3.创建一个maven工程

3.1导入坐标

<properties>    <spring.version>5.0.5.RELEASE</spring.version>    <slf4j.version>1.6.6</slf4j.version>    <log4j.version>1.2.12</log4j.version>    <shiro.version>1.2.3</shiro.version>    <mysql.version>5.1.6</mysql.version>    <mybatis.version>3.4.5</mybatis.version>    <spring.security.version>5.0.5.RELEASE</spring.security.version></properties>

<!-- 锁定jar包版本 --><dependencyManagement>    <dependencies>        <dependency>            <groupId>org.springframework</groupId>            <artifactId>spring-context</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-webmvc</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-test</artifactId>            <version>${spring.version}</version>        </dependency>        <dependency>            <groupId>org.mybatis</groupId>            <artifactId>mybatis</artifactId>            <version>${mybatis.version}</version>        </dependency>    </dependencies></dependencyManagement><!-- 项目依赖jar包 --><dependencies><!-- spring --><dependency>    <groupId>org.aspectj</groupId>    <artifactId>aspectjweaver</artifactId>    <version>1.6.8</version></dependency><dependency>    <groupId>org.springframework</groupId>    <artifactId>spring-aop</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-context-support</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-orm</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-core</artifactId>    <version>${spring.version}</version></dependency><dependency>    <groupId>org.springframework</groupId>    <artifactId>spring-test</artifactId>    <version>${spring.version}</version></dependency><dependency>    <groupId>org.springframework</groupId>    <artifactId>spring-webmvc</artifactId>    <version>${spring.version}</version></dependency><dependency>    <groupId>org.springframework</groupId>    <artifactId>spring-tx</artifactId>    <version>${spring.version}</version></dependency><dependency>    <groupId>junit</groupId>    <artifactId>junit</artifactId>    <version>4.12</version>    <scope>test</scope></dependency><dependency>    <groupId>mysql</groupId>    <artifactId>mysql-connector-java</artifactId>    <version>${mysql.version}</version></dependency><dependency>    <groupId>javax.servlet</groupId>    <artifactId>javax.servlet-api</artifactId>    <version>3.1.0</version>    <scope>provided</scope></dependency><dependency>    <groupId>javax.servlet.jsp</groupId>    <artifactId>jsp-api</artifactId>    <version>2.0</version>    <scope>provided</scope></dependency><dependency>    <groupId>jstl</groupId>    <artifactId>jstl</artifactId>    <version>1.2</version></dependency>    <!-- log start -->    <dependency>        <groupId>log4j</groupId>        <artifactId>log4j</artifactId>        <version>${log4j.version}</version>    </dependency>    <dependency>        <groupId>org.slf4j</groupId>        <artifactId>slf4j-api</artifactId>        <version>${slf4j.version}</version>    </dependency>    <dependency>        <groupId>org.slf4j</groupId>        <artifactId>slf4j-log4j12</artifactId>        <version>${slf4j.version}</version>    </dependency>    <!-- log end -->    <dependency>        <groupId>org.mybatis</groupId>        <artifactId>mybatis</artifactId>        <version>${mybatis.version}</version>    </dependency>    <dependency>        <groupId>org.mybatis</groupId>        <artifactId>mybatis-spring</artifactId>        <version>1.3.0</version>    </dependency>    <dependency>        <groupId>c3p0</groupId>        <artifactId>c3p0</artifactId>        <version>0.9.1.2</version>        <type>jar</type>        <scope>compile</scope>    </dependency>    <dependency>        <groupId>com.github.pagehelper</groupId>        <artifactId>pagehelper</artifactId>        <version>5.1.2</version>    </dependency>    <!-- log end -->    <dependency>        <groupId>org.mybatis</groupId>        <artifactId>mybatis</artifactId>        <version>${mybatis.version}</version>    </dependency>    <dependency>        <groupId>org.mybatis</groupId>        <artifactId>mybatis-spring</artifactId>        <version>1.3.0</version>    </dependency>    <dependency>        <groupId>c3p0</groupId>        <artifactId>c3p0</artifactId>        <version>0.9.1.2</version>        <type>jar</type>        <scope>compile</scope>    </dependency>    <dependency>        <groupId>com.github.pagehelper</groupId>        <artifactId>pagehelper</artifactId>        <version>5.1.2</version>    </dependency>    <dependency>        <groupId>org.springframework.security</groupId>        <artifactId>spring-security-web</artifactId>        <version>${spring.security.version}</version>    </dependency>    <dependency>        <groupId>org.springframework.security</groupId>        <artifactId>spring-security-config</artifactId>        <version>${spring.security.version}</version>    </dependency>    <dependency>        <groupId>org.springframework.security</groupId>        <artifactId>spring-security-core</artifactId>        <version>${spring.security.version}</version>    </dependency>    <dependency>        <groupId>org.springframework.security</groupId>        <artifactId>spring-security-taglibs</artifactId>        <version>${spring.security.version}</version>    </dependency>    <dependency>        <groupId>com.alibaba</groupId>        <artifactId>druid</artifactId>        <version>1.0.9</version>    </dependency>    <dependency>        <groupId>com.alibaba</groupId>        <artifactId>druid</artifactId>        <version>1.0.9</version>    </dependency></dependencies><!-- 添加tomcat7插件 --><build>    <plugins>        <plugin>            <groupId>org.apache.tomcat.maven</groupId>            <artifactId>tomcat7-maven-plugin</artifactId>            <version>2.1</version>        </plugin>    </plugins></build>

坐标最好选自己仓库里有的,我选的都是我有的坐标