02jdbcTemplate

代码路径
https://github.com/wei198621/allTypes_persistence

pom.xml

<?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.tz.leo</groupId>
    <artifactId>02jdbcTemplate</artifactId>
    <version>1.0-SNAPSHOT</version>

    <properties>
        <javaVersion>1.8</javaVersion>
        <springVersion>4.3.18.RELEASE</springVersion>
    </properties>


    <dependencies>

        <!--springframework-->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</artifactId>
            <version>${springVersion}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>${springVersion}</version>
        </dependency>
        <!--spring-task.xml 中的如下类需要引用它-->
        <!--org.springframework.scheduling.quartz.MethodInvokingJobDetailFactoryBean-->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context-support</artifactId>
            <version>${springVersion}</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-test</artifactId>
            <version>${springVersion}</version>
            <scope>test</scope>
        </dependency>

        <!--jdbc   org.springframework.jdbc.core.JdbcTemplate  需要使用-->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <version>${springVersion}</version>
        </dependency>


        <!-- druid applicationContext.xml 中 配置 数据库连接字符串使用  -->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid</artifactId>
            <version>1.1.2</version>
        </dependency>

        <!--添加mysql连接的依赖包-->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.47</version>
        </dependency>

        <!--添加Oracle连接的依赖包-->

        <dependency>
            <groupId>com.oracle</groupId>
            <artifactId>ojdbc6</artifactId>
            <version>11.2.0.4.0</version>
        </dependency>



        <!--slf4j 作为facade 层 封装了  log4j -->
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-api</artifactId>
            <version>1.7.21</version>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-log4j12</artifactId>
            <version>1.7.21</version>
        </dependency>


        <!-- lombok  -->
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <version>1.16.22</version>
            <scope>compile</scope>
            <optional>true</optional>
        </dependency>


        <!--  jackson 对应 JacksonUtil 需要  -->
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-databind</artifactId>
            <version>2.9.8</version>
        </dependency>



        <!-- https://mvnrepository.com/artifact/cn.hutool/hutool-all -->
        <dependency>
            <groupId>cn.hutool</groupId>
            <artifactId>hutool-all</artifactId>
            <version>5.3.2</version>
        </dependency>

    </dependencies>

    <!--set language level to 6 -@Override in interfaces 错误需要配置如下build 参数 消除提示 -->
    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.1</version>
                <configuration>
                    <source>${javaVersion}</source>
                    <target>1.8</target>
                    <!--<encoding>UTF-8</encoding>-->
                </configuration>
            </plugin>
        </plugins>
    </build>
    
</project>

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"
       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">

    <!--    01   开启注解扫描  -->
    <context:component-scan base-package="com.tz.leo.jdbcTemplateTest.*"></context:component-scan>
    <!--    01   王旺的类库，直接在这里进行声明，后面可以直接使用，因为要依赖SpringUtil启动-->
    <bean id="springUtil" class="com.tz.leo.jdbcTemplateTest.util.SpringUtil"></bean>
    <!--    02  加载所有的*.properties 文件-->
    <context:property-placeholder  location="classpath*:/*.properties"></context:property-placeholder>
    <!--    02  加载*.xml文件-->



    <!--    03 数据源  数据源datasource jdbcTemplate 与jdbc.properties 是一组 不管是oracle mySql 此处不要动，只要动 jdbc.properties就行  -->
    <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close">
        <!-- 基本属性 url、user、password -->
        <property name="driverClassName" value="${jdbc.driverClassName}"></property>
        <property name="url" value="${jdbc.url}"/>
        <property name="username" value="${jdbc.username}"/>
        <property name="password" value="${jdbc.password}"/>
        <!-- 配置初始化大小、最小、最大 -->
        <property name="initialSize" value="${druid.initialSize}"/>
        <property name="minIdle" value="${druid.minIdle}"/>
        <property name="maxActive" value="${druid.maxActive}"/>
        <!-- 配置获取连接等待超时的时间 -->
        <property name="maxWait" value="${druid.maxWait}"/>
        <!-- 配置间隔多久才进行一次检测，检测需要关闭的空闲连接，单位是毫秒 -->
        <property name="timeBetweenEvictionRunsMillis" value="${druid.timeBetweenEvictionRunsMillis}"/>
        <!-- 配置一个连接在池中最小生存的时间，单位是毫秒 -->
        <property name="minEvictableIdleTimeMillis" value="${druid.minEvictableIdleTimeMillis}"/>
        <property name="validationQuery" value="${druid.validationQuery}"/>
        <property name="testWhileIdle" value="${druid.testWhileIdle}"/>
        <property name="testOnBorrow" value="${druid.testOnBorrow}"/>
        <property name="testOnReturn" value="${druid.testOnReturn}"/>
        <!-- 打开PSCache，并且指定每个连接上PSCache的大小  如果用Oracle，则把poolPreparedStatements配置为true，mysql可以配置为false。-->
        <property name="poolPreparedStatements" value="${druid.poolPreparedStatements}"/>
        <property name="maxPoolPreparedStatementPerConnectionSize"
                  value="${druid.maxPoolPreparedStatementPerConnectionSize}"/>
        <!-- 配置监控统计拦截的filters -->
        <property name="filters" value="${druid.filters}"/>
    </bean>
    <!--  03  Spring jdbc -->
    <bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate">
        <property name="dataSource" ref="dataSource"/>
    </bean>


</beans>


#个人计算机  root  root  , 公司计算机  root  123456

#mySql  local
#jdbc.driverClassName=com.mysql.jdbc.Driver
#jdbc.url=jdbc:mysql://127.0.0.1:3306/xgzx?characterEncoding=UTF-8
#jdbc.username=root
#jdbc.password=123456


#mySql  121.38   5.7
jdbc.driverClassName=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://192.168.121.38:3306/xgzx?characterEncoding=UTF-8
jdbc.username=root
jdbc.password=root

#oracle
#jdbc.url=jdbc:oracle:thin:@192.168.1.50:1521:xudb
#jdbc.username=XUZHONG
#jdbc.password=XUZHONG

#druid configure
druid.initialSize=3
druid.minIdle=1
druid.maxActive=5
druid.maxWait=60000
druid.timeBetweenEvictionRunsMillis=60000
druid.minEvictableIdleTimeMillis=300000
druid.validationQuery=SELECT 'x'
druid.testWhileIdle=true
druid.testOnBorrow=false
druid.testOnReturn=false
druid.poolPreparedStatements=false
druid.maxPoolPreparedStatementPerConnectionSize=20
druid.filters=wall,stat

知识点

开启注解扫描
springUtil bean 声明
加载所有.properties 文件
alibaba.druid 数据源
jdbcTemplate
mysql 链接字符串

在这里插入图片描述

allTypes of persistence jdbcTemplate

02jdbcTemplate

pom.xml

applicationContext.xml

知识点

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