Java 实战范例之线上婚纱摄影预定系统的实现

一、项目简述

功能： 前后用户的登录注册，婚纱照片分类，查看，摄影师预 订，后台订单管理，图片管理等等。

二、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+CSS+JavaScript+jsp+mysql+Spring+SpringMVC+mybatis+Spring boot

用户登陆信息操作代码：

/**
 * 用户登陆信息操作
 */
@Controller
@RequestMapping("/user")
@Scope("prototype")
public class UserController {
 
	private static final Logger logger = LoggerFactory.getLogger(UserController.class);
	private ReturnResult returnResult = new ReturnResult();
 
	@Resource(name = "userService")
	private IUserService userService;
 
	/**
	 * 登录
	 * @param user
	 * @param session
	 * @return
	 */
	@RequestMapping(value = "login")
	@ResponseBody
	public ReturnResult login(TUser user, HttpSession session) {
		returnResult.setStatus(ReturnCodeType.FAILURE);
 
		try {
			user = userService.login(user);
			if (user != null) {
				user.setPassword(null);
				session.setAttribute("user", user);
				returnResult.setStatus(ReturnCodeType.SUCCESS);
 
			}
		} catch (Exception e) {
			logger.error("登录失败" + e);
 
		}
		return returnResult;
 
	}
 
	/**
	 * 从session中获取用户信息
	 * @param session
	 * @return
	 */
	@RequestMapping("getUserInfo")
	@ResponseBody
	public ReturnResult getUserInfo(HttpSession session) {
		returnResult.setStatus(ReturnCodeType.FAILURE);
		TUser user = (TUser) session.getAttribute("user");
		if (user != null) {
			returnResult.setStatus(ReturnCodeType.SUCCESS).setData(user);
		} else {
			logger.info("获取用户信息失败：用户未登录");
		}
		return returnResult;
	}
 
	/**
	 * 注册用户
	 * @param user
	 * @return
	 */
	@RequestMapping(value = "register")
	@ResponseBody
	public ReturnResult register(TUser user) {
		returnResult.setStatus(ReturnCodeType.FAILURE);
		try {
			if (userService.checkUserByName(user.getName())) {
				if (userService.register(user) >= 0) {
					returnResult.setStatus(ReturnCodeType.SUCCESS);
				}
			}
 
		} catch (Exception e) {
			logger.error("注册失败" + e);
		}
 
		return returnResult;
 
	}
 
	/**
	 * 检测用户名是否存在
	 * @param name
	 * @return
	 */
	@RequestMapping(value = "checkUserName")
	@ResponseBody
	public ReturnResult checkUserName(String name) {
		returnResult.setStatus(ReturnCodeType.FAILURE);
		try {
			if (userService.checkUserByName(name)) {
				returnResult.setStatus(ReturnCodeType.SUCCESS);
			}
 
		} catch (Exception e) {
			logger.error("检测用户名是否存在失败：" + e);
		}
 
		return returnResult;
 
	}
 
	/**
	 * 管理员查看所有的用户信息
	 * @param session
	 * @return
	 */
	@RequestMapping("getAllUserInfo")
	@ResponseBody
	public ReturnResult getAllUserInfo(HttpSession session,PageVO page,String name) {
		returnResult.setStatus(ReturnCodeType.FAILURE);
		try {
			if (session.getAttribute("admin") != null) {
				Map resultMap = new HashMap();
				StringBuffer sql = new StringBuffer("SELECT DISTINCT * FROM t_user WHERE 1=1");
				if(StringUtils.isNotBlank(name)){
					sql.append(" AND name="+name);
				}
				
				List> results = userService.selectPageBySQL(sql.toString(), page.getPage() - 1,
						page.getRows());
				if (!results.isEmpty() && results != null) {
					int total = userService.selectCount(new TUser());
					int rows = page.getRows();
					rows = rows == 0 ? 10 : rows;
					resultMap.put("total", (total % rows != 0 ? (total / rows + 1) : (total / rows)));
					resultMap.put("page", page.getPage());
					resultMap.put("records", total);
					resultMap.put("rows", results);
					returnResult.setStatus(ReturnCodeType.SUCCESS).setData(resultMap);
				}
			} else {
				logger.info("获取所有的用户信息失败：管理员未登录");
			}
		} catch (Exception e) {
			logger.error("获取所有的用户信息失败：" + e);
 
		}
		return returnResult;
	}
 
	/**
	 * 退出
	 * @param session
	 * @return
	 */
	@RequestMapping("logout")
	@ResponseBody
	public ReturnResult logout(HttpSession session) {
		session.invalidate();
		return returnResult.setStatus(ReturnCodeType.SUCCESS);
	}
 
	/**
	 * 修改密码
	 * @param oldPassword
	 * @param password
	 * @param session
	 * @return
	 */
	@RequestMapping("updatePassword")
	@ResponseBody
	public ReturnResult updatePassword(TUser user) {
		returnResult.setStatus(ReturnCodeType.FAILURE);
		try {
				if (userService.updatePassword(user) > 0) {
					returnResult.setStatus(ReturnCodeType.SUCCESS);
				}
		} catch (Exception e) {
			logger.error("修改密码失败：" + e);
		}
		return returnResult;
	}
	
}

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