需求分析->功能設計->資料庫設計
環境要求
- 環境
- 要求
資料庫環境
基本環境搭建
提交專案到Git
建立基礎包
建立配置檔案
建立實體類
建立Mapper介面和Mapper.xml
- 註冊Mapper到mybatis-config.xml
建立Service介面和實現類
Spring配置檔案
專案新增web框架支援
- 配置web.xml
建立Controller
建立首頁和書庫頁
Artifacts中WEB-INF下建立lib，並選擇jar
配置Tomcat，並測試

需求分析->功能設計->資料庫設計

環境要求

環境

IDEA
MySQL 5.7.19
Tomcat 9
Maven 3.6

要求

熟練掌握MySQL資料庫
熟練掌握Spring，JavaWeb及MyBatis知識
簡單的前端知識

資料庫環境

CREATE DATABASE `ssm`CHARACTER SET utf8 COLLATE utf8_general_ci; 

USE `ssm`; 

CREATE TABLE `ssm`.`books` ( `book_id` INT(10) NOT NULL AUTO_INCREMENT COMMENT '書id', `book_name` VARCHAR(100) NOT NULL COMMENT '書名', `book_count` INT(10) NOT NULL COMMENT '數量', `book_detail` VARCHAR(1000) NOT NULL COMMENT '描述', PRIMARY KEY (`book_id`) ) ENGINE=INNODB CHARSET=utf8 COLLATE=utf8_general_ci; 

INSERT INTO `ssm`.`books` (`book_name`, `book_count`, `book_detail`) VALUES ('Java', '1', '從入門到放棄');

INSERT INTO `ssm`.`books` (`book_name`, `book_count`, `book_detail`) VALUES ('MySQL', '11', '從刪庫到跑路');

INSERT INTO `ssm`.`books` (`book_name`, `book_count`, `book_detail`) VALUES ('Linux', '5', 'j'); 

SELECT * FROM books LIMIT 0, 1000;

基本環境搭建

建立maven專案

pom.xml新增依賴，新增資源匯出

<?xml version="1.0" encoding="UTF-8"?>

<project xmlns="http://maven.apache.org/POM/4.0.0"

         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">

    <modelVersion>4.0.0</modelVersion>

    <groupId>com.qing</groupId>

    <artifactId>ssm</artifactId>

    <version>1.0-SNAPSHOT</version>

    <dependencies>

        <!-- https://mvnrepository.com/artifact/junit/junit -->

        <dependency>

            <groupId>junit</groupId>

            <artifactId>junit</artifactId>

            <version>4.13.2</version>

        </dependency>

        <!-- https://mvnrepository.com/artifact/org.projectlombok/lombok -->

        <dependency>

            <groupId>org.projectlombok</groupId>

            <artifactId>lombok</artifactId>

            <version>1.18.20</version>

        </dependency>

        <!-- https://mvnrepository.com/artifact/mysql/mysql-connector-java -->

        <dependency>

            <groupId>mysql</groupId>

            <artifactId>mysql-connector-java</artifactId>

            <version>5.1.49</version>

        </dependency>

        <!-- https://mvnrepository.com/artifact/com.mchange/c3p0 -->

        <dependency>

            <groupId>com.mchange</groupId>

            <artifactId>c3p0</artifactId>

            <version>0.9.5.5</version>

        </dependency>

        <!-- https://mvnrepository.com/artifact/javax.servlet/servlet-api -->

        <dependency>

            <groupId>javax.servlet</groupId>

            <artifactId>servlet-api</artifactId>

            <version>2.5</version>

        </dependency>

        <!-- https://mvnrepository.com/artifact/javax.servlet.jsp/jsp-api -->

        <dependency>

            <groupId>javax.servlet.jsp</groupId>

            <artifactId>jsp-api</artifactId>

            <version>2.2</version>

        </dependency>

        <!-- https://mvnrepository.com/artifact/javax.servlet/jstl -->

        <dependency>

            <groupId>javax.servlet</groupId>

            <artifactId>jstl</artifactId>

            <version>1.2</version>

        </dependency>

        <!-- https://mvnrepository.com/artifact/org.mybatis/mybatis -->

        <dependency>

            <groupId>org.mybatis</groupId>

            <artifactId>mybatis</artifactId>

            <version>3.5.7</version>

        </dependency>

        <!-- https://mvnrepository.com/artifact/org.mybatis/mybatis-spring -->

        <dependency>

            <groupId>org.mybatis</groupId>

            <artifactId>mybatis-spring</artifactId>

            <version>2.0.6</version>

        </dependency>

        <!-- https://mvnrepository.com/artifact/org.springframework/spring-webmvc -->

        <dependency>

            <groupId>org.springframework</groupId>

            <artifactId>spring-webmvc</artifactId>

            <version>5.3.9</version>

        </dependency>

        <!-- https://mvnrepository.com/artifact/org.springframework/spring-jdbc -->

        <dependency>

            <groupId>org.springframework</groupId>

            <artifactId>spring-jdbc</artifactId>

            <version>5.3.9</version>

        </dependency>

        <!-- https://mvnrepository.com/artifact/org.aspectj/aspectjweaver -->

        <dependency>

            <groupId>org.aspectj</groupId>

            <artifactId>aspectjweaver</artifactId>

            <version>1.9.7</version>

            <scope>runtime</scope>

        </dependency>

    </dependencies>

    <!--配置resources，防止資源匯出失敗問題-->

    <build>

        <resources>

            <resource>

                <directory>src/main/resources</directory>

                <includes>

                    <include>**/*.properties</include>

                    <include>**/*.xml</include>

                </includes>

                <filtering>true</filtering>

            </resource>

            <resource>

                <directory>src/main/java</directory>

                <includes>

                    <include>**/*.properties</include>

                    <include>**/*.xml</include>

                </includes>

                <filtering>true</filtering>

            </resource>

        </resources>

    </build>

</project>

idea連線資料庫

提交專案到Git

[email protected]:wl3pbzhyq/ssm.git

建立基礎包

建立配置檔案

db.properties

driver=com.mysql.jdbc.Driver

# 如果使用的是MySQL8.0+，增加一個時區的配置：&serverTimezone=Asia/Shanghai

url=jdbc:mysql://localhost:3306/mybatis?useSSL=false&useUnicode=true&characterEncoding=UTF-8

username=root

password=123456

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">

<!--核心配置檔案-->

<configuration>

    <settings>

        <setting name="logImpl" value="STDOUT_LOGGING"/>

        <!--開啟駝峰對映-->

        <setting name="mapUnderscoreToCamelCase" value="true"/>

    </settings>

    <!--別名-->

    <typeAliases>

        <package name="com.qing.pojo"/>

    </typeAliases>

</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

        https://www.springframework.org/schema/beans/spring-beans.xsd">

</beans>

建立實體類

package com.qing.pojo;

import lombok.AllArgsConstructor;

import lombok.Data;

import lombok.NoArgsConstructor;

@Data

@AllArgsConstructor

@NoArgsConstructor

public class Books {

    private int bookId;

    private String bookName;

    private int bookCount;

    private String bookDetail;

}

建立Mapper介面和Mapper.xml

package com.qing.dao;

import com.qing.pojo.Books;

import org.apache.ibatis.annotations.Param;

import java.util.List;

public interface BooksMapper {

    /**

     * 新增書

     * @param books

     * @return

     */

    int add(Books books);

    /**

     * 根據Id刪除書

     * @param bookId

     * @return

     */

    int deleteById(@Param("bookId") int bookId);

    /**

     * 修改書

     * @param books

     * @return

     */

    int update(Books books);

    /**

     * 根據Id獲取書

     * @param bookId

     * @return

     */

    Books getBooksById(@Param("bookId") int bookId);

    /**

     * 獲取全部書

     * @return

     */

    List<Books> listBooks();

}

<?xml version="1.0" encoding="UTF-8" ?>

<!DOCTYPE mapper

        PUBLIC "-//mybatis.org//DTD Config 3.0//EN"

        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">

<mapper namespace="com.qing.dao.BooksMapper">

    <!--新增書-->

    <insert id="add" parameterType="Books">

        insert into ssm.books(book_name, book_count, book_detail)

        values (#{bookName},#{bookCount},#{bookDetail})

    </insert>

    <!--根據Id刪除書-->

    <delete id="deleteById" parameterType="int">

        delete from ssm.books where book_id = #{bookId}

    </delete>

    <!--修改書-->

    <update id="update" parameterType="Books">

        update ssm.books

        set book_name=#{bookName},book_count=#{bookCount},book_detail=#{bookDetail}

        where book_id=#{bookId}

    </update>

    <!--根據Id獲取書-->

    <select id="getBooksById" parameterType="int" resultType="Books">

        select * from ssm.books

        where book_id=#{bookId}

    </select>

    <!--獲取全部書-->

    <select id="listBooks" resultType="Books">

        select * from ssm.books

    </select>

</mapper>

註冊Mapper到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">

<!--核心配置檔案-->

<configuration>

    <settings>

        <setting name="logImpl" value="STDOUT_LOGGING"/>

    </settings>

    <!--別名-->

    <typeAliases>

        <package name="com.qing.pojo"/>

    </typeAliases>

    <!-- 將包內的對映器介面實現全部註冊為對映器 -->

    <mappers>

        <package name="com.qing.dao"/>

    </mappers>

</configuration>

建立Service介面和實現類

package com.qing.service;

import com.qing.pojo.Books;

import java.util.List;

public interface BooksService {

    /**

     * 新增書

     * @param books

     * @return

     */

    int add(Books books);

    /**

     * 根據Id刪除書

     * @param bookId

     * @return

     */

    int deleteById(int bookId);

    /**

     * 修改書

     * @param books

     * @return

     */

    int update(Books books);

    /**

     * 根據Id獲取書

     * @param bookId

     * @return

     */

    Books getBooksById(int bookId);

    /**

     * 獲取全部書

     * @return

     */

    List<Books> listBooks();

}

package com.qing.service;

import com.qing.dao.BooksMapper;

import com.qing.pojo.Books;

import java.util.List;

public class BooksServiceImpl implements BooksService {

    // service調dao層，組合Dao

    private BooksMapper booksMapper;

    public void setBooksMapper(BooksMapper booksMapper) {

        this.booksMapper = booksMapper;

    }

    public int add(Books books) {

        return booksMapper.add(books);

    }

    public int deleteById(int bookId) {

        return booksMapper.deleteById(bookId);

    }

    public int update(Books books) {

        return booksMapper.update(books);

    }

    public Books getBooksById(int bookId) {

        return booksMapper.getBooksById(bookId);

    }

    public List<Books> listBooks() {

        return booksMapper.listBooks();

    }

}

Spring配置檔案

建立配置檔案 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

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

    <!--關聯資料庫配置檔案-->

    <context:property-placeholder location="classpath:db.properties"/>

    <!--連線池

        dbcp: 半自動化操作，不能自動連線

        c3p0: 自動化操作，自動化的載入配置檔案，並且可以自動設定到物件中

        druid : hikari

    -->

    <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">

        <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連線池的私有屬性-->

        <property name="maxPoolSize" value="30"/>

        <property name="minPoolSize" value="10"/>

        <!--關閉連線後不自動commit-->

        <property name="autoCommitOnClose" value="false"/>

        <!--獲取連線超時時間-->

        <property name="checkoutTimeout" value="10000"/>

        <!--獲取連線失敗重試次數-->

        <property name="acquireRetryAttempts" value="2"/>

    </bean>

    <!--sqlSessionFactory-->

    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">

        <property name="dataSource" ref="dataSource"/>

        <!--繫結mybatis的配置檔案-->

        <property name="configLocation" value="classpath:mybatis-config.xml"/>

    </bean>

    <!--配置dao介面掃描包，動態的實現Dao介面注入到spring容器中-->

    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">

        <!--注入sqlSessionFactory-->

        <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>

        <!--要掃描的dao包-->

        <property name="basePackage" value="com.qing.dao"/>

    </bean>

</beans>

建立配置檔案 spring-service.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"

       xmlns:tx="http://www.springframework.org/schema/tx"

       xmlns:aop="http://www.springframework.org/schema/aop"

       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

        http://www.springframework.org/schema/tx

        http://www.springframework.org/schema/tx/spring-tx.xsd

        http://www.springframework.org/schema/aop

        https://www.springframework.org/schema/aop/spring-aop.xsd">

    <!--掃描service下的包-->

    <context:component-scan base-package="com.qing.service"/>

    <!--將業務類注入到Spring，通過配置，也可以通過註解實現-->

    <bean id="BookServiceImpl" class="com.qing.service.BooksServiceImpl">

        <property name="booksMapper" ref="booksMapper"/>

    </bean>

    <!--宣告式事務配置-->

    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">

        <!--注入資料來源-->

        <property name="dataSource" ref="dataSource"/>

    </bean>

    <!--aop事務支援-->

    <!--結合aop實現事務的織入-->

    <!--配置事務通知-->

    <tx:advice id="txAdvice" transaction-manager="transactionManager">

        <!--給那些方法配置事務-->

        <!--配置事務的傳播特性-->

        <tx:attributes>

            <tx:method name="*" propagation="REQUIRED"/>

        </tx:attributes>

    </tx:advice>

    <!--配置事務切入-->

    <aop:config>

        <aop:pointcut id="txPointCout" expression="execution(* com.qing.dao.*.*(..))"/>

        <aop:advisor advice-ref="txAdvice" pointcut-ref="txPointCout"/>

    </aop:config>

</beans>

建立配置檔案 spring-mvc.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: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">

    <!--註解驅動-->

    <mvc:annotation-driven/>

    <!--靜態資源過濾-->

    <mvc:default-servlet-handler/>

    <!--掃描包-->

    <context:component-scan base-package="com.qing.controller"/>

    <!--檢視解析器-->

    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">

        <property name="prefix" value="/WEB-INF/jsp/"/>

        <property name="suffix" value=".jsp"/>

    </bean>

</beans>

applicationContext.xml匯入spring-dao.xml spring-service.xml spring-mvc.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

        https://www.springframework.org/schema/beans/spring-beans.xsd">

    <import resource="classpath:spring-dao.xml"/>

    <import resource="classpath:spring-service.xml"/>

    <import resource="classpath:spring-mvc.xml"/>

</beans>

專案新增web框架支援

配置web.xml

<?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">

    <!--DispatchServlet-->

    <servlet>

        <servlet-name>spingmvc</servlet-name>

        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>

        <init-param>

            <param-name>contextConfigLocation</param-name>

            <param-value>classpath:applicationContext.xml</param-value>

        </init-param>

        <load-on-startup>1</load-on-startup>

    </servlet>

    <servlet-mapping>

        <servlet-name>spingmvc</servlet-name>

        <url-pattern>/</url-pattern>

    </servlet-mapping>

    <!--亂碼過濾-->

    <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-config>

        <session-timeout>15</session-timeout>

    </session-config>

</web-app>

建立Controller

package com.qing.controller;

import com.qing.pojo.Books;

import com.qing.service.BooksService;

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 java.util.List;

@Controller

@RequestMapping("/books")

public class BooksController {

    @Autowired

    @Qualifier("BookServiceImpl")

    private BooksService booksService;

    @RequestMapping("/listBooks")

    public String listBooks(Model model) {

        List<Books> list = booksService.listBooks();

        model.addAttribute("list",list);

        return "listBooks";

    }

}

建立首頁和書庫頁

<%@ page contentType="text/html;charset=UTF-8" language="java" %>

<html>

  <head>

    <title>首頁</title>

  </head>

  <body>

  <h1><a href="${pageContext.request.contextPath}/books/listBooks">進入書庫</a></h1>

  </body>

</html>

<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>

<%@ page contentType="text/html;charset=UTF-8" language="java" %>

<html>

<head>

    <title>書庫</title>

</head>

<body>

<h1>書庫</h1>

<div>

    <table class="table table-hover table-striped">

        <thead>

            <tr>

                <th>書籍編號</th>

                <th>書籍名稱</th>

                <th>書籍數量</th>

                <th>書籍描述</th>

            </tr>

        </thead>

        <tbody>

            <c:forEach var="book" items="${list}">

                <tr>

                    <td>${book.bookId}</td>

                    <td>${book.bookName}</td>

                    <td>${book.bookCount}</td>

                    <td>${book.bookDetail}</td>

                </tr>

            </c:forEach>

        </tbody>

    </table>

</div>

</body>

</html>

Artifacts中WEB-INF下建立lib，並選擇jar

110_SSM框架

110_SSM框架

需求分析->功能設計->資料庫設計

環境要求

環境

要求

資料庫環境

基本環境搭建

建立maven專案

pom.xml新增依賴，新增資源匯出

idea連線資料庫

提交專案到Git

建立基礎包

建立配置檔案

db.properties

mybatis-config.xml

applicationContext.xml

建立實體類

建立Mapper介面和Mapper.xml

註冊Mapper到mybatis-config.xml

建立Service介面和實現類

Spring配置檔案

建立配置檔案 spring-dao.xml

建立配置檔案 spring-service.xml

建立配置檔案 spring-mvc.xml

applicationContext.xml匯入spring-dao.xml spring-service.xml spring-mvc.xml

專案新增web框架支援

配置web.xml

建立Controller

建立首頁和書庫頁

Artifacts中WEB-INF下建立lib，並選擇jar

配置Tomcat，並測試

110_SSM框架

110_SSM框架

需求分析->功能設計->資料庫設計

環境要求

環境

要求

資料庫環境

基本環境搭建

建立maven專案

pom.xml新增依賴，新增資源匯出

idea連線資料庫

提交專案到Git

建立基礎包

建立配置檔案

db.properties

mybatis-config.xml

applicationContext.xml

建立實體類

建立Mapper介面和Mapper.xml

註冊Mapper到mybatis-config.xml

建立Service介面和實現類

Spring配置檔案

建立配置檔案 spring-dao.xml

建立配置檔案 spring-service.xml

建立配置檔案 spring-mvc.xml

applicationContext.xml匯入spring-dao.xml spring-service.xml spring-mvc.xml

專案新增web框架支援

配置web.xml

建立Controller

建立首頁和書庫頁

Artifacts中WEB-INF下建立lib，並選擇jar

配置Tomcat，並測試

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