ajaxController
package com.shop.controller; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; 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.RequestParam; import com.shop.po.User; import com.shop.service.UserService; @Controller public class ajaxController { @Autowired private UserService userService; @RequestMapping("/loginFindByid") public void loginFindByid(HttpServletRequest request, HttpServletResponse response, @RequestParam String username) { response.setContentType("text/html;charset=UTF-8"); try { User user = userService.loginFindByid(username); if (user != null) { response.getWriter().write("可以登录"); } else { response.getWriter().write("不可以登录"); } } catch (Exception e) { e.printStackTrace(); } } @RequestMapping("/registFindByid") public void registFindByid(HttpServletRequest request, HttpServletResponse response, @RequestParam String username) { response.setContentType("text/html;charset=UTF-8"); try { User user = userService.loginFindByid(username); if (user != null) { response.getWriter().write("已经被注册"); } else { response.getWriter().write("可以注册"); } } catch (Exception e) { e.printStackTrace(); } } }
cartController
package com.shop.controller; import javax.servlet.http.HttpServletRequest; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestParam; import com.shop.po.Cart; import com.shop.po.CartItem; import com.shop.po.Product; import com.shop.po.User; import com.shop.service.ProductService; @Controller public class cartController { @Autowired private ProductService productService; // 添加到购物车 @RequestMapping("/addCart") public String addCart(HttpServletRequest request, @RequestParam int pid, @RequestParam int count, Model model) { Product product = productService.finbProductByPid(pid); // 存进一个购物项 CartItem cartItem = new CartItem(); cartItem.setCount(count); cartItem.setProduct(product); cartItem.setSubtotle(count * product.getShopPrice()); // 存进购物车 Cart cart = getCart(request); cart.addCart(cartItem); return "cart"; } // 查看我的购物车 @RequestMapping("/myCart") public String myCart(HttpServletRequest request, Model model) { User loginUser = (User) request.getSession().getAttribute("loginUser"); if (loginUser == null) { model.addAttribute("message", "您还没有登录！"); return "msg"; } return "cart"; } // 清空购物车 @RequestMapping("/clearCart") public String clearCart(HttpServletRequest request) { Cart cart = getCart(request); cart.clearCart(); return "redirect:myCart.action"; } // 删除某个购物项 @RequestMapping("/delProFromCart") public String delProFromCart(@RequestParam int pid, HttpServletRequest request) { Cart cart = getCart(request); cart.delProFromCart(pid); return "redirect:myCart.action"; } public Cart getCart(HttpServletRequest request) { Cart cart = (Cart) request.getSession().getAttribute("cart"); if (cart == null) { cart = new Cart(); request.getSession().setAttribute("cart", cart); } return cart; } }
CategorySecondController
package com.shop.controller; import javax.servlet.http.HttpServletRequest; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestParam; import com.shop.Utils.PageBean; import com.shop.po.Product; import com.shop.service.ProductService; @Controller public class CategorySecondController { @Autowired private ProductService productService; //根据一级目录查找二级目录下面的商品(使用延迟加载但是这里不知为啥使用起来出错了) @RequestMapping("/findCategorySecond") public String findCategorySecond(HttpServletRequest request, @RequestParam int cid, Model model, @RequestParam int page) throws Exception { request.getSession().setAttribute("cid", cid); PageBean<Product> proPageBean = productService.findProductyBycid(cid, page); model.addAttribute("pageBean", proPageBean); return "category"; } // 根据csid来分页查询商品 @RequestMapping("/findCategorySecond1") public String findCategorySecond1(@RequestParam int csid, Model model, @RequestParam int page) { PageBean<Product> proPageBean = productService.finbProductByCsid(csid, page); model.addAttribute("pageBean", proPageBean); return "category"; } }
checkImgController
package com.shop.controller; import java.awt.Color; import java.awt.Font; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.image.BufferedImage; import java.io.IOException; import java.util.Random; import javax.imageio.ImageIO; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; @Controller public class checkImgController { @RequestMapping("checkImg") public void checkImg(HttpServletRequest request, HttpServletResponse response) throws IOException { int width = 120; int height = 30; // 步骤一 绘制一张内存中图片 BufferedImage bufferedImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB); // 步骤二 图片绘制背景颜色 ---通过绘图对象 Graphics graphics = bufferedImage.getGraphics();// 得到画图对象 --- 画笔 // 绘制任何图形之前 都必须指定一个颜色 graphics.setColor(getRandColor(200, 250)); graphics.fillRect(0, 0, width, height); // 步骤三 绘制边框 graphics.setColor(Color.WHITE); graphics.drawRect(0, 0, width - 1, height - 1); // 步骤四 四个随机数字 Graphics2D graphics2d = (Graphics2D) graphics; // 设置输出字体 graphics2d.setFont(new Font("宋体", Font.BOLD, 18)); // String words // ="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890"; String words = "\u7684\u4e00\u4e86\u662f\u6211\u4e0d\u5728\u4eba\u4eec\u6709\u6765\u4ed6\u8fd9\u4e0a\u7740\u4e2a\u5730\u5230\u5927\u91cc\u8bf4\u5c31\u53bb\u5b50\u5f97\u4e5f\u548c\u90a3\u8981\u4e0b\u770b\u5929\u65f6\u8fc7\u51fa\u5c0f\u4e48\u8d77\u4f60\u90fd\u628a\u597d\u8fd8"; Random random = new Random();// 生成随机数 // 定义StringBuffer StringBuffer sb = new StringBuffer(); // 定义x坐标 int x = 10; for (int i = 0; i < 4; i++) { // 随机颜色 graphics2d.setColor(new Color(20 + random.nextInt(110), 20 + random .nextInt(110), 20 + random.nextInt(110))); // 旋转 -30 --- 30度 int jiaodu = random.nextInt(60) - 30; // 换算弧度 double theta = jiaodu * Math.PI / 180; // 生成一个随机数字 int index = random.nextInt(words.length()); // 生成随机数 0 到 length - 1 // 获得字母数字 char c = words.charAt(index); sb.append(c); // 将c 输出到图片 graphics2d.rotate(theta, x, 20); graphics2d.drawString(String.valueOf(c), x, 20); graphics2d.rotate(-theta, x, 20); x += 30; } // 将生成的字母存入到session中 request.getSession().setAttribute("checkcode", sb.toString()); System.out.println(sb.toString()); // 步骤五 绘制干扰线 graphics.setColor(getRandColor(160, 200)); int x1; int x2; int y1; int y2; for (int i = 0; i < 30; i++) { x1 = random.nextInt(width); x2 = random.nextInt(12); y1 = random.nextInt(height); y2 = random.nextInt(12); graphics.drawLine(x1, y1, x1 + x2, x2 + y2); } // 将上面图片输出到浏览器 ImageIO graphics.dispose();// 释放资源 ImageIO.write(bufferedImage, "jpg", response.getOutputStream()); } private Color getRandColor(int fc, int bc) { // 取其随机颜色 Random random = new Random(); if (fc > 255) { fc = 255; } if (bc > 255) { bc = 255; } int r = fc + random.nextInt(bc - fc); int g = fc + random.nextInt(bc - fc); int b = fc + random.nextInt(bc - fc); return new Color(r, g, b); } }
indexController
package com.shop.controller; import java.util.ArrayList; import java.util.List; import javax.servlet.http.HttpServletRequest; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestParam; import com.shop.po.Category; import com.shop.po.Product; import com.shop.service.CategoryService; import com.shop.service.ProductService; @Controller public class indexController { @Autowired private CategoryService categoryService; @Autowired private ProductService productService; @RequestMapping("/index") public String index(Model model, HttpServletRequest request) throws Exception { //查询一级分类 List<Category> cList = categoryService.findCategory(); request.getSession().getServletContext().setAttribute("cList", cList); // model.addAttribute("cList", cList); //查询热门商品 List<Product> hList = productService.findHotProduct(); model.addAttribute("hList", hList); //查询最新商品 List<Product> nList = productService.findNewProduct(); model.addAttribute("nList", nList); //滚动图片专用，最多显示3个商品 List<Product> sList; if (hList.size() > 3) { sList = new ArrayList<Product>(); sList.add(hList.get(0)); sList.add(hList.get(1)); sList.add(hList.get(2)); model.addAttribute("sList", sList); } else { model.addAttribute("sList", hList); } return "index"; } @RequestMapping("/about") public String about(Model model, HttpServletRequest request) throws Exception { return "about"; } @RequestMapping("/contact") public String contact(Model model, HttpServletRequest request) throws Exception { return "contact"; } @RequestMapping("/delivery") public String delivery(Model model, HttpServletRequest request) throws Exception { return "delivery"; } // @RequestMapping("/searchProduct") public String searchProduct(@RequestParam String condition, Model model, HttpServletRequest request) throws Exception { //查询一级分类 List<Category> cList = categoryService.findCategory(); request.getSession().getServletContext().setAttribute("cList", cList); //查询商品 List<Product> hList = productService.findHotProduct(); model.addAttribute("hList", hList); //搜索商品 List<Product> srList = productService.searchProduct(condition); model.addAttribute("srList", srList); //滚动图片专用，最多显示3个商品 List<Product> sList; if (hList.size() > 3) { sList = new ArrayList<Product>(); sList.add(hList.get(0)); sList.add(hList.get(1)); sList.add(hList.get(2)); model.addAttribute("sList", sList); } else { model.addAttribute("sList", hList); } return "searchProduct"; } }
四、其他
1.更多系统
1.更多JavaWeb系统请关注专栏。
https://blog.csdn.net/helongqiang/category_10020130.html
https://blog.csdn.net/helongqiang/category_10020130.html
2.更多JavaSwing系统请关注专栏。
https://blog.csdn.net/helongqiang/category_6229101.html
https://blog.csdn.net/helongqiang/category_6229101.html
2.源码下载
Java+SSM+Mysql+Jsp实现宠物商城系统
3.运行项目
请点击以下链接，部署你的项目。
IDEA如何导入JavaWeb项目超详细视频教程
4.备注
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