Java 基于 spring boot课程评价系统 springboot+mybatis+layui
角色分为 学生、教师、管理员，学生可修改密码，先选择课程之后对对应课程的教师做出评价
运行环境
jdk8+tomcat8+mysql+IntelliJ IDEA/eclipse+maven
项目技术
springboot+mybatis+layui
jar包文件
使用maven
运行访问地址：
http://localhost:8080/
管理员账号admin admin
学生账号admin admin
老师账号yuanmahuyi 111111
代码已经上传github，下载地址https://github.com/21503882/publiccode
package com.study.property.controller;
import java.io.File;
import java.math.BigDecimal;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
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.alibaba.fastjson.JSONObject;
import com.study.property.base.BaseController;
import com.study.property.po.*;
import com.study.property.utils.Pager;
import java.util.*;
import com.study.property.po.*;
import com.study.property.mapper.*;
import com.study.property.service.*;
/**
* @ClassName:
* @Description:
* @author - - admin
* @date - 2018年12月23日 18时50分03秒
*/
@Controller
@RequestMapping("/itemOrder")
public class ItemOrderController extends BaseController {
@Autowired
private UserService userService;
/**
* 依赖注入 start dao/service/===
*/
@Autowired
private ItemOrderService itemOrderService;
// --------------------------------------- 华丽分割线 ------------------------------
/*********************************查询列表【不分页】***********************************************/
/**
* 【不分页 => 查询列表 => 无条件】
* @Title: listAll
* @Description: TODO(这里用一句话描述这个方法的作用)
* @param @return 设定文件
* @author
* @return String 返回类型
* @throws
*/
@RequestMapping(value = "/listAll")
public String listAll(ItemOrder itemOrder, Model model, HttpServletRequest request, HttpServletResponse response){
List<ItemOrder> listAll = itemOrderService.listAll();
model.addAttribute("list", listAll);
return "itemOrder/itemOrder";
}
/**
* 【不分页=》查询列表=>有条件】
* @Title: listByEntity
* @Description: TODO(这里用一句话描述这个方法的作用)
* @param @return 设定文件
* @author
* @return String 返回类型
* @throws
*/
@RequestMapping(value = "/listByEntity")
public String listByEntity(ItemOrder itemOrder, Model model, HttpServletRequest request, HttpServletResponse response){
List<ItemOrder> listAll = itemOrderService.listAllByEntity(itemOrder);
model.addAttribute("list", listAll);
return "itemOrder/itemOrder";
}
/**
* 【不分页=》查询列表=>有条件】
* @Title: listByMap
* @Description: TODO(这里用一句话描述这个方法的作用)
* @param @return 设定文件
* @author
* @return String 返回类型
* @throws
*/
@RequestMapping(value = "/listByMap")
public String listByMap(ItemOrder itemOrder, Model model, HttpServletRequest request, HttpServletResponse response){
//通过map查询
Map<String,Object> params = new HashMap<String,Object>();
if(!isEmpty(itemOrder.getUserId())){
params.put("userId", itemOrder.getUserId());
}
if(!isEmpty(itemOrder.getUserName())){
params.put("userName", itemOrder.getUserName());
}
if(!isEmpty(itemOrder.getName())){
params.put("name", itemOrder.getName());
}
if(!isEmpty(itemOrder.getPrice())){
params.put("price", itemOrder.getPrice());
}
if(!isEmpty(itemOrder.getStatus())){
params.put("status", itemOrder.getStatus());
}
if(!isEmpty(itemOrder.getIsDelete())){
params.put("isDelete", itemOrder.getIsDelete());
}
if(!isEmpty(itemOrder.getPayTime())){
params.put("payTime", itemOrder.getPayTime());
}
List<ItemOrder> listAll = itemOrderService.listByMap(params);
model.addAttribute("list", listAll);
return "itemOrder/itemOrder";
}
/*********************************查询列表【分页】***********************************************/
/**
* 分页查询 返回list对象(通过对象)
*
* @param request
* @param response
* @return
*/
@RequestMapping(value = "/findByObj")
public String findByObj(ItemOrder itemOrder, Model model, HttpServletRequest request, HttpServletResponse response) {
//分页查询
Pager<ItemOrder> pagers = itemOrderService.findByEntity(itemOrder);
model.addAttribute("pagers", pagers);
//存储查询条件
model.addAttribute("obj", itemOrder);
return "itemOrder/itemOrder";
}
/**
* 分页查询 返回list对象(通过对By Sql)
*
* @param request
* @param response
* @return
*/
@RequestMapping(value = "/findBySql")
public String findBySql(ItemOrder itemOrder,String payTimeStr, Model model, HttpServletRequest request, HttpServletResponse response) {
//分页查询
String sql = "SELECT * FROM item_order WHERE 1=1 and isDelete = 0 ";
if(!isEmpty(itemOrder.getUserId())){
sql += " and userId like '%"+itemOrder.getUserId()+"%'";
}
if(!isEmpty(itemOrder.getUserName())){
sql += " and user_name like '%"+itemOrder.getUserName()+"%'";
}
if(!isEmpty(itemOrder.getName())){
sql += " and name like '%"+itemOrder.getName()+"%'";
}
if (itemOrder.getStatus() != null){
sql += " and status = "+itemOrder.getStatus();
}
if(!isEmpty(itemOrder.getPrice())){
sql += " and price like '%"+itemOrder.getPrice()+"%'";
}
if(!isEmpty(payTimeStr)){
sql += " and DATE_FORMAT(pay_time,'%Y-%m-%d') = '"+payTimeStr+"'";;
}
sql += " ORDER BY ID DESC ";
Pager<ItemOrder> pagers = itemOrderService.findBySqlRerturnEntity(sql);
model.addAttribute("pagers", pagers);
model.addAttribute("payTimeStr", payTimeStr);
//存储查询条件
model.addAttribute("obj", itemOrder);
return "itemOrder/itemOrder";
}
@RequestMapping(value = "/my")
public String my(ItemOrder itemOrder,String payTimeStr, Model model, HttpServletRequest request, HttpServletResponse response) {
//分页查询
//分页查询
Object attribute = request.getSession().getAttribute("userId");
if (attribute == null){
return "login/uLogin";
}
Integer valueOf = Integer.valueOf(attribute.toString());
String sql = "SELECT * FROM item_order WHERE 1=1 and isDelete = 0 and user_id = "+valueOf;
if(!isEmpty(itemOrder.getUserId())){
sql += " and userId like '%"+itemOrder.getUserId()+"%'";
}
if(!isEmpty(itemOrder.getUserName())){
sql += " and user_name like '%"+itemOrder.getUserName()+"%'";
}
if(!isEmpty(itemOrder.getName())){
sql += " and name like '%"+itemOrder.getName()+"%'";
}
if (itemOrder.getStatus() != null){
sql += " and status = "+itemOrder.getStatus();
}
if(!isEmpty(itemOrder.getPrice())){
sql += " and price like '%"+itemOrder.getPrice()+"%'";
}
if(!isEmpty(payTimeStr)){
sql += " and DATE_FORMAT(pay_time,'%Y-%m-%d') = '"+payTimeStr+"'";;
}
sql += " ORDER BY ID DESC ";
Pager<ItemOrder> pagers = itemOrderService.findBySqlRerturnEntity(sql);
model.addAttribute("pagers", pagers);
model.addAttribute("payTimeStr", payTimeStr);
//存储查询条件
model.addAttribute("obj", itemOrder);
return "itemOrder/my";
}
/**
* 分页查询 返回list对象(通过Map)
*
* @param request
* @param response
* @return
*/
@RequestMapping(value = "/findByMap")
public String findByMap(ItemOrder itemOrder, Model model, HttpServletRequest request, HttpServletResponse response) {
//通过map查询
Map<String,Object> params = new HashMap<String,Object>();
if(!isEmpty(itemOrder.getUserId())){
params.put("userId", itemOrder.getUserId());
}
if(!isEmpty(itemOrder.getUserName())){
params.put("userName", itemOrder.getUserName());
}
if(!isEmpty(itemOrder.getName())){
params.put("name", itemOrder.getName());
}
if(!isEmpty(itemOrder.getPrice())){
params.put("price", itemOrder.getPrice());
}
if(!isEmpty(itemOrder.getStatus())){
params.put("status", itemOrder.getStatus());
}
if(!isEmpty(itemOrder.getIsDelete())){
params.put("isDelete", itemOrder.getIsDelete());
}
if(!isEmpty(itemOrder.getPayTime())){
params.put("payTime", itemOrder.getPayTime());
}
//分页查询
Pager<ItemOrder> pagers = itemOrderService.findByMap(params);
model.addAttribute("pagers", pagers);
//存储查询条件
model.addAttribute("obj", itemOrder);
return "itemOrder/itemOrder";
}
/**********************************【增删改】******************************************************/
/**
* 跳至添加页面
* @return
*/
@RequestMapping(value = "/add")
public String add(Model model) {
//查看用户
User user = new User();
user.setIsDelete(0);
List<User> listAllByEntity = userService.listAllByEntity(user);
model.addAttribute("users", listAllByEntity);
return "itemOrder/add";
}
/**
* 跳至详情页面
* @return
*/
@RequestMapping(value = "/view")
public String view(Integer id,Model model) {
ItemOrder obj = itemOrderService.load(id);
model.addAttribute("obj",obj);
return "itemOrder/view";
}
/**
* 添加执行
* @return
*/
@RequestMapping(value = "/exAdd")
public String exAdd(ItemOrder itemOrder, Model model, HttpServletRequest request, HttpServletResponse response) {
itemOrder.setIsDelete(0);
itemOrder.setStatus(0);
//根据用户id
User load = userService.load(itemOrder.getUserId());
itemOrder.setUserName(load.getName());
itemOrderService.insert(itemOrder);
return "redirect:/itemOrder/findBySql.action";
}
/**
* 跳至修改页面
* @return
*/
@RequestMapping(value = "/update")
public String update(Integer id,Model model) {
ItemOrder obj = itemOrderService.load(id);
//查看用户
User user = new User();
user.setIsDelete(0);
List<User> listAllByEntity = userService.listAllByEntity(user);
model.addAttribute("users", listAllByEntity);
model.addAttribute("obj",obj);
return "itemOrder/update";
}
/**
* 添加修改
* @return
*/
@RequestMapping(value = "/exUpdate")
public String exUpdate(ItemOrder itemOrder, Model model, HttpServletRequest request, HttpServletResponse response) {
//1.通过实体类修改，可以多传修改条件
User load = userService.load(itemOrder.getUserId());
itemOrder.setUserName(load.getName());
itemOrderService.updateById(itemOrder);
//2.通过主键id修改
//itemOrderService.updateById(itemOrder);
return "redirect:/itemOrder/findBySql.action";
}
/**
* 删除通过主键
* @return
*/
@RequestMapping(value = "/delete")
public String delete(Integer id, Model model, HttpServletRequest request, HttpServletResponse response) {
ItemOrder load = itemOrderService.load(id);
load.setIsDelete(1);
itemOrderService.updateById(load);
return "redirect:/itemOrder/findBySql.action";
}
// --------------------------------------- 华丽分割线 ------------------------------
// --------------------------------------- 【下面是ajax操作的方法。】 ------------------------------
/*********************************查询列表【不分页】***********************************************/
/**
* 【不分页 => 查询列表 => 无条件】
* @Title: listAll
* @Description: TODO(这里用一句话描述这个方法的作用)
* @param @return 设定文件
* @author
* @return String 返回类型
* @throws
*/
@RequestMapping(value = "/listAllJson", method = RequestMethod.POST)
@ResponseBody
public String listAllJson(ItemOrder itemOrder, HttpServletRequest request, HttpServletResponse response){
List<ItemOrder> listAll = itemOrderService.listAll();
JSONObject jsonObject = new JSONObject();
jsonObject.put("list", listAll);
jsonObject.put("obj", itemOrder);
return jsonObject.toString();
}
@RequestMapping(value = "/jf", method = RequestMethod.POST)
@ResponseBody
public String jf(ItemOrder itemOrder, HttpServletRequest request, HttpServletResponse response){
JSONObject jsonObject = new JSONObject();
ItemOrder load = itemOrderService.load(itemOrder.getId());
BigDecimal price = load.getPrice();
Object attribute = request.getSession().getAttribute("userId");
if (attribute == null){
return "login/uLogin";
}
Integer valueOf = Integer.valueOf(attribute.toString());
User load2 = userService.load(valueOf);
BigDecimal money = load2.getMoney();
int a = money.compareTo(price);
if (a == -1){
jsonObject.put("res", 0);//余额不足
return jsonObject.toString();
}
BigDecimal subtract = money.subtract(price);
load2.setMoney(subtract);
userService.updateById(load2);
load.setStatus(1);
load.setPayTime(new Date());
itemOrderService.updateById(load);
return jsonObject.toString();
}
/**
* 【不分页=》查询列表=>有条件】
* @Title: listByMap
* @Description: TODO(这里用一句话描述这个方法的作用)
* @param @return 设定文件
* @author
* @return String 返回类型
* @throws
*/
@RequestMapping(value = "/listByMapJson", method = RequestMethod.POST)
@ResponseBody
public String listByMapJson(ItemOrder itemOrder,HttpServletRequest request, HttpServletResponse response){
//通过map查询
Map<String,Object> params = new HashMap<String,Object>();
if(!isEmpty(itemOrder.getUserId())){
params.put("userId", itemOrder.getUserId());
}
if(!isEmpty(itemOrder.getUserName())){
params.put("userName", itemOrder.getUserName());
}
if(!isEmpty(itemOrder.getName())){
params.put("name", itemOrder.getName());
}
if(!isEmpty(itemOrder.getPrice())){
params.put("price", itemOrder.getPrice());
}
if(!isEmpty(itemOrder.getStatus())){
params.put("status", itemOrder.getStatus());
}
if(!isEmpty(itemOrder.getIsDelete())){
params.put("isDelete", itemOrder.getIsDelete());
}
if(!isEmpty(itemOrder.getPayTime())){
params.put("payTime", itemOrder.getPayTime());
}
List<ItemOrder> listAll = itemOrderService.listByMap(params);
JSONObject jsonObject = new JSONObject();
jsonObject.put("list", listAll);
jsonObject.put("obj", itemOrder);
return jsonObject.toString();
}
/**
* 分页查询 返回list json(通过对象)
*
* @param request
* @param response
* @return
*/
@RequestMapping(value = "/findByObjJson", method = RequestMethod.POST)
@ResponseBody
public String findByObjByEntityJson(ItemOrder itemOrder, HttpServletRequest request, HttpServletResponse response) {
//分页查询
Pager<ItemOrder> pagers = itemOrderService.findByEntity(itemOrder);
JSONObject jsonObject = new JSONObject();
jsonObject.put("pagers", pagers);
jsonObject.put("obj", itemOrder);
return jsonObject.toString();
}
/**
* 分页查询 返回list json(通过Map)
*
* @param request
* @param response
* @return
*/
@RequestMapping(value = "/findByMapJson", method = RequestMethod.POST)
@ResponseBody
public String findByMapJson(ItemOrder itemOrder,HttpServletRequest request, HttpServletResponse response) {
//通过map查询
Map<String,Object> params = new HashMap<String,Object>();
if(!isEmpty(itemOrder.getUserId())){
params.put("userId", itemOrder.getUserId());
}
if(!isEmpty(itemOrder.getUserName())){
params.put("userName", itemOrder.getUserName());
}
if(!isEmpty(itemOrder.getName())){
params.put("name", itemOrder.getName());
}
if(!isEmpty(itemOrder.getPrice())){
params.put("price", itemOrder.getPrice());
}
if(!isEmpty(itemOrder.getStatus())){
params.put("status", itemOrder.getStatus());
}
if(!isEmpty(itemOrder.getIsDelete())){
params.put("isDelete", itemOrder.getIsDelete());
}
if(!isEmpty(itemOrder.getPayTime())){
params.put("payTime", itemOrder.getPayTime());
}
//分页查询
Pager<ItemOrder> pagers = itemOrderService.findByMap(params);
JSONObject jsonObject = new JSONObject();
jsonObject.put("pagers", pagers);
jsonObject.put("obj", itemOrder);
return jsonObject.toString();
}
/**
* ajax 添加
* @param
* @return
*/
@RequestMapping(value = "/exAddJson", method = RequestMethod.POST)
@ResponseBody
public String exAddJson(ItemOrder itemOrder, Model model, HttpServletRequest request, HttpServletResponse response) {
itemOrderService.insert(itemOrder);
JSONObject jsonObject = new JSONObject();
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(ItemOrder itemOrder, Model model, HttpServletRequest request, HttpServletResponse response) {
//1.通过实体类修改，可以多传修改条件
itemOrderService.updateById(itemOrder);
//2.通过主键id修改
//itemOrderService.updateById(itemOrder);
JSONObject jsonObject = new JSONObject();
jsonObject.put("message", "修改成功");
return jsonObject.toString();
}
/**
* ajax 删除
* @return
*/
@RequestMapping(value = "/delete.json", method = RequestMethod.POST)
@ResponseBody
public String exDeleteJson(Integer id, Model model, HttpServletRequest request, HttpServletResponse response) {
///1.通过主键删除
itemOrderService.deleteById(id);
/*以下是多种删除方式*/
// //2.通过实体条件删除
// itemOrderService.deleteByEntity(itemOrder);
// //3.通过参数删除
// //通过map查询
// Map<String,Object> params = new HashMap<String,Object>();
//
// if(!isEmpty(itemOrder.getUserId())){
// params.put("userId", itemOrder.getUserId());
// }
//
// if(!isEmpty(itemOrder.getUserName())){
// params.put("userName", itemOrder.getUserName());
// }
//
// if(!isEmpty(itemOrder.getName())){
// params.put("name", itemOrder.getName());
// }
//
// if(!isEmpty(itemOrder.getPrice())){
// params.put("price", itemOrder.getPrice());
// }
//
// if(!isEmpty(itemOrder.getStatus())){
// params.put("status", itemOrder.getStatus());
// }
//
// if(!isEmpty(itemOrder.getIsDelete())){
// params.put("isDelete", itemOrder.getIsDelete());
// }
//
// if(!isEmpty(itemOrder.getPayTime())){
// params.put("payTime", itemOrder.getPayTime());
// }
//
// itemOrderService.deleteByMap(params);
// //4.状态删除
// ItemOrder load = itemOrderService.getById(itemOrder.getId())
// load.setIsDelete(1);
// itemOrderService.updateById(load);
//5.状态删除
//ItemOrder load = itemOrderService.load(id);
//load.setIsDelete(1);
//itemOrderService.updateById(load);
JSONObject jsonObject = new JSONObject();
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 ------------------------------
}
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