标签：总结 HttpServletRequest 每周 resp req HttpServletResponse 第五 import method

每周总结之第五周

package chezhanServlet;

import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.List;

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 javax.servlet.http.HttpSession;

import Dao.DBUtil;
import Dao.Dao;
import Javabean.bean;

/**
* Servlet implementation class chezhanServlet
*/
@WebServlet("/chezhanServlet")
public class chezhanServlet extends HttpServlet {
private static final long serialVersionUID = 1L;

/**
* @see HttpServlet#HttpServlet()
*/
Dao dao = new Dao();
/**
* 方法选择
* @return
* @throws IOException
* @throws ServletException
*/
protected void service(HttpServletRequest req,HttpServletResponse resp) throws ServletException, IOException
{
req.setCharacterEncoding("utf-8");
String method = req.getParameter("method");
if("login".equals(method)) {
login(req,resp);
}else if("addjiben".equals(method)) {
addjiben(req,resp);
}
else if("chaxun".equals(method)) {
chaxun(req,resp);
}
else if("chaxunzm".equals(method)) {
chaxunzm(req,resp);
}
else if("chaxunqishi".equals(method)) {
chaxunqishi(req,resp);
}
}

private void chaxunqishi(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException{
// TODO Auto-generated method stub
String qidian = req.getParameter("qidian");
String zhongdian = req.getParameter("zhongdian");
int qi;
int zhong;
int jingguochezhanshu;

String xianluhao =dao.searchzhandian(qidian);
qi=dao.searchqidian(qidian);
zhong=dao.searchzhongdian(zhongdian);
jingguochezhanshu=zhong-qi;
List<bean> list1 = dao.getallqishi(qi,zhong,xianluhao);
req.setAttribute("list1", list1);
req.setAttribute("jingguochezhanshu", jingguochezhanshu);
req.getRequestDispatcher("/xlxianshi.jsp").forward(req, resp);
}

private void chaxunzm(HttpServletRequest req, HttpServletResponse resp)throws ServletException, IOException {
// TODO Auto-generated method stub
bean be=new bean();
be=null;
String zhanming = req.getParameter("zhanming");


List<bean> list1 = dao.getallzhanming(zhanming);
req.setAttribute("list1", list1);
req.getRequestDispatcher("/chaxun.jsp").forward(req, resp);
}

private void chaxun(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException
{bean be=new bean();
String xianluhao = req.getParameter("spid");
dao.searchxianlu(xianluhao);
be=dao.searchxianlu(xianluhao);
List<bean> list = dao.getallxianluhao(xianluhao);
req.setAttribute("list", list);
req.setAttribute("bean", be);
req.getRequestDispatcher("chaxun.jsp").forward(req, resp);
// req.getRequestDispatcher("/chaxun.jsp").forward(req, resp);
}
private void addjiben(HttpServletRequest req, HttpServletResponse resp) {
// TODO Auto-generated method stub

}

private void login(HttpServletRequest req, HttpServletResponse resp) {
// TODO Auto-generated method stub

}

/**
* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
*/
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub


}

/**
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
*/
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
response.setContentType("text/html;charset=utf-8");




// 将查询出来的用户信息保存到session对象中
HttpSession session = request.getSession();


}

 对于地铁查询 进行了 =页面展示输出 

标签：总结,HttpServletRequest,每周,resp,req,HttpServletResponse,第五,import,method
来源： https://www.cnblogs.com/wyq134214/p/16376446.html

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