ssm整合
【转】 SSM整合
前言
开始学习SpringMVC同样留一份记录,以便日后查看
东西都是B站Up狂神的
视频地址:https://www.bilibili.com/video/BV1aE41167Tu
文章地址:
https://blog.csdn.net/qq_33369905/article/details/105828924
在上一节中,我们了解了SpringMVC参数接收处理和结果跳转处理!
现在我们来看看,如何集成SSM框架!完整项目的整合!
环境要求
环境:
- IDEA
- MySQL 5.7.19
- Tomcat 9
- Maven 3.6
要求:
- 需要熟练掌握MySQL数据库,Spring,JavaWeb及MyBatis知识,简单的前端知识;
数据库环境
创建一个存放书籍数据的数据库表
| CREATE DATABASE `ssmbuild`; | |
| USE `ssmbuild`; | |
| DROP TABLE IF EXISTS `books`; | |
| CREATE TABLE `books` ( | |
| `bookID` INT(10) NOT NULL AUTO_INCREMENT COMMENT '书id', | |
| `bookName` VARCHAR(100) NOT NULL COMMENT '书名', | |
| `bookCounts` INT(11) NOT NULL COMMENT '数量', | |
| `detail` VARCHAR(200) NOT NULL COMMENT '描述', | |
| KEY `bookID` (`bookID`) | |
| ) ENGINE=INNODB DEFAULT CHARSET=utf8 | |
| INSERT INTO `books`(`bookID`,`bookName`,`bookCounts`,`detail`)VALUES | |
| (1,'Java',1,'从入门到放弃'), | |
| (2,'MySQL',10,'从删库到跑路'), | |
| (3,'Linux',5,'从进门到进牢'); |
基本环境搭建
1、新建一Maven项目!ssmbuild , 添加web的支持
2、导入相关的pom依赖!
| <dependencies> | |
| <!--Junit--> | |
| <dependency> | |
| <groupId>junit</groupId> | |
| <artifactId>junit</artifactId> | |
| <version>4.12</version> | |
| </dependency> | |
| <!--数据库驱动--> | |
| <dependency> | |
| <groupId>mysql</groupId> | |
| <artifactId>mysql-connector-java</artifactId> | |
| <version>5.1.47</version> | |
| </dependency> | |
| <!-- 数据库连接池 --> | |
| <dependency> | |
| <groupId>com.mchange</groupId> | |
| <artifactId>c3p0</artifactId> | |
| <version>0.9.5.2</version> | |
| </dependency> | |
| <!--Servlet - JSP --> | |
| <dependency> | |
| <groupId>javax.servlet</groupId> | |
| <artifactId>servlet-api</artifactId> | |
| <version>2.5</version> | |
| </dependency> | |
| <dependency> | |
| <groupId>javax.servlet.jsp</groupId> | |
| <artifactId>jsp-api</artifactId> | |
| <version>2.2</version> | |
| </dependency> | |
| <dependency> | |
| <groupId>javax.servlet</groupId> | |
| <artifactId>jstl</artifactId> | |
| <version>1.2</version> | |
| </dependency> | |
| <!--Mybatis--> | |
| <dependency> | |
| <groupId>org.mybatis</groupId> | |
| <artifactId>mybatis</artifactId> | |
| <version>3.5.2</version> | |
| </dependency> | |
| <dependency> | |
| <groupId>org.mybatis</groupId> | |
| <artifactId>mybatis-spring</artifactId> | |
| <version>2.0.2</version> | |
| </dependency> | |
| <!--Spring--> | |
| <dependency> | |
| <groupId>org.springframework</groupId> | |
| <artifactId>spring-webmvc</artifactId> | |
| <version>5.1.9.RELEASE</version> | |
| </dependency> | |
| <dependency> | |
| <groupId>org.springframework</groupId> | |
| <artifactId>spring-jdbc</artifactId> | |
| <version>5.1.9.RELEASE</version> | |
| </dependency> | |
| </dependencies> |
3、Maven资源过滤设置
| <build> | |
| <resources> | |
| <resource> | |
| <directory>src/main/java</directory> | |
| <includes> | |
| <include>**/*.properties</include> | |
| <include>**/*.xml</include> | |
| </includes> | |
| <filtering>false</filtering> | |
| </resource> | |
| <resource> | |
| <directory>src/main/resources</directory> | |
| <includes> | |
| <include>**/*.properties</include> | |
| <include>**/*.xml</include> | |
| </includes> | |
| <filtering>false</filtering> | |
| </resource> | |
| </resources> | |
| </build> |
4、建立基本结构和配置框架!
-
com.kuang.pojo
-
com.kuang.dao
-
com.kuang.service
-
com.kuang.controller
-
mybatis-config.xml
<configuration> </configuration> -
applicationContext.xml
<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd"> </beans>
Mybatis层编写
1、数据库配置文件 database.properties
2、IDEA关联数据库
3、编写MyBatis的核心配置文件
| <configuration> | |
| <typeAliases> | |
| <package name="com.kuang.pojo"/> | |
| </typeAliases> | |
| <mappers> | |
| <mapper resource="com/kuang/dao/BookMapper.xml"/> | |
| </mappers> | |
| </configuration> |
4、编写数据库对应的实体类 com.kuang.pojo.Books
使用lombok插件!
| package com.kuang.pojo; | |
| import lombok.AllArgsConstructor; | |
| import lombok.Data; | |
| import lombok.NoArgsConstructor; | |
| public class Books { | |
| private int bookID; | |
| private String bookName; | |
| private int bookCounts; | |
| private String detail; | |
| } |
5、编写Dao层的 Mapper接口!
| package com.kuang.dao; | |
| import com.kuang.pojo.Books; | |
| import java.util.List; | |
| public interface BookMapper { | |
| //增加一个Book | |
| int addBook(Books book); | |
| //根据id删除一个Book | |
| int deleteBookById(int id); | |
| //更新Book | |
| int updateBook(Books books); | |
| //根据id查询,返回一个Book | |
| Books queryBookById(int id); | |
| //查询全部Book,返回list集合 | |
| List<Books> queryAllBook(); | |
| } |
6、编写接口对应的 Mapper.xml 文件。需要导入MyBatis的包;
| <mapper namespace="com.kuang.dao.BookMapper"> | |
| <!--增加一个Book--> | |
| <insert id="addBook" parameterType="Books"> | |
| insert into ssmbuild.books(bookName,bookCounts,detail) | |
| values (#{bookName}, #{bookCounts}, #{detail}) | |
| </insert> | |
| <!--根据id删除一个Book--> | |
| <delete id="deleteBookById" parameterType="int"> | |
| delete from ssmbuild.books where bookID=#{bookID} | |
| </delete> | |
| <!--更新Book--> | |
| <update id="updateBook" parameterType="Books"> | |
| update ssmbuild.books | |
| set bookName = #{bookName},bookCounts = #{bookCounts},detail = #{detail} | |
| where bookID = #{bookID} | |
| </update> | |
| <!--根据id查询,返回一个Book--> | |
| <select id="queryBookById" resultType="Books"> | |
| select * from ssmbuild.books | |
| where bookID = #{bookID} | |
| </select> | |
| <!--查询全部Book--> | |
| <select id="queryAllBook" resultType="Books"> | |
| SELECT * from ssmbuild.books | |
| </select> | |
| </mapper> |
7、编写Service层的接口和实现类
接口:
| package com.kuang.service; | |
| import com.kuang.pojo.Books; | |
| import java.util.List; | |
| //BookService:底下需要去实现,调用dao层 | |
| public interface BookService { | |
| //增加一个Book | |
| int addBook(Books book); | |
| //根据id删除一个Book | |
| int deleteBookById(int id); | |
| //更新Book | |
| int updateBook(Books books); | |
| //根据id查询,返回一个Book | |
| Books queryBookById(int id); | |
| //查询全部Book,返回list集合 | |
| List<Books> queryAllBook(); | |
| } |
实现类:
| package com.kuang.service; | |
| import com.kuang.dao.BookMapper; | |
| import com.kuang.pojo.Books; | |
| import java.util.List; | |
| public class BookServiceImpl implements BookService { | |
| //调用dao层的操作,设置一个set接口,方便Spring管理 | |
| private BookMapper bookMapper; | |
| public void setBookMapper(BookMapper bookMapper) { | |
| this.bookMapper = bookMapper; | |
| } | |
| public int addBook(Books book) { | |
| return bookMapper.addBook(book); | |
| } | |
| public int deleteBookById(int id) { | |
| return bookMapper.deleteBookById(id); | |
| } | |
| public int updateBook(Books books) { | |
| return bookMapper.updateBook(books); | |
| } | |
| public Books queryBookById(int id) { | |
| return bookMapper.queryBookById(id); | |
| } | |
| public List<Books> queryAllBook() { | |
| return bookMapper.queryAllBook(); | |
| } | |
| } |
OK,到此,底层需求操作编写完毕!
Spring层
1、配置Spring整合MyBatis,我们这里数据源使用c3p0连接池;
2、我们去编写Spring整合Mybatis的相关的配置文件;spring-dao.xml
| <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.xsd | |
| http://www.springframework.org/schema/context | |
| https://www.springframework.org/schema/context/spring-context.xsd"> | |
| <!-- 配置整合mybatis --> | |
| <!-- 1.关联数据库文件 --> | |
| <context:property-placeholder location="classpath:database.properties"/> | |
| <!-- 2.数据库连接池 --> | |
| <!--数据库连接池 | |
| dbcp 半自动化操作 不能自动连接 | |
| c3p0 自动化操作(自动的加载配置文件 并且设置到对象里面) | |
| --> | |
| <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"> | |
| <!-- 配置连接池属性 --> | |
| <property name="driverClass" value="${jdbc.driver}"/> | |
| <property name="jdbcUrl" value="${jdbc.url}"/> | |
| <property name="user" value="${jdbc.username}"/> | |
| <property name="password" value="${jdbc.password}"/> | |
| <!-- c3p0连接池的私有属性 --> | |
| <property name="maxPoolSize" value="30"/> | |
| <property name="minPoolSize" value="10"/> | |
| <!-- 关闭连接后不自动commit --> | |
| <property name="autoCommitOnClose" value="false"/> | |
| <!-- 获取连接超时时间 --> | |
| <property name="checkoutTimeout" value="10000"/> | |
| <!-- 当获取连接失败重试次数 --> | |
| <property name="acquireRetryAttempts" value="2"/> | |
| </bean> | |
| <!-- 3.配置SqlSessionFactory对象 --> | |
| <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"> | |
| <!-- 注入数据库连接池 --> | |
| <property name="dataSource" ref="dataSource"/> | |
| <!-- 配置MyBaties全局配置文件:mybatis-config.xml --> | |
| <property name="configLocation" value="classpath:mybatis-config.xml"/> | |
| </bean> | |
| <!-- 4.配置扫描Dao接口包,动态实现Dao接口注入到spring容器中 --> | |
| <!--解释 :https://www.cnblogs.com/jpfss/p/7799806.html--> | |
| <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"> | |
| <!-- 注入sqlSessionFactory --> | |
| <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/> | |
| <!-- 给出需要扫描Dao接口包 --> | |
| <property name="basePackage" value="com.kuang.dao"/> | |
| </bean> | |
| </beans> |
3、Spring整合service层
| <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.xsd | |
| http://www.springframework.org/schema/context | |
| http://www.springframework.org/schema/context/spring-context.xsd"> | |
| <!-- 扫描service相关的bean --> | |
| <context:component-scan base-package="com.kuang.service" /> | |
| <!--BookServiceImpl注入到IOC容器中--> | |
| <bean id="BookServiceImpl" class="com.kuang.service.BookServiceImpl"> | |
| <property name="bookMapper" ref="bookMapper"/> | |
| </bean> | |
| <!-- 配置事务管理器 --> | |
| <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> | |
| <!-- 注入数据库连接池 --> | |
| <property name="dataSource" ref="dataSource" /> | |
| </bean> | |
| </beans> |
Spring层搞定!再次理解一下,Spring就是一个大杂烩,一个容器!对吧!
SpringMVC层
1、web.xml
| <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_4_0.xsd" | |
| version="4.0"> | |
| <!--DispatcherServlet--> | |
| <servlet> | |
| <servlet-name>DispatcherServlet</servlet-name> | |
| <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> | |
| <init-param> | |
| <param-name>contextConfigLocation</param-name> | |
| <!--一定要注意:我们这里加载的是总的配置文件,之前被这里坑了!--> | |
| <param-value>classpath:applicationContext.xml</param-value> | |
| </init-param> | |
| <load-on-startup>1</load-on-startup> | |
| </servlet> | |
| <servlet-mapping> | |
| <servlet-name>DispatcherServlet</servlet-name> | |
| <url-pattern>/</url-pattern> | |
| </servlet-mapping> | |
| <!--encodingFilter--> | |
| <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> | |
| <!--Session过期时间--> | |
| <session-config> | |
| <session-timeout>15</session-timeout> | |
| </session-config> | |
| </web-app> |
2、spring-mvc.xml
| <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: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/mvc | |
| https://www.springframework.org/schema/mvc/spring-mvc.xsd"> | |
| <!-- 配置SpringMVC --> | |
| <!-- 1.开启SpringMVC注解驱动 --> | |
| <mvc:annotation-driven /> | |
| <!-- 2.静态资源默认servlet配置--> | |
| <mvc:default-servlet-handler/> | |
| <!-- 3.配置jsp 显示ViewResolver视图解析器 --> | |
| <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"> | |
| <property name="viewClass" value="org.springframework.web.servlet.view.JstlView" /> | |
| <property name="prefix" value="/WEB-INF/jsp/" /> | |
| <property name="suffix" value=".jsp" /> | |
| </bean> | |
| <!-- 4.扫描web相关的bean --> | |
| <context:component-scan base-package="com.kuang.controller" /> | |
| </beans> |
3、Spring配置整合文件,applicationContext.xml
| <beans xmlns="http://www.springframework.org/schema/beans" | |
| xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" | |
| xsi:schemaLocation="http://www.springframework.org/schema/beans | |
| http://www.springframework.org/schema/beans/spring-beans.xsd"> | |
| <import resource="spring-dao.xml"/> | |
| <import resource="spring-service.xml"/> | |
| <import resource="spring-mvc.xml"/> | |
| </beans> |
配置文件,暂时结束!Controller 和 视图层编写
1、BookController 类编写 , 方法一:查询全部书籍
| public class BookController { | |
| private BookService bookService; | |
| public String list(Model model) { | |
| List<Books> list = bookService.queryAllBook(); | |
| model.addAttribute("list", list); | |
| return "allBook"; | |
| } | |
| } |
2、编写首页 index.jsp
| <%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8" %> | |
| <html> | |
| <head> | |
| <title>首页</title> | |
| <style type="text/css"> | |
| a { | |
| text-decoration: none; | |
| color: black; | |
| font-size: 18px; | |
| } | |
| h3 { | |
| width: 180px; | |
| height: 38px; | |
| margin: 100px auto; | |
| text-align: center; | |
| line-height: 38px; | |
| background: deepskyblue; | |
| border-radius: 4px; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <h3> | |
| <a href="${pageContext.request.contextPath}/book/allBook">点击进入列表页</a> | |
| </h3> | |
| </body> | |
| </html> |
3、书籍列表页面 allbook.jsp
| <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %> | |
| <%@ page contentType="text/html;charset=UTF-8" language="java" %> | |
| <html> | |
| <head> | |
| <title>书籍列表</title> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
| <!-- 引入 Bootstrap --> | |
| <link href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet"> | |
| </head> | |
| <body> | |
| <div class="container"> | |
| <div class="row clearfix"> | |
| <div class="col-md-12 column"> | |
| <div class="page-header"> | |
| <h1> | |
| <small>书籍列表 —— 显示所有书籍</small> | |
| </h1> | |
| </div> | |
| </div> | |
| </div> | |
| <div class="row"> | |
| <div class="col-md-4 column"> | |
| <a class="btn btn-primary" href="${pageContext.request.contextPath}/book/toAddBook">新增</a> | |
| </div> | |
| </div> | |
| <div class="row clearfix"> | |
| <div class="col-md-12 column"> | |
| <table class="table table-hover table-striped"> | |
| <thead> | |
| <tr> | |
| <th>书籍编号</th> | |
| <th>书籍名字</th> | |
| <th>书籍数量</th> | |
| <th>书籍详情</th> | |
| <th>操作</th> | |
| </tr> | |
| </thead> | |
| <tbody> | |
| <c:forEach var="book" items="${requestScope.get('list')}"> | |
| <tr> | |
| <td>${book.getBookID()}</td> | |
| <td>${book.getBookName()}</td> | |
| <td>${book.getBookCounts()}</td> | |
| <td>${book.getDetail()}</td> | |
| <td> | |
| <a href="${pageContext.request.contextPath}/book/toUpdateBook?id=${book.getBookID()}">更改</a> | | |
| <a href="${pageContext.request.contextPath}/book/del/${book.getBookID()}">删除</a> | |
| </td> | |
| </tr> | |
| </c:forEach> | |
| </tbody> | |
| </table> | |
| </div> | |
| </div> | |
| </div> |
4、BookController 类编写 , 方法二:添加书籍
| public String toAddPaper() { | |
| return "addBook"; | |
| } | |
| public String addPaper(Books books) { | |
| System.out.println(books); | |
| bookService.addBook(books); | |
| return "redirect:/book/allBook"; | |
| } |
5、添加书籍页面:addBook.jsp
| <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %> | |
| <%@ page contentType="text/html;charset=UTF-8" language="java" %> | |
| <html> | |
| <head> | |
| <title>新增书籍</title> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
| <!-- 引入 Bootstrap --> | |
| <link href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet"> | |
| </head> | |
| <body> | |
| <div class="container"> | |
| <div class="row clearfix"> | |
| <div class="col-md-12 column"> | |
| <div class="page-header"> | |
| <h1> | |
| <small>新增书籍</small> | |
| </h1> | |
| </div> | |
| </div> | |
| </div> | |
| <form action="${pageContext.request.contextPath}/book/addBook" method="post"> | |
| 书籍名称:<input type="text" name="bookName"><br><br><br> | |
| 书籍数量:<input type="text" name="bookCounts"><br><br><br> | |
| 书籍详情:<input type="text" name="detail"><br><br><br> | |
| <input type="submit" value="添加"> | |
| </form> | |
| </div> |
6、BookController 类编写 , 方法三:修改书籍
| public String toUpdateBook(Model model, int id) { | |
| Books books = bookService.queryBookById(id); | |
| System.out.println(books); | |
| model.addAttribute("book",books ); | |
| return "updateBook"; | |
| } | |
| public String updateBook(Model model, Books book) { | |
| System.out.println(book); | |
| bookService.updateBook(book); | |
| Books books = bookService.queryBookById(book.getBookID()); | |
| model.addAttribute("books", books); | |
| return "redirect:/book/allBook"; | |
| } |
7、修改书籍页面 updateBook.jsp
| <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %> | |
| <%@ page contentType="text/html;charset=UTF-8" language="java" %> | |
| <html> | |
| <head> | |
| <title>修改信息</title> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
| <!-- 引入 Bootstrap --> | |
| <link href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet"> | |
| </head> | |
| <body> | |
| <div class="container"> | |
| <div class="row clearfix"> | |
| <div class="col-md-12 column"> | |
| <div class="page-header"> | |
| <h1> | |
| <small>修改信息</small> | |
| </h1> | |
| </div> | |
| </div> | |
| </div> | |
| <form action="${pageContext.request.contextPath}/book/updateBook" method="post"> | |
| <input type="hidden" name="bookID" value="${book.getBookID()}"/> | |
| 书籍名称:<input type="text" name="bookName" value="${book.getBookName()}"/> | |
| 书籍数量:<input type="text" name="bookCounts" value="${book.getBookCounts()}"/> | |
| 书籍详情:<input type="text" name="detail" value="${book.getDetail() }"/> | |
| <input type="submit" value="提交"/> | |
| </form> | |
| </div> |
8、BookController 类编写 , 方法四:删除书籍
| public String deleteBook( | |
| bookService.deleteBookById(id); | |
| return "redirect:/book/allBook"; | |
| } |
配置Tomcat,进行运行!
到目前为止,这个SSM项目整合已经完全的OK了,可以直接运行进行测试!这个练习十分的重要,大家需要保证,不看任何东西,自己也可以完整的实现出来!
项目结构图
小结及展望
这个是同学们的第一个SSM整合案例,一定要烂熟于心!
SSM框架的重要程度是不言而喻的,学到这里,大家已经可以进行基本网站的单独开发。但是这只是增删改查的基本操作。可以说学到这里,大家才算是真正的步入了后台开发的门。也就是能找一个后台相关工作的底线。
或许很多人,工作就做这些事情,但是对于个人的提高来说,还远远不够!
我们后面还要学习一些 SpringMVC 的知识!
- Ajax 和 Json
- 文件上传和下载
- 拦截器
前路漫漫,认真坚持最重要!
本文作者: CLASSIC~W
本文链接:https://www.cnblogs.com/Javastudy-note/p/13806502.html
版权声明:本作品采用知识共享署名-非商业性使用-禁止演绎 2.5 中国大陆许可协议进行许可。


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