基于javaweb的SSM食品检测管理系统(java+ssm+javascript+layui+mysql)

运行环境

Java≥8、MySQL≥5.7、Tomcat≥8

开发工具

eclipse/idea/myeclipse/sts等均可配置运行

适用

课程设计，大作业，毕业设计，项目练习，学习演示等

功能说明

基于javaweb的SSM食品检测管理系统(java+ssm+javascript+layui+mysql)

项目介绍

本项目后台食品检测管理系统； （1）用户管理：用户登录、验证。 （2）任务管理：添加任务、检品受理。 （3）结果审核：上传结果、生成报告。 （4）仪器管理：仪器的使用和管理。 （5）样品管理：仪器的使用和管理。

（6）管理员设置：用户的管理。

技术栈

SSM+mysql+layui+CSS+JavaScript

使用说明

1. 使用Navicat或者其它工具，在mysql中创建对应名称的数据库，并导入项目的sql文件； 2. 使用IDEA/Eclipse/MyEclipse导入项目，导入成功后请执行maven clean;maven install命令，然后运行； 3. 将项目中application.properties配置文件中的数据库配置改为自己的配置; 4. 运行项目，在浏览器中输入http://localhost:8080 访问

用户登录管理控制层：

@Controller

public class LoginServlet{

@Autowired

UserServiceImpl userService;

@Autowired

RoleServiceImpl roleService;

@Autowired

ProviderServiceImpl providerService;

@Autowired

BillServiceImpl billService;

@RequestMapping(value=”/login.do”,method = {RequestMethod.POST, RequestMethod.GET})

public String doPost(HttpServletRequest request, HttpServletResponse response, Model model){

System.out.println(“login ============ “ );

//获取用户名和密码

String userCode = request.getParameter(“userCode”);

String userPassword = request.getParameter(“userPassword”);

System.out.println(userCode+” “+userPassword);

//调用service方法，进行用户匹配

User user = userService.login(userCode,userPassword);

System.out.println(user);

if(null != user){//登录成功

//放入session

request.getSession().setAttribute(Constants.USER_SESSION, user);

//页面跳转（frame.jsp）

return “frame”;

}else{

//页面跳转（login.jsp）带出提示信息–转发

model.addAttribute(“error”, “用户名或密码不正确”);

return “login”;

//.forward(request, response);

用户管理控制层：

@Controller

public class UserServlet{

@Autowired

BillServiceImpl billService;

@Autowired

ProviderServiceImpl providerService;

@Autowired

UserServiceImpl userService;

@Autowired

RoleServiceImpl roleService;

@RequestMapping(value=”/user.do”,method = {RequestMethod.POST, RequestMethod.GET})

public String doPost(HttpSession session, @Valid User user, BindingResult bindingResult, HttpServletRequest request, HttpServletResponse response, @RequestParam(value=”method”,required = false) String method, Model model)

throws ServletException, IOException {

System.out.println(“—————>”+method);

if(method != null && method.equals(“add”)){

return this.add(request, response,user,bindingResult,session);

}else if(method != null && method.equals(“query”)){

return this.query(request, response);

}else if(method != null && method.equals(“getrolelist”)){

this.getRoleList(request, response);

}else if(method != null && method.equals(“ucexist”)){

this.userCodeExist(request, response);

}else if(method != null && method.equals(“deluser”)){

this.delUser(request, response);

}else if(method != null && method.equals(“view”)){

return this.getUserById(request, response,”userview”,model);

}else if(method != null && method.equals(“modify”)){

return this.getUserById(request, response,”usermodify”,model);

}else if(method != null && method.equals(“modifyexe”)){

return this.modify(request, response);

}else if(method != null && method.equals(“pwdmodify”)){

this.getPwdByUserId(request, response);

}else if(method != null && method.equals(“savepwd”)){

return this.updatePwd(request, response);

return “error”;

private String updatePwd(HttpServletRequest request, HttpServletResponse response)

throws ServletException, IOException {

Object o = request.getSession().getAttribute(Constants.USER_SESSION);

String newpassword = request.getParameter(“newpassword”);

boolean flag = false;

if(o != null && !StringUtils.isNullOrEmpty(newpassword)){

flag = userService.updatePwd(((User)o).getId(),newpassword);

if(flag){

request.setAttribute(Constants.SYS_MESSAGE, “修改密码成功,请退出并使用新密码重新登录！”);

request.getSession().removeAttribute(Constants.USER_SESSION);//session注销

}else{

request.setAttribute(Constants.SYS_MESSAGE, “修改密码失败！”);

}else{

request.setAttribute(Constants.SYS_MESSAGE, “修改密码失败！”);

return “pwdmodify”;

private void getPwdByUserId(HttpServletRequest request, HttpServletResponse response)

throws ServletException, IOException {

Object o = request.getSession().getAttribute(Constants.USER_SESSION);

String oldpassword = request.getParameter(“oldpassword”);

Map<String, String> resultMap = new HashMap<String, String>();

if(null == o ){//session过期

resultMap.put(“result”, “sessionerror”);

}else if(StringUtils.isNullOrEmpty(oldpassword)){//旧密码输入为空

resultMap.put(“result”, “error”);

}else{

String sessionPwd = ((User)o).getUserPassword();

if(oldpassword.equals(sessionPwd)){

resultMap.put(“result”, “true”);

}else{//旧密码输入不正确

resultMap.put(“result”, “false”);

// response.setContentType(“application/json”);

request.setCharacterEncoding(“utf-8”);

response.setContentType(“text/html;charset=utf-8”);

PrintWriter outPrintWriter = response.getWriter();

outPrintWriter.write(JSONArray.toJSONString(resultMap));

outPrintWriter.flush();

outPrintWriter.close();

private String modify(HttpServletRequest request, HttpServletResponse response)

throws ServletException, IOException {

String id = request.getParameter(“uid”);

String userName = request.getParameter(“userName”);

String gender = request.getParameter(“gender”);

String birthday = request.getParameter(“birthday”);

String phone = request.getParameter(“phone”);

String address = request.getParameter(“address”);

String userRole = request.getParameter(“userRole”);

User user = new User();

user.setId(Integer.valueOf(id));

user.setUserName(userName);

user.setGender(Integer.valueOf(gender));

try {

user.setBirthday(new SimpleDateFormat(“yyyy-MM-dd”).parse(birthday));

} catch (ParseException e) {

// TODO Auto-generated catch block

e.printStackTrace();

user.setPhone(phone);

user.setAddress(address);

user.setUserRole(Integer.valueOf(userRole));

user.setModifyBy(((User)request.getSession().getAttribute(Constants.USER_SESSION)).getId());

user.setModifyDate(new Date());

if(userService.modify(user)){

return “redirect:/user.do?method=query”;

// response.sendRedirect(request.getContextPath()+”/jsp/user.do?method=query”);

}else{

return “usermodify”;

// request.getRequestDispatcher(“usermodify.jsp”).forward(request, response);

private String getUserById(HttpServletRequest request, HttpServletResponse response, String url, Model model)

throws ServletException, IOException {

String id = request.getParameter(“uid”);

if(!StringUtils.isNullOrEmpty(id)){

//调用后台方法得到user对象

User user = userService.getUserById(id);

System.out.println(“————> “+user);

model.addAttribute(“user”, user);

return url;

// request.getRequestDispatcher(url).forward(request, response);

return “error”;

private void delUser(HttpServletRequest request, HttpServletResponse response)

throws ServletException, IOException {

String id = request.getParameter(“uid”);

Integer delId = 0;

try{

delId = Integer.parseInt(id);

}catch (Exception e) {

// TODO: handle exception

delId = 0;

HashMap<String, String> resultMap = new HashMap<String, String>();

if(delId <= 0){

resultMap.put(“delResult”, “notexist”);

}else{

if(userService.deleteUserById(delId)){

resultMap.put(“delResult”, “true”);

}else{

resultMap.put(“delResult”, “false”);

//把resultMap转换成json对象输出

// response.setContentType(“application/json”);

request.setCharacterEncoding(“utf-8”);

response.setContentType(“text/html;charset=utf-8”);

PrintWriter outPrintWriter = response.getWriter();

outPrintWriter.write(JSONArray.toJSONString(resultMap));

outPrintWriter.flush();

outPrintWriter.close();

private void userCodeExist(HttpServletRequest request, HttpServletResponse response)

throws ServletException, IOException {

//判断用户账号是否可用

String userCode = request.getParameter(“userCode”);

HashMap<String, String> resultMap = new HashMap<String, String>();

if(StringUtils.isNullOrEmpty(userCode)){

//userCode == null || userCode.equals(“”)

resultMap.put(“userCode”, “exist”);

}else{

User user = userService.selectUserCodeExist(userCode);

if(null != user){

resultMap.put(“userCode”,”exist”);

}else{

resultMap.put(“userCode”, “notexist”);

//把resultMap转为json字符串以json的形式输出

//配置上下文的输出类型

// response.setContentType(“application/json”);

request.setCharacterEncoding(“utf-8”);

response.setContentType(“text/html;charset=utf-8”);

//从response对象中获取往外输出的writer对象

PrintWriter outPrintWriter = response.getWriter();

//把resultMap转为json字符串 输出

outPrintWriter.write(JSONArray.toJSONString(resultMap));

outPrintWriter.flush();//刷新

outPrintWriter.close();//关闭流

private void getRoleList(HttpServletRequest request, HttpServletResponse response)

throws ServletException, IOException {

List roleList = null;

roleList = roleService.getRoleList();

//把roleList转换成json对象输出

// response.setContentType(“application/json”);

request.setCharacterEncoding(“utf-8”);

response.setContentType(“text/html;charset=utf-8”);

PrintWriter outPrintWriter = response.getWriter();

outPrintWriter.write(JSONArray.toJSONString(roleList));

outPrintWriter.flush();

outPrintWriter.close();

private String query(HttpServletRequest request, HttpServletResponse response)

throws ServletException, IOException {

//查询用户列表

String queryUserName = request.getParameter(“queryname”);

String temp = request.getParameter(“queryUserRole”);

String pageIndex = request.getParameter(“pageIndex”);

int queryUserRole = 0;

List userList = null;

//设置页面容量

int pageSize = Constants.pageSize;

//当前页码

int currentPageNo = 1;

System.out.println(“queryUserName servlet——–”+queryUserName);

System.out.println(“queryUserRole servlet——–”+queryUserRole);

System.out.println(“query pageIndex——— > “ + pageIndex);

if(queryUserName == null){

queryUserName = “”;

if(temp != null && !temp.equals(“”)){

queryUserRole = Integer.parseInt(temp);

if(pageIndex != null){

try{

currentPageNo = Integer.valueOf(pageIndex);

}catch(NumberFormatException e){

return “error”;

//总数量（表）

int totalCount = userService.getUserCount(queryUserName,queryUserRole);

//总页数

PageSupport pages=new PageSupport();

pages.setCurrentPageNo(currentPageNo);

pages.setPageSize(pageSize);

pages.setTotalCount(totalCount);

int totalPageCount = pages.getTotalPageCount();

//控制首页和尾页

if(currentPageNo < 1){

currentPageNo = 1;

}else if(currentPageNo > totalPageCount){

currentPageNo = totalPageCount;

userList = userService.getUserList(queryUserName,queryUserRole,currentPageNo, pageSize);

System.out.println(“———-> “+userList.get(0).getAge());

request.setAttribute(“userList”, userList);

List roleList = null;

System.out.println(userList.get(0).getRole().getRoleName());

roleList = roleService.getRoleList();

System.out.println(“===== “+roleList.get(0).getRoleCode()+”——–roleList:”+roleList.get(0).getRoleName());

request.setAttribute(“roleList”, roleList);

request.setAttribute(“queryUserName”, queryUserName);

request.setAttribute(“queryUserRole”, queryUserRole);

request.setAttribute(“totalPageCount”, totalPageCount);

request.setAttribute(“totalCount”, totalCount);

request.setAttribute(“currentPageNo”, currentPageNo);

return “userlist”;

private String add(HttpServletRequest request, HttpServletResponse response, User user, BindingResult bindingResult, HttpSession session)

throws ServletException, IOException {

if(bindingResult.hasErrors()){

System.out.println(“输入错误”);

return “useradd”;

}System.out.println(“111”);

user.setCreatedBy(((User)session.getAttribute(Constants.USER_SESSION)).getId());System.out.println(“222”);

user.setCreationDate(new Date());System.out.println(“333”);

if(userService.add(user)){return “redirect:/user.do?method=query”;}System.out.println(“444”);

return “useradd”;

退出管理控制层： 

@Controller

public class LogoutServlet{

@Autowired

UserServiceImpl userService;

@Autowired

RoleServiceImpl roleService;

@Autowired

ProviderServiceImpl providerService;

@Autowired

BillServiceImpl billService;

@RequestMapping(value=”/logout.do”,method = {RequestMethod.POST, RequestMethod.GET})

public String doPost(HttpServletRequest request, HttpServletResponse response)

//清除session

request.getSession().removeAttribute(Constants.USER_SESSION);

return “/login”;

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项目链接：
https://javayms.github.io?id=171023501103200zw
https://javayms.pages.dev?id=171023501103200zw