maven从零开始搭载ssm项目

于 2021-11-20 20:03:38 发布
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分类专栏： 头秃 文章标签： mysql 数据库 spring
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本文链接：https://blog.youkuaiyun.com/weixin_43774832/article/details/121443003
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maven从零开始搭载ssm项目

本项目基于maven搭建ssm工程,没有配置maven的可以去看另一篇博客 Maven下载安装与配置

创建maven工程

首先我们要创建一个web骨架的maven工程

导入依赖

<dependencies>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>4.11</version>
    </dependency>

<!--    mysql相关的 -->
    <!-- mysql驱动 -->
    <dependency>
      <groupId>mysql</groupId>
      <artifactId>mysql-connector-java</artifactId>
      <version>8.0.26</version>
    </dependency>
    <!-- mybatis -->
    <dependency>
      <groupId>org.mybatis</groupId>
      <artifactId>mybatis</artifactId>
      <version>3.5.7</version>
    </dependency>
    <!-- mybatis代码生成 -->
    <dependency>
      <groupId>org.mybatis.generator</groupId>
      <artifactId>mybatis-generator-core</artifactId>
      <version>1.4.0</version>
    </dependency>
    <!-- spring+mybatis集成依赖 -->
    <dependency>
      <groupId>org.mybatis</groupId>
      <artifactId>mybatis-spring</artifactId>
      <version>2.0.6</version>
    </dependency>
    <!-- 分页插件 -->
    <dependency>
      <groupId>com.github.pagehelper</groupId>
      <artifactId>pagehelper</artifactId>
      <version>5.1.2</version>
    </dependency>
    <!-- druid连接池 -->
    <dependency>
      <groupId>com.alibaba</groupId>
      <artifactId>druid</artifactId>
      <version>1.2.8</version>
    </dependency>

<!--    工具  -->
    <!-- lombok  -->
    <dependency>
      <groupId>org.projectlombok</groupId>
      <artifactId>lombok</artifactId>
      <version>1.18.22</version>
    </dependency>
    <!-- 文件上传 -->
    <dependency>
      <groupId>commons-fileupload</groupId>
      <artifactId>commons-fileupload</artifactId>
      <version>1.4</version>
    </dependency>
    <!-- 七牛云的上传文档 -->
    <dependency>
      <groupId>com.qiniu</groupId>
      <artifactId>qiniu-java-sdk</artifactId>
      <version>[7.7.0, 7.7.99]</version>
    </dependency>
    <!-- easyExcel excel处理工具 -->
    <dependency>
      <groupId>com.alibaba</groupId>
      <artifactId>easyexcel</artifactId>
      <version>2.1.6</version>
    </dependency>
    <!-- 处理JSON的工具 -->
    <dependency>
      <groupId>com.alibaba</groupId>
      <artifactId>fastjson</artifactId>
      <version>1.2.78</version>
    </dependency>


<!--    日志相关  -->
    <!-- 日志 -->
    <dependency>
      <groupId>log4j</groupId>
      <artifactId>log4j</artifactId>
      <version>1.2.12</version>
    </dependency>
    <dependency>
      <groupId>org.slf4j</groupId>
      <artifactId>slf4j-api</artifactId>
      <version>1.7.25</version>
    </dependency>
    <dependency>
      <groupId>ch.qos.logback</groupId>
      <artifactId>logback-core</artifactId>
      <version>1.2.3</version>
    </dependency>
    <dependency>
      <groupId>ch.qos.logback</groupId>
      <artifactId>logback-classic</artifactId>
      <version>1.2.3</version>
    </dependency>
    <dependency>
      <groupId>org.logback-extensions</groupId>
      <artifactId>logback-ext-spring</artifactId>
      <version>0.1.4</version>
    </dependency>


    <!--  spring全家桶  -->
<!--    <dependency>-->
<!--      <groupId>org.springframework</groupId>-->
<!--      <artifactId>spring-context</artifactId>-->
<!--      <version>${spring-version}</version>-->
<!--    </dependency>-->
    <!-- aop -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-aspects</artifactId>
      <version>${spring-version}</version>
    </dependency>
    <!-- mysql 事务相关 -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-jdbc</artifactId>
      <version>${spring-version}</version>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-webmvc</artifactId>
      <version>${spring-version}</version>
    </dependency>
    <!-- spring 测试 -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-test</artifactId>
      <version>${spring-version}</version>
    </dependency>



    <!--        Servlet相关的jar包 -->
    <dependency>
      <groupId>javax.servlet</groupId>
      <artifactId>javax.servlet-api</artifactId>
      <version>4.0.1</version>
    </dependency>
    <dependency>
      <groupId>javax.servlet</groupId>
      <artifactId>jstl</artifactId>
      <version>1.2</version>
    </dependency>
    <dependency>
      <groupId>javax.servlet</groupId>
      <artifactId>jsp-api</artifactId>
      <version>2.0</version>
    </dependency>

  </dependencies>
在main 下的 resources目录创建 applicationCentext.xml文件

spring的配置文件

<?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"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
       http://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/aop
        http://www.springframework.org/schema/aop/spring-aop.xsd
        http://www.springframework.org/schema/context
        http://www.springframework.org/schema/context/spring-context.xsd">

    <!--  基于注解的形式管理bean 排除掉Controller注解  -->
    <context:component-scan base-package="com.twentytwok.hospitalsystem22K" use-default-filters="true">
        <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
        <context:exclude-filter type="annotation" expression="org.springframework.web.bind.annotation.RestController"/>
    </context:component-scan>


    <!-- 基于aspectJ 的 注解形式的依赖注入 -->
    <aop:aspectj-autoproxy/>

    <!-- 配置文件参数化 (参数占位符) -->
    <context:property-placeholder location="classpath:db.properties"/>

    <!-- 配置druid连接池对象 -->
    <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close">
        <property name="driverClassName" value="${jdbc.driver}"/>
        <property name="username" value="${jdbc.username}"/>
        <property name="password" value="${jdbc.password}"/>
        <property name="url" value="${jdbc.url}"/>

        <!--        配置最大等待时间-->
        <property name="maxWait" value="60000"/>

        <!--        隔多久进行一次检测,检测关闭连接对象-->
        <property name="timeBetweenEvictionRunsMillis" value="60000"/>

        <!--        连接池最小生存时间-->
        <property name="minEvictableIdleTimeMillis" value="300000"/>

    </bean>

    <!-- 工厂bean  生成sqlSessionFactory-->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <!--        配置连接池对象-->
        <property name="dataSource" ref="dataSource"/>
        <property name="configLocation" value="classpath:mybatis.xml"/>
    </bean>

    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <!--        扫描mapper 自动将mapper层代理对象交给spring容器管理-->
        <property name="basePackage" value="com.twentytwok.hospitalsystem22K.mapper"/>

        <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
    </bean>



</beans>
在main 下的 resources目录创建 db.properties文件

在里面配置mysql连接信息,在spring配置文件里使用

jdbc.driver=com.mysql.cj.jdbc.Driver
jdbc.url=jdbc:mysql:///test?characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai
jdbc.username=troot
jdbc.password=root
在main 下的 resources目录创建 logback.xml文件

日志的配置文件

<?xml version="1.0" encoding="UTF-8"?>
<configuration>
    <appender name="stdout" class="ch.qos.logback.core.ConsoleAppender">
        <Target>System.out</Target>
        <Encoding>UTF-8</Encoding>
        <encoder>
            <pattern>%d{yyyy-MM-dd_HH:mm:ss.SSS} %5p [%t] [%c{1}]:%L - %m%n
            </pattern>
        </encoder>
    </appender>
    <appender name="logfile"
              class="ch.qos.logback.core.rolling.RollingFileAppender">
        <Encoding>UTF-8</Encoding>
        <encoder>
            <pattern>%d %p [%t] [%c]:%L - %m%n</pattern>
        </encoder>
        <filter class="ch.qos.logback.classic.filter.ThresholdFilter">
            <level>DEBUG</level>
        </filter>
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <fileNamePattern>log/%d{yyyy-MM-dd-HH'.log'}</fileNamePattern>
        </rollingPolicy>
    </appender>
    <logger name="org.springframework" level="WARN" />
    <logger name="org.springframework.remoting" level="WARN" />
    <logger name="org.springframework.scheduling.quartz" level="WARN" />
    <logger name="org.springframework.data.jpa" level="DEBUG" />
    <logger name="org.cometd" level="WARN" />
    <logger name="ch.qos.logback" level="WARN" />
    <logger name="com.springapp.mvc" level="DEBUG" />
    <logger name="com.twentytwok.hospitalsystem22K.mapper" level="DEBUG"/>
    <!-- <logger name="com.ibatis" level="DEBUG"></logger> -->

    <root level="ERROR">
        <appender-ref ref="stdout" />
        <appender-ref ref="logfile" />
    </root>
</configuration>
在main 下的 resources目录创建 mybatis.xml文件

mybatis的配置文件

<?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>
<!--    起别名-->
    <typeAliases>
        <package name="com.twentytwok.hospitalsystem22K.pojo"/>
    </typeAliases>
<!--分页查询-->
    <plugins>
        <!-- com.github.pagehelper为PageHelper类所在包名 -->
        <plugin interceptor="com.github.pagehelper.PageInterceptor"/>
    </plugins>


<!--    扫描xml映射文件-->
    <mappers>
        <package name="com.twentytwok.hospitalsystem22K.mapper"/>
    </mappers>
</configuration>
在main 下的 resources目录创建 springmvc.xml文件

springmvc的配置文件

<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:mvc="http://www.springframework.org/schema/mvc"
       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
							http://www.springframework.org/schema/context
							http://www.springframework.org/schema/context/spring-context.xsd
							http://www.springframework.org/schema/mvc
							http://www.springframework.org/schema/mvc/spring-mvc.xsd">

    <!-- 告知springmvc  哪些包中 存在 被注解的类 -->
    <context:component-scan base-package="com.twentytwok.hospitalsystem22K" use-default-filters="false">
        <context:include-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
        <context:include-filter type="annotation" expression="org.springframework.web.bind.annotation.RestController"/>
    </context:component-scan>

    <!-- 默认资源交给default servlet 处理 -->
    <mvc:default-servlet-handler/>

    <!-- 注册注解开发驱动  -->
    <mvc:annotation-driven >
        <!-- 安装FastJson,转换器 -->
        <mvc:message-converters>
            <bean class="com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter">
                <!-- 声明转换类型:json -->
                <property name="supportedMediaTypes">
                    <list>
                        <value>application/json</value>
                    </list>
                </property>
            </bean>
        </mvc:message-converters>
    </mvc:annotation-driven>

    <!-- 拦截器 -->
    <mvc:interceptors>
        <!-- 配置获取获取首页请求所有医生的请求 -->
        <mvc:interceptor>
            <mvc:mapping path="/doctor/pageData"/>
            <bean class="com.twentytwok.hospitalsystem22K.interceptor.IndexPageToAllDoctorInterceptor"></bean>
        </mvc:interceptor>
    </mvc:interceptors>



    <!-- 视图解析器
         作用：1.捕获后端控制器的返回值="index"
              2.解析： 在返回值的前后 拼接 ==> "/index.jsp"
     -->
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <!-- 前缀 -->
        <property name="prefix" value="/"/>
        <!-- 后缀 -->
        <property name="suffix" value=".jsp"/>
    </bean>
</beans>
修改src/main/webapp/WEB-INF/web.xml 文件

修改这个文件是配置spring的前端控制器,处理中文乱码,启动spring

<?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_4_0.xsd"
         version="4.0">

  <display-name>Archetype Created Web Application</display-name>


  <welcome-file-list>
    <welcome-file>index.jsp</welcome-file>
    <welcome-file>index.html</welcome-file>
  </welcome-file-list>



  <!--  前端控制器  -->
  <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:springmvc.xml</param-value>
    </init-param>
    <load-on-startup>1</load-on-startup>
  </servlet>
  <servlet-mapping>
    <servlet-name>springmvc</servlet-name>
    <url-pattern>/</url-pattern>
  </servlet-mapping>
  
  <!-- 中文乱码过滤器 -->
  <filter>
    <filter-name>CharacterEncodingFilter</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>CharacterEncodingFilter</filter-name>
    <url-pattern>/*</url-pattern>
  </filter-mapping>


  <!-- logback 日志记录 -->
  <context-param>
    <param-name>logbackConfigLocation</param-name>
    <param-value>classpath:logback.xml</param-value>
  </context-param>
  <listener>
    <listener-class>ch.qos.logback.ext.spring.web.LogbackConfigListener</listener-class>
  </listener>

  
  <!--这个监听器  帮助加载spring 配置文件，创建spring 容器-->
  <context-param>
    <param-name>contextConfigLocation</param-name>
    <param-value>classpath:applicationContext.xml</param-value>
  </context-param>
  <listener>
    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
  </listener>

</web-app>
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