[SSM Complete Project] Imitation Douban Excellent Movie Scoring System

This is the second complete small project of SSM that I have written. It is an excellent movie recommendation system, which is shared for everyone to share.

project structure directory

Screenshot of the main running of the project

The main page of the project

Information display page (display list of all movies)

Add excellent movie page

Check out the excellent movies page

Modify the excellent movie page

delete excellent movies

The main configuration file for the project (similar to the previous SSM project)

spring-dao database persistence layer configuration file

<?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
        https://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/context
        https://www.springframework.org/schema/context/spring-context.xsd">

    <!--1、关联数据库文件-->
    <context:property-placeholder location="classpath:database.properties"/>
    <!--2、连接池-->
    <!--
    C3p0：自动化操作（自动化的加载配置文件,并且可以自动设置到对象中）
    jdbc：半自动化操作，不能自动连接
    druid：
    hikari：
    -->
    <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
        <property name="driverClass" value="${driver}"/>
        <property name="jdbcUrl" value="${url}"/>
        <property name="user" value="${user}"/>
        <property name="password" value="${password}"/>

        <!--c3p0的私有属性-->
        <property name="maxPoolSize" value="30"/>
        <property name="minPoolSize" value="10"/>
        <!--关闭连接后不能自动连接commit-->
        <property name="autoCommitOnClose" value="false"/>
        <!--获取连接超时时间，10秒-->
        <property name="checkoutTimeout" value="10000"/>
        <!--当前获取连接失败的次数-->
        <property name="acquireRetryAttempts" value="2"/>
    </bean>
    <!-- 3.配置SqlSessionFactory对象 -->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <!-- 注入数据库连接池 -->
        <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"/>
        <!-- 扫描pojo包 使用别名 -->
        <property name="typeAliasesPackage" value="com.mengxiaoyu.pojo"/>
        <!-- 扫描sql配置文件:mapper需要的xml文件 -->
        <property name="mapperLocations" value="classpath:mapper/*.xml"/>
    </bean>

    <!-- 4.配置扫描Dao接口包，动态实现Dao接口，注入到spring容器中 -->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <!-- 注入sqlSessionFactory -->
        <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
        <!-- 给出需要扫描Dao接口包 -->
        <property name="basePackage" value="com.mengxiaoyu.dao"/>
    </bean>

</beans>

spring-mvc layer configuration file

<?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:mvc="http://www.springframework.org/schema/mvc"
       xmlns:context="http://www.springframework.org/schema/context"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
        https://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/mvc
        http://www.springframework.org/schema/mvc/spring-mvc.xsd
        http://www.springframework.org/schema/context
        https://www.springframework.org/schema/context/spring-context.xsd">
    <!--1、注解驱动-->
    <mvc:annotation-driven/>
    <!--2、静态资源过滤器-->
    <mvc:default-servlet-handler/>


    <!-- 3、扫描包：controller -->
    <context:component-scan base-package="com.mengxiaoyu.controller"/>
    <!-- 4、视图解析器  -->
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <!--前缀-->
        <property name="prefix" value="/WEB-INF/pages/"/>
        <!--后缀-->
        <property name="suffix" value=".jsp"/>
    </bean>

</beans>

spring-service business layer configuration

<?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:tx="http://www.springframework.org/schema/tx"
       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/tx
    http://www.springframework.org/schema/tx/spring-tx.xsd">
    <!-- 扫描service包下所有使用注解的类型 -->
    <context:component-scan base-package="com.mengxiaoyu.service" />

    <!-- 配置事务管理器 -->
    <bean id="transactionManager"
          class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <!-- 注入数据库连接池 -->
        <property name="dataSource" ref="dataSource" />
    </bean>
    <!-- 配置基于注解的声明式事务 -->
    <tx:annotation-driven transaction-manager="transactionManager" />
</beans>

Project core class

FilmController control jump class

package com.mengxiaoyu.controller;

import com.mengxiaoyu.pojo.Film;
import com.mengxiaoyu.service.FilmService;
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.ResponseBody;

import java.util.List;
import java.util.Map;

@RequestMapping("filmController")
@Controller
public class FilmController {
    
    

    @Autowired
    private FilmService filmService;

    @RequestMapping("getAllFilm")
    public String getAllFilm(Map<String, List<Film>> map) {
    
    
        List<Film> films = filmService.queryAllFilm();
        map.put("films", films);
        return "homePage";
    }

    @ResponseBody
    @RequestMapping("addFilm")
    public String addFilm(Film film) {
    
    
        //加入数据库，看返回值决定是否成功
        int i = filmService.addFilm(film);
        if (i > 0) {
    
    
            return "success";
        } else {
    
    
            return "error";
        }
    }

    @ResponseBody
    @RequestMapping("deleteFilmById")
    public String deleteFilmById(int id) {
    
    
        int i = filmService.deleteFilmById(id);
        if (i > 0) {
    
    
            return "success";
        } else {
    
    
            return "error";
        }
    }

    @ResponseBody
    @RequestMapping("updateFilm")
    public String updateFilm(Film film) {
    
    
        //加入数据库，看返回值决定是否成功
        int i = filmService.updateFilm(film);
        if (i > 0) {
    
    
            return "success";
        } else {
    
    
            return "error";
        }
    }

}

FilmDao class mapping file FilmMapper.xml

<?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">
<!-- namespace：该mapper.xml映射文件的唯一标识 -->
<mapper namespace="com.mengxiaoyu.dao.FilmDao">
    <select id="queryFilmById" parameterType="int" resultType="Film">
        select * from film where id = #{id}
    </select>

    <select id="queryAllFilm" resultType="Film">
        select * from film
    </select>
    <insert id="addFilm" parameterType="Film">
        insert into film(name,director,actor,date,nation,grade) values (#{name}, #{director}, #{actor}, #{date}, #{nation}, #{grade})
    </insert>
    <delete id="deleteFilmById" parameterType="int">
        delete from film where id = #{id}
    </delete>
    <update id="updateFilm" parameterType="Film">
        update film set name = #{name}, director = #{director}, actor = #{actor}, date = #{date}, nation = #{nation}, grade = #{grade} where id = #{id}
    </update>
</mapper>

For more source code, please go to my github to download the source project

Demonstration results