freemarker + spring mvc + spring + mybatis + mysql + maven项目搭建

今天说说搭建项目，使用freemarker + spring mvc + spring + mybatis + mysql + maven搭建web项目。

先假设您已经配置好eclipse的maven，创建好一个maven的web项目--Demo。我这里是jdk1.7，tomcat7。

修改pom.xml如下：

<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/maven-v4_0_0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <groupId>com.service</groupId>
    <artifactId>Demo</artifactId>
    <packaging>war</packaging>
    <version>0.0.1-SNAPSHOT</version>
    <name>Demo Maven Webapp</name>
    <url>http://maven.apache.org</url>
    <properties>
        <spring.version>4.0.7.RELEASE</spring.version>
    </properties>
    <dependencies>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>3.8.1</version>
            <scope>test</scope>
        </dependency>
        <!-- 第三方依赖 -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-orm</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context-support</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
            <version>3.1.1</version>
        </dependency>
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis-spring</artifactId>
            <version>1.2.0</version>
        </dependency>
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.6</version>
        </dependency>
        <dependency>
            <groupId>org.freemarker</groupId>
            <artifactId>freemarker</artifactId>
            <version>2.3.20</version>
        </dependency>
        <dependency>
            <groupId>log4j</groupId>
            <artifactId>log4j</artifactId>
            <version>1.2.7</version>
        </dependency>
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>javax.servlet-api</artifactId>
            <version>3.1.0</version>
        </dependency>
        <dependency>
            <groupId>c3p0</groupId>
            <artifactId>c3p0</artifactId>
            <version>0.9.1.2</version>
        </dependency>
    </dependencies>
    <build>
        <finalName>Demo</finalName>
    </build>
</project>

接下来配置web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
    http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">

    <display-name>Demo</display-name>

    <!-- 定义Spring配置文件位置 -->
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:config/spring/*-context.xml</param-value>
    </context-param>

    <!-- Spring 配置 -->
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>

    <!-- CharacterEncodingFilter configuration -->
    <filter>
        <display-name>CharacterEncodingFilter</display-name>
        <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>
        <init-param>
            <param-name>forceEncoding</param-name>
            <param-value>true</param-value>
        </init-param>
    </filter>

    <!-- Spring MVC 框架 -->
    <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:config/spring/mvc-context.xml</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>springmvc</servlet-name>
        <url-pattern>*.html</url-pattern>
    </servlet-mapping>

    <!--Spring log4j Config loader -->
    <listener>
        <listener-class>org.springframework.web.util.Log4jConfigListener</listener-class>
    </listener>
    <context-param>
        <param-name>log4jConfigLocation</param-name>
        <param-value>classpath:log4j.properties</param-value>
    </context-param>
    <context-param>
        <param-name>log4jRefreshInterval</param-name>
        <param-value>60000</param-value>
    </context-param>

    <welcome-file-list>
        <welcome-file>/index.html</welcome-file>
    </welcome-file-list>

</web-app>

首先配置一下log4j，在src/main/resource/包下新建文件log4j.properties

#
# Log4J Settings for log4j 1.2.x (via jakarta-commons-logging)
#
# The five logging levels used by Log are (in order):
#
#   1. DEBUG (the least serious)
#   2. INFO
#   3. WARN
#   4. ERROR
#   5. FATAL (the most serious)
# Set root logger level to INFO and append to stdout
log4j.rootLogger=INFO,stdout,file

## test print console
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=[%p]%-d{yyyy-MM-dd HH\:mm\:ss}[%c\:%L] %m%n 

log4j.appender.file=org.apache.log4j.DailyRollingFileAppender
log4j.appender.file.File=/logs/demo.log
log4j.appender.file.DatePattern=‘.‘yyyy-MM-dd
log4j.appender.file.layout=org.apache.log4j.PatternLayout
log4j.appender.file.layout.ConversionPattern=[%p]%-d{yyyy-MM-dd HH\:mm\:ss}[%c\:%L] %m%n

接下来配置sping，按照web.xml的配置，在src/main/resource/包下新建目录config，在config目录下新建spring目录，在spring目录下新建文件application-context.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:p="http://www.springframework.org/schema/p"
    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/aop
    http://www.springframework.org/schema/aop/spring-aop-4.0.xsd
    http://www.springframework.org/schema/context
    http://www.springframework.org/schema/context/spring-context-4.0.xsd
    http://www.springframework.org/schema/tx
    http://www.springframework.org/schema/tx/spring-tx-4.0.xsd
    http://www.springframework.org/schema/beans
    http://www.springframework.org/schema/beans/spring-beans-4.0.xsd">
    <!-- 注解探测器 -->
    <context:component-scan base-package="com.service" />
    <!-- 读取配置文件 -->
    <context:property-placeholder
        location="classpath:config/base/datasource.properties"
        ignore-unresolvable="true" />
    <!-- 数据源 -->
    <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"
        destroy-method="close">
        <!-- 指定连接数据库的驱动 -->
        <property name="driverClass" value="${database.driverClassName}" />
        <property name="jdbcUrl" value="${database.url}" />
        <property name="user" value="${database.username}" />
        <property name="password" value="${database.password}" />
        <!-- 指定连接数据库连接池的最大连接数 -->
        <property name="maxPoolSize" value="${pool.maxPoolSize}" />
        <!-- 指定连接数据库连接池的最小连接数 -->
        <property name="minPoolSize" value="${pool.minPoolSize}" />
        <!-- 指定连接数据库连接池的初始化连接数 -->
        <property name="initialPoolSize" value="${pool.initialPoolSize}" />
        <!-- 指定连接数据库连接池的连接的最大空闲时间 -->
        <property name="maxIdleTime" value="${pool.maxIdleTime}" />
        <!-- 连接关闭时默认将所有未提交的操作回滚。默认：false -->
        <property name="autoCommitOnClose" value="${pool.autoCommitOnClose}" />
        <!-- 当连接用完时，等待获取新的连接，超时后将抛出SQLException,如果设置为0，则无限等待，单位毫秒，默认：0 -->
        <property name="checkoutTimeout" value="${pool.checkoutTimeout}" />
        <property name="acquireIncrement" value="${pool.acquireIncrement}" />
        <property name="acquireRetryAttempts" value="${pool.acquireRetryAttempts}" />
    </bean>
    <!-- factory -->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="mapperLocations" value="classpath:com/service/dao/*Mapper.xml" />
        <property name="dataSource" ref="dataSource" />
    </bean>

    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="annotationClass" value="org.springframework.stereotype.Repository" />
        <property name="basePackage" value="com.service.dao" />
    </bean>

</beans>

在同样这个目录下配置spring mvc，新建文件mvc-context.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"
    xmlns:task="http://www.springframework.org/schema/task"
    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
        http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd
        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd
        http://www.springframework.org/schema/task http://www.springframework.org/schema/task/spring-task-4.0.xsd">
    <!-- 框架控制层 controller -->
    <!-- 注解探测器 -->
    <context:component-scan base-package="com.service.controller" />
    <mvc:annotation-driven />

    <!-- freemarker做为视图 -->
    <bean id="freemarkerConfig"
        class="org.springframework.web.servlet.view.freemarker.FreeMarkerConfigurer">
        <!--视图资源位置 -->
        <property name="templateLoaderPath" value="/WEB-INF/page/" />
        <property name="defaultEncoding" value="UTF-8" />
        <property name="freemarkerSettings">
            <props>
                <prop key="template_update_delay">0</prop><!-- 模板更新延时 -->
                <prop key="classic_compatible">true</prop>
                <prop key="locale">zh_CN</prop>
                <prop key="default_encoding">UTF-8</prop>
                <prop key="number_format">0.######</prop>
            </props>
        </property>
        <!-- 全局变量部分 -->
        <property name="freemarkerVariables">
            <map>
                <entry key="BasePath" value="${basePathWebUrl}" />
                <entry key="resourcePath" value="${resourcePathWebSite}" />
                <entry key="jsResourcePath" value="${jsPathWebSite}" />
            </map>
        </property>
    </bean>
    <!-- Freemarker配置 -->
    <bean id="ftlviewResolver"
        class="org.springframework.web.servlet.view.freemarker.FreeMarkerViewResolver">
        <property name="viewClass"
            value="org.springframework.web.servlet.view.freemarker.FreeMarkerView" />
        <property name="contentType" value="text/html;charset=UTF-8" />
        <property name="cache" value="true" />
        <property name="suffix" value=".html"></property>
    </bean>
</beans>

同样在src/main/resource/config/目录下，新建base目录，新建一个数据库配置文件datasource.properties

#Dstandard_test
database.driverClassName=com.mysql.jdbc.Driver
database.url=jdbc:mysql://127.0.0.1/demo?useUnicode=true&characterEncoding=UTF8&zeroDateTimeBehavior=convertToNull
database.username=root
database.password=123456
pool.maxPoolSize=25
pool.minPoolSize=3
pool.initialPoolSize=3
pool.maxIdleTime=180
pool.checkoutTimeout=10000
pool.acquireIncrement=3
pool.acquireRetryAttempts=10
pool.autoCommitOnClose=true

在本地安装好mysql数据库，创建一个数据库demo，新建一张表t_demo，两个字段demoid，demoname，并插入几条数据

CREATE TABLE `t_demo` (
  `demoid` int(11) NOT NULL AUTO_INCREMENT,
  `demoname` varchar(255) DEFAULT NULL,
  PRIMARY KEY (`demoid`)
) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=utf8;

在src/main/java/目录下新建包com.service.controller用来写控制器层代码。新建com.service.service写service层代码，com.service.dao写dao层代码，com.service.entity写实体类，代码分别如下：DemoController.java

package com.service.controller;

import java.util.List;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.log4j.Logger;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.RequestMapping;

import com.service.entity.DemoEntity;
import com.service.service.DemoService;

@Controller
public class DemoController {
    public static final Logger logger = Logger.getLogger(DemoController.class);
    @Resource
    private DemoService demoService;

    /**
     * 首页
     *
     * @param request
     * @param response
     * @param model
     * @return
     */
    @RequestMapping("/index.html")
    public String index(HttpServletRequest request, HttpServletResponse response, ModelMap model) {
        logger.info(" " + " " + " 获取到数据");
        List<DemoEntity> demoList = demoService.getDemoList();
        model.put("demoList", demoList);
        return "index";
    }
}

DemoService.java接口

package com.service.service;

import java.util.List;

import com.service.entity.DemoEntity;

public interface DemoService {
    public List<DemoEntity> getDemoList();
}

DemoServiceImpl.java实现类

package com.service.service;

import java.util.List;

import javax.annotation.Resource;

import org.apache.log4j.Logger;
import org.springframework.stereotype.Service;

import com.service.dao.DemoDao;
import com.service.entity.DemoEntity;
@Service
public class DemoServiceImpl implements DemoService {
    public static final Logger logger = Logger.getLogger(DemoServiceImpl.class);
    @Resource
    private DemoDao demoDao;
    @Override
    public List<DemoEntity> getDemoList() {
        logger.info("service test");
        List<DemoEntity> demoList = demoDao.getDemoList();
        return demoList;
    }
}

DemoDao.java接口

package com.service.dao;

import java.util.List;

import org.springframework.stereotype.Repository;

import com.service.entity.DemoEntity;

@Repository
public interface DemoDao {

    public List<DemoEntity> getDemoList();
}

DemoEntity.java实体类

package com.service.entity;

public class DemoEntity {

    private String demoId;
    private String demoName;
    public String getDemoId() {
        return demoId;
    }
    public void setDemoId(String demoId) {
        this.demoId = demoId;
    }
    public String getDemoName() {
        return demoName;
    }
    public void setDemoName(String demoName) {
        this.demoName = demoName;
    }
}

在src/main/resource下新建目录com，在com目录下新建目录service，再在service下新建目录dao，然后就新建文件DemoMapper.xml，代码如下

<?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">
<mapper namespace="com.service.dao.DemoDao">
    <sql id="tableName">t_demo</sql>
    <resultMap id="BaseResultMap" type="com.service.entity.DemoEntity">
        <id column="demoid" property="demoId" />
        <result column="demoname" property="demoName" />
    </resultMap>

    <!-- 统计总问题数 -->
    <select id="getDemoList" resultMap="BaseResultMap">
        select t1.demoid,t1.demoname
        from t_demo t1
        order by t1.demoid desc
    </select>
</mapper>

到此，现在需要完成数据的展示部分，在WEB-INF目录下新建文件夹page，在page下新建文件index.html

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
    this is freemarker html! <br>
    <#if demoList??&&(demoList?size>0)>
        <#list demoList as list>
            ${list.demoId}--${list.demoName}<br>
        </#list>
    <#else> 暂无 </#if>
</body>
</html>

项目整体结构如下图

运行过后，结果如下

自此，项目搭建完成了。

希望能一起交流学习java，java技术交流QQ群:485731690

时间： 2024-10-11 06:15:09

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