Java实战之小蜜蜂扩音器网上商城系统的实现

Java实战之小蜜蜂扩音器网上商城系统的实现

目录一、项目简述二、项目运行三、效果图四、核心代码用户管理控制层订单管理控制层品类控制层产品控制层

一、项目简述

用户功能模块： 用户注册： 用户登录：商品模块：订单模块；后台管理系统功能：管理员模块： 商品模块：订单管理模块 ；

二、项目运行

1.运行环境

JDK1.8+Tomcat8.5+mysql+Eclispe（Eclispe,MyEclispe,Sts，IntelliJ IDEA都支持,小伙伴自行配置即可）

2.技术栈

jsP + Servlet + JDBC + Ajax + javascript + css + +DBUtil 等等

三、效果图

四、核心代码

用户管理控制层

public class UserServlet extends BaseBackServlet {

@Override

public String add(HttpServletRequest request, HttpServletResponse response, Page page) {

System.out.println("调用了 UserServlet add方法");

return null;

}

@Override

public String delete(HttpServletRequest request, HttpServletResponse response, Page page) {

System.out.println("调用了 UserServlet delete方法");

int id = Integer.parseInt(request.getParameter("id"));

userDAO.delete(id);

return "@admin_user_list";

}

@Override

public String update(HttpServletRequest request, HttpServletResponse response, Page page) {

System.out.println("调用了 UserServlet update方法");

Map params = new HashMap<>();

InputStream is = super.parseUpload(request, params);

System.out.println(params);

int id = Integer.parseInt(params.get("id"));

String password = params.get("password");

User user = userDAO.get(id);

user.setPassword(password);

userDAO.update(user);

return "@admin_user_list";

}

@Override

public String edit(HttpServletRequest request, HttpServletResponse response, Page page) {

System.out.println("调用了 UserServlet edit方法");

int id = Integer.parseInt(request.getParameter("id"));

User u = userDAO.get(id);

request.setAttribute("u", u);

return "admin/editUser.jsp";

}

@Override

public String list(HttpServletRequest request, HttpServletResponse response, Page page) {

System.out.println("调用了 UserServlet list方法");

List us = userDAO.list(page.getStart(), page.getCount());

int total = userDAO.getTotal();

page.setTotal(total);

request.setAttribute("us", us);

request.setAttribute("page", page);

return "admin/listUser.jsp";

}

}

订单管理控制层

public class OrderServlet extends BaseBackServlet {

@Override

public String add(HttpServletRequest request, HttpServletResponse response, Page page) {

return null;

}

@Override

public String delete(HttpServletRequest request, HttpServletResponse response, Page page) {

return null;

}

@Override

public String update(HttpServletRequest request, HttpServletResponse response, Page page) {

return null;

}

@Override

public String edit(HttpServletRequest request, HttpServletResponse response, Page page) {

return null;

}

public String delivery(HttpServletRequest request, HttpServletResponse response, Page page) {

System.out.println("调用了 OrderServlet delivery方法");

int id = Integer.parseInt(request.getParameter("id"));

Order o = orderDAO.get(id);

o.setDeliveryDate(new Date());

o.setStatus(OrderDAO.waitConfirm);

orderDAO.update(o);

return "@admin_order_list";

}

@Override

public String list(HttpServletRequest request, HttpServletResponse response, Page page) {

System.out.println("调用了 OrderServlet list方法");

// 对订单对应的订单项进行初始化

List os = orderDAO.list(page.getStart(), page.getCount());

orderItemDAO.fill(os);

int total = orderDAO.getTotal();

page.setTotal(total);

request.setAttribute("os", os);

request.setAttribute("page", page);

return "admin/listOrder.jsp";

}

}

品类控制层

public class CategoryServlet extends BaseBackServlet {

@Override

public String add(HttpServletRequest request, HttpServletResponse response, Page page) {

System.out.println("调用了category add方法");

Map params = new HashMap<>();

InputStream is = super.parseUpload(request, params);

System.out.println(params);

String name = params.get("name");

Category c = new Category();

c.setName(name);

categoryDAO.add(c);

File imageFolder = new File(request.getSession().getServletContext().getRealPath("img/category"));

File file = new File(imageFolder, c.getId() + ".jpg");

try{

if(null != is && 0 != is.available()){

try(

FileOutputStream fos = new FileOutputStream(file);

){

byte[] b = new byte[1024 * 1024];

int length = 0;

while(-1 != (length = is.read(b))){

fos.write(b, 0, length);

}

fos.flush();

http:// //通过以下代码，将文件保存为jsp格式

BufferedImage img = ImageUtil.change2jpg(file);

ImageIO.write(img, "jpg", file);

}

}

} catch (IOException e) {

e.printStackTrace();

}

return "@admin_category_list";

}

@Override

public String delete(HttpServletRequest request, HttpServletResponse response, Page page) {

System.out.println("调用了category delete方法");

int id = Integer.parseInt(request.getParameter("id"));

categoryDAO.delete(id);

return "@admin_category_list";

}

@Override

public String update(HttpServletRequest request, HttpServletResponse response, Page page) {

System.out.println("调用了category update方法");

Map params = new HashMap<>();

InputStream is = super.parseUpload(request, params);

System.out.println(params);

String name = params.get("name");

int id = Integer.parseInt(params.get("id"));

Category c = new Category();

c.setName(name);

c.setId(id);

categoryDAO.update(c);

File imageFolder = new File(request.getSession().getServletContext().getRealPath("img/category"));

File file = new File(imageFolder, c.getId() + ".jpg");

try{

if(null != is && 0 != is.available()){

try(

FileOutputStream fos = new FileOutputStream(file);

){

byte[] b = new byte[1024 * 1024];

int length = 0;

while(-1 != (length = is.read(b))){

fos.write(b, 0, length);

}

fos.flush();

//通过以下代码，将文件保存为jsp格式

BufferedImage img = ImageUtil.change2jpg(file);

ImageIO.write(img, "jpg", file);

}

}

} catch (IOException e) {

e.printStackTrace();

}

return "@admin_category_list";

}

@Override

public String edit(HttpServletRequest request, HttpServletResponse response, Page page) {

System.out.println("调用了category edit方法");

int id = Integer.parseInt(request.getParameter("id"));

Category category = categoryDAO.get(id);

request.setAttribute("c", category);

return "admin/editCategory.jsp";

}

@Override

public String list(HttpServletRequest request, HttpServletResponse response, Page page) {

List cs = categoryDAO.list(page.getStart(), page.getCount());

int total = categoryDAO.getTotal();

page.setTotal(total);

request.setAttribute("thecs", cs);

request.setAttribute("page", page);

return "admin/listCategory.jsp";

}

}

产品控制层

public class ProductServlet extends BaseBackServlet {

@Override

public String add(HttpServletRequest request, HttpServletResponse response, Page page) {

System.out.println("调用了Product add方法");

Map params = new HashMap<>();

InputStream inputStream = super.parseUpload(request, params);

System.out.println(params);

int cid = Integer.parseInt(params.get("cid"));

Category c = categoryDAO.get(cid);

String name = params.get("name");

String subTitle = params.get("subTitle");

float originalPrice = Float.parseFloat(params.get("originalPrice"));

float promotePrice = Float.parseFloat(params.get("promotePrice"));

int stock = Integer.parseInt(params.get("stock"));

Product p = new Product();

p.setCategory(c);

p.setName(name);

p.setSubTitle(subTitle);

p.setOriginalPrice(originalPrice);

p.setPromotePrice(promotePrice);

p.setStock(stock);

p.setCreateDate(new Date());

productDAO.add(p);

return "@admin_product_list?cid=" + cid;

}

@Override

public String delete(HttpServletRequest request, HttpServletResponse response, Page page) {

System.out.println("调用了Product delete方法");

int id = Integer.parseInt(request.getParameter("id"));

Product p = productDAO.get(id);

productDAO.delete(id);

return "@admin_product_list?cid=" + p.getCategory().getId();

}

@Override

public String update(HttpServletRequest request, HttpServletResponse response, Page page) {

System.out.println("调用了Product update方法");

Map params = new HashMap<>();

InputStream inputStream = super.parseUpload(request, params);

int cid = Integer.parseInt(params.get("cid"));

Category c = categoryDAO.get(cid);

int id = Integer.parseInt(params.get("id"));

String name = params.get("name");

String subTitle = params.get("subTitle");

float originalPrice = Float.parseFloat(params.get("originalPrice"));

float promotePrice = Float.parseFloat(params.get("promotePrice"));

int stock = Integer.parseInt(params.get("stock"));

Product p = new Product();

p.setId(id);

p.setName(name);

p.setSubTitle(subTitle);

p.setOriginalPrice(originalPrice);

p.setPromotePrice(promotePrice);

p.setStock(stock);

p.setCategory(c);

p.setCreateDate(new Date());

productDAO.update(p);

return "@admin_product_list?cid=" + http://p.getCategory().getId();

}

@Override

public String edit(HttpServletRequest request, HttpServletResponse response, Page page) {

System.out.println("调用了Product edit方法");

int id =Integer.parseInt(request.getParameter("id"));

Product p = productDAO.get(id);

request.setAttribute("p",p);

return "admin/editProduct.jsp";

}

public String updatePropertyValue(HttpServletRequest request, HttpServletResponse response, Page page){

System.out.println("调用了Product updatePropertyValue方法");

int pvid = Integer.parseInt(request.getParameter("pvid"));

String value = request.getParameter("value");

PropertyValue pv = propertyValueDAO.get(pvid);

pv.setValue(value);

propertyValueDAO.update(pv);

return "%success";

}

public String editPropertyValue(HttpServletRequest request, HttpServletResponse response, Page page){

System.out.println("调用了Product editPropertyValue方法");

int id = Integer.parseInt(request.getParameter("id"));

Product p = productDAO.get(id);

request.setAttribute("p", p);

// 初始化属性，将产品对应的属性全部

propertyValueDAO.init(p);

List pvs = propertyValueDAO.list(p.getId());

request.setAttribute("pvs", pvs);

return "admin/editPropertyValue.jsp";

}

@Override

public String list(HttpServletRequest request, HttpServletResponse response, Page page) {

System.out.println("调用了Product list方法");

int cid = Integer.parseInt(request.getParameter("cid"));

Category c = categoryDAO.get(cid);

List ps = productDAO.list(cid, page.getStart(), page.getCount());

int total = productDAO.getTotal(cid);

page.setTotal(total);

page.setParam("&cid=" + c.getId());

request.setAttribute("ps", ps);

request.setAttribute("c", c);

request.setAttribute("page", page);

return "admin/listProduct.jsp";

}

}

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