开发工具：idea或eclipse
数据库：mysql 数据库连接工具：navcat
## 环境
- <b>IntelliJ IDEA</b>
- <b>Mysql 5.7</b>
- <b>JDK 1.8</b>
演示视频：
基于ssm jsp校园活动资讯管理系统源码java社团活动管理系统
package com.my.xymh.controller;
import java.io.File;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.multipart.commons.CommonsMultipartFile;
import com.my.xymh.base.BaseController;
import com.my.xymh.utils.JsonUtil2;
import com.my.xymh.utils.Pager;
import net.sf.json.JSONObject;
import java.util.*;
import com.my.xymh.entity.*;
import com.my.xymh.dao.*;
import com.my.xymh.service.*;
/**
* @ClassName:
* @Description:
* @author administrator
* @date - 2023年02月18日 12时25分56秒
*/
@Controller
@RequestMapping("/schoolJob")
public class SchoolJobController extends BaseController {
/**
* 依赖注入 start dao/service/===
*/
@Autowired
private GzService gzService;
@Autowired
private SchoolJobService schoolJobService;
@Autowired
private SchoolJobDao schoolJobDao;
@Autowired
private UserJobDao userJobDao;
@Autowired
private UserJobCommentDao userJobCommentDao;
@Autowired
private UserJobService userJobService;
//参加活动
@RequestMapping(value = "/joinJob.do")
public String joinJob(HttpServletRequest request,UserJob userJob,Model model){
User user= (User) request.getSession().getAttribute("user");
if(user==null){
model.addAttribute("msg","需要登录后才能进行操作");
//return "redirect:../schoolJob/addJobComment.do";
return "error";
}
Map params=new HashMap();
params.put("uid",user.getId());
params.put("jid",userJob.getJid());
List list=userJobDao.list(params);
if(list.size()>0){
model.addAttribute("msg","该活动已经参加,不能重复进行参加");
return "error";
}
if (user.getCredit()<=0){
model.addAttribute("msg","你的信誉值太低，无法报名");
return "error";
}
params.put("id",userJob.getJid());
SchoolJob s=(SchoolJob)schoolJobDao.list(params).get(0);
userJob.setTitle(s.getTitle());
userJob.setUid(user.getId());
userJob.setUsername(user.getUserName());
userJob.setCreatetime(new Date());
userJobDao.insert(userJob);
return findUserJob(request,model);
}
//查询已参加的活动
@RequestMapping(value = "/myJoinJob.do")
public String findUserJob(HttpServletRequest request,Model model){
User user= (User) request.getSession().getAttribute("user");
Map params=new HashMap();
params.put("uid",user.getId());
List<UserJob> list=userJobDao.list(params);
model.addAttribute("list",list);
return "schoolJob/myJoinJobs";
}
//添加活动评论
@RequestMapping(value = "/addJobComment.do")
public String addJobComment(HttpServletRequest request,UserJobComment userJobComment,Model model){
User user= (User) request.getSession().getAttribute("user");
if(user==null){
return detail(userJobComment.getJid(),model);
}
userJobComment.setUid(user.getId());
userJobComment.setUsername(user.getUserName());
userJobComment.setTime(new Date());
userJobCommentDao.insert(userJobComment);
return detail(userJobComment.getJid(),model);
}
private Map fail(String msg){
Map result=new HashMap();
result.put("msg",msg);
result.put("flag",false);
return result;
}
private Map success(){
Map result=new HashMap();
result.put("flag",true);
return result;
}
// --------------------------------------- 华丽分割线 ------------------------------
/**
* 分页查询 返回list对象(通过对象)
*
* @param request
* @param response
* @return
*/
@RequestMapping(value = "/findByObj.do")
public String findByObj(SchoolJob schoolJob, Model model, HttpServletRequest request, HttpServletResponse response) {
Object attribute = request.getSession().getAttribute("isManage");
if(isEmpty(attribute)){
Integer id2 = Integer.valueOf(request.getSession().getAttribute("userId").toString());
schoolJob.setAddUserId(id2);
}
//分页查询
Pager<SchoolJob> pagers = schoolJobService.findByEntity(schoolJob);
model.addAttribute("pagers", pagers);
//存储查询条件
model.addAttribute("obj", schoolJob);
return "schoolJob/schoolJob";
}
@RequestMapping(value = "/findByObj2.do")
public String findByObj2(SchoolJob schoolJob, Model model, HttpServletRequest request, HttpServletResponse response) {
//分页查询
Pager<SchoolJob> pagers = schoolJobService.findByEntity(schoolJob);
model.addAttribute("pagers", pagers);
//存储查询条件
model.addAttribute("obj", schoolJob);
return "schoolJob/schoolJob2";
}
@RequestMapping(value = "/detail.do")
public String detail(Integer id,Model model) {
SchoolJob obj = schoolJobService.load(id);
model.addAttribute("obj",obj);
//查询某活动下的评论信息
Map params=new HashMap();
params.put("jid",id);
List<UserJobComment> comments=userJobCommentDao.list(params);
model.addAttribute("comments",comments);
return "schoolJob/detail";
}
/**
* 分页查询 返回list对象(通过Map)
*
* @param request
* @param response
* @return
*/
@RequestMapping(value = "/findByMap.do")
public String findByMap(SchoolJob schoolJob, Model model, HttpServletRequest request, HttpServletResponse response) {
//通过map查询
Map<String,Object> params = new HashMap<String,Object>();
if(!isEmpty(schoolJob.getTitle())){
params.put("title", schoolJob.getTitle());
}
if(!isEmpty(schoolJob.getContent())){
params.put("content", schoolJob.getContent());
}
if(!isEmpty(schoolJob.getAddTime())){
params.put("addTime", schoolJob.getAddTime());
}
if(!isEmpty(schoolJob.getAddUserId())){
params.put("addUserId", schoolJob.getAddUserId());
}
//分页查询
Pager<SchoolJob> pagers = schoolJobService.findByMap(params);
model.addAttribute("pagers", pagers);
//存储查询条件
model.addAttribute("obj", schoolJob);
return "schoolJob/schoolJob";
}
/**
* 跳至添加页面
* @return
*/
@RequestMapping(value = "/add.do")
public String add() {
return "schoolJob/add";
}
/**
* 添加执行
* @return
*/
@RequestMapping(value = "/exAdd.do")
public String exAdd(SchoolJob schoolJob, Model model, HttpServletRequest request, HttpServletResponse response) {
Object attribute = request.getSession().getAttribute("isManage");
if(isEmpty(attribute)){
Integer id2 = Integer.valueOf(request.getSession().getAttribute("userId").toString());
schoolJob.setAddUserId(id2);
}
schoolJob.setAddTime(new Date());
schoolJobService.insert(schoolJob);
gzService.send(3,schoolJob.getTitle());
return "redirect:/schoolJob/findByObj.do";
}
/**
* 添加执行
* @return
*/
@RequestMapping(value = "/exAdd2.do")
public String exAdd2(SchoolJob schoolJob, Model model, HttpServletRequest request, HttpServletResponse response) {
Object attribute = request.getSession().getAttribute("isManage");
if(isEmpty(attribute)){
Integer id2 = Integer.valueOf(request.getSession().getAttribute("userId").toString());
schoolJob.setAddUserId(id2);
}
schoolJob.setAddTime(new Date());
schoolJobService.insert(schoolJob);
gzService.send(3,schoolJob.getTitle());
return "redirect:/schoolJob/findByObj2.do";
}
/**
* 跳至修改页面
* @return
*/
@RequestMapping(value = "/update.do")
public String update(Integer id,Model model) {
SchoolJob obj = schoolJobService.load(id);
model.addAttribute("obj",obj);
return "schoolJob/update";
}
/**
* 添加修改
* @return
*/
@RequestMapping(value = "/exUpdate.do")
public String exUpdate(SchoolJob schoolJob, Model model, HttpServletRequest request, HttpServletResponse response) {
schoolJobService.update(schoolJob);
return "redirect:/schoolJob/findByObj.do";
}
/**
* 删除通过主键
* @return
*/
@RequestMapping(value = "/delete.do")
public String delete(Integer id, Model model, HttpServletRequest request, HttpServletResponse response) {
//真正删除
schoolJobService.deleteById(id);
//通过参数删除
//Map<String,Object> params = new HashMap<String,Object>();
//params.put("id", id);
//schoolJobService.deleteBySqId("deleteBySql", params);
//状态删除
//SchoolJob load = schoolJobService.load(id);
//load.setIsDelete(1);
//schoolJobService.update(load);
return "redirect:/schoolJob/findByObj.do";
}
// --------------------------------------- 华丽分割线 ------------------------------
/**
* 分页查询 返回list json(通过对象)
*
* @param request
* @param response
* @return
*/
@RequestMapping(value = "/findByObj.json", method = RequestMethod.GET)
@ResponseBody
public String findByObjByEntity(SchoolJob schoolJob, Model model, HttpServletRequest request, HttpServletResponse response) {
//分页查询
Pager<SchoolJob> pagers = schoolJobService.findByEntity(schoolJob);
JSONObject jsonObject = JsonUtil2.getJsonObject();
jsonObject.put("pagers", pagers);
jsonObject.put("obj", schoolJob);
return jsonObject.toString();
}
/**
* 分页查询 返回list json(通过Map)
*
* @param request
* @param response
* @return
*/
@RequestMapping(value = "/findByMap.json", method = RequestMethod.GET)
@ResponseBody
public String findByMapMap(SchoolJob schoolJob, Model model, HttpServletRequest request, HttpServletResponse response) {
//通过map查询
Map<String,Object> params = new HashMap<String,Object>();
if(!isEmpty(schoolJob.getTitle())){
params.put("title", schoolJob.getTitle());
}
if(!isEmpty(schoolJob.getContent())){
params.put("content", schoolJob.getContent());
}
if(!isEmpty(schoolJob.getAddTime())){
params.put("addTime", schoolJob.getAddTime());
}
if(!isEmpty(schoolJob.getAddUserId())){
params.put("addUserId", schoolJob.getAddUserId());
}
//分页查询
Pager<SchoolJob> pagers = schoolJobService.findByMap(params);
JSONObject jsonObject = JsonUtil2.getJsonObject();
jsonObject.put("pagers", pagers);
jsonObject.put("obj", schoolJob);
return jsonObject.toString();
}
/**
* ajax 添加
* @param
* @return
*/
@RequestMapping(value = "/exAdd.json", method = RequestMethod.POST)
@ResponseBody
public String exAddJson(SchoolJob schoolJob, Model model, HttpServletRequest request, HttpServletResponse response) {
schoolJobService.insert(schoolJob);
JSONObject jsonObject = JsonUtil2.getJsonObject();
jsonObject.put("message", "添加成功");
return jsonObject.toString();
}
/**
* ajax 修改
* @param
* @return
*/
@RequestMapping(value = "/exUpdate.json",method = RequestMethod.POST)
@ResponseBody
public String exUpdateJson(SchoolJob schoolJob, Model model, HttpServletRequest request, HttpServletResponse response) {
schoolJobService.update(schoolJob);
JSONObject jsonObject = JsonUtil2.getJsonObject();
jsonObject.put("message", "修改成功");
return jsonObject.toString();
}
/**
* ajax 删除
* @return
*/
@RequestMapping(value = "/delete.json", produces = "text/html;charset=UTF-8", method = RequestMethod.GET)
@ResponseBody
public String exDeleteJson(Integer id, Model model, HttpServletRequest request, HttpServletResponse response) {
//真正删除
schoolJobService.deleteById(id);
//通过参数删除
//Map<String,Object> params = new HashMap<String,Object>();
//params.put("id", id);
//schoolJobService.deleteBySqId("deleteBySql", params);
//状态删除
//SchoolJob load = schoolJobService.load(id);
//load.setIsDelete(1);
//schoolJobService.update(load);
JSONObject jsonObject = JsonUtil2.getJsonObject();
jsonObject.put("message", "删除成功");
return jsonObject.toString();
}
/**
* 单文件上传
* @param file
* @param request
* @param model
* @return
*/
@RequestMapping(value = "/saveFile")
public String saveFile(@RequestParam(value = "file", required = false) MultipartFile file, HttpServletRequest request, Model model) {
System.out.println("开始");
String path = request.getSession().getServletContext().getRealPath("/upload");
String fileName = file.getOriginalFilename();
System.out.println(path);
File targetFile = new File(path, fileName);
if(!targetFile.exists()){
targetFile.mkdirs();
}
//保存
try {
file.transferTo(targetFile);
} catch (Exception e) {
e.printStackTrace();
}
return "";
}
/**
* springMvc多文件上传
* @param files
* @param id
* @return
*/
@RequestMapping(value = "/saveFiles")
public String saveFiles(@RequestParam("file") CommonsMultipartFile[] files,Integer id,HttpServletRequest request){
for(int i = 0;i<files.length;i++){
System.out.println("fileName---------->" + files[i].getOriginalFilename());
if(!files[i].isEmpty()){
int pre = (int) System.currentTimeMillis();
try {
//拿到输出流，同时重命名上传的文件
String filePath = request.getRealPath("/upload");
File f=new File(filePath);
if(!f.exists()){
f.mkdirs();
}
String fileNmae=new Date().getTime() + files[i].getOriginalFilename();
File file=new File(filePath+"/"+pre + files[i].getOriginalFilename());
if(!file.exists()){
file.createNewFile();
}
files[i].transferTo(file);
} catch (Exception e) {
e.printStackTrace();
System.out.println("上传出错");
}
}
}
return "";
}
// --------------------------------------- 华丽分割线 ------------------------------
@RequestMapping(value = "/nameList.do")
public String nameList(SchoolJob schoolJob, Model model, HttpServletRequest request, HttpServletResponse response) {
Object attribute = request.getSession().getAttribute("isManage");
if(isEmpty(attribute)){
Integer id2 = Integer.valueOf(request.getSession().getAttribute("userId").toString());
schoolJob.setAddUserId(id2);
}
UserJob userJob=new UserJob();
userJob.setJid(schoolJob.getId());
//分页查询
Pager<UserJob> pagers = userJobService.findByEntity(userJob);
model.addAttribute("pagers", pagers);
//存储查询条件
model.addAttribute("obj", schoolJob);
return "schoolJob/nameList";
}
@RequestMapping("/reduce.do")
public String reduce(Integer uid,Model model){
model.addAttribute("uid",uid);
model.addAttribute("msg","");
return "schoolJob/reduce";
}
}
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<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:task="http://www.springframework.org/schema/task"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.2.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-3.2.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.2.xsd
http://www.springframework.org/schema/task
http://www.springframework.org/schema/task/spring-task-3.2.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-3.2.xsd" >
<!-- 自动扫描，spring整合service -->
<context:component-scan base-package="com.my.xymh.service" />
<context:component-scan base-package="com.my.xymh.dao" />
<context:property-placeholder location="classpath:jdbc.properties"/>
<!-- 配置DataSource数据源，即数据库连接池 -->
<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close">
<!-- 基本属性 url、user、password -->
<property name="url" value="${jdbc.url}" />
<property name="username" value="${jdbc.username}" />
<property name="password" value="${jdbc.password}" />
<!-- 配置初始化大小、最小、最大 -->
<property name="initialSize" value="1" />
<property name="minIdle" value="1" />
<property name="maxActive" value="20" />
<!-- 配置获取连接等待超时的时间 -->
<property name="maxWait" value="60000" />
<!-- 配置间隔多久才进行一次检测，检测需要关闭的空闲连接，单位是毫秒 -->
<property name="timeBetweenEvictionRunsMillis" value="60000" />
<!-- 配置一个连接在池中最小生存的时间，单位是毫秒 -->
<property name="minEvictableIdleTimeMillis" value="300000" />
<property name="validationQuery" value="SELECT 'x'" />
<property name="testWhileIdle" value="true" />
<property name="testOnBorrow" value="false" />
<property name="testOnReturn" value="false" />
<!-- 打开PSCache，并且指定每个连接上PSCache的大小 -->
<property name="poolPreparedStatements" value="true" />
<property name="maxPoolPreparedStatementPerConnectionSize" value="20" />
<!-- 配置监控统计拦截的filters，去掉后监控界面sql无法统计 -->
<property name="filters" value="stat" />
</bean>
<!-- 定义Myibatis,dao可自动注入 -->
<!-- <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="com.huang.ssmTest.dao" />
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory" />
</bean> -->
<!-- 创建SqlSessionFactory，同时指定数据源 -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource" />
<property name="mapperLocations" value="classpath*:com/my/xymh/xml/*Mapper.xml" />
<!-- 绑定mybatis配置文件，即整合了spring与mybatis -->
<property name="configLocation" value="classpath:mybatis-config.xml"></property>
</bean>
<bean id="sqlSessionTemplate" class="org.mybatis.spring.SqlSessionTemplate">
<constructor-arg index="0" ref="sqlSessionFactory" />
</bean>
<!-- 配置事务管理器 -->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource" />
</bean>
<aop:config>
<aop:advisor id="managerTx" advice-ref="txAdvice" pointcut="execution(* *..service..*.*(..))" order="1"/>
</aop:config>
<!-- 事务控制 -->
<tx:advice id="txAdvice" transaction-manager="transactionManager">
<tx:attributes>
<tx:method name="load*" read-only="true" />
<tx:method name="get*" read-only="true" />
<tx:method name="select*" read-only="true" />
<tx:method name="create*" propagation="REQUIRED" rollback-for="java.lang.Exception"/>
<tx:method name="save*" propagation="REQUIRED" rollback-for="java.lang.Exception"/>
<tx:method name="update*" propagation="REQUIRED" rollback-for="java.lang.Exception"/>
<tx:method name="insert*" propagation="REQUIRED" rollback-for="java.lang.Exception"/>
<tx:method name="delete*" propagation="REQUIRED" rollback-for="java.lang.Exception"/>
<tx:method name="crud*" propagation="REQUIRED" rollback-for="java.lang.Exception"/>
<tx:method name="schedule*" propagation="REQUIRED" rollback-for="java.lang.Exception"/>
<tx:method name="do*" propagation="REQUIRED" rollback-for="java.lang.Exception"/>
<tx:method name="*" />
</tx:attributes>
</tx:advice>
<!-- 配置druid监控spring jdbc -->
<bean id="druid-stat-interceptor" class="com.alibaba.druid.support.spring.stat.DruidStatInterceptor">
</bean>
<bean id="druid-stat-pointcut" class="org.springframework.aop.support.JdkRegexpMethodPointcut" scope="prototype">
<property name="patterns">
<list>
<value>com.my.xymh.service.impl</value>
</list>
</property>
</bean>
<aop:config>
<aop:advisor advice-ref="druid-stat-interceptor" pointcut-ref="druid-stat-pointcut" />
</aop:config>
</beans>