补充1-SSM小框架

作者: wshsdm | 来源:发表于2019-08-26 16:35 被阅读0次

1 创建war类型maven项目并加载web配置文件，导入对应库

<properties>
        <spring.version>4.3.18.RELEASE</spring.version>
        <mybatis.version>3.4.6</mybatis.version>
        <mysql.version>5.1.38</mysql.version>
        <springmybatis.version>2.0.1</springmybatis.version>
        <druid.version>1.1.16</druid.version>
        <junit.version>4.12</junit.version>
        <aspectj.version>1.9.4</aspectj.version>
        <jspapi.version>2.2</jspapi.version>
        <servletapi.version>4.0.1</servletapi.version>
        <jstl.version>1.2</jstl.version>
    </properties>
   <!--导入依赖库-->
  <dependencies>
        <!--spring 基本库 -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-beans</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-test</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <!-- 数据连接部分 -->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid</artifactId>
            <version>${druid.version}</version>
        </dependency>
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>${mysql.version}</version>
        </dependency>
        <!-- mybatis和spring-mybatis部分 -->
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
            <version>${mybatis.version}</version>
        </dependency>
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis-spring</artifactId>
            <version>${springmybatis.version}</version>
        </dependency>
        <!-- spring 事务处理库和spring aop -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-aop</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.aspectj</groupId>
            <artifactId>aspectjweaver</artifactId>
            <version>${aspectj.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-tx</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <!-- spring测试库 -->
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>${junit.version}</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-test</artifactId>
            <version>${spring.version}</version>
        </dependency>
             <!-- springmvc -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-web</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>${spring.version}</version>
        </dependency>

        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>javax.servlet-api</artifactId>
            <version>${servletapi.version}</version>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupId>javax.servlet.jsp</groupId>
            <artifactId>jsp-api</artifactId>
            <version>${jspapi.version}</version>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>jstl</artifactId>
            <version>${jstl.version}</version>
        </dependency>
    </dependencies>
<!-- 运行web项目的tomcat插件 -->
    <build>
      <plugins>
        <plugin>
            <groupId>org.apache.tomcat.maven</groupId>
            <artifactId>tomcat7-maven-plugin</artifactId>
            <version>2.2</version>
                <configuration>
                    <port>9090</port>
                    <path>/</path>
                    <uriEncoding>UTF-8</uriEncoding>
                    <!-- <finalName>mgr</finalName> -->
                    <server>tomcat7</server>
                </configuration>
            </plugin>
      </plugins>
    </build>

2 创建对应表的实体类

package com.demo.po;
//javaBean
public class Tab_topic {
    private Integer tid;
    private String tname;
    private String bak;

    public Integer getTid() {
        return tid;
    }

    public void setTid(Integer tid) {
        this.tid = tid;
    }

    public String getTname() {
        return tname;
    }

    public void setTname(String tname) {
        this.tname = tname;
    }

    public String getBak() {
        return bak;
    }

    public void setBak(String bak) {
        this.bak = bak;
    }
}

3 编写连接数据库的属性文件 src/main/resources/db.properties

jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/smartdb?characterEncoding=utf-8
jdbc.user=root
jdbc.password=root

4 编写spring-mybatis配置 src/main/resources/spring-dao.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:context="http://www.springframework.org/schema/context"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    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">
    <!-- 00 通过上下引用自定义属性文件 -->
    <context:property-placeholder
        location="db.properties" />
    <!-- 01 配置druid连接池对象 -->
    <bean id="ds"
        class="com.alibaba.druid.pool.DruidDataSource" init-method="init"
        destroy-method="close">
        <property name="driverClassName" value="${jdbc.driver}" />
        <property name="url" value="${jdbc.url}" />
        <property name="username" value="${jdbc.user}" />
        <property name="password" value="${jdbc.password}" />
        <property name="filters" value="stat" />
        <property name="maxActive" value="20" />
        <property name="initialSize" value="1" />
        <property name="maxWait" value="60000" />
        <property name="minIdle" value="1" />
        <property name="timeBetweenEvictionRunsMillis" value="60000" />
        <property name="minEvictableIdleTimeMillis" value="300000" />
        <property name="validationQuery" value="SELECT 'x'" />
        <property name="testWhileIdle" value="true" />
        <property name="testOnBorrow" value="false" />
        <property name="testOnReturn" value="false" />
        <property name="poolPreparedStatements" value="true" />
        <property name="maxPoolPreparedStatementPerConnectionSize"
            value="50" />
    </bean>
    <!-- 02 spring mybatis结合的SqlSessionFactoryBean -->
    <bean id="sf" class="org.mybatis.spring.SqlSessionFactoryBean">
      <property name="dataSource" ref="ds"></property>
      <!-- mapperLocations属性对应mybatis的操作映射配置文件路径 -->
      <property name="mapperLocations" value="classpath:com/demo/mapper/*.xml"></property>
      <!-- 通过typeAliasesPackage属性配置实体类对应包名 -->
      <property name="typeAliasesPackage" value="com.demo.po"></property>
    </bean>
    <!-- 03 配置mybatis操作映射接口 -->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
       <property name="basePackage" value="com.demo.dao" />
       <property name="sqlSessionFactoryBeanName" value="sf" />
   </bean>
</beans>

5 编写mybatis操作接口 com.demo.dao.ITopicDao.java

package com.demo.dao;

import java.util.List;
import com.demo.po.Tab_topic;

public interface ITopicDao {
  public int update(Tab_topic po);
  public List<Tab_topic> findall();
}

6 编写mybatis接口对应操作映射文件 com/demo/mapper/topic.mapper.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">
<!-- namespace设置操作接口的全路径
public interface ITopicDao {
  public int update(Tab_topic po);
  public List<Tab_topic> findall();
}
 -->
<mapper namespace="com.demo.dao.ITopicDao">
 <update id="update" parameterType="tab_topic">
   update tab_topic set tname=#{tname} where tid=#{tid}
 </update>
 <select id="findall" resultType="tab_topic">
   select * from tab_topic
 </select>
</mapper>

7 编写对应业务和事务管理配置文件 src/main/resouces/spring-service.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:context="http://www.springframework.org/schema/context"
    xmlns:aop="http://www.springframework.org/schema/aop"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    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/aop
        https://www.springframework.org/schema/aop/spring-aop.xsd">
        <!-- 扫描所有的业务bean所在的路径 -->
        <context:component-scan base-package="com.demo.service"></context:component-scan>
</beans>

稍后加上事务处理部分

8 编写业务bean

package com.demo.service;

import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import com.demo.dao.ITopicDao;
import com.demo.po.Tab_topic;

@Service
public class TopicService {
//  注入dao对象
    @Autowired
    private ITopicDao dao;
    
    public int update(Tab_topic po) {
        return dao.update(po);
    }
    public List<Tab_topic> findall(){
        return dao.findall();
    }
}

9 编写测试业务的类 src/test/java/MTest.java

package com.demo;

import java.util.List;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

import com.demo.po.Tab_topic;
import com.demo.service.TopicService;
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration({"classpath:spring-dao.xml","classpath:spring-service.xml"})
public class MTest {
//  注入测试的业务bean
    @Autowired
    private TopicService topser;
    
    @Test
    public void update() {
        Tab_topic po=new Tab_topic();
        po.setTid(3);
        po.setTname("女裙");      
        
        topser.update(po);
    }
    @Test
    public void query() {
        List<Tab_topic> li=topser.findall();
        for (Tab_topic t : li) {
            System.out.println(t.getTid()+","+t.getTname());
        }
    }
}

10 在web项目中创建spring-mvc的配置文件, src/main/resources/springweb.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:context="http://www.springframework.org/schema/context"
    xmlns:mvc="http://www.springframework.org/schema/mvc"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    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/mvc
        https://www.springframework.org/schema/mvc/spring-mvc.xsd">
        <!-- 1 配置扫描自定义控制器所在包 -->
   <context:component-scan base-package="com.demo.ctl"></context:component-scan> 
   <!-- 2 当前web项目支持springmvc注解方式的配置 -->
   <mvc:annotation-driven></mvc:annotation-driven>   
   <!-- 3 针对静态资源如 图片，html页面，js，css等 不执行springmvc --> 
   <mvc:default-servlet-handler/>
   <!-- 4 配置在springmvc中调整资源规范
   InternalResourceViewResolver对象针对springmvc跳转功能，
           通过prefix属性，设置统一的页面路径;
    通过suffix属性，识别页面资源的扩展名 
    -->
   <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
     <property name="prefix" value="/WEB-INF/pager/"></property>
     <property name="suffix" value=".jsp"></property>
   </bean>
</beans>

11 在web.xml文件配置spring-mvc框架

 <!-- 00 为springweb监听器提供配置位置-->
  <context-param>
     <param-name>contextConfigLocation</param-name>
     <param-value>classpath:spring-*.xml</param-value>
  </context-param>
  <!-- 01 通过springweb提供监听器 加载 springweb的上下文 -->
  <listener>
    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
  </listener>
 
   <!-- 02 在web启动中配置spring mvc DispatcherServlet(springmvc前端控制器)-->
   <servlet>
     <servlet-name>xx</servlet-name>
     <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
     <init-param>
       <param-name>contextConfigLocation</param-name>
       <param-value>classpath:springweb.xml</param-value>
     </init-param>
   </servlet>
   <servlet-mapping>
      <servlet-name>xx</servlet-name>
      <url-pattern>/</url-pattern>
   </servlet-mapping>

补充1-SSM小框架

1 创建war类型maven项目并加载web配置文件，导入对应库

2 创建对应表的实体类

3 编写连接数据库的属性文件 src/main/resources/db.properties

4 编写spring-mybatis配置 src/main/resources/spring-dao.xml

5 编写mybatis操作接口 com.demo.dao.ITopicDao.java

6 编写mybatis接口对应操作映射文件 com/demo/mapper/topic.mapper.xml

7 编写对应业务和事务管理配置文件 src/main/resouces/spring-service.xml

8 编写业务bean

9 编写测试业务的类 src/test/java/MTest.java

10 在web项目中创建spring-mvc的配置文件, src/main/resources/springweb.xml

11 在web.xml文件配置spring-mvc框架

12 在对应控制器所在包下自定义控制器类

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