基于SSM实现新闻发布系统

项目编号：BS-PT-039

 

运行说明：

开发工具：IDEA / ECLIPSE

数据库：MYSQL5.7

应用服务器：TOMCAT8.5.31

JDK: 1.8

开发技术：JSP/SERVLET/JDBC

前端页面: EasyUI+jQuery+Ajax

本系统基于SSM框架开发实现了一个新闻发布和管理系统，前端主要使用easyUi+jquery开发实现。系统功能完整，界而简洁大方，自带完善的权限管理系统，可以根据系统需要自由灵活的设置相关人员的权限。下面来展示一下新闻发布系统的相关功能。

前端界面：

分类新闻查看

新闻详情展示：可以登陆后在此进行新闻信息评论

全站新闻搜索

后台管理展示

用户登陆

用户注册

后台管理首页

菜单管理

角色管理

密码修改

用户管理

系统日志

新闻分类管理

新闻管理

评论管理

以上是展示的部分系统功能，普通用户注册后可以登陆系统进行新闻的查看和评论，也可以添加后台普通管理用户，用于发布新闻等操作。系统结构清晰，功能完整，界面简洁大方，适合做毕业设计使用。

新闻发布系统的核心代码如下：

package com.ischoolbar.programmer.controller.admin;

import java.io.File;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;

import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
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.servlet.ModelAndView;

import com.ischoolbar.programmer.entity.admin.User;
import com.ischoolbar.programmer.page.admin.Page;
import com.ischoolbar.programmer.service.admin.RoleService;
import com.ischoolbar.programmer.service.admin.UserService;

/**
 * 用户管理控制器
 *
 */
@RequestMapping("/admin/user")
@Controller
public class UserController {
	@Autowired
	private UserService userService;
	@Autowired
	private RoleService roleService;
	
	/**
	 * 用户列表页面
	 * @param model
	 * @return
	 */
	@RequestMapping(value="/list",method=RequestMethod.GET)
	public ModelAndView list(ModelAndView model){
		Map<String, Object> queryMap = new HashMap<String, Object>();
		model.addObject("roleList", roleService.findList(queryMap));
		model.setViewName("user/list");
		return model;
	}
	
	/**
	 * 获取用户列表
	 * @param page
	 * @param username
	 * @param roleId
	 * @param sex
	 * @return
	 */
	@RequestMapping(value="/list",method=RequestMethod.POST)
	@ResponseBody
	public Map<String, Object> getList(Page page,
			@RequestParam(name="username",required=false,defaultValue="") String username,
			@RequestParam(name="roleId",required=false) Long roleId,
			@RequestParam(name="sex",required=false) Integer sex
			){
		Map<String, Object> ret = new HashMap<String, Object>();
		Map<String, Object> queryMap = new HashMap<String, Object>();
		queryMap.put("username", username);
		queryMap.put("roleId", roleId);
		queryMap.put("sex", sex);
		queryMap.put("offset", page.getOffset());
		queryMap.put("pageSize", page.getRows());
		ret.put("rows", userService.findList(queryMap));
		ret.put("total", userService.getTotal(queryMap));
		return ret;
	}
	
	/**
	 * 添加用户
	 * @param user
	 * @return
	 */
	@RequestMapping(value="/add",method=RequestMethod.POST)
	@ResponseBody
	public Map<String, String> add(User user){
		Map<String, String> ret = new HashMap<String, String>();
		if(user == null){
			ret.put("type", "error");
			ret.put("msg", "请填写正确的用户信息！");
			return ret;
		}
		if(StringUtils.isEmpty(user.getUsername())){
			ret.put("type", "error");
			ret.put("msg", "请填写用户名！");
			return ret;
		}
		if(StringUtils.isEmpty(user.getPassword())){
			ret.put("type", "error");
			ret.put("msg", "请填写密码！");
			return ret;
		}
		if(user.getRoleId() == null){
			ret.put("type", "error");
			ret.put("msg", "请选择所属角色！");
			return ret;
		}
		if(isExist(user.getUsername(), 0l)){
			ret.put("type", "error");
			ret.put("msg", "该用户名已经存在，请重新输入！");
			return ret;
		}
		if(userService.add(user) <= 0){
			ret.put("type", "error");
			ret.put("msg", "用户添加失败，请联系管理员！");
			return ret;
		}
		ret.put("type", "success");
		ret.put("msg", "角色添加成功！");
		return ret;
	}
	
	/**
	 * 编辑用户
	 * @param user
	 * @return
	 */
	@RequestMapping(value="/edit",method=RequestMethod.POST)
	@ResponseBody
	public Map<String, String> edit(User user){
		Map<String, String> ret = new HashMap<String, String>();
		if(user == null){
			ret.put("type", "error");
			ret.put("msg", "请填写正确的用户信息！");
			return ret;
		}
		if(StringUtils.isEmpty(user.getUsername())){
			ret.put("type", "error");
			ret.put("msg", "请填写用户名！");
			return ret;
		}
//		if(StringUtils.isEmpty(user.getPassword())){
//			ret.put("type", "error");
//			ret.put("msg", "请填写密码！");
//			return ret;
//		}
		if(user.getRoleId() == null){
			ret.put("type", "error");
			ret.put("msg", "请选择所属角色！");
			return ret;
		}
		if(isExist(user.getUsername(), user.getId())){
			ret.put("type", "error");
			ret.put("msg", "该用户名已经存在，请重新输入！");
			return ret;
		}
		if(userService.edit(user) <= 0){
			ret.put("type", "error");
			ret.put("msg", "用户添加失败，请联系管理员！");
			return ret;
		}
		ret.put("type", "success");
		ret.put("msg", "角色添加成功！");
		return ret;
	}
	
	/**
	 * 批量删除用户
	 * @param ids
	 * @return
	 */
	@RequestMapping(value="/delete",method=RequestMethod.POST)
	@ResponseBody
	public Map<String, String> delete(String ids){
		Map<String, String> ret = new HashMap<String, String>();
		if(StringUtils.isEmpty(ids)){
			ret.put("type", "error");
			ret.put("msg", "选择要删除的数据！");
			return ret;
		}
		if(ids.contains(",")){
			ids = ids.substring(0,ids.length()-1);
		}
		if(userService.delete(ids) <= 0){
			ret.put("type", "error");
			ret.put("msg", "用户删除失败，请联系管理员！");
			return ret;
		}
		ret.put("type", "success");
		ret.put("msg", "用户删除成功！");
		return ret;
	}
	
	/**
	 * 上传图片
	 * @param photo
	 * @param request
	 * @return
	 */
	@RequestMapping(value="/upload_photo",method=RequestMethod.POST)
	@ResponseBody
	public Map<String, String> uploadPhoto(MultipartFile photo,HttpServletRequest request){
		Map<String, String> ret = new HashMap<String, String>();
		if(photo == null){
			ret.put("type", "error");
			ret.put("msg", "选择要上传的文件！");
			return ret;
		}
		if(photo.getSize() > 1024*1024*1024){
			ret.put("type", "error");
			ret.put("msg", "文件大小不能超过10M！");
			return ret;
		}
		//获取文件后缀
		String suffix = photo.getOriginalFilename().substring(photo.getOriginalFilename().lastIndexOf(".")+1,photo.getOriginalFilename().length());
		if(!"jpg,jpeg,gif,png".toUpperCase().contains(suffix.toUpperCase())){
			ret.put("type", "error");
			ret.put("msg", "请选择jpg,jpeg,gif,png格式的图片！");
			return ret;
		}
		String savePath = request.getServletContext().getRealPath("/") + "/resources/upload/";
		File savePathFile = new File(savePath);
		if(!savePathFile.exists()){
			//若不存在改目录，则创建目录
			savePathFile.mkdir();
		}
		String filename = new Date().getTime()+"."+suffix;
		try {
			//将文件保存至指定目录
			photo.transferTo(new File(savePath+filename));
		}catch (Exception e) {
			// TODO Auto-generated catch block
			ret.put("type", "error");
			ret.put("msg", "保存文件异常！");
			e.printStackTrace();
			return ret;
		}
		ret.put("type", "success");
		ret.put("msg", "照片上传成功！");
		ret.put("filepath",request.getServletContext().getContextPath() + "/resources/upload/" + filename );
		return ret;
	}
	/**
	 * 判断该用户名是否存在
	 * @param username
	 * @param id
	 * @return
	 */
	private boolean isExist(String username,Long id){
		User user = userService.findByUsername(username);
		if(user == null)return false;
		if(user.getId().longValue() == id.longValue())return false;
		return true;
	}
}

package com.ischoolbar.programmer.controller.admin;

import java.awt.image.BufferedImage;
import java.io.IOException;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import javax.imageio.ImageIO;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
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.servlet.ModelAndView;

import com.ischoolbar.programmer.entity.admin.Authority;
import com.ischoolbar.programmer.entity.admin.Menu;
import com.ischoolbar.programmer.entity.admin.Role;
import com.ischoolbar.programmer.entity.admin.User;
import com.ischoolbar.programmer.service.admin.AuthorityService;
import com.ischoolbar.programmer.service.admin.LogService;
import com.ischoolbar.programmer.service.admin.MenuService;
import com.ischoolbar.programmer.service.admin.RoleService;
import com.ischoolbar.programmer.service.admin.UserService;
import com.ischoolbar.programmer.util.CpachaUtil;
import com.ischoolbar.programmer.util.MenuUtil;

/**
 * 系统操作类控制器
 *
 */
@Controller
@RequestMapping("/system")
public class SystemController {
	
	@Autowired
	private UserService userService;
	
	@Autowired
	private RoleService roleService;
	
	@Autowired
	private AuthorityService authorityService;
	
	@Autowired
	private MenuService menuService;
	
	@Autowired
	private LogService logService;
	
	/**
	 * 系统登录后的主页
	 * @param model
	 * @return
	 */
	@RequestMapping(value="/index",method=RequestMethod.GET)
	public ModelAndView index(ModelAndView model,HttpServletRequest request){
		List<Menu> userMenus = (List<Menu>)request.getSession().getAttribute("userMenus");
		model.addObject("topMenuList", MenuUtil.getAllTopMenu(userMenus));
		model.addObject("secondMenuList", MenuUtil.getAllSecondMenu(userMenus));
		model.setViewName("system/index");
		return model;//WEB-INF/views/+system/index+.jsp = WEB-INF/views/system/index.jsp
	}
	
	/**
	 * 系统登录后的欢迎页
	 * @param model
	 * @return
	 */
	@RequestMapping(value="/welcome",method=RequestMethod.GET)
	public ModelAndView welcome(ModelAndView model){
		model.setViewName("system/welcome");
		return model;
	}
	/**
	 * 登陆页面
	 * @param model
	 * @return
	 */
	@RequestMapping(value="/login",method=RequestMethod.GET)
	public ModelAndView login(ModelAndView model){
		model.setViewName("system/login");
		return model;
	}
	
	/**
	 * 注册页面
	 * @param model
	 * @return
	 */
	@RequestMapping(value="/register",method=RequestMethod.GET)
	public ModelAndView register(ModelAndView model){
		model.setViewName("system/register");
		return model;
	}
	
	/**
	 * 登录表单提交处理控制器
	 * @param user
	 * @param cpacha
	 * @return
	 */
	@RequestMapping(value="/login",method=RequestMethod.POST)
	@ResponseBody
	public Map<String, String> loginAct(User user,String cpacha,HttpServletRequest request){
		Map<String, String> ret = new HashMap<String, String>();
		if(user == null){
			ret.put("type", "error");
			ret.put("msg", "请填写用户信息！");
			return ret;
		}
		if(StringUtils.isEmpty(cpacha)){
			ret.put("type", "error");
			ret.put("msg", "请填写验证码！");
			return ret;
		}
		if(StringUtils.isEmpty(user.getUsername())){
			ret.put("type", "error");
			ret.put("msg", "请填写用户名！");
			return ret;
		}
		if(StringUtils.isEmpty(user.getPassword())){
			ret.put("type", "error");
			ret.put("msg", "请填写密码！");
			return ret;
		}
		Object loginCpacha = request.getSession().getAttribute("loginCpacha");
		if(loginCpacha == null){
			ret.put("type", "error");
			ret.put("msg", "会话超时，请刷新页面！");
			return ret;
		}
		if(!cpacha.toUpperCase().equals(loginCpacha.toString().toUpperCase())){
			ret.put("type", "error");
			ret.put("msg", "验证码错误！");
			logService.add("用户名为"+user.getUsername()+"的用户登录时输入验证码错误!");
			return ret;
		}
		User findByUsername = userService.findByUsername(user.getUsername());
		if(findByUsername == null){
			ret.put("type", "error");
			ret.put("msg", "该用户名不存在！");
			logService.add("登录时，用户名为"+user.getUsername()+"的用户不存在!");
			return ret;
		}
		if(!user.getPassword().equals(findByUsername.getPassword())){
			ret.put("type", "error");
			ret.put("msg", "密码错误！");
			logService.add("用户名为"+user.getUsername()+"的用户登录时输入密码错误!");
			return ret;
		}
		//说明用户名密码及验证码都正确
		//此时需要查询用户的角色权限
		if(!user.getRoleId().equals(findByUsername.getRoleId())){
			ret.put("type", "error");
			ret.put("msg", "角色错误！");
			logService.add("用户名为"+user.getUsername()+"的用户登录时输入角色错误!");
			return ret;
		}
		Role role = roleService.find(findByUsername.getRoleId());
		List<Authority> authorityList = authorityService.findListByRoleId(role.getId());//根据角色获取权限列表
		String menuIds = "";
		for(Authority authority:authorityList){
			menuIds += authority.getMenuId() + ",";
		}
		if(!StringUtils.isEmpty(menuIds)){
			menuIds = menuIds.substring(0,menuIds.length()-1);
		}
		List<Menu> userMenus = menuService.findListByIds(menuIds);
		//把角色信息、菜单信息放到session中
		request.getSession().setAttribute("admin", findByUsername);
		request.getSession().setAttribute("role", role);
		request.getSession().setAttribute("userMenus", userMenus);
		ret.put("type", "success");
		ret.put("msg", "登录成功！");
		logService.add("用户名为{"+user.getUsername()+"}，角色为{"+role.getName()+"}的用户登录成功!");
		return ret;
	}
	
	/**
	 * 登录表单提交处理控制器
	 * @param user
	 * @param cpacha
	 * @return
	 */
	@RequestMapping(value="/register",method=RequestMethod.POST)
	@ResponseBody
	public Map<String, String> registerAct(User user,String cpacha,HttpServletRequest request){
		Map<String, String> ret = new HashMap<String, String>();
		if(user == null){
			ret.put("type", "error");
			ret.put("msg", "请填写用户信息！");
			return ret;
		}
		if(StringUtils.isEmpty(cpacha)){
			ret.put("type", "error");
			ret.put("msg", "请填写验证码！");
			return ret;
		}
		if(StringUtils.isEmpty(user.getUsername())){
			ret.put("type", "error");
			ret.put("msg", "请填写用户名！");
			return ret;
		}
		if(StringUtils.isEmpty(user.getPassword())){
			ret.put("type", "error");
			ret.put("msg", "请填写密码！");
			return ret;
		}
		Object loginCpacha = request.getSession().getAttribute("loginCpacha");
		if(loginCpacha == null){
			ret.put("type", "error");
			ret.put("msg", "会话超时，请刷新页面！");
			return ret;
		}
		if(!cpacha.toUpperCase().equals(loginCpacha.toString().toUpperCase())){
			ret.put("type", "error");
			ret.put("msg", "验证码错误！");
			logService.add("用户名为"+user.getUsername()+"的用户注册时输入验证码错误!");
			return ret;
		}
		User findByUsername = userService.findByUsername(user.getUsername());
		if(findByUsername != null){
			ret.put("type", "error");
			ret.put("msg", "该用户名已存在！");
			logService.add("注册时，用户名为"+user.getUsername()+"的用户已存在!");
			return ret;
		}
		//新增用户
		int result = userService.add(user);
		if(1 != result){
			ret.put("type", "error");
			ret.put("msg", "系统异常稍后尝试！");
		}
		ret.put("type", "success");
		ret.put("msg", "注册成功！");
		logService.add("用户名为{"+user.getUsername()+"}用户登录成功!");
		return ret;
	}
	
	/**
	 * 后台退出注销功能
	 * @param request
	 * @return
	 */
	@RequestMapping(value="/logout",method=RequestMethod.GET)
	public String logout(HttpServletRequest request){
		HttpSession session = request.getSession();
		session.setAttribute("admin", null);
		session.setAttribute("role", null);
		request.getSession().setAttribute("userMenus", null);
		return "redirect:login";
	}
	
	/**
	 * 修改密码页面
	 * @param model
	 * @return
	 */
	@RequestMapping(value="/edit_password",method=RequestMethod.GET)
	public ModelAndView editPassword(ModelAndView model){
		model.setViewName("system/edit_password");
		return model;
	}
	
	@RequestMapping(value="/edit_password",method=RequestMethod.POST)
	@ResponseBody
	public Map<String, String> editPasswordAct(String newpassword,String oldpassword,HttpServletRequest request){
		Map<String, String> ret = new HashMap<String, String>();
		if(StringUtils.isEmpty(newpassword)){
			ret.put("type", "error");
			ret.put("msg", "请填写新密码！");
			return ret;
		}
		User user = (User)request.getSession().getAttribute("admin");
		if(!user.getPassword().equals(oldpassword)){
			ret.put("type", "error");
			ret.put("msg", "原密码错误！");
			return ret;
		}
		user.setPassword(newpassword);
		if(userService.editPassword(user) <= 0){
			ret.put("type", "error");
			ret.put("msg", "密码修改失败，请联系管理员！");
			return ret;
		}
		ret.put("type", "success");
		ret.put("msg", "密码修改成功！");
		logService.add("用户名为{"+user.getUsername()+"}，的用户成功修改密码!");
		return ret;
	} 
	
	/**
	 * 本系统所有的验证码均采用此方法
	 * @param vcodeLen
	 * @param width
	 * @param height
	 * @param cpachaType:用来区别验证码的类型，传入字符串
	 * @param request
	 * @param response
	 */
	@RequestMapping(value="/get_cpacha",method=RequestMethod.GET)
	public void generateCpacha(
			@RequestParam(name="vl",required=false,defaultValue="4") Integer vcodeLen,
			@RequestParam(name="w",required=false,defaultValue="100") Integer width,
			@RequestParam(name="h",required=false,defaultValue="30") Integer height,
			@RequestParam(name="type",required=true,defaultValue="loginCpacha") String cpachaType,
			HttpServletRequest request,
			HttpServletResponse response){
		CpachaUtil cpachaUtil = new CpachaUtil(vcodeLen, width, height);
		String generatorVCode = cpachaUtil.generatorVCode();
		request.getSession().setAttribute(cpachaType, generatorVCode);
		BufferedImage generatorRotateVCodeImage = cpachaUtil.generatorRotateVCodeImage(generatorVCode, true);
		try {
			ImageIO.write(generatorRotateVCodeImage, "gif", response.getOutputStream());
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}
}