标签：map String 管理系统 排课 System SSM new put import
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：
注册、登录、课程管理、排课表、教师管理、教师管理、班级管理、课程教师、学生管理、排课统计
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<kecheng> {
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<Object, Object> add(HttpSession session, HttpServletRequest request, kecheng params) {
System.out.println("你好");
Map<Object, Object> map = new HashMap<Object, Object>();
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<Object, Object> update(HttpSession session, HttpServletRequest request, kecheng params) {
Map<Object, Object> map = new HashMap<Object, Object>();
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<Object, Object> jieshu(String id) {
Map<Object, Object> map = new HashMap<Object, Object>();
System.out.println("Hello World1111111111111111. ");
System.out.println("ID:::::::::::::::::::::. " + id);
try {
Map<Object, Object> queryMap = new HashMap<Object, Object>();
queryMap.put("id", id);
List<kecheng> 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<Object, Object> paike(String id, String banji) {
Map<Object, Object> map = new HashMap<Object, Object>();
System.out.println("班级:::::::::::::::::::::. " + banji);
System.out.println("ID:::::::::::::::::::::. " + id);
//
paikebiaoMapper.deletepaikeall(banji);
int jieshu = 20;
try {
Map<Object, Object> queryMap = new HashMap<Object, Object>();
queryMap.put("a5", banji);
List<kecheng> list = dao.get(queryMap);
//获取教室list
List<jiaoshi> listClassroom = jiaoshiMapper.get(null);
//获取教师list
// List<jiaoshiguanli> 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<Integer> listaa = new ArrayList<Integer>();
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
标签：map,String,管理系统,排课,System,SSM,new,put,import 来源： https://www.cnblogs.com/xiao123456789/p/16398850.html
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