Java火车票售票问题 java火车票管理系统

博客目录

• JSP火车票预定查询系统

• 实现功能截图
• 技术点总结
• 代码
• 写在最后

JSP火车票预定查询系统

本系统是一套模拟12306网站的火车票一站式操作系统，普通用户可以查询、添加、改签火车票等，管理员可以管理线路、站点、车票等。

实现功能截图

详细功能点：
1、管理员/普通用户登录（注册）
2、修改密码
3、普通用户：查询火车票、订票、我的订单（付款、改签、退票）
4、管理员：管理员信息管理、会员信息管理、火车信息管理、站点信息管理、线路信息管理、车票信息管理、订票信息管理等

注册：

普通用户首页：

火车票查询：

订票：

我的订单：

管理员登录：

管理员首页：

管理员火车信息管理：

站点信息管理：

线路信息管理：

车票信息管理：

订票信息管理：

技术点总结

jsp、Servlet
jdk版本：1.7
tomcat: 7.0
数据库：mysql
开发工具：eclipse

项目包结构分类清晰：

（红色叉号为误报，emmm）

代码

model类“：
Piao.java:

package dp.been;

public class Piao {
	private int id;
	private int tid;
	private String tname;
	private String traintype;
	private int szdid;
	private String szdname;
	private int ezdid;
	private String ezdname;
	private String stime;
	private String pval;
	private String cxzh;
	private String ptype;
	private String yxsj;
	public int getId() {
		return id;
	}
	public void setId(int id) {
		this.id = id;
	}
	public int getTid() {
		return tid;
	}
	public void setTid(int tid) {
		this.tid = tid;
	}
	public String getTname() {
		return tname;
	}
	public void setTname(String tname) {
		this.tname = tname;
	}
	public String getTraintype() {
		return traintype;
	}
	public void setTraintype(String traintype) {
		this.traintype = traintype;
	}
	public int getSzdid() {
		return szdid;
	}
	public void setSzdid(int szdid) {
		this.szdid = szdid;
	}
	public String getSzdname() {
		return szdname;
	}
	public void setSzdname(String szdname) {
		this.szdname = szdname;
	}
	public int getEzdid() {
		return ezdid;
	}
	public void setEzdid(int ezdid) {
		this.ezdid = ezdid;
	}
	public String getEzdname() {
		return ezdname;
	}
	public void setEzdname(String ezdname) {
		this.ezdname = ezdname;
	}
	public String getStime() {
		return stime;
	}
	public void setStime(String stime) {
		this.stime = stime;
	}
	public String getPval() {
		return pval;
	}
	public void setPval(String pval) {
		this.pval = pval;
	}
	public String getCxzh() {
		return cxzh;
	}
	public void setCxzh(String cxzh) {
		this.cxzh = cxzh;
	}
	public String getPtype() {
		return ptype;
	}
	public void setPtype(String ptype) {
		this.ptype = ptype;
	}
	public String getYxsj() {
		return yxsj;
	}
	public void setYxsj(String yxsj) {
		this.yxsj = yxsj;
	}
}

Traininfo.java:

package dp.been;

public class Traininfo {
	private int id;
	private String tname;
	private String cz;
	private String znums;
	private String xcnums;
	private String traintype;
	public int getId() {
		return id;
	}
	public void setId(int id) {
		this.id = id;
	}
	public String getTname() {
		return tname;
	}
	public void setTname(String tname) {
		this.tname = tname;
	}
	public String getCz() {
		return cz;
	}
	public void setCz(String cz) {
		this.cz = cz;
	}
	public String getZnums() {
		return znums;
	}
	public void setZnums(String znums) {
		this.znums = znums;
	}
	public String getXcnums() {
		return xcnums;
	}
	public void setXcnums(String xcnums) {
		this.xcnums = xcnums;
	}
	public String getTraintype() {
		return traintype;
	}
	public void setTraintype(String traintype) {
		this.traintype = traintype;
	}
}

用户端servlet类：
HandlePiaoSvlt.java:

package dp.svlt;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import dp.utils.DbConn;

import net.sf.json.JSONObject;

public class HandlePiaoSvlt extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public HandlePiaoSvlt() {
		super();
	}

	/**
	 * Destruction of the servlet. <br>
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	/**
	 * The doGet method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		this.doPost(request, response);
	}

	/**
	 * The doPost method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to post.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		request.setCharacterEncoding("utf-8");
		response.setCharacterEncoding("utf-8");
		response.setContentType("text/html");
		String id=request.getParameter("idi");
		String flgs=request.getParameter("flgs");
		JSONObject json=new JSONObject();
		DbConn db=new DbConn();
		if("fk".equals(flgs)){
			int bls=db.deleteOrUpdate("update dpiao set lyflag='已付款' where id="+id);
			if(bls>0){
				json.put("dt", 1);
				json.put("msg", "付款成功。");
			}else{
				json.put("dt", 0);
				json.put("msg", "fkerror:01");
			}
		}else if("gq".equals(flgs)){//改签
			int bls=db.deleteOrUpdate("delete from dpiao where id="+id);
			if(bls>0){
				json.put("dt", 2);
				json.put("msg", "改签成功，请重新选票订票。");
			}else{
				json.put("dt", 0);
				json.put("msg", "fkerror:01");
			}
		}else if("lp".equals(flgs)){
			int bls=db.deleteOrUpdate("update dpiao set lyflag='已领票' where id="+id);
			if(bls>0){
				json.put("dt", 1);
				json.put("msg", "领票成功。");
			}else{
				json.put("dt", 0);
				json.put("msg", "lperror:01");
			}
		}else if("tp".equals(flgs)){
			int bls=db.deleteOrUpdate("delete from dpiao where id="+id);
			if(bls>0){
				json.put("dt", 1);
				json.put("msg", "退票成功。");
			}else{
				json.put("dt", 0);
				json.put("msg", "tperror:01");
			}
		}else if("del".equals(flgs)){
			int bls=db.deleteOrUpdate("delete from dpiao where id="+id);
			if(bls>0){
				json.put("dt", 1);
				json.put("msg", "删除成功。");
			}else{
				json.put("dt", 0);
				json.put("msg", "tperror:01");
			}
		}else{
			json.put("dt", 0);
		}
		PrintWriter out = response.getWriter();
		out.print(json.toString());
		out.flush();
		out.close();
	}

	/**
	 * Initialization of the servlet. <br>
	 *
	 * @throws ServletException if an error occurs
	 */
	public void init() throws ServletException {
		// Put your code here
	}

}

DpSvlt.java:

package dp.svlt;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import dp.utils.DbConn;

import net.sf.json.JSONObject;

public class DpSvlt extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public DpSvlt() {
		super();
	}

	/**
	 * Destruction of the servlet. <br>
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	/**
	 * The doGet method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		this.doPost(request, response);
	}

	/**
	 * The doPost method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to post.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		request.setCharacterEncoding("utf-8");
		response.setCharacterEncoding("utf-8");
		response.setContentType("text/html");
		HttpSession session=request.getSession();
		Object userid =session.getAttribute("userid");
		JSONObject json=new JSONObject();
		if(userid==null){
			json.put("msg", "请登录.");
		}else{
			String pid=request.getParameter("pid");
			if("".equals(pid)||pid==null){
				json.put("msg", "error:01");
			}else {
				DbConn db=new DbConn();
				Object cidcard=db.getOnlyOne("select cidcard from cusinfo where id="+userid);
				boolean bl=db.insort("insert into dpiao(cidcard,pid,lyflag) values('"+cidcard+"',"+pid+",'待付款')");
				if(!bl){
					json.put("msg", 1);
				}else{
					json.put("msg", "error:02");
				}
			}
		}
		PrintWriter out = response.getWriter();
		out.print(json.toString());
		out.flush();
		out.close();
	}

	/**
	 * Initialization of the servlet. <br>
	 *
	 * @throws ServletException if an error occurs
	 */
	public void init() throws ServletException {
		// Put your code here
	}

}

管理员端servlet:
CkSvlt.java:

package dp.admin.svlt;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import dp.utils.HandleProperties;

import net.sf.json.JSONObject;

public class CkSvlt extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public CkSvlt() {
		super();
	}

	/**
	 * Destruction of the servlet. <br>
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	/**
	 * The doGet method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		this.doPost(request, response);
	}

	/**
	 * The doPost method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to post.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		//设置传输数据编码方式
		request.setCharacterEncoding("utf-8");
		response.setCharacterEncoding("utf-8");
		response.setContentType("text/html");
		HttpSession session=request.getSession();
		//获取使用者信息
		Object userid=session.getAttribute("userid");
		Object utype=session.getAttribute("utype");
		//创建json对象
		JSONObject json=new JSONObject();
		String sql=request.getParameter("sql");
		if(userid==null||utype==null){
			json.put("msg", "请重新登陆");
		}else{
			HandleProperties hp=new HandleProperties(session,utype+""+userid);
			hp.setValue("sql", sql);
			json.put("msg", 1);
		}
		PrintWriter out=response.getWriter();
		out.print(json.toString());
		out.flush();
		out.close();
	}

	/**
	 * Initialization of the servlet. <br>
	 *
	 * @throws ServletException if an error occurs
	 */
	public void init() throws ServletException {
		// Put your code here
	}

}