ssm 常用配置檔案(個人筆記)

阿新 • • 發佈：2021-01-17

技術標籤：SSM專案搭建 mybatis spring mysql web.xml java

maven ssm常用依賴與靜態檔案的過濾配置(pom.xml)

<!-- 依賴問題: junit,資料庫驅動，連線池，servlet，jsp,mybatis,mybatis-spring，spring-->

    <dependencies>
        <!--Junit-->
        <dependency>
            <groupId>junit</groupId>
            < 
artifactId>junit</artifactId>
            <version>4.12</version>
        </dependency>
        <!--資料庫驅動-->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version 
>5.1.47</version>
        </dependency>
        <!-- 資料庫連線池 c3p0資料來源-->
        <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>
        <!-- lombok(省力小工具)-->
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <version>1.18.12</version>
        </dependency>

    </dependencies>

    <!-- Maven專案靜態資源匯出問題-->
    <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>

db.properties:

jdbc.driver=com.mysql.jdbc.Driver
# 如果使用的是MySQL8.0+, 則需要增加一個時區的配置&serverTimezone=Asia/Shanghai
#url:jdbc:mysql://47.105.91.111:3306/ops?useUnicode=true&characterEncoding=utf8&useSSL=false&nullCatalogMeansCurrent=true&serverTimezone=Asia/Shanghai
jdbc.url=jdbc:mysql://localhost:3306/ssmbuild?useSSL=true&useUnicode=true&characterEncoding=utf8
jdbc.username=root
jdbc.password=123456

編寫相應的pojo類,dao,service
xxxMapper.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">
 <!-- 指定namespace-->
<mapper namespace="com.kuang.dao.具體mapper的介面檔案">
	<!-- 編寫相應的sql語句-->
</mapper>

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>
    
    <!-- 配置資料來源，交給Spring去做-->
    <!-- 設定實體類的別名-->
    <typeAliases>
        <package name=""/>
    </typeAliases>

    <!-- 繫結mapper檔案-->
    <mappers>
        <mapper class="com.kuang.dao.mapper.xxxMapper.xml"/>
    </mappers>
</configuration>

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

    <!-- 1.關聯資料庫配置檔案-->
    <context:property-placeholder location="classpath:db.properties"/>

    <!-- 2.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"/>
        <!-- 當獲取連線失敗重試次數 -->
        <property name="acquireRetryAttempts" value="2"/>

    </bean>

    <!-- 3.sqlSessionFactory:繫結資料來源和mybatis的配置檔案-->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="dataSource"/>
        <!-- 繫結Mybatis配置檔案-->
        <property name="configLocation" value="classpath:mybatis-config.xml"/>
    </bean>

    <!-- 配置Dao介面掃描包，動態的實現了Dao介面可以注入到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-->
        <!-- 配置檔案的方式注入了dao-->
        <property name="basePackage" value="classpath:*.*"/>
    </bean>
</beans>

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"
       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
        ">

    <!-- 1.掃描Service下的包-->
    <context:component-scan base-package="具體的service所在的包下"/>

    <!-- 2.將我們的所有業務類，注入到spring，可以通過配置，或者註解實現-->
    <!-- 當前是通過配置檔案的方式實現的注入，一般都是註解方式-->
    <bean id="bookServiceImpl" class="com.kuang.service.impl.BookServiceImpl">
        <property name="bookMapper" ref="bookMapper"/>
    </bean>

    <!-- 3.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>

    <!-- 4.aop事務處理-->
</beans>

web.xml

<!-- DispatchServlet-->
    <servlet>
        <servlet-name>springmvc</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>classpath:springmvc-config.xml</param-value>
        </init-param>
        <!-- 設定為與tomcat一起啟動-->
        <load-on-startup>1</load-on-startup>
    </servlet>
    
    <servlet-mapping>
        <servlet-name>springmvc</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-->
        <!-- 設定Session超時時間-->
        <session-config>
            <session-timeout>15</session-timeout>
        </session-config>

springmvc-config.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
       http://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.註解驅動-->
    <mvc:annotation-driven/>
    <!-- 2.靜態資源過濾-->
    <mvc:default-servlet-handler/>
    <!-- 3.掃描包:controller-->
    <context:component-scan base-package="com.lll.controller"/>
    <!-- 4.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

<?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">

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

</beans>

編寫相應的controller和jsp檔案
jsp檔案的編寫放在(有springMVC的檢視解析器決定): 在這裡插入圖片描述

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