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2021-07-05
目录

基于注解构建项目

# 传统基于xml配置项目

# web.xml

<web-app 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_3_0.xsd"
         version="3.0">
	<display-name>Archetype Created Web Application</display-name>

    <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>
    </filter>
    <filter-mapping>
        <filter-name>encodingFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>

    <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:spring-mvc.xml</param-value>
        </init-param>
    </servlet>
    <servlet-mapping>
        <servlet-name>springmvc</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>

    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:applicationContext.xml</param-value>
    </context-param>

    <!--SpringSecurity核心过滤器链-->
    <!--springSecurityFilterChain名词不能修改-->
    <filter>
        <filter-name>springSecurityFilterChain</filter-name>
        <filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class>
    </filter>
    <filter-mapping>
        <filter-name>springSecurityFilterChain</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
    
    <!--处理403异常-->
<!--    <error-page>-->
<!--        <error-code>403</error-code>-->
<!--        <location>/403.jsp</location>-->
<!--    </error-page>-->

    <!--处理404异常-->
<!--    <error-page>-->
<!--        <error-code>404</error-code>-->
<!--        <location>/404.jsp</location>-->
<!--    </error-page>-->

</web-app>
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# spring-mvc.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"
        xmlns:aop="http://www.springframework.org/schema/aop"
        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.xsd
			    http://www.springframework.org/schema/context
			    http://www.springframework.org/schema/context/spring-context.xsd
			    http://www.springframework.org/schema/aop
			    http://www.springframework.org/schema/aop/spring-aop.xsd
			    http://www.springframework.org/schema/tx
			    http://www.springframework.org/schema/tx/spring-tx.xsd
			    http://www.springframework.org/schema/mvc
			    http://www.springframework.org/schema/mvc/spring-mvc.xsd">
	<!-- 扫描到springmvc容器 -->
    <context:component-scan base-package="com.itheima.controller"/>
    <mvc:annotation-driven/>
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/pages/"/>
        <property name="suffix" value=".jsp"/>
    </bean>

    <mvc:default-servlet-handler/>
</beans>
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# applicationContext.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"
        xmlns:aop="http://www.springframework.org/schema/aop"
        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.xsd
			    http://www.springframework.org/schema/context
			    http://www.springframework.org/schema/context/spring-context.xsd
			    http://www.springframework.org/schema/aop
			    http://www.springframework.org/schema/aop/spring-aop.xsd
			    http://www.springframework.org/schema/tx
			    http://www.springframework.org/schema/tx/spring-tx.xsd
			    http://www.springframework.org/schema/mvc
			    http://www.springframework.org/schema/mvc/spring-mvc.xsd">

    <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
        <property name="driverClassName" value="com.mysql.jdbc.Driver"/>
        <property name="url" value="jdbc:mysql:///security_authority"/>
        <property name="username" value="root"/>
        <property name="password" value="root"/>
    </bean>

    <bean class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="dataSource"/>
    </bean>

    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="basePackage" value="com.itheima.dao"/>
    </bean>

    <context:component-scan base-package="com.itheima.service"/>

    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="dataSource"/>
    </bean>

    <tx:annotation-driven/>

    <!--引入springsecurity的配置文件-->
    <import resource="classpath:spring-security.xml"/>

</beans>
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# spring-security.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"
        xmlns:aop="http://www.springframework.org/schema/aop"
        xmlns:tx="http://www.springframework.org/schema/tx"
        xmlns:mvc="http://www.springframework.org/schema/mvc"
        xmlns:security="http://www.springframework.org/schema/security"
        xsi:schemaLocation="http://www.springframework.org/schema/beans
			    http://www.springframework.org/schema/beans/spring-beans.xsd
			    http://www.springframework.org/schema/context
			    http://www.springframework.org/schema/context/spring-context.xsd
			    http://www.springframework.org/schema/aop
			    http://www.springframework.org/schema/aop/spring-aop.xsd
			    http://www.springframework.org/schema/tx
			    http://www.springframework.org/schema/tx/spring-tx.xsd
			    http://www.springframework.org/schema/mvc
			    http://www.springframework.org/schema/mvc/spring-mvc.xsd
                http://www.springframework.org/schema/security
			    http://www.springframework.org/schema/security/spring-security.xsd">

    <!--释放静态资源-->
    <security:http pattern="/css/**" security="none"/>
    <security:http pattern="/img/**" security="none"/>
    <security:http pattern="/plugins/**" security="none"/>
    <security:http pattern="/failer.jsp" security="none"/>
    <!--配置springSecurity-->
    <!--
    auto-config="true"  表示自动加载springsecurity的配置文件
    use-expressions="true" 表示使用spring的el表达式来配置springsecurity
    -->
    <security:http auto-config="true" use-expressions="true">
        <!--让认证页面可以匿名访问-->
        <security:intercept-url pattern="/login.jsp" access="permitAll()"/>
        <!--拦截资源-->
        <!--
        pattern="/**" 表示拦截所有资源
        access="hasAnyRole('ROLE_USER')" 表示只有ROLE_USER角色才能访问资源
        -->
        <security:intercept-url pattern="/**" access="hasAnyRole('ROLE_USER')"/>
        <!--配置认证信息-->
        <security:form-login login-page="/login.jsp"
                             login-processing-url="/login"
                             default-target-url="/index.jsp"
                             authentication-failure-url="/failer.jsp"/>
        <!--配置退出登录信息-->
        <security:logout logout-url="/logout"
                         logout-success-url="/login.jsp"/>
        <!--去掉csrf拦截的过滤器-->
        <security:csrf disabled="true"/>

        <!--开启remember me过滤器，设置token存储时间为60秒-->
        <security:remember-me
                data-source-ref="dataSource"
                token-validity-seconds="60"
                remember-me-parameter="remember-me"/>

        <!--处理403异常-->
        <!--<security:access-denied-handler error-page="/403.jsp"/>-->
    </security:http>

    <!--把加密对象放入的IOC容器中-->
    <bean id="passwordEncoder" class="org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder"/>

    <!--设置Spring Security认证用户信息的来源-->
    <!--
    springsecurity默认的认证必须是加密的，加上{noop}表示不加密认证。
    -->
    <security:authentication-manager>
        <security:authentication-provider user-service-ref="userServiceImpl">
            <security:password-encoder ref="passwordEncoder"/>
        </security:authentication-provider>
    </security:authentication-manager>
</beans>
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# 基于注解

# 配置spring容器

@Configuration //相当于applicationContext.xml
@ComponentScan(basePackages = "com.itheima.security.springmvc"
            ,excludeFilters = {@ComponentScan.Filter(type = FilterType.ANNOTATION,value = Controller.class)})
public class ApplicationConfig {
    //在此配置除了Controller的其它bean，比如：数据库链接池、事务管理器、业务bean等。
}
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# 配置springmvc容器

@Configuration//就相当于springmvc.xml文件
@EnableWebMvc
@ComponentScan(basePackages = "com.itheima.security.springmvc"
        ,includeFilters = {@ComponentScan.Filter(type = FilterType.ANNOTATION,value = Controller.class)})
public class WebConfig implements WebMvcConfigurer {

    @Autowired
    SimpleAuthenticationInterceptor simpleAuthenticationInterceptor;

    //视频解析器
    @Bean
    public InternalResourceViewResolver viewResolver(){
        InternalResourceViewResolver viewResolver = new InternalResourceViewResolver();
        viewResolver.setPrefix("/WEB-INF/view/");
        viewResolver.setSuffix(".jsp");
        return viewResolver;
    }

    @Override
    public void addViewControllers(ViewControllerRegistry registry) {
        registry.addViewController("/").setViewName("login");
    }

    @Override
    public void addInterceptors(InterceptorRegistry registry) {
        registry.addInterceptor(simpleAuthenticationInterceptor).addPathPatterns("/r/**");
    }
}
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# 配置启动入口

相当于web.xml， 将容器配置文件加载进去

public class SpringApplicationInitializer extends AbstractAnnotationConfigDispatcherServletInitializer {

    //spring容器，相当于加载 applicationContext.xml
    @Override
    protected Class<?>[] getRootConfigClasses() {
        return new Class[]{ApplicationConfig.class};
    }

    //servletContext，相当于加载springmvc.xml
    @Override
    protected Class<?>[] getServletConfigClasses() {
        return new Class[]{WebConfig.class};
    }

    //url-mapping
    @Override
    protected String[] getServletMappings() {
        return new String[]{"/"};
    }
}
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# maven启动打包

# 添加tomcat插件

<plugin>
                <groupId>org.apache.tomcat.maven</groupId>
                <artifactId>tomcat7-maven-plugin</artifactId>
                <version>2.2</version>
            </plugin>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.8.1</version>
                <configuration>
                    <source>1.8</source>
                    <target>1.8</target>
                </configuration>
            </plugin>

            <plugin>
                <!-- https://mvnrepository.com/artifact/org.apache.maven.plugins/maven-resources-plugin -->
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-resources-plugin</artifactId>
                <version>3.2.0</version>

                <configuration>
                    <encoding>utf-8</encoding>
                    <useDefaultDelimiters>true</useDefaultDelimiters>
                    <resources>
                        <resource>
                            <directory>src/main/resources</directory>
                            <filtering>true</filtering>
                            <includes>
                                <include>**/*</include>
                            </includes>
                        </resource>
                        <resource>
                            <directory>src/main/java</directory>
                            <includes>
                                <include>**/*.xml</include>
                            </includes>
                        </resource>
                    </resources>
                </configuration>
            </plugin>
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启动

mvn clean tomcat7:run
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image-20210705145444593

Spring-AOP源码探究
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