Java项目:大学生校园帮管理系统(java+Springboot+SSM+layui+HTML+Mysql)

该项目是一个基于SpringBoot的Web应用,整合了MyBatis、HTML、CSS、JavaScript等技术,实现了用户个人资料展示、商品信息浏览、评论及回复功能,以及订单管理。用户可以编辑个人信息、查看订单历史,商家可以管理商品和订单状态。

摘要生成于 C知道 ,由 DeepSeek-R1 满血版支持, 前往体验 >

源码获取:俺的博客首页 "资源" 里下载!

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:

SpringBoot + MyBatis + html+ css + JavaScript + JQuery + Ajax + layui+ maven等等

用户管理控制层:

@Controller
@RequestMapping(value = "user")
public class UserController {
	private final GoodService goodService;
	private final OrderService orderService;
	private final ReviewService reviewService;
	private final UserService userService;
	private final CollectService collectService;

	@Autowired
	public UserController(GoodService goodService, OrderService orderService,
			ReviewService reviewService, UserService userService,
			CollectService collectService) {
		this.goodService = goodService;
		this.orderService = orderService;
		this.reviewService = reviewService;
		this.userService = userService;
		this.collectService = collectService;
	}

	@RequestMapping(value = "userProfile", method = RequestMethod.GET)
	public String getMyProfile(ModelMap model, HttpSession session) {
		User user = (User) session.getAttribute("user");
		if (user == null) {
			return "redirect:/";
		}
		List<Collect> collects = collectService
				.getCollectByUserId(user.getId());
		for (Collect collect : collects) {
			collect.setGood(goodService.getGoodById(collect.getGoodId()));
		}
		List<Good> goods = goodService.getGoodByUserId(user.getId());
		List<Order> orders = orderService.getOrderByCustomerId(user.getId());
		List<Review> reviews = reviewService.gerReviewByToUserId(user.getId());
		List<Reply> replies = reviewService.gerReplyByToUserId(user.getId());
		List<Order> sellGoods = orderService.getOrderBySellerId(user.getId());
		model.addAttribute("collects", collects);
		model.addAttribute("goods", goods);
		model.addAttribute("orders", orders);
		model.addAttribute("reviews", reviews);
		model.addAttribute("replies", replies);
		model.addAttribute("sellGoods", sellGoods);
		return "user/userProfile";
	}

	@RequestMapping(value = "/review", method = RequestMethod.GET)
	public String getReviewInfo(@RequestParam(required = false) Integer goodId,
			@RequestParam(required = false) Integer reviewId) {
		System.out.println("reviewId" + reviewId);
		if (reviewId != null) {
			System.out.println("reviewId" + reviewId);
			if (reviewService.updateReviewStatus(1, reviewId) == 1) {
				return "redirect:/goods/goodInfo?goodId=" + goodId;
			}
		}
		return "redirect:/user/userProfile";
	}

	@RequestMapping(value = "/reply", method = RequestMethod.GET)
	public String getReplyInfo(
			@RequestParam(required = false) Integer reviewId,
			@RequestParam(required = false) Integer replyId) {
		if (replyId != null) {
			if (reviewService.updateReplyStatus(1, replyId) == 1) {
				Integer goodId = reviewService.getGoodIdByReviewId(reviewId);
				return "redirect:/goods/goodInfo?goodId=" + goodId;
			}
		}
		return "redirect:/user/userProfile";
	}

	@RequestMapping(value = "/userEdit", method = RequestMethod.GET)
	public String getUserEdit(ModelMap model,
			@RequestParam(value = "userId", required = false) Integer userId,
			HttpSession session) {
		User sessionUser = (User) session.getAttribute("user");
		if (sessionUser == null) {
			return "redirect:/";
		}
		User user = userService.getUserById(userId);
		List<Order> sellGoods = orderService.getOrderBySellerId(user.getId());
		List<Review> reviews = reviewService.gerReviewByToUserId(user.getId());
		List<Reply> replies = reviewService.gerReplyByToUserId(user.getId());
		model.addAttribute("user", user);
		model.addAttribute("sellGoods", sellGoods);
		model.addAttribute("reviews", reviews);
		model.addAttribute("replies", replies);
		return "user/userEdit";
	}

	@RequestMapping(value = "/userEdit", method = RequestMethod.POST)
	public String postUserEdit(ModelMap model, @Valid User user,
			HttpSession session,
			@RequestParam(value = "photo", required = false) MultipartFile photo)
			throws IOException {
		String status;
		Boolean insertSuccess;
		User sessionUser = (User) session.getAttribute("user");
		user.setId(sessionUser.getId());
		InfoCheck infoCheck = new InfoCheck();
		if (!infoCheck.isMobile(user.getMobile())) {
			status = "请输入正确的手机号!";
		} else if (!infoCheck.isEmail(user.getEmail())) {
			status = "请输入正确的邮箱!";
		} else if (userService.getUserByMobile(user.getMobile()).getId() != user
				.getId()) {
			System.out.println(userService.getUserByMobile(user.getMobile())
					.getId() + " " + user.getId());
			status = "此手机号码已使用!";
		} else if (userService.getUserByEmail(user.getEmail()).getId() != user
				.getId()) {
			status = "此邮箱已使用!";
		} else {
			if (!photo.isEmpty()) {
				RandomString randomString = new RandomString();
				FileCheck fileCheck = new FileCheck();
				String filePath = "/statics/image/photos/" + user.getId();
				String pathRoot = fileCheck.checkGoodFolderExist(filePath);
				String fileName = user.getId()
						+ randomString.getRandomString(10);
				String contentType = photo.getContentType();
				String imageName = contentType.substring(contentType
						.indexOf("/") + 1);
				String name = fileName + "." + imageName;
				photo.transferTo(new File(pathRoot + name));
				String photoUrl = filePath + "/" + name;
				user.setPhotoUrl(photoUrl);
			} else {
				String photoUrl = userService.getUserById(user.getId())
						.getPhotoUrl();
				user.setPhotoUrl(photoUrl);
			}
			insertSuccess = userService.updateUser(user);
			if (insertSuccess) {
				session.removeAttribute("user");
				session.setAttribute("user", user);
				return "redirect:/user/userProfile";
			} else {
				status = "修改失败!";
				model.addAttribute("user", user);
				model.addAttribute("status", status);
				return "user/userEdit";
			}
		}
		System.out.println(user.getMobile());
		System.out.println(status);
		model.addAttribute("user", user);
		model.addAttribute("status", status);
		return "user/userEdit";
	}

	@RequestMapping(value = "/password/edit", method = RequestMethod.POST)
	public ResponseEntity editPassword(@RequestBody Password password) {
		User user = userService.getUserById(password.getUserId());
		String oldPass = DigestUtils
				.md5DigestAsHex((password.getOldPassword() + user.getCode())
						.getBytes());
		if (oldPass.equals(user.getPassword())) {
			RandomString randomString = new RandomString();
			String code = (randomString.getRandomString(5));
			String md5Pass = DigestUtils.md5DigestAsHex((password
					.getNewPassword() + code).getBytes());
			Boolean success = userService.updatePassword(md5Pass, code,
					password.getUserId());
			if (success) {
				return ResponseEntity.ok(true);
			} else {
				return ResponseEntity.ok("密码修改失败!");
			}
		} else {
			return ResponseEntity.ok("原密码输入不正确!");
		}
	}

}

商品管理控制层:

@Controller
public class GoodController {

	private final GoodService goodService;
	private final TypeService typeService;
	private final ReviewService reviewService;
	private final UserService userService;
	private final ImageService imageService;
	private final CollectService collectService;

	private static String message = "";

	@Autowired
	public GoodController(GoodService goodService, TypeService typeService,
			ReviewService reviewService, UserService userService,
			ImageService imageService, CollectService collectService) {
		this.goodService = goodService;
		this.typeService = typeService;
		this.reviewService = reviewService;
		this.userService = userService;
		this.imageService = imageService;
		this.collectService = collectService;
	}

	@RequestMapping(value = "/", method = RequestMethod.GET)
	public String getHomeGoods(
			ModelMap model,
			@RequestParam(required = false, defaultValue = "") String searchText,
			@RequestParam(required = false) Integer secondTypeId,
			@RequestParam(required = false, defaultValue = "0") int offset,
			@RequestParam(required = false, defaultValue = "40") int limit) {
		List<Good> goods = goodService.getGoodsBySearchAndType(searchText,
				secondTypeId, offset, limit);
		double goodsNum = goodService.getGoodsBySearchAndTypeCount(searchText,
				secondTypeId);
		List<FirstType> firstTypes = typeService.getAllFirstType();
		for (FirstType firstType : firstTypes) {
			firstType.setSecondType(typeService
					.getSecondTypeByFirstTypeId(firstType.getId()));
		}
		model.addAttribute("firstTypes", firstTypes);
		model.addAttribute("goods", goods);
		model.addAttribute("pages", Math.ceil(goodsNum / limit));
		model.addAttribute("goodsNum", goodsNum);
		model.addAttribute("offset", offset);
		model.addAttribute("limit", limit);
		return "home/homeGoods";
	}

	@RequestMapping(value = "/goods/goodInfo", method = RequestMethod.GET)
	public String getGoodInfo(ModelMap model, HttpSession httpSession,
			@RequestParam(required = false) Integer goodId) {
		Good goodInfo = goodService.getGoodById(goodId);
		if (goodInfo == null) {
			return "goods/error";
		}
		Integer collect = 1;
		User user = (User) httpSession.getAttribute("user");
		if (user == null) {
			collect = 0;
		} else {
			if (collectService.getCollect(goodId, user.getId())) {
				collect = 2;
			}
		}
		List<Image> images = imageService.getImageByGoodId(goodId);
		User goodUser = userService.getUserById(goodInfo.getUserId());
		goodInfo.setGoodUser(userService.getUserById(goodInfo.getUserId()));
		goodInfo.setGoodSecondType(typeService.getSecondTypeById(goodInfo
				.getSecondTypeId()));
		List<Review> reviews = reviewService.gerReviewByGoodId(goodId);
		for (Review review : reviews) {
			review.setReplys(reviewService.gerReplyByReviewId(review.getId()));
		}
		List<Good> goods = goodService.getRECGoods(goodInfo.getSecondTypeId(),
				goodInfo.getId());
		model.addAttribute("message", message);
		model.addAttribute("reviews", reviews);
		model.addAttribute("goodInfo", goodInfo);
		model.addAttribute("images", images);
		model.addAttribute("goodUser", goodUser);
		model.addAttribute("goods", goods);
		model.addAttribute("collect", collect);
		message = "";
		return "goods/goodInfo";
	}

	@RequestMapping(value = "/goods/goodInfo", method = RequestMethod.POST)
	public String putReview(
			@RequestParam(value = "goodId", required = false) Integer goodId,
			@RequestParam(value = "reviewId", required = false) Integer reviewId,
			@RequestParam(value = "fromUserId", required = false) Integer fromUserId,
			@RequestParam(value = "toUserId", required = false) Integer toUserId,
			@RequestParam(value = "fromUser", required = false) String fromUser,
			@RequestParam(value = "toUser", required = false) String toUser,
			@RequestParam(value = "replyText", required = false, defaultValue = "") String replyText,
			@RequestParam(value = "reviewText", required = false, defaultValue = "") String reviewText) {
		if (reviewText.equals("")) {
			if (replyText.equals("")) {
				message = "内容不能为空!";
				return "redirect:/goods/goodInfo?goodId=" + goodId;
			} else {
				Reply reply = new Reply();
				reply.setReviewId(reviewId);
				reply.setFromUser(fromUser);
				reply.setFromUserId(fromUserId);
				reply.setToUser(toUser);
				reply.setToUserId(toUserId);
				reply.setText(replyText);
				if (reviewService.insertReply(reply) == 1) {
					message = "回复成功!";
					return "redirect:/goods/goodInfo?goodId=" + goodId;
				} else {
					message = "回复失败!";
					return "redirect:/goods/goodInfo?goodId=" + goodId;
				}
			}
		} else {
			Review review = new Review();
			review.setGoodId(goodId);
			review.setFromUser(fromUser);
			review.setFromUserId(fromUserId);
			review.setToUserId(toUserId);
			review.setText(reviewText);
			if (reviewService.insertReview(review) == 1) {
				message = "评论成功!";
				return "redirect:/goods/goodInfo?goodId=" + goodId;
			} else {
				message = "评论失败!";
				return "redirect:/goods/goodInfo?goodId=" + goodId;
			}
		}
	}

	@RequestMapping(value = "/goods/publishGood", method = RequestMethod.GET)
	public String getPublishGood(ModelMap model, HttpSession session) {
		User user = (User) session.getAttribute("user");
		if (user == null) {
			return "redirect:/";
		}
		Good good = new Good();
		List<FirstType> firstTypes = typeService.getAllFirstType();
		List<Good> goods = goodService.getAllGoods(0, 5);
		model.addAttribute("goods", goods);
		model.addAttribute("good", good);
		model.addAttribute("firstTypes", firstTypes);
		return "goods/publishGood";
	}

	@RequestMapping(value = "/goods/publishGood", method = RequestMethod.POST)
	public String getGoodId(ModelMap model, HttpSession session,
			@Valid Good good) {
		List<FirstType> firstTypes = typeService.getAllFirstType();
		User user = (User) session.getAttribute("user");
		List<Good> goods = goodService.getAllGoods(0, 5);
		good.setUserId(user.getId());
		good.setPhotoUrl("/statics/image/goods/default/nophoto.png");
		if (goodService.insertGood(good) != 1) {
			System.out.println("插入物品失败!");
		}
		model.addAttribute("goods", goods);
		model.addAttribute("good", good);
		model.addAttribute("firstTypes", firstTypes);
		return "goods/publishGood";
	}

	@RequestMapping(value = "/goods/publishGood/uploadImage", method = RequestMethod.POST)
	public String uploadImage(
			HttpSession session,
			@RequestParam(value = "goodId", required = false) Integer goodId,
			@RequestParam(value = "mainFile", required = false) MultipartFile mainFile,
			@RequestParam(value = "file", required = false) MultipartFile[] file)
			throws IOException {
		User user = (User) session.getAttribute("user");
		FileCheck fileCheck = new FileCheck();
		RandomString randomString = new RandomString();
		String filePath = "/statics/image/goods/" + user.getId() + "/" + goodId;
		String pathRoot = fileCheck.checkGoodFolderExist(filePath);
		String name;
		if (!mainFile.isEmpty()) {
			String fileName = goodId + randomString.getRandomString(10);
			String contentType = mainFile.getContentType();
			String imageName = contentType
					.substring(contentType.indexOf("/") + 1);
			name = fileName + "." + imageName;
			mainFile.transferTo(new File(pathRoot + name));
			String photoUrl = filePath + "/" + name;
			goodService.updateGoodPhotoUrl(photoUrl, goodId);
		}
		for (MultipartFile mf : file) {
			if (!mf.isEmpty()) {
				// 生成uuid作为文件名称
				String fileName = goodId + randomString.getRandomString(10);
				// 获得文件类型(可以判断如果不是图片,禁止上传)
				String contentType = mf.getContentType();
				// 获得文件后缀名称
				String imageName = contentType.substring(contentType
						.indexOf("/") + 1);
				name = fileName + "." + imageName;
				System.out.println("name:" + name);
				mf.transferTo(new File(pathRoot + name));
				Image image = new Image();
				image.setGoodId(goodId);
				image.setName(name);
				image.setUrl(filePath + "/" + name);
				imageService.insertImage(image);
			} else {
				System.out.println("文件为空!");
			}
		}
		return "redirect:/goods/goodInfo?goodId=" + goodId;
	}

	@RequestMapping(value = "/goods/userGoods", method = RequestMethod.GET)
	public String getUserGoods(ModelMap model,
			@RequestParam(value = "userId", required = false) Integer userId) {
		User user = userService.getUserById(userId);
		List<Good> userGoods = goodService.getGoodStatusByUserId(userId);
		List<Good> goods = goodService.getAllGoods(0, 4);
		model.addAttribute("user", user);
		model.addAttribute("userGoods", userGoods);
		model.addAttribute("goods", goods);
		return "goods/userGood";
	}

	@RequestMapping(value = "/goods/userGoodEdit", method = RequestMethod.GET)
	public String getUserGoodEdit(ModelMap model,
			@RequestParam(value = "goodId", required = false) Integer goodId,
			HttpSession session) {
		User user = (User) session.getAttribute("user");
		if (user == null) {
			return "redirect:/";
		}
		Good good = goodService.getGoodById(goodId);
		List<FirstType> firstTypes = typeService.getAllFirstType();
		List<Good> goods = goodService.getAllGoods(0, 5);
		List<Image> goodImages = imageService.getImageByGoodId(goodId);
		model.addAttribute("goods", goods);
		model.addAttribute("good", good);
		model.addAttribute("goodImages", goodImages);
		model.addAttribute("firstTypes", firstTypes);
		return "goods/userGoodEdit";
	}

	@RequestMapping(value = "/goods/userGoodEdit", method = RequestMethod.POST)
	public String postGoodEdit(ModelMap model, HttpSession session,
			@Valid Good good) {
		List<FirstType> firstTypes = typeService.getAllFirstType();
		User user = (User) session.getAttribute("user");
		if (user == null) {
			return "redirect:/";
		}
		List<Good> goods = goodService.getAllGoods(0, 5);
		if (!(goodService.updateGood(good) > 0)) {
			System.out.println("修改物品失败!");
		}
		List<Image> goodImages = imageService.getImageByGoodId(good.getId());
		model.addAttribute("goods", goods);
		model.addAttribute("good", good);
		model.addAttribute("goodImages", goodImages);
		model.addAttribute("firstTypes", firstTypes);
		return "goods/userGoodEdit";
	}

	@RequestMapping(value = "/goods/userGoodEdit/updateImage", method = RequestMethod.POST)
	public String updateImage(
			HttpSession session,
			@RequestParam(value = "goodId", required = false) Integer goodId,
			@RequestParam(value = "mainFile", required = false) MultipartFile mainFile,
			@RequestParam(value = "file", required = false) MultipartFile[] file)
			throws IOException {
		User user = (User) session.getAttribute("user");
		FileCheck fileCheck = new FileCheck();
		imageService.deleteImage(goodId);
		RandomString randomString = new RandomString();
		String filePath = "/statics/image/goods/" + user.getId() + "/" + goodId;
		String pathRoot = fileCheck.checkGoodFolderExist(filePath);
		String name;
		if (!mainFile.isEmpty()) {
			String contentType = mainFile.getContentType();
			String fileName = goodId + randomString.getRandomString(10);
			String imageName = contentType
					.substring(contentType.indexOf("/") + 1);
			name = fileName + "." + imageName;
			mainFile.transferTo(new File(pathRoot + name));
			String photoUrl = filePath + "/" + name;
			goodService.updateGoodPhotoUrl(photoUrl, goodId);
		}

		for (MultipartFile mf : file) {
			if (!mf.isEmpty()) {
				String contentType = mf.getContentType();
				String fileName = goodId + randomString.getRandomString(10);
				String imageName = contentType.substring(contentType
						.indexOf("/") + 1);
				name = fileName + "." + imageName;
				System.out.println("name:" + name);
				mf.transferTo(new File(pathRoot + name));
				Image image = new Image();
				image.setGoodId(goodId);
				image.setName(name);
				image.setUrl(filePath + "/" + name);
				imageService.insertImage(image);
			}
		}
		return "redirect:/goods/goodInfo?goodId=" + goodId;
	}

	@RequestMapping(value = "/goods/userGoodEdit/delete/{goodId}", method = RequestMethod.GET)
	public ResponseEntity deleteGood(@PathVariable Integer goodId) {
		Boolean success;
		success = goodService.deleteGood(goodId) > 0;
		return ResponseEntity.ok(success);
	}

	@RequestMapping(value = "/goods/userGoodEdit/updateGoodStatus/{goodId}", method = RequestMethod.GET)
	public ResponseEntity updateGoodStatus(@PathVariable Integer goodId) {
		Boolean success;
		success = goodService.updateGoodStatusId(0, goodId) > 0;
		return ResponseEntity.ok(success);
	}

	@RequestMapping(value = "/admin/goods/allGoods", method = RequestMethod.GET)
	public ResponseEntity adminGetAllGoods() {
		List<Good> goodList = goodService.getAllGoodList();
		for (Good good : goodList) {
			good.setGoodUser(userService.getUserById(good.getUserId()));
			good.setGoodSecondType(typeService.getSecondTypeById(good
					.getSecondTypeId()));
		}
		return ResponseEntity.ok(goodList);
	}
}

订单管理控制层:

@Controller
public class OrderController {
	private final GoodService goodService;
	private final OrderService orderService;

	@Autowired
	public OrderController(GoodService goodService, OrderService orderService) {
		this.goodService = goodService;
		this.orderService = orderService;
	}

	@RequestMapping(value = "/user/orderInfo", method = RequestMethod.GET)
	public String getOrderInfo(ModelMap model,
			@RequestParam(value = "orderId", required = false) Integer orderId,
			HttpSession session) {
		User sessionUser = (User) session.getAttribute("user");
		if (sessionUser == null) {
			return "redirect:/";
		}
		Order orderInfo = orderService.getOrderById(orderId);
		List<Order> orders = orderService.getOtherOrderByCustomerId(
				sessionUser.getId(), orderId);
		model.addAttribute("orderInfo", orderInfo);
		model.addAttribute("orders", orders);
		return "user/orderInfo";
	}

	@RequestMapping(value = "/user/sellerInfo", method = RequestMethod.GET)
	public String getSellerInfo(ModelMap model,
			@RequestParam(value = "orderId", required = false) Integer orderId,
			HttpSession session) {
		User sessionUser = (User) session.getAttribute("user");
		if (sessionUser == null) {
			return "redirect:/";
		}
		Order orderInfo = orderService.getOrderById(orderId);
		List<Order> orders = orderService.getOtherOrderBySellerId(
				sessionUser.getId(), orderId);
		model.addAttribute("orderInfo", orderInfo);
		model.addAttribute("orders", orders);
		System.out.println("sellerInfo.size:" + orders.size());
		return "user/sellerInfo";
	}

	@RequestMapping(value = "/user/order/delete/{orderId}", method = RequestMethod.GET)
	public ResponseEntity deleteOrderById(@PathVariable Integer orderId) {
		Boolean success;
		success = orderService.deleteOrderById(orderId) > 0;
		return ResponseEntity.ok(success);
	}

	@RequestMapping(value = "/user/sellerOrder/delete/{orderId}&{goodId}", method = RequestMethod.GET)
	public ResponseEntity deleteSellerOrderById(@PathVariable Integer orderId,
			@PathVariable Integer goodId) {
		Boolean success;
		success = goodService.updateGoodStatusId(1, goodId) > 0;
		if (success) {
			success = orderService.deleteOrderById(orderId) > 0;
		}
		return ResponseEntity.ok(success);
	}

	@RequestMapping(value = "/user/order/update/status/{orderId}&{statusId}", method = RequestMethod.GET)
	public ResponseEntity updateOrderStatus(@PathVariable Integer orderId,
			@PathVariable Integer statusId) {
		Boolean success = orderService.updateStatus(statusId, orderId) > 0;
		if (success) {
			Order order = orderService.getOrderById(orderId);
			return ResponseEntity.ok(order);
		}
		return ResponseEntity.ok(success);
	}

	@RequestMapping(value = "/user/order/create", method = RequestMethod.POST)
	public ResponseEntity createOrder(@RequestBody Order order) {
		Boolean success = orderService.insertOrder(order) > 0;
		if (success) {
			success = goodService.updateGoodStatusId(0, order.getGoodId()) > 0;
			if (success) {
				return ResponseEntity.ok(order.getId());
			} else {
				orderService.deleteOrderById(order.getId());
				return ResponseEntity.ok(success);
			}
		}
		return ResponseEntity.ok(success);
	}

	@RequestMapping(value = "/user/order/allOrder", method = RequestMethod.GET)
	public ResponseEntity getAllOrders() {
		List<Order> orderList = orderService.getOrderList();
		return ResponseEntity.ok(orderList);
	}
}

源码获取:俺的博客首页 "资源" 里下载!

1.Spring简介 Spring是一个开源框架,Spring是于2003年兴起的一个轻量级的Java开发框架,由Rod Johnson在其著作Expert One-On-One J2EE Development and Design中阐述的部分理念和原型衍生而来。它是为了解决企业应用开发的复杂性而创建的。Spring使用基本的JavaBean来完成以前只可能由EJB完成的事情。然而,Spring的用途不仅限于服务器端的开发。从简单性、可测试性和松耦合的角度而言,任何Java应用都可以从Spring中受益。 简单来说,Spring是一个轻量级的控制反转(IoC)和面向切面(AOP)的容器框架。 A.控制反转(IOC)是什么呢? IOC:控制反转也叫依赖注入。利用了工厂模式将对象交给容器管理,你只需要在spring配置文件总配置相应的bean,以及设置相关的属性,让spring容器来生成类的实例对象以及管理对象。在spring容器启动的时候,spring会把你在配置文件中配置的bean都初始化好,然后在你需要调用的时候,就把它已经初始化好的那些bean分配给你需要调用这些bean的类(假设这个类名是A),分配的方法就是调用A的setter方法来注入,而不需要你在A里面new这些bean了。 [注意]:面试的时候,如果有条件,画图,这样更加显得你懂了 B.面向切面(AOP)又是什么呢? 首先,需要说明的一点,AOP只是Spring的特性,它就像OOP一样是一种编程思想,并不是某一种技术,AOP可以说是对OOP的补充和完善。OOP引入封装、继承和多态性等概念来建立一种对象层次结构,用以模拟公共行为的一个集合。当我们需要为分散的对象引入公共行为的时候,OOP则显得无能为力。也就是说,OOP允许你定义从上到下的关系,但并不适合定义从左到右的关系。例如日志功能。日志代码往往水平地散布在所有对象层次中,而与它所散布到的对象的核心功能毫无关系。在OOP设计中,它导致了大量代码的重复,而不利于各个模块的重用。将程序中的交叉业务逻辑(比如安全,日志,事务等),封装成一个切面,然后注入到目标对象(具体业务逻辑)中去。 实现AOP的技术,主要分为两大类:一是采用动态代理技术,利用截取消息的方式,对该消息进行装饰,以取代原有对象行为的执行;二是采用静态织入的方式,引入特定的语法创建“方面”,从而使得编译器可以在编译期间织入有关“方面”的代码。 [简单点解释],比方说你想在你的biz层所有类中都加上一个打印‘你好,AOP’的功能这你经可以用aop思想来做,你先写个类写个方法,方法经实现打印‘你好,AOP’让后你Ioc这个类 ref=“biz.*”让每个类都注入。 2.Spring MVC简介 Spring MVC属于Spring Framework的后续产品,已经融合在Spring Web Flow里面,它原生支持的Spring特性,让开发变得非常简单规范。Spring MVC 分离了控制器、模型对象、分派器以及处理程序对象的角色,这种分离让它们更容易进行定制。 3.MyBatis简介 MyBatis本是apache的一个开源项目iBatis, 2010年这个项目由apache software foundation 迁移到了google code,并且改名为MyBatis 。MyBatis是一个基于Java的持久层框架。iBATIS提供的持久层框架包括SQL Maps和Data Access Objects(DAO)MyBatis消除了几乎所有的JDBC代码和参数的手工设置以及结果集的检索。MyBatis使用简单的XML或注解用于配置和原始映射,将接口和Java的POJOs(Plain Old Java Objects,普通的 Java对象)映射成数据库中的记录。可以这么理解,MyBatis是一个用来你管理数据增删改查的框架。
评论 1
添加红包

请填写红包祝福语或标题

红包个数最小为10个

红包金额最低5元

当前余额3.43前往充值 >
需支付:10.00
成就一亿技术人!
领取后你会自动成为博主和红包主的粉丝 规则
hope_wisdom
发出的红包

打赏作者

OldWinePot

你的鼓励将是我创作的最大动力

¥1 ¥2 ¥4 ¥6 ¥10 ¥20
扫码支付:¥1
获取中
扫码支付

您的余额不足,请更换扫码支付或充值

打赏作者

实付
使用余额支付
点击重新获取
扫码支付
钱包余额 0

抵扣说明:

1.余额是钱包充值的虚拟货币,按照1:1的比例进行支付金额的抵扣。
2.余额无法直接购买下载,可以购买VIP、付费专栏及课程。

余额充值