基于javaweb+springboot的兼职平台系统(java+Springboot+ssm+HTML+maven+Ajax+mysql)
一、项目运行

环境配置：
Jdk1.8 + Tomcat8.5 + mysql + Eclispe（IntelliJ IDEA,Eclispe,MyEclispe,Sts都支持）

项目技术：
HTML +Springboot+ SpringMVC + MyBatis + ThymeLeaf + JavaScript + JQuery + Ajax + maven等等.

适用

课程设计，大作业，毕业设计，项目练习，学习演示等

            jsonObject.put("user", null);jsonObject.put("msg", "usernameIsNotExist");//密码错误resp.getWriter().print(jsonObject);return;} catch (SQLException throwables) {throwables.printStackTrace();}return;}@Overrideprotected void doPost(HttpServletRequest req, HttpServletResponse resp) throws IOException {doGet(req, resp);}
}
管理员登录控制层：
public class AdminLoginController extends HttpServlet {

        }}@Overrideprotected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {this.doGet(req, resp);}
}
登录控制层：
/*** @Author yy* @Description 登录* @Date 2022.2.17*/
public class LoginController extends HttpServlet {@Overrideprotected void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {JSONObject jsonObject = new JSONObject();String username = req.getParameter("username");

public class AdminLoginController extends HttpServlet {@SneakyThrows@Overrideprotected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {String username = req.getParameter("username");String password = req.getParameter("password");password = MyMD5Util.encrypt(password);JSONObject jsonObject = new JSONObject();HttpSession session = req.getSession();Admin admin = new Admin(username, password);Admin adminFromDB = AdminDao.findByUsernamePassword(admin);if (adminFromDB!=null){jsonObject.put("code",2000);jsonObject.put("msg","login_success");jsonObject.put("admin",adminFromDB.getUsername());

                sb.append(string+"&&");}else {String[] split = sb.toString().split("&&");String studentName = split[0];String studentUsername = split[1];String recruitInfoId = split[2];String path=req.getServletContext().getRealPath("/");String fieldName = studentName+"_"+studentUsername+"_"+recruitInfoId+"_"+item.getName();String filePath = path+fieldName;resumeFile = fieldName;File file = new File(filePath);BufferedInputStream bufferedInputStream = new BufferedInputStream(inputStream);FileOutputStream fileOutputStream = new FileOutputStream(file);int line;while ((line = bufferedInputStream.read())!=-1){fileOutputStream.write(line);}

            jsonObject.put("code",2000);jsonObject.put("msg","add success");jsonObject.put("flag","success");jsonObject.put("data",resume);resp.getWriter().print(jsonObject);return;}else {jsonObject.put("code",2000);jsonObject.put("msg","add fail");jsonObject.put("flag","fail");jsonObject.put("data",null);resp.getWriter().print(jsonObject);}}@Overrideprotected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {this.doGet(req, resp);}
}

 * @Description 登录* @Date 2022.2.17*/
public class LoginController extends HttpServlet {@Overrideprotected void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {JSONObject jsonObject = new JSONObject();String username = req.getParameter("username");String password = req.getParameter("password");resp.setCharacterEncoding("UTF-8");HttpSession session = req.getSession();if (StringUtils.isBlank(username) || StringUtils.isBlank(password)) {jsonObject.put("code", 2000);jsonObject.put("flag", "fail");jsonObject.put("user", null);jsonObject.put("msg", "usernameOrPasswordIsBank");//用户名密码不能为空resp.getWriter().print(jsonObject);return;}

                    resp.getWriter().print(jsonObject);return;} else {jsonObject.put("code", 2000);jsonObject.put("flag", "fail");//登录失败jsonObject.put("user", null);jsonObject.put("msg", "passwordError");//密码错误resp.getWriter().print(jsonObject);return;}}//用户名不存在，前往注册jsonObject.put("code", 2000);jsonObject.put("flag", "fail");//登录失败

                String studentName = split[0];String studentUsername = split[1];String recruitInfoId = split[2];String path=req.getServletContext().getRealPath("/");String fieldName = studentName+"_"+studentUsername+"_"+recruitInfoId+"_"+item.getName();String filePath = path+fieldName;resumeFile = fieldName;File file = new File(filePath);BufferedInputStream bufferedInputStream = new BufferedInputStream(inputStream);FileOutputStream fileOutputStream = new FileOutputStream(file);int line;while ((line = bufferedInputStream.read())!=-1){fileOutputStream.write(line);}fileOutputStream.flush();fileOutputStream.close();

        StringBuffer sb = new StringBuffer();String resumeFile = null;for (FileItem item : items) {String name = item.getFieldName();InputStream inputStream = item.getInputStream();if (!name.equals("resumeFile")){String string = item.getString();string = new String(string.getBytes("ISO8859_1"), StandardCharsets.UTF_8);sb.append(string+"&&");}else {String[] split = sb.toString().split("&&");String studentName = split[0];String studentUsername = split[1];String recruitInfoId = split[2];String path=req.getServletContext().getRealPath("/");String fieldName = studentName+"_"+studentUsername+"_"+recruitInfoId+"_"+item.getName();String filePath = path+fieldName;resumeFile = fieldName;File file = new File(filePath);BufferedInputStream bufferedInputStream = new BufferedInputStream(inputStream);

        String password = req.getParameter("password");resp.setCharacterEncoding("UTF-8");HttpSession session = req.getSession();if (StringUtils.isBlank(username) || StringUtils.isBlank(password)) {jsonObject.put("code", 2000);jsonObject.put("flag", "fail");jsonObject.put("user", null);jsonObject.put("msg", "usernameOrPasswordIsBank");//用户名密码不能为空resp.getWriter().print(jsonObject);return;}password = MyMD5Util.encrypt(password);

        studentUserVO.setUsername(username);studentUserVO.setPassword(password);String flag1 = null;String flag2 = null;try {flag1 = BusinessUserDao.selectUsername(businessUserVO);if ("ok".equals(flag1)) {//企业用户名存在BusinessUserDTO businessUserDTO = BusinessUserDao.select(businessUserVO);if (businessUserDTO != null) {jsonObject.put("code", 2000);jsonObject.put("flag", "success");//登录成功jsonObject.put("user", businessUserDTO);jsonObject.put("msg", "login_success");session.setAttribute("businessUser",businessUserDTO);resp.getWriter().print(jsonObject);return;} else {jsonObject.put("code", 2000);

}
登录控制层：
/*** @Author yy* @Description 登录* @Date 2022.2.17*/
public class LoginController extends HttpServlet {@Overrideprotected void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {JSONObject jsonObject = new JSONObject();String username = req.getParameter("username");String password = req.getParameter("password");resp.setCharacterEncoding("UTF-8");HttpSession session = req.getSession();if (StringUtils.isBlank(username) || StringUtils.isBlank(password)) {jsonObject.put("code", 2000);jsonObject.put("flag", "fail");jsonObject.put("user", null);jsonObject.put("msg", "usernameOrPasswordIsBank");//用户名密码不能为空resp.getWriter().print(jsonObject);return;

            jsonObject.put("msg", "usernameIsNotExist");//密码错误resp.getWriter().print(jsonObject);return;} catch (SQLException throwables) {throwables.printStackTrace();}return;}@Overrideprotected void doPost(HttpServletRequest req, HttpServletResponse resp) throws IOException {

                sb.append(string+"&&");}else {String[] split = sb.toString().split("&&");String studentName = split[0];String studentUsername = split[1];String recruitInfoId = split[2];String path=req.getServletContext().getRealPath("/");String fieldName = studentName+"_"+studentUsername+"_"+recruitInfoId+"_"+item.getName();String filePath = path+fieldName;resumeFile = fieldName;File file = new File(filePath);BufferedInputStream bufferedInputStream = new BufferedInputStream(inputStream);FileOutputStream fileOutputStream = new FileOutputStream(file);int line;while ((line = bufferedInputStream.read())!=-1){fileOutputStream.write(line);}fileOutputStream.flush();

        studentUserVO.setPassword(password);String flag1 = null;String flag2 = null;try {flag1 = BusinessUserDao.selectUsername(businessUserVO);if ("ok".equals(flag1)) {//企业用户名存在BusinessUserDTO businessUserDTO = BusinessUserDao.select(businessUserVO);if (businessUserDTO != null) {jsonObject.put("code", 2000);jsonObject.put("flag", "success");//登录成功jsonObject.put("user", businessUserDTO);

    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {JSONObject jsonObject = new JSONObject();String username = req.getParameter("username");String password = req.getParameter("password");resp.setCharacterEncoding("UTF-8");HttpSession session = req.getSession();if (StringUtils.isBlank(username) || StringUtils.isBlank(password)) {jsonObject.put("code", 2000);jsonObject.put("flag", "fail");jsonObject.put("user", null);jsonObject.put("msg", "usernameOrPasswordIsBank");//用户名密码不能为空resp.getWriter().print(jsonObject);return;}password = MyMD5Util.encrypt(password);System.out.println(password);BusinessUserVO businessUserVO = new BusinessUserVO();

            jsonObject.put("code",2000);jsonObject.put("msg","add fail");jsonObject.put("flag","fail");jsonObject.put("data",null);resp.getWriter().print(jsonObject);}}@Overrideprotected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {this.doGet(req, resp);

        this.doGet(req, resp);}
}提交个人简介控制层：
public class SubmitResumeController extends HttpServlet {@SneakyThrows@Overrideprotected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {JSONObject jsonObject = new JSONObject();DiskFileItemFactory factory = new DiskFileItemFactory();

                String filePath = path+fieldName;resumeFile = fieldName;File file = new File(filePath);BufferedInputStream bufferedInputStream = new BufferedInputStream(inputStream);FileOutputStream fileOutputStream = new FileOutputStream(file);int line;while ((line = bufferedInputStream.read())!=-1){fileOutputStream.write(line);}fileOutputStream.flush();fileOutputStream.close();bufferedInputStream.close();}}String[] split = sb.toString().split("&&");String studentName = split[0];String studentUsername = split[1];String recruitInfoId = split[2];

                if (businessUserDTO != null) {jsonObject.put("code", 2000);jsonObject.put("flag", "success");//登录成功jsonObject.put("user", businessUserDTO);jsonObject.put("msg", "login_success");session.setAttribute("businessUser",businessUserDTO);resp.getWriter().print(jsonObject);return;} else {jsonObject.put("code", 2000);jsonObject.put("flag", "fail");//登录失败jsonObject.put("user", null);jsonObject.put("msg", "passwordError");//密码错误resp.getWriter().print(jsonObject);return;}}flag2 = StudentUserDao.selectUsername(studentUserVO);if ("ok".equals(flag2)) {//学生用户名存在StudentUser studentUser = StudentUserDao.select(studentUserVO);

                }}flag2 = StudentUserDao.selectUsername(studentUserVO);if ("ok".equals(flag2)) {//学生用户名存在StudentUser studentUser = StudentUserDao.select(studentUserVO);if (studentUser != null) {jsonObject.put("code", 2000);jsonObject.put("flag", "success");//登录成功jsonObject.put("user", studentUser);jsonObject.put("msg", "login_success");session.setAttribute("studentUser",studentUser);resp.getWriter().print(jsonObject);return;} else {jsonObject.put("code", 2000);jsonObject.put("flag", "fail");//登录失败jsonObject.put("user", null);jsonObject.put("msg", "passwordError");//密码错误resp.getWriter().print(jsonObject);return;}

        for (FileItem item : items) {String name = item.getFieldName();InputStream inputStream = item.getInputStream();if (!name.equals("resumeFile")){String string = item.getString();string = new String(string.getBytes("ISO8859_1"), StandardCharsets.UTF_8);sb.append(string+"&&");}else {String[] split = sb.toString().split("&&");String studentName = split[0];String studentUsername = split[1];String recruitInfoId = split[2];String path=req.getServletContext().getRealPath("/");String fieldName = studentName+"_"+studentUsername+"_"+recruitInfoId+"_"+item.getName();String filePath = path+fieldName;resumeFile = fieldName;File file = new File(filePath);

            flag2 = StudentUserDao.selectUsername(studentUserVO);if ("ok".equals(flag2)) {//学生用户名存在StudentUser studentUser = StudentUserDao.select(studentUserVO);if (studentUser != null) {jsonObject.put("code", 2000);jsonObject.put("flag", "success");//登录成功jsonObject.put("user", studentUser);jsonObject.put("msg", "login_success");session.setAttribute("studentUser",studentUser);resp.getWriter().print(jsonObject);return;} else {jsonObject.put("code", 2000);jsonObject.put("flag", "fail");//登录失败jsonObject.put("user", null);jsonObject.put("msg", "passwordError");//密码错误resp.getWriter().print(jsonObject);return;}}//用户名不存在，前往注册jsonObject.put("code", 2000);jsonObject.put("flag", "fail");//登录失败

            jsonObject.put("msg","login_success");jsonObject.put("admin",adminFromDB.getUsername());jsonObject.put("flag","success");resp.getWriter().print(jsonObject);session.setAttribute("admin",adminFromDB);return;}else {jsonObject.put("code",2000);jsonObject.put("msg","no admin");jsonObject.put("admin",null);jsonObject.put("flag","fail");resp.getWriter().print(jsonObject);return;}}@Override

        JSONObject jsonObject = new JSONObject();DiskFileItemFactory factory = new DiskFileItemFactory();ServletFileUpload upload = new ServletFileUpload(factory);req.setCharacterEncoding("UTF-8");upload.setHeaderEncoding("UTF-8");List<FileItem> items = upload.parseRequest(req);StringBuffer sb = new StringBuffer();String resumeFile = null;for (FileItem item : items) {String name = item.getFieldName();InputStream inputStream = item.getInputStream();if (!name.equals("resumeFile")){String string = item.getString();string = new String(string.getBytes("ISO8859_1"), StandardCharsets.UTF_8);

        ServletFileUpload upload = new ServletFileUpload(factory);req.setCharacterEncoding("UTF-8");upload.setHeaderEncoding("UTF-8");List<FileItem> items = upload.parseRequest(req);StringBuffer sb = new StringBuffer();String resumeFile = null;for (FileItem item : items) {String name = item.getFieldName();InputStream inputStream = item.getInputStream();if (!name.equals("resumeFile")){String string = item.getString();string = new String(string.getBytes("ISO8859_1"), StandardCharsets.UTF_8);sb.append(string+"&&");}else {String[] split = sb.toString().split("&&");String studentName = split[0];String studentUsername = split[1];String recruitInfoId = split[2];String path=req.getServletContext().getRealPath("/");

            resp.getWriter().print(jsonObject);return;} catch (SQLException throwables) {throwables.printStackTrace();}return;}@Overrideprotected void doPost(HttpServletRequest req, HttpServletResponse resp) throws IOException {doGet(req, resp);}
}
管理员登录控制层：
public class AdminLoginController extends HttpServlet {@SneakyThrows@Overrideprotected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {String username = req.getParameter("username");String password = req.getParameter("password");password = MyMD5Util.encrypt(password);JSONObject jsonObject = new JSONObject();HttpSession session = req.getSession();

适用

课程设计，大作业，毕业设计，项目练习，学习演示等

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