结队作业-地铁查询系统(8)

package Servlet;

import Date.Dao;
import Model.LineModel;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;
@WebServlet("/ServletXian")
public class ServletXian extends HttpServlet {

public Dao da = new Dao();

@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
int no1 = Integer.parseInt( req.getParameter("Xid") );

System.out.println(no1);

LineModel data = new LineModel();
//1.定义一个json数组
JSONArray jsonData = new JSONArray();

data = da.selectkluxian(no1);

for (int i = 0; i < data.getStations().size(); i++) {
//2.定义json对象
JSONObject object = new JSONObject();
String ms = data.getStations().get(i);
System.out.println(ms);
object.put("zname", ms);
//3.将所有的json对象存放在json数组jsonData中
jsonData.add(object);
}
//4.返回json数组
resp.setCharacterEncoding("UTF-8");
resp.getWriter().write(jsonData.toString());;
}

@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

}
}