ssm整合

作者: 打死你的小白兔 | 来源:发表于2018-04-12 16:30 被阅读0次

aplicationContext.xml

    <!-- spring 整合,配置mybatis -->
    <bean id="sqlSessionFactory" class=" org.mybatis.spring.SqlSessionFactoryBean">
    <!--dataSource属性指定要用到的连接池-->
    <property name="dataSource" ref="dataSource"></property>
    <!-- 所有配置的mapper文件,mapperLocations不能变 -->
    <property name="mapperLocations" value="classpath*:com/hw/mapper/*Mapper.xml"></property>
    </bean>
    
    <!-- 配置bean   自动扫描所有mapper   自动给Mapper接口产生代理类对象    并且给代理对象注入SqlSessionFactory-->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
     <property name="basePackage" value="com.hw.dao"></property>
     <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>
    </bean>

springmvc.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 http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
        http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.1.xsd
        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd
        http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.1.xsd
        http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd">
    <!-- 配置扫描 -->
    <context:component-scan base-package="com.hw" />
    <!-- mvc:annotation-driven:使用mvc注解,解决406同时解决时间问题 -->
    <mvc:annotation-driven>
        <!-- 处理responseBody 里面日期类型 -->
        <mvc:message-converters>
            <bean
                class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">
                <property name="objectMapper">
                    <bean class="com.fasterxml.jackson.databind.ObjectMapper">
                        <property name="dateFormat">
                            <bean class="java.text.SimpleDateFormat">
                                <constructor-arg type="java.lang.String" value="yyyy-MM-dd HH:mm:ss" />
                            </bean>
                        </property>
                    </bean>
                </property>
            </bean>
        </mvc:message-converters>
    </mvc:annotation-driven>
    <!-- 配置视图解析器 -->
    <bean
        class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <!-- 前缀 -->
        <property name="prefix" value="/WEB-INF/per/"></property>
        <!-- 后缀 -->
        <property name="suffix" value=".jsp"></property>
    </bean>
    <!-- 配置spring mvc上传图片大小,multipartResolver名不能改 -->
    <bean id="multipartResolver"
        class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
    <property name="maxUploadSize" value="104857600"></property>
    </bean>
</beans>

mybiatis-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mysql数据库的连接环境 -->
    <environments default="mybatis"><!-- 默认名可以任意,但要和其下的id一致 -->
        <environment id="mybatis">
            <!-- JDBC - 这个类型直接全部使用 JDBC 的提交和回滚功能。它依靠使用连接的数据源来管理事务的作用域。 MANAGED - 这个类型什么不做 
                , 它从不提交 、 回滚和关闭连接 。 而是让窗口来管理事务的全部生命周期 。(比如说 Spring 或者 JAVAEE 服务器) -->
            <transactionManager type="JDBC"></transactionManager><!-- 
                一般用JDBC -->
            <dataSource type="POOLED"><!-- 一般用POOLED -->
                <!-- 据源类型有三种: UNPOOLED , POOLED , JNDI 。 UNPOOLED - 这个数据源实现只是在每次请求的时候简单的打开和关闭一个连接。虽然这有点慢,但作为一些不需要性能和立即响应的简单应用来说 
                    , 不失为一种好选择 。 POOLED - 这个数据源缓存 JDBC 连接对象用于避免每次都要连接和生成连接实例而需要的验证时间 。对于并发 WEB 
                    应用,这种方式非常流行因为它有最快的响应时间。 JNDI - 这个数据源实现是为了准备和 Spring 或应用服务一起使用,可以在外部也可以在内部配置这个数据源,然后在 
                    JNDI 上下文中引用它。这个数据源配置只需要两上属性: -->
                <property name="driver" value="com.mysql.jdbc.Driver" />
                <property name="url"
                    value="jdbc:mysql://localhost:3306/qq?characterEncoding=utf-8" />
                <property name="username" value="root" />
                <property name="password" value="root" />
            </dataSource>
        </environment>
    </environments>
    <!-- 配置映射文件 -->
    <mappers>
        <mapper resource="com/hw/mapper/UserDaoMapper.xml"/>
        <mapper resource="com/hw/mapper/DeptDaoMapper.xml"/>
        <mapper resource="com/hw/mapper/PersonDaoMapper.xml"/>
    </mappers>
</configuration>

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">
    <!-- 配置spring -->
    <listener>
    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>
    <!-- 如果applicationContext.xml不在web-info下则要配置 -->
    <context-param>
    <param-name>contextConfigLocation</param-name><!--contextConfigLocation名不能改 -->
    <param-value>classpath:config/applicationContext.xml</param-value>
    </context-param>
    <!-- 配置spring mvc -->
    <servlet>
        <servlet-name>springmvc</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <!-- 如果qq-servlet.xml放在web-info文件夹下则不用配置,contextConfigLocation名不能改 -->
        <init-param>
        <param-name>contextConfigLocation</param-name> 
        <param-value>classpath:config/qq-servlet.xml</param-value>
        </init-param>
    </servlet>
    <servlet-mapping>
        <servlet-name>springmvc</servlet-name>
        <url-pattern>*.do</url-pattern><!-- 是spring mvc开发习惯要.do结尾,struts要用.action -->
    </servlet-mapping>
    <!-- spring mvc处理乱码 -->
    <filter>
    <filter-name>bm</filter-name>
    <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
    <!-- 设置编码参数 -->
    <init-param>
    <param-name>encoding</param-name><!--encoding不能变  -->
    <param-value>utf-8</param-value>
    </init-param>
    </filter>
    <filter-mapping>
    <filter-name>bm</filter-name>
    <url-pattern>/*</url-pattern>
    </filter-mapping>
    <display-name></display-name>
    <welcome-file-list>
        <welcome-file>index.jsp</welcome-file>
    </welcome-file-list>
</web-app>

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命名空间如果和spring整合时要用接口全类名 -->
<mapper namespace="com.hw.dao.UserDao">
    <resultMap type="com.hw.entity.User" id="userinfo">
        <result column="id" property="id"/>
        <result column="uname" property="uname"/><!--column和property不能省  -->
        <result column="pwd" property="pwd"/>
        
    </resultMap>
    <insert id="saveUser"   parameterType="com.hw.entity.User"><!-- parameterType参数类型 -->
        insert into tab_user values(null,#{uname},#{pwd},#{js});
    </insert>
    
    <delete id="delUser" parameterType="int"><!-- 删除单个 -->
        delete from tab_user where id=#{id}
    </delete>
    
    <delete id="delAllUser" parameterType="string"><!--删除多个 -->
        delete from tab_user where id in
        <foreach collection="array" item="id" open="(" close=")"
            separator=",">
            #{id}
        </foreach>
    </delete>
    
    <update id="updateUser" parameterType="com.hw.entity.User">
        update tab_user
        <set>
            <choose>
                <when test="uname!=null">
                    uname=#{uname}
                </when>
                <when test="pwd!=null">
                    pwd=#{pwd}
                </when>
                <when test="js!=null">
                    js=#{js}
                </when>
            </choose>
        </set>
        where id=#{id}
    </update>
    
    <select id="list"  resultMap="userinfo">
    <!-- resultType="com.hw.entity.User"返回结果类型,也可以用 resultMap="userinfo" -->
        select * from tab_user
    </select>
    
    <select id="getUser" resultType="com.hw.entity.User"
        parameterType="int">
        select * from tab_user where id=#{id}
    </select>
    
    <select id="getCountUser" resultType="int">
        select count(id) from
        tab_user
    </select>
    
    <select id="ListPage" resultMap="userinfo"
        parameterType="map">
        <!-- 如果开发模糊查询时用#则调用 时需要:map.put("uname", "%张%");map.put("js", "%管理员%"); 
            select * from tab_user where uname like #{uname} and js like #{js} limit 
            #{start},#{end} -->
        select * from tab_user where 1=1
        <if test="uname!=null">
            and uname like '%${uname}%'
        </if>
        <if test="js!=null">
            and js like '%${js}%'
        </if>
        order by id desc limit #{start},#{end}
    </select>
    
    <select id="getCountListUser" parameterType="map" resultType="int">
        select count(id) from tab_user where 1=1
        <if test="uname!=null">
            and uname like '%${uname}%'
        </if>
        <if test="js!=null">
            and js like '%${js}%'
        </if>
    </select>

</mapper>

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