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  • 【IntelliJ Idea】idea快速创建maven spring项目

    想试试AOP在spring的web项目上的使用情况,所以想尽快使用idea快速的搭建一个spring的web项目,当然,是maven管理的项目

    步骤如下:

     1。打开idea 左上角file--->new  --->project

    2。选择Maven项目

    好了,生成出来是下面这个狗样子

    3.好了,新建web相关目录

    建完把webapp目录设置成web的根目录,并且将web生成的web.xml文件放在WEB-INF位置下,往下看,操作就行

    完了就是下面的狗样子

    4.完善pom.xml文件

    如果你是用的默认的maven本地仓库,也就是在本地的C:Users自己PC的用户名.m2下的仓库的话,就不用更改什么,直接完善pom.xml文件。

    如果你使用了自定义的maven仓库,那需要先设置一下本项目所作用的maven的setting.xml文件。

     然后完善pom.xml文件:

    <?xml version="1.0" encoding="UTF-8"?>
    <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/xsd/maven-4.0.0.xsd">
        <modelVersion>4.0.0</modelVersion>
    
        <groupId>com.sxd</groupId>
        <artifactId>aopExample</artifactId>
        <version>1.0-SNAPSHOT</version>
    
        <properties>
            <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
            <spring.version>4.1.4.RELEASE</spring.version>
            <hibernate.version>4.3.8.Final</hibernate.version>
            <jackson.version>2.5.0</jackson.version>
    
        </properties>
    
        <dependencies>
    
            <!-- junit -->
            <dependency>
                <groupId>junit</groupId>
                <artifactId>junit</artifactId>
                <version>4.12</version>
                <scope>test</scope>
            </dependency>
    
            <!-- spring -->
            <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-tx</artifactId>
                <version>${spring.version}</version>
            </dependency>
    
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-web</artifactId>
                <version>${spring.version}</version>
            </dependency>
    
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-test</artifactId>
                <version>${spring.version}</version>
                <scope>test</scope>
            </dependency>
    
            <!-- 使用SpringMVC需配置 -->
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-webmvc</artifactId>
                <version>${spring.version}</version>
            </dependency>
            <!-- spring  cglib 代理 -->
            <dependency>
                <groupId>cglib</groupId>
                <artifactId>cglib</artifactId>
                <version>2.2.2</version>
            </dependency>
            <!-- 关系型数据库整合时需配置 如hibernate jpa等 -->
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-orm</artifactId>
                <version>${spring.version}</version>
            </dependency>
    
            <!-- hibernate -->
            <dependency>
                <groupId>org.hibernate</groupId>
                <artifactId>hibernate-core</artifactId>
                <version>${hibernate.version}</version>
            </dependency>
    
            <dependency>
                <groupId>org.hibernate</groupId>
                <artifactId>hibernate-ehcache</artifactId>
                <version>${hibernate.version}</version>
            </dependency>
    
            <!-- 二级缓存ehcache -->
            <dependency>
                <groupId>net.sf.ehcache</groupId>
                <artifactId>ehcache</artifactId>
                <version>2.9.0</version>
            </dependency>
    
            <!-- log4j -->
            <dependency>
                <groupId>log4j</groupId>
                <artifactId>log4j</artifactId>
                <version>1.2.17</version>
            </dependency>
    
            <!-- mysql连接 -->
            <dependency>
                <groupId>mysql</groupId>
                <artifactId>mysql-connector-java</artifactId>
                <version>5.1.34</version>
            </dependency>
    
            <!-- c3p0数据源 -->
            <dependency>
                <groupId>com.mchange</groupId>
                <artifactId>c3p0</artifactId>
                <version>0.9.5-pre10</version>
            </dependency>
    
            <!-- json -->
            <dependency>
                <groupId>com.alibaba</groupId>
                <artifactId>fastjson</artifactId>
                <version>1.2.3</version>
            </dependency>
    
            <dependency>
                <groupId>com.fasterxml.jackson.core</groupId>
                <artifactId>jackson-annotations</artifactId>
                <version>${jackson.version}</version>
            </dependency>
    
            <dependency>
                <groupId>com.fasterxml.jackson.core</groupId>
                <artifactId>jackson-core</artifactId>
                <version>${jackson.version}</version>
            </dependency>
    
            <dependency>
                <groupId>com.fasterxml.jackson.core</groupId>
                <artifactId>jackson-databind</artifactId>
                <version>${jackson.version}</version>
            </dependency>
    
            <!-- aop -->
            <dependency>
                <groupId>org.aspectj</groupId>
                <artifactId>aspectjweaver</artifactId>
                <version>1.8.4</version>
            </dependency>
    
            <!-- servlet -->
            <dependency>
                <groupId>javax.servlet</groupId>
                <artifactId>servlet-api</artifactId>
                <version>3.0-alpha-1</version>
                <scope>provided</scope>
            </dependency>
    
            <dependency>
                <groupId>javax.servlet</groupId>
                <artifactId>jstl</artifactId>
                <version>1.2</version>
            </dependency>
    
        </dependencies>
    </project>
    View Code

     5.接下来,是各个配置文件的配置,之前有在myecplise上配置过,配置是一样的

    可以参考:【http://www.cnblogs.com/sxdcgaq8080/p/5606827.html】

     再resources目录下,分别创建如下文件:

    config.properties

    #jdbc c3p0 config
    jdbc.driver = com.mysql.jdbc.Driver
    jdbc.url = jdbc:mysql://localhost:3306/orderdiscount?useUnicode=true&characterEncoding=utf-8
    jdbc.username = root
    jdbc.password = root
    
    #hibernate config
    hibernate.dialect = org.hibernate.dialect.MySQLDialect
    hibernate.show_sql = true
    hibernate.format_sql = false
    hibernate.hbm2ddl.auto = update
    hibernate.cache.use_second_level_cache = true
    hibernate.cache.use_query_cache = true
    hibernate.cache.region.factory_class = org.hibernate.cache.ehcache.EhCacheRegionFactory
    hibernate.cache.provider_configuration_file_resource_path =ehcache.xml
    View Code

    log4j.properties

    ### set log levels ###
    log4j.rootLogger = INFO , C , D , E 
    
    ### console ###
    log4j.appender.C = org.apache.log4j.ConsoleAppender
    log4j.appender.C.Target = System.out
    log4j.appender.C.layout = org.apache.log4j.PatternLayout
    log4j.appender.C.layout.ConversionPattern = [aopExample][%p] [%-d{yyyy-MM-dd HH:mm:ss}] %C.%M(%L) | %m%n
    
    ### log file ###
    log4j.appender.D = org.apache.log4j.DailyRollingFileAppender
    log4j.appender.D.File = ../logs/springmvc_hibernate_demo.log
    log4j.appender.D.Append = true
    log4j.appender.D.Threshold = INFO 
    log4j.appender.D.layout = org.apache.log4j.PatternLayout
    log4j.appender.D.layout.ConversionPattern = [aopExample][%p] [%-d{yyyy-MM-dd HH:mm:ss}] %C.%M(%L) | %m%n
    
    ### exception ###
    log4j.appender.E = org.apache.log4j.DailyRollingFileAppender
    log4j.appender.E.File = ../logs/aopExample_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 =[aopExample][%p] [%-d{yyyy-MM-dd HH:mm:ss}] %C.%M(%L) | %m%n
    View Code

    spring-hibernate.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:context="http://www.springframework.org/schema/context"
           xsi:schemaLocation="
            http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.1.xsd
            http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.1.xsd
            ">
    
        <!-- 自动扫描@Controller注入为bean -->
        <context:property-placeholder location="classpath:config.properties"/>
    
    
        <!-- 配置数据源 c3p0 -->
        <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"
              destroy-method="close">
            <property name="driverClass" value="${jdbc.driver}" />
            <property name="jdbcUrl" value="${jdbc.url}" />
            <property name="user" value="${jdbc.username}" />
            <property name="password" value="${jdbc.password}" />
    
            <!-- 请求超时时间 -->
            <property name="checkoutTimeout" value="30000" />
            <!-- 每60秒检查所有连接池中的空闲连接。默认值: 0,不检查 -->
            <property name="idleConnectionTestPeriod" value="30" />
            <!-- 连接数据库连接池最大空闲时间 -->
            <property name="maxIdleTime" value="30" />
            <!-- 连接池初始化连接数 -->
            <property name="initialPoolSize" value="5" />
            <property name="minPoolSize" value="5" />
            <property name="maxPoolSize" value="20" />
            <!--当连接池中的连接耗尽的时候c3p0一次同时获取的连接数。默认值: 3 -->
            <property name="acquireIncrement" value="5" />
        </bean>
    
        <!-- 配置hibernate的SessionFactory -->
        <bean id="sessionFactory"
              class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
            <!-- 注入数据源 相关信息看源码 -->
            <property name="dataSource" ref="dataSource" />
            <!-- hibernate配置信息 -->
            <property name="hibernateProperties">
                <props>
                    <prop key="hibernate.dialect">${hibernate.dialect}</prop>
                    <prop key="hibernate.show_sql">${hibernate.show_sql}</prop>
                    <prop key="hibernate.format_sql">${hibernate.format_sql}</prop>
                    <prop key="hibernate.hbm2ddl.auto">${hibernate.hbm2ddl.auto}</prop>
    
                    <!-- 开启二级缓存 ehcache -->
                    <prop key="hibernate.cache.use_second_level_cache">${hibernate.cache.use_second_level_cache}</prop>
                    <prop key="hibernate.cache.use_query_cache">${hibernate.cache.use_query_cache}</prop>
                    <prop key="hibernate.cache.region.factory_class">${hibernate.cache.region.factory_class}</prop>
                    <prop key="hibernate.cache.provider_configuration_file_resource_path">${hibernate.cache.provider_configuration_file_resource_path}
                    </prop>
                </props>
            </property>
            <!-- 扫描hibernate注解配置的entity -->
            <property name="packagesToScan" value="com.sxd.entity" />
        </bean>
    
        <!-- 配置事务管理器 -->
        <bean id="transactionManager"
              class="org.springframework.orm.hibernate4.HibernateTransactionManager">
            <property name="sessionFactory" ref="sessionFactory" />
        </bean>
    
    
    
    
    
    
    </beans>
    View Code

    ehcache.xml

    <?xml version="1.0" encoding="UTF-8"?>
    <ehcache xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../config/ehcache.xsd">
        <diskStore path="D:/ehcache" />
        <!-- DefaultCache setting. -->
        <defaultCache
                maxElementsInMemory="1000"
                eternal="false"
                timeToIdleSeconds="120"
                timeToLiveSeconds="120"
                maxElementsOnDisk="1000000"
                overflowToDisk="true"
                memoryStoreEvictionPolicy="LRU">
    
        </defaultCache>
    
        <!-- Special objects setting. -->
    
        <cache
                name="org.andy.work.entity.AcctUser"
                maxElementsInMemory="2"
                memoryStoreEvictionPolicy="LRU"
                eternal="true"
                diskPersistent="false"
                overflowToDisk="false"
                maxElementsOnDisk="1000000" />
    
    
    
    </ehcache>
    View Code

    spring-mvc.xml

    <?xml version="1.0" encoding="UTF-8"?>
    <beans xmlns="http://www.springframework.org/schema/beans"
           xmlns:mvc="http://www.springframework.org/schema/mvc"
           xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
           xmlns:context="http://www.springframework.org/schema/context"
           xmlns:tx="http://www.springframework.org/schema/tx"
           xsi:schemaLocation="
            http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.1.xsd
            http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.1.xsd
            http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.1.xsd
            http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.1.xsd">
    
        <!-- 自动扫描@Controller注入为bean -->
        <context:component-scan base-package="com.sxd" >
    
        </context:component-scan>
        <!-- 标明注解事务 -->
        <tx:annotation-driven transaction-manager="transactionManager" />
    
        <!-- 以下为SpringMVC配置 -->
        <mvc:annotation-driven>
            <!-- 返回json数据,@response使用 -->
            <mvc:message-converters register-defaults="true">
                <bean
                        class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">
                    <property name="supportedMediaTypes">
                        <list>
                            <value>text/html;charset=UTF-8</value>
                            <value>application/json;charset=UTF-8</value>
                        </list>
                    </property>
    
                </bean>
            </mvc:message-converters>
        </mvc:annotation-driven>
    
        <!-- 对模型视图名称的解析,即在模型视图名称添加前后缀 -->
        <bean
                class="org.springframework.web.servlet.view.InternalResourceViewResolver">
            <property name="viewClass"
                      value="org.springframework.web.servlet.view.JstlView" />
            <property name="prefix" value="/WEB-INF/views" />
            <property name="suffix" value=".jsp" />
        </bean>
    
    
    
    
        <!--Spring aop事务管理
        <aop:config proxy-target-class="true">
            配置切入点    指定这个aop:pointcut去引用上面规定的advice,也就是说规定下面的这个expression指定的路径下的service.impl下的所有的方法,都按照上面advice中的规定去执行,碰上什么操作,事务就是什么类型的,这就是事务管理器的好处了
            解释一下,为什么这个要指定在service层:因为在同一个事务中,可能要对多张表进行多个不同的操作,才是一个完整的逻辑,例如淘宝上买东西,你转账之后你的钱减少了,对方的钱应该增加了,这两个操作在一起才是一个完整的操作,而如果这两个操作不在一个事务中,也就是如果将事务的操作指定在Dao层【MVC的设计模式:Dao层就是对数据库进行最简单的增删改查操作,而service层是进行逻辑处理的,一个完整的逻辑处理就要涉及到多次操作】事务操作失败,发生回滚,那你的帐减少了,对方的帐并没有增加,这样就不美丽的,因此,将事务的管理,指定在了service层
            <aop:pointcut id="transactionPointcut"
                expression="execution(* com.it.service..*Impl.*(..))" />expression中表达式所指意思: 所有的文件下的 com.it.service开头的包,以Impl结尾的类下的所有的方法,都执行上面advice的规定
            指定在txAdvice切入点应用txAdvice事务增强处理
            <aop:advisor pointcut-ref="transactionPointcut"
                advice-ref="transactionAdvice" />
        </aop:config> -->
    
    </beans>
    View Code

    6.完善java中的包controller,并建立一个页面跳转MainController.java

    MainController.java

    package com.sxd.controller;
    
    import org.springframework.stereotype.Controller;
    import org.springframework.web.bind.annotation.RequestMapping;
    import org.springframework.web.bind.annotation.ResponseBody;
    
    @Controller
    public class MainController {
    
        @ResponseBody
        @RequestMapping("do")
        public String doSomething(){
            return "Just  for  what";
        }
    }
    View Code

    7.最恶心的一步,也是不同与ecplise的步骤,为本项目部署一个Tomcat

    选上自己的项目即可

     

    8.最后一步,完善web.xml文件

    <?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_3_1.xsd"
             version="3.1">
    
            <!-- web容器是web项目的大脑 -->
            <!-- 在web.xml中,执行顺序是:1.先执行listener 2。再执行filter  3.最后执行servlet 这就是执行顺序
                就像spring-hibernate.xml文件是在执行Listener的时候加载的,那注意这几个配置文件在web.xml中的加载顺序,因为资源文件是在配置文件【xml文件】中加载的,肯定是先加载的资源文件【properties文件】,才能在配置文件中调用资源文件中的变量的值使用
    
             -->
            <display-name>aopExample</display-name>
            <!-- web容器,首先需要引入spring,让spring管理各个框架,并将其注入为bean -->
            <!-- 这个相当于定一个 变量在web.xml中,在下面的listener  org.springframework.web.context.ContextLoaderListener中,加载这个spring-hibernate.xml文件 -->
            <context-param>
                <param-name>contextConfigLocation</param-name>
                <param-value>classpath:spring-hibernate.xml</param-value>
            </context-param>
            <!-- 配置控制层的filter信息 -->
            <filter>
                <filter-name>encodingFilter</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>
            <filter-mapping>
                <filter-name>encodingFilter</filter-name>
                <url-pattern>/*</url-pattern>
            </filter-mapping>
    
            <!-- openSessionInView配置 作用是延迟session关闭到view层 -->
            <filter>
                <filter-name>openSessionInViewFilter</filter-name>
                <filter-class>org.springframework.orm.hibernate4.support.OpenSessionInViewFilter</filter-class>
                <init-param>
                    <param-name>singleSession</param-name>
                    <param-value>true</param-value>
                </init-param>
            </filter>
    
            <!-- 监听servletContext,启动contextConfigLocation中的spring配置信息 -->
            <listener>
                <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
            </listener>
    
    
            <!-- 防止spring内存溢出监听器   可用可不用-->
            <listener>
                <listener-class>org.springframework.web.util.IntrospectorCleanupListener</listener-class>
            </listener>
    
    
            <!-- 类似与servlet 需要在web.xml中都需要配置一样,spring的思想是让这些servlet【controller也是servlet】继承了一个基础的servlet,那就只需在web.xml中配置一个servlet即可。 -->
            <!-- 这个servlet和下面的servlet-mapping相配合使用,注明了所有的以.htmls结尾的请求都被截取到,去到servlet中去找相对应的方法 进行处理 -->
            <servlet>
                <description>spring mvc servlet</description>
                <servlet-name>rest</servlet-name>
                <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
                <init-param>
                    <param-name>contextConfigLocation</param-name>
                    <!-- 此处配置的是SpringMVC的配置文件 -->
                    <param-value>classpath:spring-mvc.xml</param-value>
                </init-param>
                <load-on-startup>1</load-on-startup>
            </servlet>
            <!-- 配置了springmvc拦截的url为以.hmls结尾的请求 -->
            <servlet-mapping>
                <servlet-name>rest</servlet-name>
                <url-pattern>*.htmls</url-pattern>
            </servlet-mapping>
    
            <filter-mapping>
                <filter-name>openSessionInViewFilter</filter-name>
                <url-pattern>/*</url-pattern>
            </filter-mapping>
    
            <!-- 配置session超时时间,单位分钟 -->
            <session-config>
                <session-timeout>30</session-timeout>
            </session-config>
            <!-- 欢迎界面 默认的项目访问界面 -->
            <welcome-file-list>
                <welcome-file>/index.jsp</welcome-file>
            </welcome-file-list>
        </web-app>
    View Code

    9.最后,就可以启动了,启动完成之后,浏览器访问地址:

    ========================================================================================

    好啦!!!

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  • 原文地址:https://www.cnblogs.com/sxdcgaq8080/p/7979506.html
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