springboot整合jsp,实现公交车站路线图

<dependency>
  <groupid>org.apache.tomcat.embed</groupid>
  <artifactid>tomcat-embed-jasper</artifactid>
  <scope>provided</scope>
</dependency>

spring.mvc.view.prefix=/
spring.mvc.view.suffix=.jsp

@postconstruct
private void initbusdata(){
  try{
    file file = new file(busmap.getclass().getresource("/").getpath());
    filereader filereader = new filereader(file.getpath()+"/static/busdata.txt","gbk"); //初始化busdata.txt 数据
    list<string> readlines = filereader.readlines();
    for(string str:readlines){
      if(!"".equals(str)){
        string[] data=str.split("#");
        string way=data[0];     //几路线
        string location=data[1];/  /地名
        string[] locations=location.split(",");
        list<bus> list=new arraylist<>();
        for(int i=0;i<locations.length;i++){
          int busnum=0;
          if(i%4==0){        //随机busnum
            busnum=1;
          }if(i%5==0){
            busnum=2;
          }
          bus bus=new bus(locations[i],busnum);
          list.add(bus);
        }
        waylist.add(way);      //添加路线
        busmap.put(way,list);    //添加车站
      }
    }
  }catch (exception e){
    e.printstacktrace();
  }
}

@requestmapping("/way")
public string search(httpservletrequest request,string way) {
  try {
     if(null==way||"".equalsignorecase(way)){
       request.setattribute("list", busmap.waylist); //没有搜索默认显示所有路线
       return "way";
     }else{
       list<string> waylist=new arraylist<>();
       //模糊查询路线
       for(string str:busmap.waylist){
         if(str.indexof(way)>-1){
           waylist.add(str);
         }
       }
       if(waylist.size()>0){
         request.setattribute("list", waylist); //模糊搜索出来的路线列表
         return "way";
       }else{
         return "noview"; //没有所选路线
       }
     }
  } catch (exception e) {
    e.printstacktrace();
  }
  return "way";
}

@requestmapping("/view")
public string view(httpservletrequest request,string way) {
  try {
    list<bus> list= busmap.getbusmap(way);
    if(list.size()>0){
      request.setattribute("list",list ); //获取总路线
      request.setattribute("firstbus", list.get(0).getlocation());       //第一站
      request.setattribute("lastbus", list.get(list.size()-1).getlocation()); //最后一站
      int size = list.size();
      size =(size-1)*99;
      request.setattribute("size",size);
      return "view";
    }
  } catch (exception e) {
    e.printstacktrace();
  }
  return "noview";//没有对应公交车站
}
//前端页面数据渲染
<div class="pagecontent" style="background: #eeeeee;">
  <div class="pageformcontent" layouth="55">
    <div class="timetext">${firstbus}<----->${lastbus}
      <span>（ 首/末班车时间：<span style="color: red">6:00 / 23:00</span>）</span>
    </div>
    <div class="timezone" style="margin-top: 20px">
      <c:foreach var="list" items="${list}" varstatus="s">
        <div class="time" <c:if test="${s.index!=0}"> style="top: ${s.index*100+25}px;" a="1" </c:if> ><a onclick="javascript:alert(1);">${s.index+1}</a>
          <h2>${list.location}</h2>
          <c:if test="${list.busnum>0}">
            <span class="timezone3"></span>
            <div>
              <p><span style="padding-left: 30px;">${list.busnum}辆公交</span></p>
            </div>
          </c:if>
        </div>
      </c:foreach>
    </div>
  </div>
  <div class="formbar"></div>
</div>