(hl); //赋值给ID为DroTime的dropdownlist实现绑定 13 }); 14 } 15 $("#DroDate").change(gettime);//事件绑定是ID为DroDate的下拉框触发事件，然后将你选中的值传到后台，然后根据这个值查出数据返回绑定 给标签为DroTime的下拉框 16 var getdate = function () { //和上面差不多，是下一级的级联选项，如果不需要可以不用 17 dc = this.options[this.selectedindex].value; 18 $.get("./STeaTime",{ TID: dc,function (data) { 19 var date = data.getElementsByTagName("date"); 20 var hl = ""; 21 for (var i = 0; i < date.length; i++) { 22 hl += "<option>" + date[i].firstChild.data + "</option>"; 23 } 24 $("#DroDate").html(hl); 25 gettime; 26 }); 27 } 28 $("#DroTec").change(getdate); 29 }); 30 </script>
以下是后台Action代码:
1 public ActionResult FTimeList(string date) 2 { 3 string strr="<?xml version=\"1.0\"?><node>";//加XML文件头 4 if (TeacherID != null) 5 { 6 var TeacherName = from s4 in wtDB.View_TeacherName 7 where s4.TeacherID == TeacherID 8 select s4; 9 if (TeacherName.Count() > 0) 10 { 11 12 var TeacherTime = from s4 in wtDB.WT_AvailableTime 13 where s4.CustomerId == TeacherName.First().Id && s4.Date ==Convert.ToDateTime(date)//用户ID 14 select new { s4.StartTimeId,s4.Date }; 15 List<SelectListItem> TimeList = new List<SelectListItem>();// 老师有空时间 16 List<SelectListItem> DateList = new List<SelectListItem>();//日期 17 if (TeacherTime.Count() > 0) 18 { 19 foreach (var time in TeacherTime) 20 { 21 var timeinfo = from s5 in wtDB.WT_Hours 22 where s5.Id == time.StartTimeId 23 select s5;//前面的都可以忽略，我功能上要用到的查询语句 24 foreach (var time2 in timeinfo) 25 { 26 strr += "<time>" + time2.Time + "</time>";//构造返回的数据，以<time>为节点，前台也以<time>为节点取值 27 } 28 29 30 } 31 } 32 } 33 } 34 strr += "</node>";//结尾 35 36 return Content(strr,"text/xml"); 37 }