SSM实现排课管理系统

1.技术介绍

java+sprinMVC+spring+mysql+mybatis+JSP

开发工具：eclipse或IDEA

2.主要功能说明：

角色管理、菜单管理、用户管理

3.部分代码展示

课程管理控制器

```java

package com.ian.media.controller;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.List;

import java.util.Map;

import javax.annotation.PostConstruct;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpSession;

import com.ian.media.dao.jiaoshiMapper;

import com.ian.media.dao.jiaoshiguanliMapper;

import com.ian.media.model.jiaoshi;

import com.ian.media.model.jiaoshiguanli;

import com.ian.media.util.RandomUtil;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.context.annotation.Scope;

import org.springframework.stereotype.Controller;

import org.springframework.web.bind.annotation.RequestMapping;

import org.springframework.web.bind.annotation.ResponseBody;

import com.ian.media.dao.kechengMapper;

import com.ian.media.dao.paikebiaoMapper;

import com.ian.media.model.kecheng;

import com.ian.media.model.paikebiao;

import java.util.Random;

import java.util.HashSet;

@Controller("kecheng")

@Scope("prototype")

@RequestMapping("kecheng.action")

public class kechengController extends BaseController {

public kechengMapper kechengMapper;

public paikebiaoMapper paikebiaoMapper;

public jiaoshiMapper jiaoshiMapper;

public jiaoshiguanliMapper jiaoshiguanliMapper;

@Autowired

public void setPlansMapperDao(kechengMapper kechengMapper, paikebiaoMapper paikebiaoMapper,jiaoshiMapper jiaoshiMapper,jiaoshiguanliMapper jiaoshiguanliMapper) {

this.kechengMapper = kechengMapper;

this.paikebiaoMapper = paikebiaoMapper;

this.jiaoshiMapper = jiaoshiMapper;

this.jiaoshiguanliMapper = jiaoshiguanliMapper;

}

@PostConstruct

public void setBaseDao() {

super.setBaseDao(kechengMapper);

}

@RequestMapping(params = "add")

@ResponseBody

public Map add(HttpSession session, HttpServletRequest request, kecheng params) {

System.out.println("你好");

Map map = new HashMap();

System.out.print("你好" + params);

kecheng ss = new kecheng();

String a1 = request.getParameter("a1");

String a2 = request.getParameter("a2");

String a3 = request.getParameter("a3");

String a4 = request.getParameter("a4");

String a5 = request.getParameter("a5");

String a6 = request.getParameter("a6");

System.out.println("a1:" + a1 + " a2:" + a2 + " a3: " + a3 + " a4: " + a4);

ss.setA1(a1);

ss.setA2(a2);

ss.setA3(a3);

ss.setA4(a4);

ss.setA5(a5);

ss.setA6(a6);

try {

kechengMapper.insertSelective(ss);

map.put("msg", "添加成功");

map.put("success", true);

} catch (Exception e) {

e.printStackTrace();

map.put("success", false);

map.put("msg", "添加失败");

}

return map;

}

@RequestMapping(params = "update")

@ResponseBody

public Map update(HttpSession session, HttpServletRequest request, kecheng params) {

Map map = new HashMap();

try {

kechengMapper.updateByPrimaryKeySelective(params);

map.put("success", true);

map.put("msg", "修改成功");

} catch (Exception e) {

e.printStackTrace();

map.put("success", false);

map.put("msg", "修改失败");

}

return map;

}

@RequestMapping(params = "jieshu")

@ResponseBody

public Map jieshu(String id) {

Map map = new HashMap();

System.out.println("Hello World1111111111111111. ");

System.out.println("ID:::::::::::::::::::::. " + id);

try {

Map queryMap = new HashMap();

queryMap.put("id", id);

List list = dao.get(queryMap);

for (kecheng str : list) {

System.out.println(str);

int countold = Integer.parseInt(str.getA4());

System.out.println(" countold::::::::::::::: ." + countold + " id:::::::::::" + str.getId());

int countnew = countold >= 1 ? countold - 1 : 0;

str.setA4(String.valueOf(countnew));

System.out.println("new count::::::::::::::: ." + countnew);

kechengMapper.updatejieshu(str);

kecheng _huanshu = new kecheng();

_huanshu.setA1(str.getA1());

_huanshu.setA2(str.getA2());

_huanshu.setA3(str.getA3());

_huanshu.setA4("1");//借书数量，默认一次借1本书

_huanshu.setA5(str.getId().toString());//这里是图书的主键存到a5字段里面

kechengMapper.insertSelectivehuanshu(_huanshu);

map.put("success", true);

map.put("msg", "借书成功");

}

} catch (Exception e) {

e.printStackTrace();

map.put("success", false);

map.put("msg", "借书失败");

}

return map;

}

@RequestMapping(params = "paike")

@ResponseBody

public Map paike(String id, String banji) {

Map map = new HashMap();

System.out.println("班级:::::::::::::::::::::. " + banji);

System.out.println("ID:::::::::::::::::::::. " + id);

paikebiaoMapper.deletepaikeall(banji);

int jieshu = 20;

try {

Map queryMap = new HashMap();

queryMap.put("a5", banji);

List list = dao.get(queryMap);

//获取教室list

List listClassroom = jiaoshiMapper.get(null);

//获取教师list

// List listTeacher = jiaoshiguanliMapper.get(null);

String a1total = "";

kecheng ransznew[] = new kecheng[jieshu];

Integer[] ransz = new Integer[jieshu];

kecheng rankc[] = new kecheng[jieshu];

int indexstart = 0;

for (kecheng str : list) {

int m = Integer.parseInt(str.getA4());

String s2 = "";

int icountindex = 0;

for (int k = indexstart; k < jieshu; k++) {

if (icountindex < m) {

rankc[k] = str;

System.out.println(" k::::::::::::::: ." + k);

System.out.println(" indexstart::::::::::::::: ." + indexstart);

} else {

break;

}

icountindex++;

indexstart++;

}

System.out.println(" 次数::::::::::::::: .");

map.put("success", true);

map.put("msg", "排课成功");

}

Random r = new Random();

List listaa = new ArrayList();

int i;

while (listaa.size() < jieshu) {

i = r.nextInt(jieshu);

if (!listaa.contains(i)) {

listaa.add(i);

}

ransz = listaa.toArray(new Integer[]{});

for (int p = 0; p < ransz.length; p++) {

ransznew[p] = rankc[ransz[p]];

System.out.println(" ransznew::::::::::::::: ." + ransznew[p]);

}

for (int p = 0; p < ransznew.length; p++) {

paikebiao ss = new paikebiao();

String a1 = ransznew[p].getA1();

String a2 = ransznew[p].getA6();

String a3 = RandomUtil.randomEle(listClassroom).getA1();

String a4 = p + "";

String a5 = banji;

System.out.println("a1:" + a1 + " a2:" + a2 + " a3: " + a3 + " a4: " + a4);

ss.setA1(a1);

ss.setA2(a2);

ss.setA3(a3);

ss.setA4(a4);

ss.setA5(a5);

try {

paikebiaoMapper.insertSelective(ss);

map.put("msg", "添加成功");

map.put("success", true);

} catch (Exception e) {

e.printStackTrace();

map.put("success", false);

map.put("msg", "添加失败");

}

System.out.println("a1total::::::::::::::: ." + a1total);

} catch (Exception e) {

e.printStackTrace();

map.put("success", false);

map.put("msg", "排课失败");

}

return map;

}

```

4.系统演示地址：

链接：https://pan.baidu.com/s/1Mg-gNkJ9_Ymofi9mYZEvbg

提取码：n09n

SSM实现排课管理系统

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