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  • 数据后台管理(一)环境搭建

    1.创建一个webapp的maven工程

    目录结构如下所示:

    前端使用的是adminLTE,需要将相关的文件分别放到目录中的css,img,plugins文件夹中

    2.在pom.xml文件中引入相关坐标

      1 <?xml version="1.0" encoding="UTF-8"?>
      2 
      3 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
      4   xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
      5   <modelVersion>4.0.0</modelVersion>
      6 
      7   <groupId>club.nipengfei</groupId>
      8   <artifactId>ssm5</artifactId>
      9   <version>1.0-SNAPSHOT</version>
     10   <packaging>war</packaging>
     11 
     12   <name>ssm5 Maven Webapp</name>
     13   <!-- FIXME change it to the project's website -->
     14   <url>http://www.example.com</url>
     15 
     16   <properties>
     17     <spring.version>5.0.2.RELEASE</spring.version>
     18     <slf4j.version>1.6.6</slf4j.version>
     19     <log4j.version>1.2.12</log4j.version>
     20     <mysql.version>5.1.6</mysql.version>
     21     <mybatis.version>3.4.5</mybatis.version>
     22     <spring.security.version>5.0.1.RELEASE</spring.security.version>
     23   </properties>
     24   <dependencies>
     25     <!-- spring -->
     26     <dependency>
     27       <groupId>org.aspectj</groupId>
     28       <artifactId>aspectjweaver</artifactId>
     29       <version>1.6.8</version>
     30     </dependency>
     31     <dependency>
     32       <groupId>org.springframework</groupId>
     33       <artifactId>spring-aop</artifactId>
     34       <version>${spring.version}</version>
     35     </dependency>
     36     <dependency>
     37       <groupId>org.springframework</groupId>
     38       <artifactId>spring-context</artifactId>
     39       <version>${spring.version}</version>
     40     </dependency>
     41     <dependency>
     42       <groupId>org.springframework</groupId>
     43       <artifactId>spring-web</artifactId>
     44       <version>${spring.version}</version>
     45     </dependency>
     46     <dependency>
     47       <groupId>org.springframework</groupId>
     48       <artifactId>spring-webmvc</artifactId>
     49       <version>${spring.version}</version>
     50     </dependency>
     51     <dependency>
     52       <groupId>org.springframework</groupId>
     53       <artifactId>spring-test</artifactId>
     54       <version>${spring.version}</version>
     55     </dependency>
     56     <dependency>
     57       <groupId>org.springframework</groupId>
     58       <artifactId>spring-tx</artifactId>
     59       <version>${spring.version}</version>
     60     </dependency>
     61     <dependency>
     62       <groupId>org.springframework</groupId>
     63       <artifactId>spring-jdbc</artifactId>
     64       <version>${spring.version}</version>
     65     </dependency>
     66     <dependency>
     67       <groupId>junit</groupId>
     68       <artifactId>junit</artifactId>
     69       <version>4.12</version>
     70       <scope>compile</scope>
     71     </dependency>
     72     <dependency>
     73       <groupId>mysql</groupId>
     74       <artifactId>mysql-connector-java</artifactId>
     75       <version>${mysql.version}</version>
     76     </dependency>
     77     <dependency>
     78       <groupId>javax.servlet</groupId>
     79       <artifactId>servlet-api</artifactId>
     80       <version>2.5</version>
     81       <scope>provided</scope>
     82     </dependency>
     83     <dependency>
     84       <groupId>javax.servlet.jsp</groupId>
     85       <artifactId>jsp-api</artifactId>
     86       <version>2.0</version>
     87       <scope>provided</scope>
     88     </dependency>
     89     <dependency>
     90       <groupId>jstl</groupId>
     91       <artifactId>jstl</artifactId>
     92       <version>1.2</version>
     93     </dependency>
     94     <!-- log start -->
     95     <dependency>
     96       <groupId>log4j</groupId>
     97       <artifactId>log4j</artifactId>
     98       <version>${log4j.version}</version>
     99     </dependency>
    100     <dependency>
    101       <groupId>org.slf4j</groupId>
    102       <artifactId>slf4j-api</artifactId>
    103       <version>${slf4j.version}</version>
    104     </dependency>
    105     <dependency>
    106       <groupId>org.slf4j</groupId>
    107       <artifactId>slf4j-log4j12</artifactId>
    108       <version>${slf4j.version}</version>
    109     </dependency>
    110     <!-- log end -->
    111     <dependency>
    112       <groupId>org.mybatis</groupId>
    113       <artifactId>mybatis</artifactId>
    114       <version>${mybatis.version}</version>
    115     </dependency>
    116     <dependency>
    117       <groupId>org.mybatis</groupId>
    118       <artifactId>mybatis-spring</artifactId>
    119       <version>1.3.0</version>
    120     </dependency>
    121     <dependency>
    122       <groupId>c3p0</groupId>
    123       <artifactId>c3p0</artifactId>
    124       <version>0.9.1.2</version>
    125       <type>jar</type>
    126       <scope>compile</scope>
    127     </dependency>
    128     <dependency>
    129       <groupId>com.github.pagehelper</groupId>
    130       <artifactId>pagehelper</artifactId>
    131       <version>5.1.2</version>
    132     </dependency>
    133     <dependency>
    134       <groupId>org.springframework.security</groupId>
    135       <artifactId>spring-security-web</artifactId>
    136       <version>${spring.security.version}</version>
    137     </dependency>
    138     <dependency>
    139       <groupId>org.springframework.security</groupId>
    140       <artifactId>spring-security-config</artifactId>
    141       <version>${spring.security.version}</version>
    142     </dependency>
    143     <dependency>
    144       <groupId>org.springframework.security</groupId>
    145       <artifactId>spring-security-core</artifactId>
    146       <version>${spring.security.version}</version>
    147     </dependency>
    148     <dependency>
    149       <groupId>org.springframework.security</groupId>
    150       <artifactId>spring-security-taglibs</artifactId>
    151       <version>${spring.security.version}</version>
    152     </dependency>
    153 
    154     <dependency>
    155       <groupId>mysql</groupId>
    156       <artifactId>mysql-connector-java</artifactId>
    157       <version>${mysql.version}</version>
    158     </dependency>
    159 
    160     <dependency>
    161       <groupId>javax.annotation</groupId>
    162       <artifactId>jsr250-api</artifactId>
    163       <version>1.0</version>
    164     </dependency>
    165   </dependencies>
    166 
    167   <build>
    168     <finalName>ssm5</finalName>
    169     <pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) -->
    170       <plugins>
    171         <plugin>
    172           <artifactId>maven-clean-plugin</artifactId>
    173           <version>3.1.0</version>
    174         </plugin>
    175         <!-- see http://maven.apache.org/ref/current/maven-core/default-bindings.html#Plugin_bindings_for_war_packaging -->
    176         <plugin>
    177           <artifactId>maven-resources-plugin</artifactId>
    178           <version>3.0.2</version>
    179         </plugin>
    180         <plugin>
    181           <artifactId>maven-compiler-plugin</artifactId>
    182           <version>3.8.0</version>
    183         </plugin>
    184         <plugin>
    185           <artifactId>maven-surefire-plugin</artifactId>
    186           <version>2.22.1</version>
    187         </plugin>
    188         <plugin>
    189           <artifactId>maven-war-plugin</artifactId>
    190           <version>3.2.2</version>
    191         </plugin>
    192         <plugin>
    193           <artifactId>maven-install-plugin</artifactId>
    194           <version>2.5.2</version>
    195         </plugin>
    196         <plugin>
    197           <artifactId>maven-deploy-plugin</artifactId>
    198           <version>2.8.2</version>
    199         </plugin>
    200       </plugins>
    201     </pluginManagement>
    202   </build>
    203 </project>
    View Code

    3.创建spring的核心配置文件applicationContext.xml

    其中整合了MyBatis框架

     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"
     5        xmlns:aop="http://www.springframework.org/schema/aop"
     6        xmlns:tx="http://www.springframework.org/schema/tx"
     7        xsi:schemaLocation="http://www.springframework.org/schema/beans
     8    http://www.springframework.org/schema/beans/spring-beans.xsd
     9    http://www.springframework.org/schema/context
    10    http://www.springframework.org/schema/context/spring-context.xsd
    11    http://www.springframework.org/schema/aop
    12    http://www.springframework.org/schema/aop/spring-aop.xsd
    13    http://www.springframework.org/schema/tx
    14    http://www.springframework.org/schema/tx/spring-tx.xsd">
    15     <!--开启注解扫描,希望处理service和dao,controller不需要Spring框架处理-->
    16     <context:component-scan base-package="club.nipengfei">
    17         <!--配置哪些注解不扫描-->
    18         <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
    19     </context:component-scan>
    20     <!--Spring整合MyBatis框架-->
    21     <!--配置连接池-->
    22     <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
    23         <property name="driverClass" value="com.mysql.jdbc.Driver"/>
    24         <property name="jdbcUrl" value="jdbc:mysql:///ssm1"/>
    25         <property name="user" value="root"/>
    26         <property name="password" value="npf123"/>
    27     </bean>
    28     <!--配置SqlSessionFactory工厂-->
    29     <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
    30         <property name="dataSource" ref="dataSource"/>
    31     </bean>
    32     <!--配置AccountDao接口所在包-->
    33     <bean id="mapperScanner" class="org.mybatis.spring.mapper.MapperScannerConfigurer">
    34         <property name="basePackage" value="club.nipengfei.dao"/>
    35     </bean>
    36     <!--配置Spring框架声明式事务管理-->
    37     <!--配置事务管理器-->
    38     <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
    39         <property name="dataSource" ref="dataSource" />
    40     </bean>
    41     <!--配置事务通知-->
    42     <tx:advice id="txAdvice" transaction-manager="transactionManager">
    43         <tx:attributes>
    44             <tx:method name="find*" read-only="true"/>
    45             <tx:method name="*" isolation="DEFAULT"/>
    46         </tx:attributes>
    47     </tx:advice>
    48     <!--配置AOP增强-->
    49     <aop:config>
    50         <aop:advisor advice-ref="txAdvice" pointcut="execution(* club.nipengfei.service.impl.*ServiceImpl.*(..))"/>
    51     </aop:config>
    52 </beans>
    View Code

    4.创建springmvc的核心配置文件springmvc.xml

     1 <?xml version="1.0" encoding="UTF-8"?>
     2 <beans xmlns="http://www.springframework.org/schema/beans"
     3        xmlns:mvc="http://www.springframework.org/schema/mvc"
     4        xmlns:context="http://www.springframework.org/schema/context"
     5        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     6        xsi:schemaLocation="
     7 http://www.springframework.org/schema/beans
     8 http://www.springframework.org/schema/beans/spring-beans.xsd
     9 http://www.springframework.org/schema/mvc
    10 http://www.springframework.org/schema/mvc/spring-mvc.xsd
    11 http://www.springframework.org/schema/context
    12 http://www.springframework.org/schema/context/spring-context.xsd">
    13     <!--开启注解扫描,只扫描Controller-->
    14     <context:component-scan base-package="club.nipengfei">
    15         <context:include-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
    16     </context:component-scan>
    17     <!--配置的视图解析器-->
    18     <bean id="internalResourceViewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
    19         <property name="prefix" value="/pages/"/>
    20         <property name="suffix" value=".jsp"/>
    21     </bean>
    22     <!--过滤静态资源-->
    23     <mvc:resources mapping="/css/**" location="/css/"/>
    24     <mvc:resources mapping="/img/**" location="/img/"/>
    25     <mvc:resources location="/plugins/" mapping="/plugins/**" />
    26     <!--开启SpringMVC注解支持-->
    27     <mvc:annotation-driven/>
    28 </beans>
    View Code

    5.在web.xml中配置如下信息

     1 <?xml version="1.0" encoding="UTF-8"?>
     2 <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     3          xmlns="http://xmlns.jcp.org/xml/ns/javaee"
     4          xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
     5          version="3.1">
     6 
     7     <display-name>Archetype Created web Application</display-name>
     8     <!--配置监听器,默认只加载WEB-INF目录下的applicationContext.xml配置文件-->
     9     <listener>
    10         <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    11     </listener>
    12     <!--设置配置文件路径-->
    13     <context-param>
    14         <param-name>contextConfigLocation</param-name>
    15         <param-value>classpath:applicationContext.xml</param-value>
    16     </context-param>
    17     <!--配置前端控制器-->
    18     <servlet>
    19         <servlet-name>dispatcherServlet</servlet-name>
    20         <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
    21         <!--加载springmvc.xml配置文件-->
    22         <init-param>
    23             <param-name>contextConfigLocation</param-name>
    24             <param-value>classpath:springmvc.xml</param-value>
    25         </init-param>
    26         <!--启动服务器,创建servlet-->
    27         <load-on-startup>1</load-on-startup>
    28     </servlet>
    29     <servlet-mapping>
    30         <servlet-name>dispatcherServlet</servlet-name>
    31         <url-pattern>/</url-pattern>
    32     </servlet-mapping>
    33 
    34     <!--解决中文乱码过滤器-->
    35     <filter>
    36         <filter-name>characterEncodingFilter</filter-name>
    37         <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
    38         <init-param>
    39             <param-name>encoding</param-name>
    40             <param-value>UTF-8</param-value>
    41         </init-param>
    42     </filter>
    43     <filter-mapping>
    44         <filter-name>characterEncodingFilter</filter-name>
    45         <url-pattern>/*</url-pattern>
    46     </filter-mapping>
    47 </web-app>
    View Code

    6.遇到的问题

    当运行该工程时报500错误

    http500错误是服务器内部错误,看提示显示index.jsp页面的第七行报错。于是在pages文件下新建一个hello.jsp,将index.jsp跳转改为/pages/hello.jsp发现能正常访问。估计是main.jsp中的错误,后来才发现main.jsp页面中引入了aside.jsp其中有使用spring-security的标签,而在pom.xml中没有引入spring-security相应的坐标。因此在pom.xml中引入相应的坐标后就能正常访问。

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  • 原文地址:https://www.cnblogs.com/qzwl/p/11555062.html
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