• SSM框架整合(IntelliJ IDEA + maven + Spring + SpringMVC + MyBatis)


     本篇文章主要内容是介绍如何使用IntelliJ IDEA创建Spring + SpringMVC + MyBatis项目,下面会给出项目搭建的详细步骤以及相关的配置文件。

    1. 创建maven项目

     
    1.1  File -> New Module,进入创建项目窗口。
     
     
     
    1.2  点击Next,填写GroupId、ArtifactId和Version
     
     
     
    1.3  接着下一步,这里需要注在Properties中添加一个参数 archetypeCatalog=internal,不加这个参数,在maven生成骨架的时候将会非常慢,有时候直接卡住。来自网上的解释:
    archetypeCatalog表示插件使用的archetype元数据,不加这个参数时默认为remote,local,即中央仓库archetype元数据,由于中央
    仓库的archetype太多了所以导致很慢,指定internal来表示仅使用内部元数据。
     
     
     
     
     
     
     
    1.4  填写Module name
     
     
    1.5  生成maven的项目骨架之后,我们还需要手动在 src/main 下创建 java目录。现在可以直接编写了,我把项目所需要的文件都编写完成之后,项目的工程结构如图。
     
     
          到此为止,项目的框架基本搭建完成,下面重点说一下项目的配置文件

     

     

    2.  项目配置文件

     
     2.1   这里使用maven来引入项目所需要的jar包,所以也就不需要手动来管理jar包了。
     
    pom.xml
     
    1.  
      <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    2.  
      xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
    3.  
      <modelVersion>4.0.0</modelVersion>
    4.  
      <groupId>com.heitian.web</groupId>
    5.  
      <artifactId>web-ssm</artifactId>
    6.  
      <packaging>war</packaging>
    7.  
      <version>1.0-SNAPSHOT</version>
    8.  
      <name>web-ssm Maven Webapp</name>
    9.  
      <url>http://maven.apache.org</url>
    10.  
      <properties>
    11.  
      <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    12.  
      <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
    13.  
       
    14.  
      <!-- spring版本号 -->
    15.  
      <spring.version>4.2.5.RELEASE</spring.version>
    16.  
       
    17.  
      <!-- mybatis版本号 -->
    18.  
      <mybatis.version>3.2.8</mybatis.version>
    19.  
       
    20.  
      <!-- mysql驱动版本号 -->
    21.  
      <mysql-driver.version>5.1.29</mysql-driver.version>
    22.  
       
    23.  
      <!-- log4j日志包版本号 -->
    24.  
      <slf4j.version>1.7.18</slf4j.version>
    25.  
      <log4j.version>1.2.17</log4j.version>
    26.  
       
    27.  
      </properties>
    28.  
       
    29.  
       
    30.  
      <dependencies>
    31.  
      <!-- 添加jstl依赖 -->
    32.  
      <dependency>
    33.  
      <groupId>jstl</groupId>
    34.  
      <artifactId>jstl</artifactId>
    35.  
      <version>1.2</version>
    36.  
      </dependency>
    37.  
       
    38.  
      <dependency>
    39.  
      <groupId>javax</groupId>
    40.  
      <artifactId>javaee-api</artifactId>
    41.  
      <version>7.0</version>
    42.  
      </dependency>
    43.  
       
    44.  
      <!-- 添加junit4依赖 -->
    45.  
      <dependency>
    46.  
      <groupId>junit</groupId>
    47.  
      <artifactId>junit</artifactId>
    48.  
      <version>4.11</version>
    49.  
      <!-- 指定范围,在测试时才会加载 -->
    50.  
      <scope>test</scope>
    51.  
      </dependency>
    52.  
       
    53.  
      <!-- 添加spring核心依赖 -->
    54.  
      <dependency>
    55.  
      <groupId>org.springframework</groupId>
    56.  
      <artifactId>spring-core</artifactId>
    57.  
      <version>${spring.version}</version>
    58.  
      </dependency>
    59.  
      <dependency>
    60.  
      <groupId>org.springframework</groupId>
    61.  
      <artifactId>spring-web</artifactId>
    62.  
      <version>${spring.version}</version>
    63.  
      </dependency>
    64.  
      <dependency>
    65.  
      <groupId>org.springframework</groupId>
    66.  
      <artifactId>spring-oxm</artifactId>
    67.  
      <version>${spring.version}</version>
    68.  
      </dependency>
    69.  
      <dependency>
    70.  
      <groupId>org.springframework</groupId>
    71.  
      <artifactId>spring-tx</artifactId>
    72.  
      <version>${spring.version}</version>
    73.  
      </dependency>
    74.  
      <dependency>
    75.  
      <groupId>org.springframework</groupId>
    76.  
      <artifactId>spring-jdbc</artifactId>
    77.  
      <version>${spring.version}</version>
    78.  
      </dependency>
    79.  
      <dependency>
    80.  
      <groupId>org.springframework</groupId>
    81.  
      <artifactId>spring-webmvc</artifactId>
    82.  
      <version>${spring.version}</version>
    83.  
      </dependency>
    84.  
      <dependency>
    85.  
      <groupId>org.springframework</groupId>
    86.  
      <artifactId>spring-context</artifactId>
    87.  
      <version>${spring.version}</version>
    88.  
      </dependency>
    89.  
      <dependency>
    90.  
      <groupId>org.springframework</groupId>
    91.  
      <artifactId>spring-context-support</artifactId>
    92.  
      <version>${spring.version}</version>
    93.  
      </dependency>
    94.  
      <dependency>
    95.  
      <groupId>org.springframework</groupId>
    96.  
      <artifactId>spring-aop</artifactId>
    97.  
      <version>${spring.version}</version>
    98.  
      </dependency>
    99.  
       
    100.  
      <dependency>
    101.  
      <groupId>org.springframework</groupId>
    102.  
      <artifactId>spring-test</artifactId>
    103.  
      <version>${spring.version}</version>
    104.  
      </dependency>
    105.  
       
    106.  
      <!-- 添加mybatis依赖 -->
    107.  
      <dependency>
    108.  
      <groupId>org.mybatis</groupId>
    109.  
      <artifactId>mybatis</artifactId>
    110.  
      <version>${mybatis.version}</version>
    111.  
      </dependency>
    112.  
       
    113.  
      <!-- 添加mybatis/spring整合包依赖 -->
    114.  
      <dependency>
    115.  
      <groupId>org.mybatis</groupId>
    116.  
      <artifactId>mybatis-spring</artifactId>
    117.  
      <version>1.2.2</version>
    118.  
      </dependency>
    119.  
       
    120.  
      <!-- 添加mysql驱动依赖 -->
    121.  
      <dependency>
    122.  
      <groupId>mysql</groupId>
    123.  
      <artifactId>mysql-connector-java</artifactId>
    124.  
      <version>${mysql-driver.version}</version>
    125.  
      </dependency>
    126.  
      <!-- 添加数据库连接池依赖 -->
    127.  
      <dependency>
    128.  
      <groupId>commons-dbcp</groupId>
    129.  
      <artifactId>commons-dbcp</artifactId>
    130.  
      <version>1.2.2</version>
    131.  
      </dependency>
    132.  
       
    133.  
      <!-- 添加fastjson -->
    134.  
      <dependency>
    135.  
      <groupId>com.alibaba</groupId>
    136.  
      <artifactId>fastjson</artifactId>
    137.  
      <version>1.1.41</version>
    138.  
      </dependency>
    139.  
       
    140.  
      <!-- 添加日志相关jar包 -->
    141.  
      <dependency>
    142.  
      <groupId>log4j</groupId>
    143.  
      <artifactId>log4j</artifactId>
    144.  
      <version>${log4j.version}</version>
    145.  
      </dependency>
    146.  
      <dependency>
    147.  
      <groupId>org.slf4j</groupId>
    148.  
      <artifactId>slf4j-api</artifactId>
    149.  
      <version>${slf4j.version}</version>
    150.  
      </dependency>
    151.  
      <dependency>
    152.  
      <groupId>org.slf4j</groupId>
    153.  
      <artifactId>slf4j-log4j12</artifactId>
    154.  
      <version>${slf4j.version}</version>
    155.  
      </dependency>
    156.  
       
    157.  
      <!-- log end -->
    158.  
      <!-- 映入JSON -->
    159.  
      <dependency>
    160.  
      <groupId>org.codehaus.jackson</groupId>
    161.  
      <artifactId>jackson-mapper-asl</artifactId>
    162.  
      <version>1.9.13</version>
    163.  
      </dependency>
    164.  
      <!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-core -->
    165.  
      <dependency>
    166.  
      <groupId>com.fasterxml.jackson.core</groupId>
    167.  
      <artifactId>jackson-core</artifactId>
    168.  
      <version>2.8.0</version>
    169.  
      </dependency>
    170.  
      <!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-databind -->
    171.  
      <dependency>
    172.  
      <groupId>com.fasterxml.jackson.core</groupId>
    173.  
      <artifactId>jackson-databind</artifactId>
    174.  
      <version>2.8.0</version>
    175.  
      </dependency>
    176.  
       
    177.  
      <dependency>
    178.  
      <groupId>commons-fileupload</groupId>
    179.  
      <artifactId>commons-fileupload</artifactId>
    180.  
      <version>1.3.1</version>
    181.  
      </dependency>
    182.  
       
    183.  
      <dependency>
    184.  
      <groupId>commons-io</groupId>
    185.  
      <artifactId>commons-io</artifactId>
    186.  
      <version>2.4</version>
    187.  
      </dependency>
    188.  
       
    189.  
      <dependency>
    190.  
      <groupId>commons-codec</groupId>
    191.  
      <artifactId>commons-codec</artifactId>
    192.  
      <version>1.9</version>
    193.  
      </dependency>
    194.  
      </dependencies>
    195.  
       
    196.  
      <build>
    197.  
      <finalName>web-ssm</finalName>
    198.  
      </build>
    199.  
      </project>


     
    2.2   新建jdbc.properties文件
     
    jdbc.properties
     
    1.  
      driverClasss=com.mysql.jdbc.Driver
    2.  
      jdbcUrl=jdbc:mysql://localhost:3306/db_ssm?useUnicode=true&characterEncoding=utf-8&zeroDateTimeBehavior=convertToNull
    3.  
      username=root
    4.  
      password=root
    5.  
       
    6.  
      #定义初始连接数
    7.  
      initialSize=0
    8.  
      #定义最大连接数
    9.  
      maxActive=20
    10.  
      #定义最大空闲
    11.  
      maxIdle=20
    12.  
      #定义最小空闲
    13.  
      minIdle=1
    14.  
      #定义最长等待时间
    15.  
      maxWait=60000
     
    2.3  新建log4j 配置文件
     
    log4j.properties
     
    1.  
      log4j.rootLogger=INFO,Console,File
    2.  
       
    3.  
      #控制台日志
    4.  
      log4j.appender.Console=org.apache.log4j.ConsoleAppender
    5.  
      log4j.appender.Console.Target=System.out
    6.  
      log4j.appender.Console.layout=org.apache.log4j.PatternLayout
    7.  
      log4j.appender.Console.layout.ConversionPattern=[%p][%t][%d{yyyy-MM-dd HH:mm:ss}][%C] - %m%n
    8.  
       
    9.  
      #普通文件日志
    10.  
      log4j.appender.File=org.apache.log4j.RollingFileAppender
    11.  
      log4j.appender.File.File=logs/ssm.log
    12.  
      log4j.appender.File.MaxFileSize=10MB
    13.  
      #输出日志,如果换成DEBUG表示输出DEBUG以上级别日志
    14.  
      log4j.appender.File.Threshold=ALL
    15.  
      log4j.appender.File.layout=org.apache.log4j.PatternLayout
    16.  
      log4j.appender.File.layout.ConversionPattern=[%p][%t][%d{yyyy-MM-dd HH:mm:ss}][%C] - %m%n
     
    2.4  新建springmvc配置文件
     
     
    spring-mvc.xml
     
     
    1.  
      <?xml version="1.0" encoding="UTF-8"?>
    2.  
      <beans xmlns="http://www.springframework.org/schema/beans"
    3.  
      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p"
    4.  
      xmlns:context="http://www.springframework.org/schema/context"
    5.  
      xmlns:mvc="http://www.springframework.org/schema/mvc"
    6.  
      xsi:schemaLocation="http://www.springframework.org/schema/beans
    7.  
      http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
    8.  
      http://www.springframework.org/schema/context
    9.  
      http://www.springframework.org/schema/context/spring-context-4.0.xsd
    10.  
      http://www.springframework.org/schema/mvc
    11.  
      http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd">
    12.  
       
    13.  
      <!-- 自动扫描 @Controller-->
    14.  
      <context:component-scan base-package="com.heitian.ssm.controller"/>
    15.  
       
    16.  
      <!--避免IE执行AJAX时,返回JSON出现下载文件 -->
    17.  
      <bean id="mappingJacksonHttpMessageConverter"
    18.  
      class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">
    19.  
      <property name="supportedMediaTypes">
    20.  
      <list>
    21.  
      <value>text/html;charset=UTF-8</value>
    22.  
      </list>
    23.  
      </property>
    24.  
      </bean>
    25.  
      <!-- 启动SpringMVC的注解功能,完成请求和注解POJO的映射 -->
    26.  
      <bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">
    27.  
      <property name="messageConverters">
    28.  
      <list>
    29.  
      <ref bean="mappingJacksonHttpMessageConverter"/> <!-- JSON转换器 -->
    30.  
      </list>
    31.  
      </property>
    32.  
      </bean>
    33.  
       
    34.  
       
    35.  
      <!-- 定义跳转的文件的前后缀 ,视图模式配置 -->
    36.  
      <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
    37.  
      <property name="prefix" value="/WEB-INF/jsp/" />
    38.  
      <property name="suffix" value=".jsp"/>
    39.  
      </bean>
    40.  
       
    41.  
      <!-- 文件上传配置 -->
    42.  
      <bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
    43.  
      <!-- 默认编码 -->
    44.  
      <property name="defaultEncoding" value="UTF-8"/>
    45.  
      <!-- 上传文件大小限制为31M,31*1024*1024 -->
    46.  
      <property name="maxUploadSize" value="32505856"/>
    47.  
      <!-- 内存中的最大值 -->
    48.  
      <property name="maxInMemorySize" value="4096"/>
    49.  
      </bean>
    50.  
      </beans>
     
    2.5  新建spring和mybatis整合所需的配置文件
     
     
    spring-mybatis.xml 
     
    1.  
      <?xml version="1.0" encoding="UTF-8"?>
    2.  
      <beans xmlns="http://www.springframework.org/schema/beans"
    3.  
      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    4.  
      xmlns:context="http://www.springframework.org/schema/context" xmlns:tx="http://www.springframework.org/schema/tx"
    5.  
      xsi:schemaLocation="http://www.springframework.org/schema/beans
    6.  
      http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
    7.  
      http://www.springframework.org/schema/context
    8.  
      http://www.springframework.org/schema/context/spring-context-3.1.xsd
    9.  
      http://www.springframework.org/schema/tx
    10.  
      http://www.springframework.org/schema/tx/spring-tx.xsd">
    11.  
       
    12.  
      <!-- 自动扫描 -->
    13.  
      <context:component-scan base-package="com.heitian.ssm"/>
    14.  
       
    15.  
      <!-- 第一种方式:加载一个properties文件 -->
    16.  
      <bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
    17.  
      <property name="location" value="classpath:jdbc.properties"/>
    18.  
      </bean>
    19.  
       
    20.  
       
    21.  
      <!-- 第二种方式:加载多个properties文件
    22.  
      <bean id="configProperties" class="org.springframework.beans.factory.config.PropertiesFactoryBean">
    23.  
      <property name="locations">
    24.  
      <list>
    25.  
      <value>classpath:jdbc.properties</value>
    26.  
      <value>classpath:common.properties</value>
    27.  
      </list>
    28.  
      </property>
    29.  
      <property name="fileEncoding" value="UTF-8"/>
    30.  
      </bean>
    31.  
      <bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PreferencesPlaceholderConfigurer">
    32.  
      <property name="properties" ref="configProperties"/>
    33.  
      </bean>
    34.  
      -->
    35.  
       
    36.  
      <!-- 配置数据源 -->
    37.  
      <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"
    38.  
      destroy-method="close">
    39.  
      <property name="driverClassName" value="${driverClasss}"/>
    40.  
      <property name="url" value="${jdbcUrl}"/>
    41.  
      <property name="username" value="${username}"/>
    42.  
      <property name="password" value="${password}"/>
    43.  
      <!-- 初始化连接大小 -->
    44.  
      <property name="initialSize" value="${initialSize}"></property>
    45.  
      <!-- 连接池最大数量 -->
    46.  
      <property name="maxActive" value="${maxActive}"></property>
    47.  
      <!-- 连接池最大空闲 -->
    48.  
      <property name="maxIdle" value="${maxIdle}"></property>
    49.  
      <!-- 连接池最小空闲 -->
    50.  
      <property name="minIdle" value="${minIdle}"></property>
    51.  
      <!-- 获取连接最大等待时间 -->
    52.  
      <property name="maxWait" value="${maxWait}"></property>
    53.  
      </bean>
    54.  
       
    55.  
      <!-- mybatis和spring完美整合,不需要mybatis的配置映射文件 -->
    56.  
      <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
    57.  
      <property name="dataSource" ref="dataSource"/>
    58.  
      <!-- 自动扫描mapping.xml文件 -->
    59.  
      <property name="mapperLocations" value="classpath:mapping/*.xml"></property>
    60.  
      </bean>
    61.  
       
    62.  
      <!-- DAO接口所在包名,Spring会自动查找其下的类 -->
    63.  
      <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
    64.  
      <property name="basePackage" value="com.heitian.ssm.dao"/>
    65.  
      <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>
    66.  
      </bean>
    67.  
       
    68.  
       
    69.  
      <!-- (事务管理)transaction manager, use JtaTransactionManager for global tx -->
    70.  
      <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
    71.  
      <property name="dataSource" ref="dataSource"/>
    72.  
      </bean>
    73.  
       
    74.  
      <!-- (事务管理)transaction manager, use JtaTransactionManager for global tx -->
    75.  
      <tx:annotation-driven transaction-manager="transactionManager"/>
    76.  
      </beans>
     
    2.6  web.xml配置文件
     
    web.xml
     
    1.  
      <?xml version="1.0" encoding="UTF-8"?>
    2.  
      <web-app xmlns="http://java.sun.com/xml/ns/javaee"
    3.  
      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    4.  
      xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
    5.  
      http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
    6.  
      version="3.0">
    7.  
       
    8.  
      <display-name>web-ssm</display-name>
    9.  
       
    10.  
      <context-param>
    11.  
      <param-name>contextConfigLocation</param-name>
    12.  
      <param-value>classpath:spring-mybatis.xml</param-value>
    13.  
      </context-param>
    14.  
       
    15.  
      <context-param>
    16.  
      <param-name>log4jConfigLocation</param-name>
    17.  
      <param-value>classpath:log4j.properties</param-value>
    18.  
      </context-param>
    19.  
       
    20.  
      <!-- 编码过滤器 -->
    21.  
      <filter>
    22.  
      <filter-name>encodingFilter</filter-name>
    23.  
      <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
    24.  
      <init-param>
    25.  
      <param-name>encoding</param-name>
    26.  
      <param-value>UTF-8</param-value>
    27.  
      </init-param>
    28.  
      </filter>
    29.  
      <filter-mapping>
    30.  
      <filter-name>encodingFilter</filter-name>
    31.  
      <url-pattern>/*</url-pattern>
    32.  
      </filter-mapping>
    33.  
       
    34.  
      <!-- spring监听器 -->
    35.  
      <listener>
    36.  
      <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    37.  
      </listener>
    38.  
       
    39.  
      <!-- 防止spring内存溢出监听器,比如quartz -->
    40.  
      <listener>
    41.  
      <listener-class>org.springframework.web.util.IntrospectorCleanupListener</listener-class>
    42.  
      </listener>
    43.  
       
    44.  
       
    45.  
      <!-- spring mvc servlet-->
    46.  
      <servlet>
    47.  
      <servlet-name>SpringMVC</servlet-name>
    48.  
      <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
    49.  
      <init-param>
    50.  
      <param-name>contextConfigLocation</param-name>
    51.  
      <param-value>classpath:spring-mvc.xml</param-value>
    52.  
      </init-param>
    53.  
      <load-on-startup>1</load-on-startup>
    54.  
      <async-supported>true</async-supported>
    55.  
      </servlet>
    56.  
      <servlet-mapping>
    57.  
      <servlet-name>SpringMVC</servlet-name>
    58.  
      <!-- 此处也可以配置成 *.do 形式 -->
    59.  
      <url-pattern>/</url-pattern>
    60.  
      </servlet-mapping>
    61.  
       
    62.  
      <welcome-file-list>
    63.  
      <welcome-file>/index.jsp</welcome-file>
    64.  
      </welcome-file-list>
    65.  
       
    66.  
      <!-- session配置 -->
    67.  
      <session-config>
    68.  
      <session-timeout>15</session-timeout>
    69.  
      </session-config>
    70.  
       
    71.  
      </web-app>
     
     
     

     

    3.  项目配置和部署

     
    3.1   File -> Project Structure,进入创建项目配置窗口。
     
     
     
    3.2  创建一个Tomcat容器实例,并把项目部署进去

        

    3.3  项目所需配置好项目访问的根路径,然后启动Tomcat。

     
     
    3.4  在浏览器地址栏中输入:http://localhost:8080/web-ssm/user/showUser

    3.5  项目所需看到图中显示效果,则表示项目搭建成功。

    4.  值得注意的地方

     
    搭建好项目的框架之后,启动Tomcat,如果访问 http://localhost:8080/user/showUser 出现如下错误:
     
     
    出现这个错误是因为少了依赖的jar包,只要在pom文件中添加如下依赖即可。
    1.  
      <!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-core -->
    2.  
      <dependency>
    3.  
      <groupId>com.fasterxml.jackson.core</groupId>
    4.  
      <artifactId>jackson-core</artifactId>
    5.  
      <version>2.8.0</version>
    6.  
      </dependency>
    7.  
      <!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-databind -->
    8.  
      <dependency>
    9.  
      <groupId>com.fasterxml.jackson.core</groupId>
    10.  
      <artifactId>jackson-databind</artifactId>
    11.  
      <version>2.8.0</version>
    12.  
      </dependency>


    5. 项目下载地址

     
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  • 原文地址:https://www.cnblogs.com/yelanggu/p/10172614.html
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