vote

投票系统，Spring+SpringMVC+MyBatis入门

导入jar包

数据库驱动包：mysql
日志jar包：log4j
mybatis及mybatis依赖jar包
mybatis和spring整合包
数据库连接池包：c3p0或者dbcp
spring的jar包
jstl包
servlet包

日志和数据库配置文件

log4j.properties

log4j.rootLogger = debug,stdout,D,E

### 输出信息到控制台 ###
log4j.appender.stdout = org.apache.log4j.ConsoleAppender
log4j.appender.stdout.Target = System.out
log4j.appender.stdout.layout = org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern = [%-5p] %d{yyyy-MM-dd HH:mm:ss,SSS} method:%l%n%m%n

### 输出DEBUG 级别以上的日志到=logs/error.log ###
log4j.appender.D = org.apache.log4j.DailyRollingFileAppender
log4j.appender.D.File = logs/log.log
log4j.appender.D.Append = true
log4j.appender.D.Threshold = DEBUG
log4j.appender.D.layout = org.apache.log4j.PatternLayout
log4j.appender.D.layout.ConversionPattern = %-d{yyyy-MM-dd HH:mm:ss}  [ %t:%r ] - [ %p ]  %m%n

### 输出ERROR 级别以上的日志到=logs/error.log ###
log4j.appender.E = org.apache.log4j.DailyRollingFileAppender
log4j.appender.E.File =logs/error.log
log4j.appender.E.Append = true
log4j.appender.E.Threshold = ERROR
log4j.appender.E.layout = org.apache.log4j.PatternLayout
log4j.appender.E.layout.ConversionPattern = %-d{yyyy-MM-dd HH:mm:ss}  [ %t:%r ] - [ %p ]  %m%n

db.properties

jdbc.driverClassName=com.mysql.cj.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/vote?serverTimezone=Asia/Shanghai
jdbc.username=root
jdbc.password=123456

Mybatis 逆向工程生成 po 和 mapper

Mybatis 逆向工程配置文件

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE generatorConfiguration PUBLIC "-//mybatis.org//DTD MyBatis Generator Configuration 1.0//EN"
        "http://mybatis.org/dtd/mybatis-generator-config_1_0.dtd">

<generatorConfiguration>

    <context id="MySQL" targetRuntime="MyBatis3">

        <plugin type="org.mybatis.generator.plugins.ToStringPlugin"/>

        <commentGenerator>
            <!-- 是否去除自动生成的注释 -->
            <property name="suppressAllComments" value="true"/>
        </commentGenerator>

        <!-- Mysql数据库连接的信息：驱动类、连接地址、用户名、密码 -->
        <jdbcConnection driverClass="com.mysql.cj.jdbc.Driver"
                        connectionURL="jdbc:mysql://localhost:3306/vote?serverTimezone=Asia/Shanghai"
                        userId="root"
                        password="123456">
            <!--保证只生成自己指定的 database 中的 User 表,不生成UserWithBLOBs-->
            <property name="nullCatalogMeansCurrent" value="true"/>
        </jdbcConnection>

        <!-- 默认为false，把JDBC DECIMAL 和NUMERIC类型解析为Integer，为true时
        把JDBC DECIMAL 和NUMERIC类型解析为java.math.BigDecimal -->
        <javaTypeResolver>
            <property name="forceBigDecimals" value="false"/>
        </javaTypeResolver>

        <!-- targetProject：生成POJO类的位置 -->
        <javaModelGenerator targetPackage="com.yk.vote.po" targetProject="src">
            <!-- enableSubPackages:是否让schema作为包的后缀 -->
            <property name="enableSubPackages" value="false"/>
            <!-- 从数据库返回的值被清理前后的空格 -->
            <property name="trimStrings" value="true"/>
            <!-- 是否对model添加构造函数 -->
            <property name="constructorBased" value="true"/>
        </javaModelGenerator>

        <!-- targetProject：mapper映射文件生成的位置 -->
        <sqlMapGenerator targetPackage="com.yk.vote.mapper" targetProject="src">
            <!-- enableSubPackages:是否让schema作为包的后缀 -->
            <property name="enableSubPackages" value="false"/>
        </sqlMapGenerator>

        <!-- targetProject：mapper接口生成的的位置 -->
        <javaClientGenerator type="XMLMAPPER" targetPackage="com.yk.vote.mapper" targetProject="src">
            <!-- enableSubPackages:是否让schema作为包的后缀 -->
            <property name="enableSubPackages" value="false"/>
        </javaClientGenerator>

        <!-- 指定数据表 -->
        <table tableName="user" domainObjectName="User" mapperName="UserMapper" >
            <!--驼峰命名-->
            <property name="useActualColumnNames" value="true" />
        </table>
        <table tableName="voteInfo" domainObjectName="VoteInfo" mapperName="VoteInfoMapper">
            <property name="useActualColumnNames" value="true" />
        </table>
        <table tableName="voteOption" domainObjectName="VoteOption" mapperName="VoteOptionMapper">
            <property name="useActualColumnNames" value="true" />
        </table>
        <table tableName="userVote" domainObjectName="UserVote" mapperName="UserVoteMapper">
            <property name="useActualColumnNames" value="true" />
        </table>

    </context>

</generatorConfiguration>

po 和 mapper 生成

package com.yk.vote.utils;

import org.mybatis.generator.api.MyBatisGenerator;
import org.mybatis.generator.config.Configuration;
import org.mybatis.generator.config.xml.ConfigurationParser;
import org.mybatis.generator.internal.DefaultShellCallback;

import java.io.File;
import java.util.ArrayList;
import java.util.List;

/**
 * MyBatis逆向工程生成po和mapper
 */
public class GeneratorFromXML {

    public static void main(String[] args) throws Exception {
        List<String> warnings = new ArrayList<String>();
        boolean overwrite = true;
        File configFile = new File("resources/mybatis/generator-config.xml");
        ConfigurationParser cp = new ConfigurationParser(warnings);
        Configuration config = cp.parseConfiguration(configFile);
        DefaultShellCallback callback = new DefaultShellCallback(overwrite);
        MyBatisGenerator myBatisGenerator = new MyBatisGenerator(config, callback, warnings);
        myBatisGenerator.generate(null);
    }

}

Spring, SpringMVC, MyBatis 相关配置

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>

    <!--配置别名-->
    <typeAliases>
        <!--批量扫描别名-->
        <package name="com.yk.vote.po"/>
    </typeAliases>

</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:aop="http://www.springframework.org/schema/aop"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:tx="http://www.springframework.org/schema/tx"
       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 https://www.springframework.org/schema/tx/spring-tx.xsd
        http://www.springframework.org/schema/aop https://www.springframework.org/schema/aop/spring-aop.xsd">

    <!-- bean definitions here -->

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

    <!--配置数据源-->
    <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
        <property name="driverClassName" value="${jdbc.driverClassName}"/>
        <property name="url" value="${jdbc.url}"/>
        <property name="username" value="${jdbc.username}"/>
        <property name="password" value="${jdbc.password}"/>
        <property name="maxActive" value="30"/>
        <property name="maxIdle" value="5"/>
    </bean>

    <!--配置sqlSessionFactory对象-->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <!--数据库连接池-->
        <property name="dataSource" ref="dataSource"/>
        <!--加载mybatis的全局配置文件-->
        <property name="configLocation" value="classpath:mybatis/mybatis-config.xml"/>
    </bean>

    <!--mapper扫描器-->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <!--扫描包路径，如果需要扫描多个包，中间使用半角逗号隔开-->
        <property name="basePackage" value="com.yk.vote.mapper"/>
        <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
    </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:aop="http://www.springframework.org/schema/aop"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:tx="http://www.springframework.org/schema/tx"
       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 https://www.springframework.org/schema/tx/spring-tx.xsd
        http://www.springframework.org/schema/aop https://www.springframework.org/schema/aop/spring-aop.xsd">

    <!-- bean definitions here -->

    <!--<bean id="userService" class="com.yk.vote.service.impl.UserServiceImpl"/>
    <bean id="voteService" class="com.yk.vote.service.impl.VoteServiceImpl"/>-->

    <context:component-scan base-package="com.yk.vote.service.impl"/>

</beans>

spring-transaction.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:aop="http://www.springframework.org/schema/aop"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:tx="http://www.springframework.org/schema/tx"
       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 https://www.springframework.org/schema/tx/spring-tx.xsd
        http://www.springframework.org/schema/aop https://www.springframework.org/schema/aop/spring-aop.xsd">

    <!-- bean definitions here -->

    <!--事务管理器-->
    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="dataSource"/>
    </bean>

    <tx:advice id="txAdvice" transaction-manager="transactionManager">
        <tx:attributes>
            <tx:method name="save*" propagation="REQUIRED"/>
            <tx:method name="delete*" propagation="REQUIRED"/>
            <tx:method name="insert*" propagation="REQUIRED"/>
            <tx:method name="update*" propagation="REQUIRED"/>
            <tx:method name="find*" propagation="SUPPORTS" read-only="true"/>
            <tx:method name="get*" propagation="SUPPORTS" read-only="true"/>
            <tx:method name="select*" propagation="SUPPORTS" read-only="true"/>
            <tx:method name="query*" propagation="SUPPORTS" read-only="true"/>
        </tx:attributes>
    </tx:advice>

    <aop:config>
        <aop:advisor advice-ref="txAdvice" pointcut="execution(* com.yk.vote.service.impl.*.*(..))"/>
    </aop:config>

</beans>

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:aop="http://www.springframework.org/schema/aop"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:tx="http://www.springframework.org/schema/tx"
       xmlns:mvc="http://www.springframework.org/schema/mvc"
       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 https://www.springframework.org/schema/tx/spring-tx.xsd
        http://www.springframework.org/schema/aop https://www.springframework.org/schema/aop/spring-aop.xsd
        http://www.springframework.org/schema/mvc https://www.springframework.org/schema/mvc/spring-mvc.xsd">

    <!--============================非注解方式的处理器映射器和处理器适配器============================-->

    <!--配置Handler-->
    <!--HelloWorldController实现了Controller接口-->
    <bean id="helloWorldController" name="/helloworld" class="com.yk.vote.controller.HelloWorldController"/>
    <!--HelloWorldController2实现了HttpRequestHandler接口-->
    <bean id="helloWorldController2" name="/helloworld2" class="com.yk.vote.controller.HelloWorldController2"/>

    <!--处理器映射器1 非注解-->
    <!--<bean class="org.springframework.web.servlet.handler.BeanNameUrlHandlerMapping"/>-->

    <!--处理器映射器2 简单url映射 非注解-->
    <!--<bean class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping">
        <property name="mappings">
            <props>
                <prop key="/hello">helloWorldController</prop>
            </props>
        </property>
    </bean>-->

    <!--处理器适配器1 SimpleControllerHandlerAdapter，要求编写的Handler实现Controller接口 非注解-->
    <!--<bean class="org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter"/>-->

    <!--处理器适配器2 HttpRequestHandlerAdapter，要求编写的Handler实现HttpRequestHandler接口，该方式可以设置响应的数据格式-->
    <!--<bean class="org.springframework.web.servlet.mvc.HttpRequestHandlerAdapter"/>-->

    <!--============================注解的处理器映射器和处理器适配器============================-->

    <!--注解的处理器映射器-->
    <!--<bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping"/>-->

    <!--注解的处理器适配器-->
    <!--<bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter"/>-->

    <!--使用mvc:annotation-driven不用再配置注解的处理器映射器和处理器适配器，实际开发时推荐使用该方式-->
    <mvc:annotation-driven/>

    <!--======================================================================================-->

    <!--组件扫描-->
    <context:component-scan base-package="com.yk.vote.controller"/>

    <!--视图解析器-->
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <!--<property name="prefix" value="/WEB-INF/static/"/>-->
        <property name="suffix" value=".jsp"/>
    </bean>

    <!--静态资源映射，常用于加载html、js、css、图片、视频等静态资源-->
    <mvc:resources location="/images/" mapping="/images/**"/>
    <mvc:resources location="/css/" mapping="/css/**"/>
    <mvc:resources location="/js/" mapping="/js/**"/>
    <!-- 当上面要访问的静态资源不存在与上面的配置中时，则根据此配置来访问-->
    <mvc:default-servlet-handler/>

    <!--拦截器-->
    <mvc:interceptors>
        <mvc:interceptor>
            <mvc:mapping path="/**"/>
            <bean class="com.yk.vote.interceptor.LoginAuthenticationHandlerInterceptor"></bean>
        </mvc:interceptor>
    </mvc:interceptors>

</beans>

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">

    <!--加载spring容器-->
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:spring/spring-*.xml</param-value>
    </context-param>
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>

    <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:spring/spring-mvc.xml</param-value>
        </init-param>
        <!-- tomcat启动的时候加载这个servlet 优先级，数字越小级别越高 -->
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>springmvc</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>

    <!-- 配置字符编码 -->
    <filter>
        <filter-name>characterEncodingFilter</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>characterEncodingFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>

    <welcome-file-list>
        <welcome-file>login.jsp</welcome-file>
    </welcome-file-list>
</web-app>

Name		Name	Last commit message	Last commit date
Latest commit History 10 Commits
resources		resources
src/com/yk/vote		src/com/yk/vote
test/com/yk/vote		test/com/yk/vote
web		web
.gitignore		.gitignore
README.md		README.md
vote.iml		vote.iml
vote.sql		vote.sql

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vote

导入jar包

日志和数据库配置文件

log4j.properties

db.properties

Mybatis 逆向工程生成 po 和 mapper

Mybatis 逆向工程配置文件

po 和 mapper 生成

Spring, SpringMVC, MyBatis 相关配置

mybatis-config.xml

spring-dao.xml

spring-service.xml

spring-transaction.xml

spring-mvc.xml

web.xml

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vote

导入jar包

日志和数据库配置文件

log4j.properties

db.properties

Mybatis 逆向工程生成 po 和 mapper

Mybatis 逆向工程配置文件

po 和 mapper 生成

Spring, SpringMVC, MyBatis 相关配置

mybatis-config.xml

spring-dao.xml

spring-service.xml

spring-transaction.xml

spring-mvc.xml

web.xml

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