Maven创建项目
略…
具体过程可参考用Maven创建第一个web项目
配置Spring MVC
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导入Spring MVC 需要的包
在pom.xml 文件下加入:1
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12<!-- spring mvc begin -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>3.2.6.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context-support</artifactId>
<version>3.2.6.RELEASE</version>
</dependency>
<!-- spring mvc end --> -
添加baseweb-servlet.xml文件
在WEB-INF 目录下 添加baseweb-servlet.xml
文件,启用注解和添加自动包扫描1
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5<!-- 启用springmvc注解 -->
<context:annotation-config />
<!-- 配置扫描路径 -->
<context:component-scan base-package="net.admol.baseweb"></context:component-scan>
更多详细可参考使用springMVC实现简单的登录例子
添加Velocity
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在pom.xml 文件下加入:
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12<!-- velocity begin -->
<dependency>
<groupId>org.apache.velocity</groupId>
<artifactId>velocity</artifactId>
<version>1.6.2</version>
</dependency>
<dependency>
<groupId>org.apache.velocity</groupId>
<artifactId>velocity-tools</artifactId>
<version>1.3</version>
</dependency>
<!-- velocity end --> -
在
baseweb-servlet.xml
文件加入velocity配置:1
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36<!-- velocity view config -->
<bean id="velocityViewResolver"
class="org.springframework.web.servlet.view.velocity.VelocityLayoutViewResolver">
<property name="cache" value="true" />
<property name="exposeSpringMacroHelpers" value="true" />
<property name="requestContextAttribute" value="true" />
<property name="exposeSessionAttributes" value="true" />
<property name="prefix" value=""></property>
<property name="order" value="1"></property>
<property name="allowSessionOverride" value="true"></property>
<property name="viewNames">
<list>
<value>*.vm</value>
<value>*.htm</value>
</list>
</property>
<property name="contentType" value="text/html; charset=UTF-8"></property>
<property name="toolboxConfigLocation" value="/WEB-INF/config/velocity-toolbox.xml"></property>
<property name="viewClass"
value="org.springframework.web.servlet.view.velocity.VelocityLayoutView" />
<property name="layoutUrl" value="layout/layout.vm" />
</bean>
<bean id="velocityConfig"
class="org.springframework.web.servlet.view.velocity.VelocityConfigurer">
<property name="resourceLoaderPath" value="/WEB-INF/velocity/" />
<property name="velocityProperties">
<props>
<prop key="input.encoding">UTF-8</prop>
<prop key="output.encoding">UTF-8</prop>
<prop key="parser.pool.size">100</prop>
<prop key="velocimacro.library">macros/macros.vm</prop>
<prop key="velocimacro.library.autoreload">true</prop>
</props>
</property>
</bean> -
添加 velocity-toolbox.xml 文件
在/src/main/webapp/WEB-INF
目录下添加一个config
目录,在config
下添加一个名为velocity-toolbox.xml
的文件:1
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8<?xml version="1.0"?>
<toolbox>
<tool>
<key>dateTool</key>
<scope>request</scope>
<class>org.apache.velocity.tools.generic.DateTool</class>
</tool>
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添加layout.vm
在/src/main/webapp/WEB-INF
目录下添加一个velocity
目录,velocity
目下添加一个layout
目录,目录下新建一个layout.vm
文件,内容如:1
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14<!DOCTYPE HTML>
<html>
<head>
<meta charset="UTF-8">
<title>admol</title>
</head>
<body class="warp">
<div class="container">
<div class="content">
${screen_content}
</div>
</div>
</body>
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配置macros.vm(非必须)
在/WEB-INF/velocity/macros/
目录添加macros.vm
文件 -
测试
Test.java1
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8@Controller
public class Test {
@RequestMapping(value = "/test.htm")
public String test(ModelMap mdelMap) {
mdelMap.addAttribute("test", "hello , this is velocity!");
return "/testView/testVelocity.vm";
}
}编写页面
新建/velocity/testView/testVelocity.vm
页面:1
$!test
https://github.com/mybatis/generator/releases
整合Mybatis
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引入包
在pom.xml文件加入:1
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30<!-- mysql -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.31</version>
</dependency>
<!-- mybatis -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.2.2</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.2.0</version>
</dependency>
<dependency>
<groupId>commons-dbcp</groupId>
<artifactId>commons-dbcp</artifactId>
<version>1.2</version>
</dependency>
<!-- spring jdbc -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>3.2.6.RELEASE</version>
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准备数据库
创建一个名为demo
的数据库1
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9<!-- 创建表 -->
CREATE TABLE `user` (
`id` varchar(32) NOT NULL,
`user_id` varchar(32) NOT NULL,
`user_name` varchar(64) NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
<!-- 插入测试数据 -->
INSERT INTO `user` VALUES ('1', '1000', 'admol'); -
添加配置文件
在/src/main/resources
下新建folder :spring
,新建spring-dao.xml
配置文件:1
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42<?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:tx="http://www.springframework.org/schema/tx" xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-3.1.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-3.0.xsd"
default-autowire="byName">
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"
destroy-method="close">
<property name="driverClassName" value="com.mysql.jdbc.Driver" />
<property name="url" value="jdbc:mysql://127.0.0.1:3306/demo" />
<property name="username" value="test" />
<property name="password" value="123456" />
<!-- 初始化连接大小 -->
<property name="initialSize" value="5"></property>
<!-- 连接池最大数量 -->
<property name="maxActive" value="20"></property>
<!-- 连接池最大空闲 -->
<property name="maxIdle" value="20"></property>
<!-- 连接池最小空闲 -->
<property name="minIdle" value="1"></property>
<!-- 获取连接最大等待时间 -->
<property name="maxWait" value="60000"></property>
</bean>
<!-- spring和MyBatis完美整合,不需要mybatis的配置映射文件 -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource" />
<!-- 自动扫描mapper.xml文件 -->
<property name="mapperLocations" value="classpath:sqlmap/*.xml"></property>
</bean>
<!-- DAO接口所在包名,Spring会自动查找其下的类 -->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="net.admol.baseweb.dal.dao" />
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>
</bean>
</beans>在web.xml加入:
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9<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>
classpath*:spring/*.xml
</param-value>
</context-param> -
生成do、DAO、Mapping
在/src/main/resources
下新建folder :sqlmap
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新建包net.admol.baseweb.dal.dao
和net.admol.baseweb.dal.dateobject
配置Mybatis-generator.xml
点击查看代码
下载相应包:mybatis-generator-core-1.3.2.jar
和mysql-connector-java-5.1.31.jar
并与generatorConfig.xml
文件位于同一目录下,
然后执行命令java -jar mybatis-generator-core-x.x.x.jar -configfile generatorConfig.xml -overwrite
更多命令使用 -
测试
修改Test.java
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20@Controller
public class Test {
@Autowired
private UserMapper userMapper;
@RequestMapping(value = "/test.htm")
public String test(ModelMap mdelMap) {
mdelMap.addAttribute("test", "hello , this is velocity!!!");
testDB(mdelMap);
return "/testView/testVelocity.vm";
}
public void testDB(ModelMap mdelMap) {
UserExample ss = new UserExample();
ss.createCriteria().andUserIdEqualTo("1000");
List<User> list = userMapper.selectByExample(ss);
mdelMap.addAttribute("list", list);
System.out.println("测试结果size:" + list.size());
}
}
修改 testVelocity.vm
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$!test |
启动romcat,输入http://localhost:8080/baseweb/test.htm
,测试结果:整合Mybatis测试结果
成功访问数据库!