The project was made in 2020-05-05~2020-05-10html
謹以此片博文記錄下個人第一個Java小Demo
代碼請見GitHub前端
用戶登陸頁java
用戶註冊頁mysql
用戶主頁git
用戶購買健身卡(商城)頁github
管理員登陸頁web
管理員主頁spring
管理員添加用戶頁sql
管理員編輯用戶頁數據庫
細節1:常駐工具欄(內含搜索欄)
細節2:登陸帳號密碼實時反饋(AJAX)
**細節3:翻頁功能&可選每頁顯示條數 **
細節4:人性化的交互設計
JDK: 1.8
IDE: IDEA 201903
DataBase: MySQL 8.0
Mybatis: 3.5.2
POM: Maven
Tomcat 9
Bootstrap 3
JQuery 2
lombok 插件
分頁插件: PageHelper 5.1.11
涉及技術 MySQL數據庫,Spring,JavaWeb及MyBatis,簡單的前端知識
大二沒有好好學系統設計與分析,畫的圖一塌糊塗。
包含兩個實體類,用戶&管理員
生成該數據庫的sql文件 在該GitHub跳轉GitHub /sql 目錄下
生成表如圖示
應該叫作用例圖吧,但個人好多符號都是錯的,再次後悔沒有好好學習!
設計該圖的網址
其實這一步放在後面也合適,我爲了讓本身吃大餅,就先設計了一下。
項目文件結構如圖所示
新建Maven項目,添加web支持
導入pom依賴
<dependencies> <!--Junit--> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.12</version> </dependency> <!--數據庫驅動--> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.47</version> </dependency> <!-- 數據庫鏈接池 --> <dependency> <groupId>com.mchange</groupId> <artifactId>c3p0</artifactId> <version>0.9.5.2</version> </dependency> <!--Servlet - JSP --> <dependency> <groupId>javax.servlet</groupId> <artifactId>servlet-api</artifactId> <version>2.5</version> </dependency> <dependency> <groupId>javax.servlet.jsp</groupId> <artifactId>jsp-api</artifactId> <version>2.2</version> </dependency> <dependency> <groupId>javax.servlet</groupId> <artifactId>jstl</artifactId> <version>1.2</version> </dependency> <!--Mybatis--> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> <version>3.5.2</version> </dependency> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis-spring</artifactId> <version>2.0.2</version> </dependency> <!--Spring--> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>5.1.9.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-jdbc</artifactId> <version>5.1.9.RELEASE</version> </dependency> </dependencies>
Maven資源過濾
<build> <resources> <resource> <directory>src/main/java</directory> <includes> <include>**/*.properties</include> <include>**/*.xml</include> </includes> <filtering>false</filtering> </resource> <resource> <directory>src/main/resources</directory> <includes> <include>**/*.properties</include> <include>**/*.xml</include> </includes> <filtering>false</filtering> </resource> </resources> </build>
創建基本結構框架 (如上所示[點此跳轉](# 環境配置)
創建基本配置
mybatis-config.xml
<?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE configuration PUBLIC "-//mybatis.org//DTD Config 3.0//EN" "http://mybatis.org/dtd/mybatis-3-config.dtd"> <configuration> </configuration>
applicationContext.xml
<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd"> </beans>
Mybatis層編寫
數據庫配置文件 database.properties
jdbc.driver=com.mysql.jdbc.Driver jdbc.url=jdbc:mysql://localhost:3306/ssmbuild?useSSL=true&useUnicode=true&characterEncoding=utf8 jdbc.username=root jdbc.password=123456IDEA關聯數據庫
IDEA關聯數據庫
編寫MyBatis的核心配置文件
<?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE configuration PUBLIC "-//mybatis.org//DTD Config 3.0//EN" "http://mybatis.org/dtd/mybatis-3-config.dtd"> <configuration> <typeAliases> <package name="com.kuang.pojo"/> </typeAliases> <mappers> <mapper resource="com/kuang/dao/BookMapper.xml"/> </mappers> </configuration>
User
@Data //使用lombok插件便可省寫get set @AllArgsConstructor @NoArgsConstructor public class User { private int id; private String username; private String password; private String name; private String sex; private String telephone; private int age; private String begintime; private String endtime; private int remainday; private int addday; public static void main(String[] args) { User u = new User(); u.getTelephone(); } }
Admin
@Data @NoArgsConstructor @AllArgsConstructor public class Admin { private int id; private String username; private String password; private String name; private String telephone; }
編寫DAO層的Mapper接口
public interface UserMapper { //經過id查詢 User queryUserById(int id); // 查詢到期時間 Date queryDateById(int id); //修改帳號密碼 int updateNP(User user); //login User userLogin(User user); //會員註冊 int userRegister(User user); }
2 adminMapper
@Mapper @Component public interface AdminMapper{ //查詢會員 List<User> queryUser(); //新增會員 int addUser(User user); //刪除會員 int deleteUserById(int id); //更新會員 int updateUser(User user); //根據id查詢一個會員 User queryUserById(int id); //根據姓名查詢一個會員 User queryUserByName(String name); //login Admin adminLogin(Admin admin); //查詢用戶總數 int selectTotal(); // 分頁 @Select("select * from gymms.user") @Results({ // 用戶信息,只要指定id列與屬性的映射關係,其餘列會自動封裝(屬性與列一致) @Result(property = "id", column = "id"), // 信息 @Result(property = "id", column = "id"), @Result(property = "username", column = "username"), @Result(property = "password", column = "password"), @Result(property = "name", column = "name"), @Result(property = "sex", column = "sex"), @Result(property = "telephone", column = "telephone"), @Result(property = "age", column = "age"), @Result(property = "begintime", column = "begintime"), @Result(property = "endtime", column = "endtime"), @Result(property = "remainday", column = "remainday") }) List<User> findAll(); }
編寫接口對應的 Mapper.xml 文件
<?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd"> <mapper namespace="com.cc.dao.UserMapper"> <select id="queryDate" resultType="User"> select remainday from gymms.user where id = #{id} </select> <!-- 查詢用戶--> <select id="queryUserById" resultType="User"> select * from gymms.user where id = #{id} </select> <!--更新User--> <update id="updateUser" parameterType="User"> update gymms.user set username = #{username},password = #{password} where id = #{id} </update> <!--根據帳號密碼查詢,返回一個User--> <select id="userLogin" resultType="User"> select * from gymms.user where username = #{username} and password = #{password} </select> <!-- 會員註冊--> <!--增長一個會員--> <insert id="userRegister" parameterType="User"> insert into gymms.user(username,password,name,sex,telephone,age,begintime,endtime,remainday) values (#{username},#{password},#{name},#{sex},#{telephone},#{age},#{begintime},#{endtime},#{remainday}) </insert> </mapper>
<?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd"> <mapper namespace="com.cc.dao.AdminMapper"> <!--增長一個會員--> <insert id="addUser" parameterType="User"> insert into gymms.user(username,password,name,sex,telephone,age,begintime,endtime,remainday) values (#{username},#{password},#{name},#{sex},#{telephone},#{age},#{begintime},#{endtime},#{remainday}) </insert> <!--根據id刪除一個User--> <delete id="deleteUserById" parameterType="int"> delete from gymms.user where id=#{id} </delete> <!--更新User--> <update id="updateUser" parameterType="User"> update gymms.user set username = #{username},password = #{password},name = #{name},sex = #{sex},telephone = #{telephone}, age = #{age},endtime = #{endtime},remainday = #{remainday} where id = #{id} </update> <!--根據id查詢,返回一個User--> <select id="queryUserById" resultType="User"> select * from gymms.user where id = #{id} </select> <!--根據姓名查詢,返回一個User--> <select id="queryUserByName" resultType="User"> select * from gymms.user where name = #{name} </select> <!--查詢所有Book--> <select id="queryUser" resultType="User"> SELECT * from gymms.user </select> <!--根據帳號密碼查詢,返回一個Admin--> <select id="adminLogin" resultType="Admin"> select * from gymms.admin where username = #{username} and password = #{password} </select> <select id="selectTotal" resultType="int"> select count(*) from gymms.user </select> </mapper>
編寫Service層的接口和實現類
public interface UserService { // 查詢到期時間 Date queryDateById(int id); //修改帳號密碼 int updateNP(User user); //login User userLogin(User user); //經過id查詢 User queryUserById(int id); //會員註冊 int userRegister(User user); }
public interface AdminService { //查詢會員 List<User> queryUser(); //新增會員 int addUser(User user); //刪除會員 int deleteUserById(int id); //更新會員 int updateUser(User user); //根據id查詢一個會員 User queryUserById(int id); //根據姓名查詢一個會員 User queryUserByName(String name); //login Admin adminLogin(Admin admin); //查詢用戶總數 int selectTotal(); // 分頁 List<User> findAll(); /** * 分頁查詢 * @param pageNum 固然頁 * @param pageSize 頁大小 * @return 返回PageHelper提供的封裝分頁參數的PageInfo對象 */ PageInfo<User> findByPage(int pageNum, int pageSize); }
public class UserServiceImpl implements UserService { private UserMapper userMapper; public void setUserMapper(UserMapper userMapper) { this.userMapper = userMapper; } public Date queryDateById(int id) { return userMapper.queryDateById(id); } public int updateNP(User user) { return userMapper.updateNP(user); } public User userLogin(User user) { return userMapper.userLogin(user); } public User queryUserById(int id) { return userMapper.queryUserById(id); } public int userRegister(User user) { return userMapper.userRegister(user); } }
public class AdminServiceImpl implements AdminService { private AdminMapper adminMapper; public void setAdminMapper(AdminMapper adminMapper) { this.adminMapper = adminMapper; } public List<User> queryUser() { return adminMapper.queryUser(); } public int addUser(User user) { return adminMapper.addUser(user); } public int deleteUserById(int id) { return adminMapper.deleteUserById(id); } public int updateUser(User user) { return adminMapper.updateUser(user); } public User queryUserById(int id) { return adminMapper.queryUserById(id); } public User queryUserByName(String name) { return adminMapper.queryUserByName(name); } public Admin adminLogin(Admin admin) { return adminMapper.adminLogin(admin); } public int selectTotal() { return adminMapper.selectTotal(); } public List<User> findAll() { return adminMapper.findAll(); } public PageInfo<User> findByPage(int pageNum, int pageSize) { PageHelper.startPage(pageNum, pageSize); List<User> list = adminMapper.findAll(); PageInfo<User> pageInfo = new PageInfo<>(list); return pageInfo; } }
配置Spring整合MyBatis,咱們這裏數據源使用c3p0鏈接池;
編寫Spring整合Mybatis的相關的配置文件;
spring-dao.xml
<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context https://www.springframework.org/schema/context/spring-context.xsd"> <!-- 配置整合mybatis --> <!-- 1.關聯數據庫文件 --> <context:property-placeholder location="classpath:database.properties"/> <!-- 2.數據庫鏈接池 --> <!--數據庫鏈接池 dbcp 半自動化操做 不能自動鏈接 c3p0 自動化操做(自動的加載配置文件 而且設置到對象裏面) --> <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"> <!-- 配置鏈接池屬性 --> <property name="driverClass" value="${jdbc.driver}"/> <property name="jdbcUrl" value="${jdbc.url}"/> <property name="user" value="${jdbc.username}"/> <property name="password" value="${jdbc.password}"/> <!-- c3p0鏈接池的私有屬性 --> <property name="maxPoolSize" value="30"/> <property name="minPoolSize" value="10"/> <!-- 關閉鏈接後不自動commit --> <property name="autoCommitOnClose" value="false"/> <!-- 獲取鏈接超時時間 --> <property name="checkoutTimeout" value="10000"/> <!-- 當獲取鏈接失敗重試次數 --> <property name="acquireRetryAttempts" value="2"/> </bean> <!-- 3.配置SqlSessionFactory對象 --> <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"> <!-- 注入數據庫鏈接池 --> <property name="dataSource" ref="dataSource"/> <!-- 配置MyBaties全局配置文件:mybatis-config.xml --> <property name="configLocation" value="classpath:mybatis-config.xml"/> </bean> <!-- 4.配置掃描Dao接口包,動態實現Dao接口注入到spring容器中 --> <!--解釋 :https://www.cnblogs.com/jpfss/p/7799806.html--> <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"> <!-- 注入sqlSessionFactory --> <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/> <!-- 給出須要掃描Dao接口包 --> <property name="basePackage" value="com.cc.dao"/> </bean> </beans>
<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd"> <!-- 掃描service相關的bean --> <context:component-scan base-package="com.cc.service" /> <!--AdminServiceImpl注入到IOC容器中--> <bean id="AdminServiceImpl" class="com.cc.service.AdminServiceImpl"> <property name="adminMapper" ref="adminMapper"/> </bean> <!--UserServiceImpl注入到IOC容器中--> <bean id="UserServiceImpl" class="com.cc.service.UserServiceImpl"> <property name="userMapper" ref="userMapper"/> </bean> <!-- 配置事務管理器 --> <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <!-- 注入數據庫鏈接池 --> <property name="dataSource" ref="dataSource" /> </bean> </beans>
<?xml version="1.0" encoding="UTF-8"?> <web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd" version="4.0"> <!--DispatcherServlet--> <servlet> <servlet-name>DispatcherServlet</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <init-param> <param-name>contextConfigLocation</param-name> <!--必定要注意:咱們這裏加載的是總的配置文件,以前被這裏坑了!--> <param-value>classpath:applicationContext.xml</param-value> </init-param> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>DispatcherServlet</servlet-name> <url-pattern>/</url-pattern> </servlet-mapping> <!--encodingFilter--> <filter> <filter-name>encodingFilter</filter-name> <filter-class> org.springframework.web.filter.CharacterEncodingFilter </filter-class> <init-param> <param-name>encoding</param-name> <param-value>utf-8</param-value> </init-param> </filter> <filter-mapping> <filter-name>encodingFilter</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <!--Session過時時間--> <session-config> <session-timeout>15</session-timeout> </session-config> </web-app>
<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context" xmlns:mvc="http://www.springframework.org/schema/mvc" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/mvc https://www.springframework.org/schema/mvc/spring-mvc.xsd"> <!-- 配置SpringMVC --> <!-- 1.開啓SpringMVC註解驅動 --> <mvc:annotation-driven> </mvc:annotation-driven> <!-- 2.靜態資源默認servlet配置--> <mvc:default-servlet-handler/> <!-- 3.配置jsp 顯示ViewResolver視圖解析器 --> <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"> <property name="viewClass" value="org.springframework.web.servlet.view.JstlView" /> <property name="prefix" value="/WEB-INF/jsp/" /> <property name="suffix" value=".jsp" /> </bean> <!-- 日期轉換 --> <bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter"> <property name="webBindingInitializer"> <bean class="com.cc.utils.convertDate"/> </property> </bean> <!-- 4.掃描web相關的bean --> <context:component-scan base-package="com.cc.controller" /> </beans>
<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd"> <!--3. 建立SqlSessionFactoryBean,注入鏈接池--> <bean class="org.mybatis.spring.SqlSessionFactoryBean"> <property name="dataSource" ref="dataSource"></property> </bean> <import resource="classpath:spring/spring-dao.xml"/> <import resource="classpath:spring/spring-service.xml"/> <import resource="classpath:spring/spring-mvc.xml"/> </beans>
package com.cc.controller; import com.cc.pojo.User; import com.cc.service.UserService; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Qualifier; 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 org.springframework.web.bind.annotation.ResponseBody; import org.springframework.web.bind.annotation.RestController; import org.springframework.web.servlet.ModelAndView; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Date; @Controller @RequestMapping("/user") public class UserController { @Autowired @Qualifier("UserServiceImpl") private UserService userService; @RequestMapping("/toLogin") public String toLoginUser(Model model, HttpServletRequest request ) { try { String username = request.getParameter("username"); String password = request.getParameter("password"); System.out.println(username+" "+password); User user =new User(); user.setUsername(username); user.setPassword(password); User users = userService.userLogin(user); if (users.getId() > 0) { // model.addAttribute("user", users); model.addAttribute("user", users); return "userMain"; } } catch (Exception e) { model.addAttribute("error","Wrong username or password!"); return "redirect:/"; } return "redirect:/"; } @ResponseBody @RequestMapping("/toLogintest") public String userLogin(String name,String pwd) { String msg = "Wrong username or password!"; //模擬數據庫中存在數據 if ((name != null) && (pwd != null)) { // 從數據庫檢索是否存在該用戶 User user = new User(); user.setUsername(name); user.setPassword(pwd); try { User users = userService.userLogin(user); if (users.getUsername().equals(name) && users.getPassword().equals(pwd)) { msg = "Login Success"; } return msg; }catch (Exception e){} return msg; //g } return msg; } @RequestMapping("/userBuy") public String userBuyCard(Model model,int id) throws ParseException { User user = userService.queryUserById(id); System.out.println(user); model.addAttribute("user",user ); return "userMall"; } @RequestMapping("/userMianPage") public String userMianPage(Model model,int id) throws ParseException { User user = userService.queryUserById(id); System.out.println(user); model.addAttribute("user",user ); return "userMain"; } // 跳轉註冊頁面 @RequestMapping("/toUserRegister") public String toAddPaper() { return "register"; } //註冊 @RequestMapping("/userRegister") public String registerUser(User user) throws ParseException { SimpleDateFormat sp = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss"); String date = sp.format(new Date()); user.setBegintime(date); user.setEndtime(date); user.setRemainday(0); userService.userRegister(user); return "redirect:/user/toLogin"; } }
package com.cc.controller; import com.cc.pojo.Admin; import com.cc.pojo.User; import com.cc.service.AdminService; import com.github.pagehelper.PageInfo; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Qualifier; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.PathVariable; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestParam; import org.springframework.web.servlet.ModelAndView; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Calendar; import java.util.Date; import java.util.List; @Controller @RequestMapping("/admin") public class AdminController { @Autowired @Qualifier("AdminServiceImpl") private AdminService adminService; @RequestMapping("/toAddUser") public String toAddPaper() { return "register"; } @RequestMapping("/addUser") public String addPaper(User user) throws ParseException { System.out.println(user); SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd"); // 日期格式 Date date = dateFormat.parse(user.getBegintime()); // 指定日期 Calendar cl = Calendar.getInstance(); cl.setTime(date); cl.add(Calendar.DATE, user.getRemainday()); String temp = ""; temp = dateFormat.format(cl.getTime()); user.setEndtime(temp); adminService.addUser(user); return "redirect:/admin/findByPage"; } @RequestMapping("/toUpdateUser") public String toUpdateUser(Model model, int id) { User user = adminService.queryUserById(id); System.out.println(user); model.addAttribute("user",user ); return "updateUser"; } @RequestMapping("/updateUser") public String updateUser(Model model, User user) throws ParseException { SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); // 日期格式 Date date = dateFormat.parse(user.getBegintime()); // 指定日期 Calendar cl = Calendar.getInstance(); cl.setTime(date); int allday = user.getRemainday()+user.getAddday(); cl.add(Calendar.DATE, allday); String temp = ""; temp = dateFormat.format(cl.getTime()); user.setEndtime(temp); user.setRemainday(allday); adminService.updateUser(user); User users = adminService.queryUserById(user.getId()); model.addAttribute("user", users); return "redirect:/admin/findByPage"; } @RequestMapping("/del/{userId}") public String deleteBook(@PathVariable("userId") int id) { adminService.deleteUserById(id); return "redirect:/admin/findByPage"; } @RequestMapping("/toaLogin") public String toaLogin() { return "/aLogin"; } @RequestMapping("/aLogin") public String toLoginUser(Admin admin) { System.out.println(admin.getUsername()+admin.getPassword()); try { Admin admins = adminService.adminLogin(admin); if (admins.getId() > 0) { // model.addAttribute("user", users); return "redirect:/admin/findByPage"; } }catch (Exception e){ return "/aLogin"; } return "/aLogin"; } @RequestMapping("/findAll") public ModelAndView findAll() { //1.1 調用service List<User> list = adminService.findAll(); //1.2 返回結果 ModelAndView mv = new ModelAndView(); mv.setViewName("order-list"); mv.addObject("list", list); return mv; } @RequestMapping("/findByPage") public String findByPage(Model model, @RequestParam(defaultValue = "1") int pageNum, @RequestParam(defaultValue = "11") int pageSize) { PageInfo<User> pageInfo = adminService.findByPage(pageNum, pageSize); // PageInfo pageInfo = adminService.findByPage(pageNum, pageSize); //1.1 調用service //1.2 返回結果 model.addAttribute("list", pageInfo.getList()); model.addAttribute("pageInfo", pageInfo); return "allUserPage"; } @RequestMapping("/searchUser") public String searchUser(Model model, String name) { try { User user = adminService.queryUserByName(name); System.out.println(user); model.addAttribute("user", user); if (user.getName() == null) { return "redirect:/admin/findByPage"; } return "updateUser"; }catch (Exception e){ return "redirect:/admin/findByPage"; } } // 商城 @RequestMapping("/buy") public String buyCard() throws ParseException { return "mall"; } }
詳情見GitHub
如下功能在之後可拓展開發
這個小Demo作了五六天,分頁那裏卡了接近兩天,無數的坑等着踩。
期間也體會到了編程的樂趣,天天晚上都肝的快快樂樂。
全部代碼放在GitHub供你們交流學習。
今天母親節呀,祝我媽媽母親節快樂! 晚安!