Java实现茶叶售卖商城系统(java+SSM+JSP+EasyUi+mysql)

前言

这是一个应用ssm框架的项目，前端页面整洁清晰。该系统有两个角色，一个是普通用户，另一个是管理员。

普通用户具有注册、登录、查看商品、添加购物车、添加商品收藏、下订单、商品评价、用户地址管理等等功能。

管理员具有登录、管理用户信息、管理商品信息、管理商品活动信息、管理订单信息、管理用户评论信息的等等功能。

应用技术：jsp + ssm + easyui

运行环境：eclipse/idea + mysql5.7 + tomcat8.5 + jdk1.8

实现效果

 

主要代码

用户管理控制层

@webservlet("/frontstage_userservlet")
public class userservlet extends httpservlet {
	userservice service = new userservice();
 
	@override
	protected void service(httpservletrequest req, httpservletresponse resp) throws servletexception, ioexception {
		string action = req.getparameter("action");
 
		switch (action) {
		case "login":
			login(req, resp);
			break;
		case "checkusernamerepeat":
			checkusernamerepeat(req, resp);
			break;
		case "register":
			register(req, resp);
			break;
		case "logout":
			logout(req, resp);
			break;
		case "checkoldpassword":
			checkoldpassword(req, resp);
			break;
		case "modifypassword":
			modifypassword(req, resp);
			break;
		}
	}
 
	public void login(httpservletrequest req, httpservletresponse resp) throws ioexception {
		//设置请求编码格式:
		req.setcharacterencoding("utf-8");
		//设置响应编码格式			
		resp.setcontenttype("text/html;charset=utf-8");
		string username = req.getparameter("username");
		string password = req.getparameter("password");
		string captcha = req.getparameter("captcha");
		if (captcha != null) {
			captcha = captcha.touppercase();
		}
 
		// 先进行验证码验证
		string checkcode = (string) req.getsession().getattribute("checkcode_session");
 
		try {
			// 将用户输入的验证码和 系统验证对比
			if (checkcode.equals(captcha)) {
				user user = service.getuserbynameandpassword(username, password);
				if (user != null) {
					httpsession session = req.getsession();
					session.setattribute("user", user);
					jsonresult ok = jsonresult.ok();
					resp.getwriter().println(jsonutil.javaobjecttojson(ok));
				} else {
					// 将错误信息封装在结果集中
					jsonresult result = jsonresult.errormsg("用户名或密码错误，请重试");
					// 以json的形式返回给前端
					resp.getwriter().println(jsonutil.javaobjecttojson(result));
				}
			} else {
				// 将错误信息封装在结果集中
				jsonresult result = jsonresult.errormsg("验证码输入错误，请重试");
				// 以json的形式返回给前端
				resp.getwriter().println(jsonutil.javaobjecttojson(result));
			}
		} catch (exception e) {
			e.printstacktrace();
		}
	}
 
	/**
	 * 用户名重名检测
	 * 
	 * @param req
	 * @param resp
	 */
	public void checkusernamerepeat(httpservletrequest req, httpservletresponse resp) {
		string username = req.getparameter("username");
 
		if (username != null) {
			int d = service.checkusernamerepeat(username);
			try {
				if (d > 0) {
					jsonresult error = jsonresult.errormsg("");
					resp.getwriter().println(jsonutil.javaobjecttojson(error));
				} else {
					jsonresult ok = jsonresult.ok();
					resp.getwriter().println(jsonutil.javaobjecttojson(ok));
				}
			} catch (exception e) {
				e.printstacktrace();
			}
		}
	}
 
	/**
	 * 用户注册
	 * 
	 * @param req
	 * @param resp
	 * @throws ioexception 
	 */
	public void register(httpservletrequest req, httpservletresponse resp) throws ioexception {
		//设置请求编码格式:
		req.setcharacterencoding("utf-8");
		//设置响应编码格式			
		resp.setcontenttype("text/html;charset=utf-8");
		user user = new user();
		user.setusername(req.getparameter("username"));
		user.setpassword(req.getparameter("password"));
		user.setemail(req.getparameter("email"));
		user.setphone(req.getparameter("phonenum"));
		user.setrole("ordinaryuser");
		int d = service.adduser(user);
		try {
			if (d > 0) {
				jsonresult ok = jsonresult.ok();
				resp.getwriter().println(jsonutil.javaobjecttojson(ok));
			} else {
				jsonresult error = jsonresult.errormsg("注册失败");
				resp.getwriter().println(jsonutil.javaobjecttojson(error));
			}
		} catch (exception e) {
			e.printstacktrace();
		}
	}
 
	/**
	 * 退出登录
	 */
	public void logout(httpservletrequest req, httpservletresponse resp) {
		req.getsession().removeattribute("user");
		try {
			resp.sendredirect("index.jsp");
		} catch (ioexception e) {
			e.printstacktrace();
		}
	}
 
	/**
	 * 检查旧密码是否正确 ，在修改密码操作时使用
	 * @throws ioexception 
	 */
	public void checkoldpassword(httpservletrequest req, httpservletresponse resp) throws ioexception {
		//设置请求编码格式:
		req.setcharacterencoding("utf-8");
		//设置响应编码格式			
		resp.setcontenttype("text/html;charset=utf-8");
		user user = (user) req.getsession().getattribute("user");		
		string oldpassword = service.getpasswordbyid(user.getid());
		system.out.println("旧密码："+oldpassword);
		string password = req.getparameter("password");
		system.out.println("旧密码验证："+password);
		try {
			if (!oldpassword.equals(password)) {
				jsonresult errormsg = jsonresult.errormsg("原始密码错误，请重新输入");
				resp.getwriter().println(jsonutil.javaobjecttojson(errormsg));
			} else {
				jsonresult ok = jsonresult.ok();
				resp.getwriter().println(jsonutil.javaobjecttojson(ok));
			}
		} catch (ioexception e) {
			e.printstacktrace();
		}
 
	}
 
	/**
	 * 修改密码
	 * @throws ioexception 
	 */
	public void modifypassword(httpservletrequest req, httpservletresponse resp) throws ioexception {
		//设置请求编码格式:
		req.setcharacterencoding("utf-8");
		//设置响应编码格式			
		resp.setcontenttype("text/html;charset=utf-8");
 
		string password = req.getparameter("newpassword");
		system.out.println("新密码："+password);
		user user = (user) req.getsession().getattribute("user");
		int id = user.getid();
		system.out.println("旧密码id"+id);
		int d = service.updatepasswordbyid(id, password);
		try {
			if (d > 0) {
				jsonresult ok = jsonresult.ok();
				resp.getwriter().println(jsonutil.javaobjecttojson(ok));
			} else {
			  jsonresult errormsg = jsonresult.errormsg("修改失败，请重试");
			  resp.getwriter().println(jsonutil.javaobjecttojson(errormsg));
			}
 
		} catch (exception e) {
			e.printstacktrace();
		}
	}
 
}

商品管理服务类

@webservlet("/frontstage_goodsservlet")
public class goodsservlet extends httpservlet{
	goodsservice service = new goodsservice();
	
	
	@override
	protected void service(httpservletrequest req, httpservletresponse resp) throws servletexception, ioexception {
		string action = req.getparameter("action");
		switch(action) {
			case "findallgoods":findallgoods(req,resp);break;
			case "findgoodsbyid":findgoodsbyid(req,resp);break;
			case "findgoodsbytype":findgoodsbytype(req,resp);break;
		}
	}
	
	
	/**
	 * 获取所有商品列表
	 * @param req
	 * @param resp
	 */
	public void findallgoods(httpservletrequest req, httpservletresponse resp) {
		map<string, list<goods>> allgoods = service.getallgoods();
		
		try {
			req.setattribute("allgoods", allgoods);
			req.getrequestdispatcher("/main.jsp").forward(req, resp);
			return;
		} catch (servletexception e) {
			e.printstacktrace();
		} catch (ioexception e) {
			e.printstacktrace();
		}
	}
	
	/**
	 *根据类型获得商品列表 
	 * @param req
	 * @param resp
	 */
	public void findgoodsbytype(httpservletrequest req, httpservletresponse resp) {
		string type = req.getparameter("type");
		string currentpage = req.getparameter("currentpage");
		
		pagebean pagebean = null;
		
		// 如果当前第几页currentpage 值为null，说明第一次跳转到此页面或者是要跳转到首页，则设定该值currentpage默认为1
		if(currentpage == null) {
			pagebean = service.getgoodsbytype(type, 4, 1);
		}else {
			
			pagebean = service.getgoodsbytype(type, 4, integer.parseint(currentpage));
		}
		
		try {
			req.setattribute("pagebean", pagebean);
			req.setattribute("type", type);
			
			req.getrequestdispatcher("/product.jsp").forward(req, resp);
 
		} catch (exception e) {
			e.printstacktrace();
		}
	}
	
	
	/**
	 * 获取商品的详细信息
	 * @param req
	 * @param resp
	 */
	public void findgoodsbyid(httpservletrequest req, httpservletresponse resp) {
		int id =integer.parseint(req.getparameter("id"));
		
		goods goodsinfo = service.getgoodsinfobyid(id);
		
		try {
			req.setattribute("pro", goodsinfo);
			req.getrequestdispatcher("/productinfo_user.jsp").forward(req, resp);
 
		} catch (exception e) {
			e.printstacktrace();
		}
	}
}

订单控制层

@webservlet("/backstage_ordersservlet")
public class ordersservlet extends httpservlet{
	
	ordersservice service = new ordersservice();
	
	@override
	protected void service(httpservletrequest req, httpservletresponse resp) throws servletexception, ioexception {
		string action = req.getparameter("action");
		system.out.println(action);
		switch(action) {
			case "getorderslist":getorderslist(req,resp);break;
			case "getorderslistbyname":getorderslistbyname(req,resp);break;
			case "deleteorders":deleteorders(req,resp);break;
			case "deleteallorders":deleteallorders(req,resp);break;
			case "toordersupdatepage":toordersupdatepage(req,resp);break;
			case "updateorders":updateorders(req,resp);break;
			case "fastbuy":sendorder(req,resp);break;
		}
	}
 
	/* 
	 * 删除全部订单 
	 */
	private void deleteallorders(httpservletrequest req, httpservletresponse resp) throws ioexception {
		//设置请求编码格式:
				req.setcharacterencoding("utf-8");
				//设置响应编码格式			
				resp.setcontenttype("text/html;charset=utf-8");
		// todo 自动生成的方法存根
		int d = service.deleteallorders();
		try {
			if(d>0) {
				jsonresult ok = jsonresult.ok();
				resp.getwriter().println(jsonutil.javaobjecttojson(ok));
			}else {
				jsonresult errormsg = jsonresult.errormsg("删除失败，请重试");
				resp.getwriter().println(jsonutil.javaobjecttojson(errormsg));
			}			
			
		} catch (exception e) {
			e.printstacktrace();
		}
	}
 
	/**
	 * 提交订单
	 * @throws ioexception 
	 */
	public void sendorder(httpservletrequest req, httpservletresponse resp) throws ioexception {
		//设置请求编码格式:
				req.setcharacterencoding("utf-8");
				//设置响应编码格式			
				resp.setcontenttype("text/html;charset=utf-8");
			simpledateformat df = new simpledateformat("yyyy-mm-dd hh:mm:ss");//设置日期格式
			user user =(user) req.getsession().getattribute("user");
			orders order = new orders();
			order.setnumber(order.getrandomstring(10));
			order.settime(df.format(new date()));
			order.setname(req.getparameter("recipients"));
			order.setaddress(req.getparameter("address"));
			order.setphone(req.getparameter("phone"));
			order.setaddress_label(req.getparameter("addresslabel"));
			order.setsex(req.getparameter("sex"));
			order.setuser(user.getusername());
			order.setgoods_id(integer.parseint(req.getparameter("id")));
			order.setgoods_num(integer.parseint(req.getparameter("num")));
			order.setgoods_status(1);
			int d = service.addorder(order);
				try {
					if(d>0) {
						jsonresult ok = jsonresult.ok();
						resp.getwriter().println(jsonutil.javaobjecttojson(ok));
					}else {
						jsonresult error = jsonresult.errormsg("订单提交失败!");
						resp.getwriter().println(jsonutil.javaobjecttojson(error));
					}
				} catch (exception e) {
					e.printstacktrace();
				}	
		
	}
 
	
	/**
	 * 向前端页面返回订单数据列表
	 */
	public void getorderslist(httpservletrequest req,httpservletresponse resp) {
		list<orders> allorders = service.getallorders();
		req.setattribute("orderslist",allorders);
		try {
			req.getrequestdispatcher("/backstage/tgls/ordersmanage/orders_list.jsp").forward(req, resp);
		} catch (servletexception e) {
			e.printstacktrace();
		} catch (ioexception e) {
			e.printstacktrace();
		}	
	}
	
	
	/**
	 * 根据订单名查询商品(注意！类别没改)
	 * @param req
	 * @param resp
	 * @throws ioexception 
	 */
	public void getorderslistbyname(httpservletrequest req,httpservletresponse resp) throws ioexception {
		//设置请求编码格式:
				req.setcharacterencoding("utf-8");
				//设置响应编码格式			
				resp.setcontenttype("text/html;charset=utf-8");
		string name = req.getparameter("ordersuser");
		//string type = req.getparameter("type");
		
		map<string,string> parmas = new hashmap<>();
		parmas.put("name", name);
		//parmas.put("type", type);
		
		list<orders> list = service.getordersbyname(parmas);
	
		try {
			if(list != null) {
				jsonresult ok = jsonresult.ok(list);
				resp.getwriter().println(jsonutil.javaobjecttojson(ok));
			}else {
				jsonresult errormsg = jsonresult.errormsg("未获取到任何数据，请重试");
				resp.getwriter().println(jsonutil.javaobjecttojson(errormsg));
			}			
			
		} catch (exception e) {
			e.printstacktrace();
		}
	}
	
	
	/**
	 * 修改订单时，获取此订单的全部数据，并返回至修改页面
	 */
	public void toordersupdatepage(httpservletrequest req,httpservletresponse resp) {
		int id = integer.parseint(req.getparameter("id"));
		orders orders = service.getordersinfobyid(id);
		req.setattribute("orders", orders);
		try {
			req.getrequestdispatcher("/backstage/tgls/ordersmanage/orders_update.jsp").forward(req, resp);
		} catch (servletexception e) {
			e.printstacktrace();
		} catch (ioexception e) {
			e.printstacktrace();
		}	
		
	}
	
	/**
	 *  修改订单
	 * @throws ioexception 
	 */
	
	public void updateorders(httpservletrequest req,httpservletresponse resp) throws ioexception {
		//设置请求编码格式:
		req.setcharacterencoding("utf-8");
		//设置响应编码格式			
		resp.setcontenttype("text/html;charset=utf-8");
		orders orders = new orders();
		orders.setid(integer.parseint(req.getparameter("id")));
		orders.setnumber(req.getparameter("number"));
		orders.setuser(req.getparameter("user"));
		orders.settime(req.getparameter("time"));
		orders.setname(req.getparameter("name"));
		orders.setsex(req.getparameter("sex"));
		orders.setaddress(req.getparameter("address"));
		orders.setphone(req.getparameter("phone"));
		orders.setaddress_label(req.getparameter("address_label"));
		orders.setgoods_id(integer.parseint(req.getparameter("goods_id")));
		orders.setgoods_num(integer.parseint(req.getparameter("goods_num")));
		orders.setgoods_status(integer.parseint(req.getparameter("goods_status")));
		
		system.out.println(orders);
		int d = service.updateordersbyid(orders);
		system.out.println(d);
		try {
			if(d>0) {
				
				jsonresult ok = jsonresult.ok();
				resp.getwriter().println(jsonutil.javaobjecttojson(ok));
			}else {
				jsonresult errormsg = jsonresult.errormsg("修改失败，请重试");
				resp.getwriter().println(jsonutil.javaobjecttojson(errormsg));
			}		
		} catch (exception e) {
			e.printstacktrace();
		}
	}
	
	
 
	/**
	 * 删除订单
	 * @throws unsupportedencodingexception 
	 */
	public void deleteorders(httpservletrequest req,httpservletresponse resp) throws unsupportedencodingexception {
		//设置请求编码格式:
		req.setcharacterencoding("utf-8");
		//设置响应编码格式			
		resp.setcontenttype("text/html;charset=utf-8");
		int id = integer.parseint(req.getparameter("id"));
		
		int d = service.deleteordersbyid(id);
		try {
			if(d>0) {
				jsonresult ok = jsonresult.ok();
				resp.getwriter().println(jsonutil.javaobjecttojson(ok));
			}else {
				jsonresult errormsg = jsonresult.errormsg("删除失败，请重试");
				resp.getwriter().println(jsonutil.javaobjecttojson(errormsg));
			}			
			
		} catch (exception e) {
			e.printstacktrace();
		}
	}
}

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