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idea下使用 Maven构建一个Java Web项目（Maven Webapp）_maven webapp和site

作者：知新_RL | 2024-08-06 06:58:56

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maven webapp和site

开篇之前先讲讲什么是Maven：

Maven 是Apache下的一个开源项目，它是一个创新的项目管理工具，它用于对Java项目进行项目构建、依赖管理及项目信息管理。

总结一下：Maven是个项目管理工具。这个管理工具到底如何使用，有什么用呢？这个才是要说的。在没有maven之前，我们创建一个项目工程或开发中需要依赖某个Jar，都是去下载Jar然后粘贴到当前项目 lib中来，然后每个项目的 lib文件夹下都保存着一堆Jar，然后复制给同事某个项目一看都要几十MB；而使用Maven构建的项目会在项目根目录下生成一个pom.xml， 这个xml文件通过<dependency>...</dependency>引入该项目所依赖的所有Jar。当需要引入某个Jar时，只需要在pom.xml中配置引入即可（Maven仓中存在即用，不存在就会去下载），而这些依赖的Jar都是保存到本地Maven仓中，项目工程都使用这一个Maven仓，项目运行只需要构建build之后便可以运行，是不是感觉轻便了许多，新建项目不需要再去复制一堆Jar了，只要在pom.xml引入即可，项目拷贝到不同机器只要有pom.xml就可以了。

回到主题，使用 idea创建一个Maven Webapp：

一、创建项目

我不想一个项目换个文件夹（workspace），所以我都是创建Module，关于这一点（idea的Project、Module 和eclipse的workspace 、Project的对应关系）的解释可以参考我上一篇博客:https://blog.csdn.net/shenju2011/article/details/103250717

选择Maven ----> Create form archetype ----> 选择 Maven-archetype-webapp ，如下图是红色选项（不是浅蓝色蓝色），不要选错。

之后填写项目名称，选择项目地址即可：

finish之后会在工程里面生成一个空的项目：

这会有一个build的过程。右下角有进度。构建完成后，目录：

可以看到此时的pom.xml，只引入了一个junit包。如下图：

  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>mimi</groupId>
  8.   <artifactId>mimi</artifactId>
  9.   <version>1.0-SNAPSHOT</version>
  10.   <packaging>war</packaging>
  11.  
  12.   <name>mimi Maven Webapp</name>
  13.   <!-- FIXME change it to the project's website -->
  14.   <url>http://www.example.com</url>
  15.  
  16.   <properties>
  17.     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
  18.     <maven.compiler.source>1.7</maven.compiler.source>
  19.     <maven.compiler.target>1.7</maven.compiler.target>
  20.   </properties>
  21.  
  22.   <dependencies>
  23.  
  24.     <dependency>
  25.       <groupId>junit</groupId>
  26.       <artifactId>junit</artifactId>
  27.       <version>4.11</version>
  28.       <scope>test</scope>
  29.     </dependency>
  30.  
  31.   </dependencies>
  32.  
  33.   <build>
  34.     <finalName>mimi</finalName>
  35.     <pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) -->
  36.       <plugins>
  37.         <plugin>
  38.           <artifactId>maven-clean-plugin</artifactId>
  39.           <version>3.1.0</version>
  40.         </plugin>
  41.         <!-- see http://maven.apache.org/ref/current/maven-core/default-bindings.html#Plugin_bindings_for_war_packaging -->
  42.         <plugin>
  43.           <artifactId>maven-resources-plugin</artifactId>
  44.           <version>3.0.2</version>
  45.         </plugin>
  46.         <plugin>
  47.           <artifactId>maven-compiler-plugin</artifactId>
  48.           <version>3.8.0</version>
  49.         </plugin>
  50.         <plugin>
  51.           <artifactId>maven-surefire-plugin</artifactId>
  52.           <version>2.22.1</version>
  53.         </plugin>
  54.         <plugin>
  55.           <artifactId>maven-war-plugin</artifactId>
  56.           <version>3.2.2</version>
  57.         </plugin>
  58.         <plugin>
  59.           <artifactId>maven-install-plugin</artifactId>
  60.           <version>2.5.2</version>
  61.         </plugin>
  62.         <plugin>
  63.           <artifactId>maven-deploy-plugin</artifactId>
  64.           <version>2.8.2</version>
  65.         </plugin>
  66.       </plugins>
  67.     </pluginManagement>
  68.   </build>
  69. </project>

二、创建配置文件

    先创建文件，下一步再做配置。

    创建：app-config.xml（applicationContext.xml）， mvc-config.xml，创建Java Package：com.mimi.controller、 com.mimi.domain、com.mimi.service ，UserController ， User，  UserService ，util等java类文件

三、配置设置

1.pom.xml 引入Jar

  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>mimi</groupId>
  8.   <artifactId>mimi</artifactId>
  9.   <version>1.0-SNAPSHOT</version>
  10.   <packaging>war</packaging>
  11.  
  12.   <name>mimi Maven Webapp</name>
  13.   <!-- FIXME change it to the project's website -->
  14.   <url>http://www.example.com</url>
  15.  
  16.   <properties>
  17.     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
  18.     <maven.compiler.source>1.7</maven.compiler.source>
  19.     <maven.compiler.target>1.7</maven.compiler.target>
  20.     <log4j.version>1.2.17</log4j.version>
  21.     <slf4j.version>1.7.7</slf4j.version>
  22.   </properties>
  23.  
  24.   <dependencies>
  25.     <dependency>
  26.       <groupId>junit</groupId>
  27.       <artifactId>junit</artifactId>
  28.       <version>4.11</version>
  29.       <scope>test</scope>
  30.     </dependency>
  31.  
  32.     <!-- https://mvnrepository.com/artifact/org.springframework/spring-webmvc -->
  33.     <dependency>
  34.       <groupId>org.springframework</groupId>
  35.       <artifactId>spring-web</artifactId>
  36.       <version>4.2.3.RELEASE</version>
  37.     </dependency>
  38.     <dependency>
  39.       <groupId>org.springframework</groupId>
  40.       <artifactId>spring-webmvc</artifactId>
  41.       <version>4.2.3.RELEASE</version>
  42.     </dependency>
  43.     <dependency>
  44.       <groupId>org.springframework</groupId>
  45.       <artifactId>spring-beans</artifactId>
  46.       <version>4.2.3.RELEASE</version>
  47.     </dependency>
  48.  
  49.     <!-- Spring-Jdbc  -->
  50.     <!-- https://mvnrepository.com/artifact/org.springframework/spring-jdbc -->
  51.     <dependency>
  52.       <groupId>org.springframework</groupId>
  53.       <artifactId>spring-jdbc</artifactId>
  54.       <version>4.2.3.RELEASE</version>
  55.     </dependency>
  56.     <!-- Spring aspect 面向切面编程 -->
  57.     <!-- https://mvnrepository.com/artifact/org.springframework/spring-aspects -->
  58.     <dependency>
  59.       <groupId>org.springframework</groupId>
  60.       <artifactId>spring-aspects</artifactId>
  61.       <version>4.2.3.RELEASE</version>
  62.     </dependency>
  63.  
  64.     <dependency>
  65.       <groupId>com.alibaba</groupId>
  66.       <artifactId>druid</artifactId>
  67.       <version>1.0.29</version>
  68.     </dependency>
  69.  
  70.     <!--  mysql数据库驱动 -->
  71.     <dependency>
  72.       <groupId>mysql</groupId>
  73.       <artifactId>mysql-connector-java</artifactId>
  74.       <version>5.1.15</version>
  75.     </dependency>
  76.  
  77.     <!-- json start （fastjson & jackjson） -->
  78.     <dependency>
  79.       <groupId>org.codehaus.jackson</groupId>
  80.       <artifactId>jackson-mapper-asl</artifactId>
  81.       <version>1.9.13</version>
  82.     </dependency>
  83.     <dependency>
  84.       <groupId>com.alibaba</groupId>
  85.       <artifactId>fastjson</artifactId>
  86.       <version>1.2.31</version>
  87.     </dependency>
  88.  
  89.     <dependency>
  90.       <groupId>com.fasterxml.jackson.core</groupId>
  91.       <artifactId>jackson-databind</artifactId>
  92.       <version>2.9.8</version>
  93.     </dependency>
  94.  
  95.     <!-- servlet start -->
  96.     <dependency>
  97.       <groupId>javax.servlet</groupId>
  98.       <artifactId>servlet-api</artifactId>
  99.       <version>3.0-alpha-1</version>
  100.     </dependency>
  101.     <dependency>
  102.       <groupId>javax.servlet</groupId>
  103.       <artifactId>jstl</artifactId>
  104.       <version>1.2</version>
  105.     </dependency>
  106.     <!-- servlet end -->
  107.  
  108.     <!-- log4j start -->
  109.     <dependency>
  110.       <groupId>log4j</groupId>
  111.       <artifactId>log4j</artifactId>
  112.       <version>${log4j.version}</version>
  113.     </dependency>
  114.     <dependency>
  115.       <groupId>org.slf4j</groupId>
  116.       <artifactId>slf4j-api</artifactId>
  117.       <version>${slf4j.version}</version>
  118.     </dependency>
  119.     <dependency>
  120.       <groupId>org.slf4j</groupId>
  121.       <artifactId>slf4j-log4j12</artifactId>
  122.       <version>${slf4j.version}</version>
  123.     </dependency>
  124.  
  125.     <dependency>
  126.       <groupId>junit</groupId>
  127.       <artifactId>junit</artifactId>
  128.       <version>4.11</version>
  129.       <scope>test</scope>
  130.     </dependency>
  131.  
  132.   </dependencies>
  133.  
  134.   <build>
  135.     <finalName>mimi</finalName>
  136.     <pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) -->
  137.       <plugins>
  138.         <plugin>
  139.           <artifactId>maven-clean-plugin</artifactId>
  140.           <version>3.1.0</version>
  141.         </plugin>
  142.         <!-- see http://maven.apache.org/ref/current/maven-core/default-bindings.html#Plugin_bindings_for_war_packaging -->
  143.         <plugin>
  144.           <artifactId>maven-resources-plugin</artifactId>
  145.           <version>3.0.2</version>
  146.         </plugin>
  147.         <plugin>
  148.           <artifactId>maven-compiler-plugin</artifactId>
  149.           <version>3.8.0</version>
  150.         </plugin>
  151.         <plugin>
  152.           <artifactId>maven-surefire-plugin</artifactId>
  153.           <version>2.22.1</version>
  154.         </plugin>
  155.         <plugin>
  156.           <artifactId>maven-war-plugin</artifactId>
  157.           <version>3.2.2</version>
  158.         </plugin>
  159.         <plugin>
  160.           <artifactId>maven-install-plugin</artifactId>
  161.           <version>2.5.2</version>
  162.         </plugin>
  163.         <plugin>
  164.           <artifactId>maven-deploy-plugin</artifactId>
  165.           <version>2.8.2</version>
  166.         </plugin>
  167.       </plugins>
  168.     </pluginManagement>
  169.   </build>
  170. </project>

2、配置web.xml

  1. <!DOCTYPE web-app PUBLIC
  2.         "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
  3.         "http://java.sun.com/dtd/web-app_2_3.dtd" >
  4.  
  5. <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://xmlns.jcp.org/xml/ns/javaee"
  6.          xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
  7.          id="WebApp_ID" version="3.1">
  8.   <display-name>Archetype Created Web Application</display-name>
  9.  
  10.   <!-- 日志记录 -->
  11.   <context-param>
  12.     <!-- 日志配置文件路径 -->
  13.     <param-name>log4jConfigLocation</param-name>
  14.     <param-value>classpath:config/log4j.properties</param-value>
  15.   </context-param>
  16.   <context-param>
  17.     <!-- 日志页面的刷新间隔 -->
  18.     <param-name>log4jRefreshInterval</param-name>
  19.     <param-value>6000</param-value>
  20.   </context-param>
  21.  
  22.   <!--  <context-param>-->
  23.   <!--    <param-name>contextConfigLocation</param-name>-->
  24.   <!--    <param-value>classpath:config/app-config.xml</param-value>-->
  25.   <!--  </context-param>-->
  26.   <!--  <listener>-->
  27.   <!--    <listener-class>org.springframework.sodc.context.ContextLoaderListener</listener-class>-->
  28.   <!--  </listener>-->
  29.  
  30.   <!-- 编码过滤器 -->
  31.   <filter>
  32.     <filter-name>encodingFilter</filter-name>
  33.     <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
  34.     <init-param>
  35.       <param-name>encoding</param-name>
  36.       <param-value>UTF-8</param-value>
  37.     </init-param>
  38.   </filter>
  39.   <filter-mapping>
  40.     <filter-name>encodingFilter</filter-name>
  41.     <url-pattern>/*</url-pattern>
  42.   </filter-mapping>
  43.  
  44.   <!-- 配置DispatcherServlet -->
  45.   <servlet>
  46.     <servlet-name>SpringMVC</servlet-name>
  47.     <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
  48.     <!-- 配置springMVC需要加载的配置文件-->
  49.     <init-param>
  50.       <param-name>contextConfigLocation</param-name>
  51.       <!--      <param-value>classpath:/config/mvc-config.xml</param-value>-->
  52.       <param-value>classpath:/conf/app-config.xml</param-value>
  53.       <!--      <param-value>classpath:/config/spring/mvc-config.xml</param-value>-->
  54.     </init-param>
  55.     <load-on-startup>1</load-on-startup>
  56.     <async-supported>true</async-supported>
  57.   </servlet>
  58.  
  59.   <servlet-mapping>
  60.     <servlet-name>SpringMVC</servlet-name>
  61.     <!-- 匹配所有请求，此处也可以配置成 * 形式 -->
  62.     <url-pattern>/</url-pattern>
  63.   </servlet-mapping>
  64.  
  65.   <welcome-file-list>
  66.     <welcome-file>index.html</welcome-file>
  67.     <welcome-file>index.jsp</welcome-file>
  68.   </welcome-file-list>
  69.  
  70.   <session-config>
  71.     <session-timeout>60</session-timeout>
  72.   </session-config>
  73.  
  74. </web-app>
  75.  
  76.

3、app-config.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:aop="http://www.springframework.org/schema/aop"
  5.        xmlns:context="http://www.springframework.org/schema/context"
  6.        xmlns:task="http://www.springframework.org/schema/task"
  7.        xmlns:mvc="http://www.springframework.org/schema/mvc"
  8.        xmlns:tx="http://www.springframework.org/schema/tx"
  9.        xmlns:jee="http://www.springframework.org/schema/jee"
  10.        xsi:schemaLocation=" http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd
  11. 		http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
  12. 		http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd
  13. 		http://www.springframework.org/schema/context
  14. 		http://www.springframework.org/schema/context/spring-context.xsd
  15. 		http://www.springframework.org/schema/tx
  16. 		http://www.springframework.org/schema/tx/spring-tx.xsd
  17. 		http://www.springframework.org/schema/task
  18. 		http://www.springframework.org/schema/task/spring-task.xsd
  19. 		http://www.springframework.org/schema/jee
  20. 		http://www.springframework.org/schema/jee/spring-jee.xsd
  21.        ">
  22.     <!--  上面 虽然没有标注版本号 ; 但spring可以自动配置最合适的版本号  -->
  23.     <!-- 采用注释的方式配置bean -->
  24.     <context:annotation-config />
  25.     <!-- 自动扫描注解 -->
  26.     <context:component-scan base-package="com.mimi"/>
  27.  
  28.     <bean class="org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor"/>
  29.  
  30.     <jee:jndi-lookup id="dataSource"
  31.                      jndi-name="jdbc/AppService"
  32.                      cache="true"
  33.                      resource-ref="true"
  34.                      lookup-on-startup="false"
  35.                      proxy-interface="javax.sql.DataSource"/>
  36.     <bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate">
  37.         <property name="dataSource" ref="dataSource"/>
  38.     </bean>
  39.     <!-- enable the configuration of transactional behavior based on annotations -->
  40.     <tx:annotation-driven transaction-manager="transactionManager"/>
  41.     <!-- a PlatformTransactionManager is still required -->
  42.     <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
  43.         <property name="dataSource" ref="dataSource"/>
  44.     </bean>
  45.  
  46.     <!-- 定时任务 -->
  47.     <!--    <bean id="gDate" class="GetEChartsDataService" />-->
  48.     <!--    <task:scheduled-tasks>-->
  49.     <!--        <task:scheduled ref="gDate" method="refreshData" cron="0/30 * * * * ?" />-->
  50.     <!--    </task:scheduled-tasks>-->
  51.  
  52.  
  53.     <!-- Configures Spring MVC -->
  54.     <import resource="mvc-config.xml" />
  55.  
  56. </beans>

4、mvc-config.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"
  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.xsd
  8.        http://www.springframework.org/schema/context
  9.        http://www.springframework.org/schema/context/spring-context.xsd
  10.        http://www.springframework.org/schema/mvc
  11.        http://www.springframework.org/schema/mvc/spring-mvc.xsd">
  12.  
  13.     <!-- 扫描 -->
  14.     <context:annotation-config />
  15.     <context:component-scan base-package="com.mimi"/>
  16.     <!-- 开启SpringMVC注解模式 -->
  17.     <mvc:annotation-driven/>
  18.     <!-- 静态资源默认servlet配置 -->
  19.     <mvc:default-servlet-handler/>
  20.     <!-- 视图解析 -->
  21.     <bean class="org.springframework.web.servlet.view.ContentNegotiatingViewResolver">
  22.         <property name="viewResolvers">
  23.             <list>
  24.                 <bean class="org.springframework.web.servlet.view.BeanNameViewResolver"/>
  25.                 <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
  26.                     <!--	<property name="prefix" value="/WEB-INF/jsp/"/>
  27.                         <property name="suffix" value=".jsp"/> -->
  28.                 </bean>
  29.             </list>
  30.         </property>
  31.         <property name="defaultViews">
  32.             <list>
  33.                 <!--json视图 -->
  34.                 <bean class="org.springframework.web.servlet.view.json.MappingJackson2JsonView" />
  35.                 <!--xml视图-->
  36.                 <!--                <bean class="org.springframework.sodc.servlet.view.xml.MarshallingView">-->
  37.                 <!--                    <constructor-arg>-->
  38.                 <!--                        <bean class="org.springframework.oxm.jaxb.Jaxb2Marshaller">-->
  39.                 <!--                            <property name="classesToBeBound">-->
  40.                 <!--                                <list>-->
  41.                 <!--                                    <value>com.cn.my.entity.Course</value>-->
  42.                 <!--                                    <value>com.cn.my.entity.CourseList</value>-->
  43.                 <!--                                </list>-->
  44.                 <!--                            </property>-->
  45.                 <!--                    </bean>-->
  46.                 <!--                    </constructor-arg>-->
  47.                 <!--                </bean>-->
  48.             </list>
  49.         </property>
  50.     </bean>
  51.  
  52.     <bean id="contentNegotiationManager"  class="org.springframework.web.accept.ContentNegotiationManagerFactoryBean">
  53.         <property name="favorParameter" value="true"/>
  54.         <property name="parameterName" value="format"/>
  55.         <property name="ignoreAcceptHeader" value="false"/>
  56.         <property name="mediaTypes">
  57.             <value>
  58.                 json=application/json
  59.                 xml=application/xml
  60.                 html=text/html
  61.             </value>
  62.         </property>
  63.         <property name="defaultContentType" value="text/html"/>
  64.     </bean>
  65.  
  66.     <!-- 配置jsp 显示ViewResolver -->
  67.     <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
  68.         <property name="viewClass" value="org.springframework.web.servlet.view.JstlView"/>
  69.         <property name="prefix" value="/WEB-INF/views/"/>
  70.         <property name="suffix" value=".jsp"/>
  71.     </bean>
  72.  
  73.     <!-- 解决 IE浏览器 不能正常解析 json 问题 -->
  74.     <!--    <mvc:annotation-driven>-->
  75.     <!--        <mvc:message-converters register-defaults="true">-->
  76.     <!--            <bean class="com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter">-->
  77.     <!--                <property name="supportedMediaTypes">-->
  78.     <!--                    <list>-->
  79.     <!--                        <value>text/plain;charset=utf-8</value>-->
  80.     <!--                        <value>application/json;charset=utf-8</value>-->
  81.     <!--                        <value>application/x-www-form-urlencoded</value>-->
  82.     <!--                    </list>-->
  83.     <!--                </property>-->
  84.     <!--            </bean>-->
  85.     <!--        </mvc:message-converters>-->
  86.     <!--    </mvc:annotation-driven>-->
  87.  
  88.     <!--配置静态资源映射,防止静态资源被拦截后导致controller返回的页面的js,css失效  -->
  89.     <!--    <mvc:resources location="/static/" mapping="/static/**"></mvc:resources>-->
  90.  
  91. </beans>

5、Java类

UserController.java

  1. package com.mimi.controller;
  2.  
  3. import com.mimi.domain.BaseResp;
  4. import com.mimi.domain.User;
  5. import com.mimi.service.UserService;
  6. import com.mimi.util.Util;
  7. import org.springframework.beans.factory.annotation.Autowired;
  8. import org.springframework.stereotype.Controller;
  9. import org.springframework.web.bind.annotation.ModelAttribute;
  10. import org.springframework.web.bind.annotation.RequestMapping;
  11. import org.springframework.web.bind.annotation.ResponseBody;
  12.  
  13. import javax.servlet.http.HttpServletRequest;
  14. import javax.servlet.http.HttpSession;
  15.  
  16. @Controller
  17. @RequestMapping("/user")
  18. public class UserController {
  19.     @Autowired
  20.     UserService userService;
  21.  
  22.     @Autowired(required = true)
  23.     private HttpServletRequest request;
  24.  
  25.     @RequestMapping("/login")
  26.     @ResponseBody
  27.     public BaseResp login(String userId, String pwd, @ModelAttribute("clientIpAddress") String clientIpAddress)
  28.     {
  29.         try {
  30.             System.out.println("userId : "+userId +"pwd : " + pwd);
  31.             // 校验用户名，密码，检验码,设置最后登陆时间和IP地址
  32.             HttpSession session = request.getSession();
  33.             User user = this.userService.checkLogin(userId, pwd);
  34.             System.out.println(user);
  35.             if (Util.isBlank(user)) {
  36.                 // 记录日志
  37.                 return BaseResp.getFailInstance("Account or Password error, please check your account.");
  38.             }
  39.             // 获取岗位等其他信息
  40.             session.setAttribute("user", user);
  41. //            session.setAttribute("emp", emp);
  42. //            session.setAttribute("orgName", orgName);
  43. //            session.setAttribute("rndNum", userId + sDate);
  44.             session.setAttribute("clientIpAddress", clientIpAddress);
  45.             // 记录日志
  46.  
  47.             return BaseResp.getSuccessInstance(user);
  48.         } catch (Exception e) {
  49.             e.printStackTrace();
  50.             return BaseResp.getFailInstance();
  51.         }
  52.  
  53.     }
  54. }

User.java 

  1. package com.mimi.domain;
  2.  
  3. public class User {
  4.  
  5.  
  6.     private String userId;
  7.     private String password;
  8.     private String status;
  9.  
  10.     public String getUserId() {
  11.         return userId;
  12.     }
  13.  
  14.     public void setUserId(String userId) {
  15.         this.userId = userId;
  16.     }
  17.  
  18.     public String getPassword() {
  19.         return password;
  20.     }
  21.  
  22.     public void setPassword(String password) {
  23.         this.password = password;
  24.     }
  25.  
  26.     public String getStatus() {
  27.         return status;
  28.     }
  29.  
  30.     public void setStatus(String status) {
  31.         this.status = status;
  32.     }
  33.  
  34.     @Override
  35.     public String toString() {
  36.         return "User{" +
  37.                 "userId='" + userId + '\'' +
  38.                 ", password='" + password + '\'' +
  39.                 ", status='" + status + '\'' +
  40.                 '}';
  41.     }
  42. }

BaseResp.java 

  1. package com.mimi.domain;
  2.  
  3. public class BaseResp {
  4.  
  5.     public final static Integer HTTP_OK = 200;
  6.     public final static String MESSAGE_OK = "SUCCESS";
  7.  
  8.     public final static Integer HTTP_ERROR_500 = 500;
  9.     public final static String MESSAGE_ERROR = "The system error, please wait.";
  10.  
  11.     public final static Integer HTTP_ERROR_501 = 501;
  12.  
  13.     private Integer retCode;
  14.     private String message;
  15.     private Object data;
  16.  
  17.     public BaseResp() { }
  18.  
  19.     public BaseResp(int retCode, String message, Object data) {
  20.         this.retCode = retCode;
  21.         this.message = message;
  22.         this.data = data;
  23.     }
  24.  
  25.     public static BaseResp getSuccessInstance() {
  26.         return new BaseResp(HTTP_OK, MESSAGE_OK, null);
  27.     }
  28.  
  29.     public static BaseResp getSuccessInstance(Object data) {
  30.         return new BaseResp(HTTP_OK, MESSAGE_OK, data);
  31.     }
  32.  
  33.     // 系统异常
  34.     public static BaseResp getFailInstance() {
  35.         return new BaseResp(HTTP_ERROR_500, MESSAGE_ERROR, null);
  36.     }
  37.  
  38.     //  业务异常
  39.     public static BaseResp getFailInstance(String errorMsg) {
  40.         return new BaseResp(HTTP_ERROR_501, errorMsg, null);
  41.     }
  42.  
  43.     public Integer getRetCode() {
  44.         return retCode;
  45.     }
  46.  
  47.     public void setRetCode(Integer retCode) {
  48.         this.retCode = retCode;
  49.     }
  50.  
  51.     public String getMessage() {
  52.         return message;
  53.     }
  54.  
  55.     public void setMessage(String message) {
  56.         this.message = message;
  57.     }
  58.  
  59.     public Object getData() {
  60.         return data;
  61.     }
  62.  
  63.     public void setData(Object data) {
  64.         this.data = data;
  65.     }
  66. }

UserService.java 

  1. package com.mimi.service;
  2.  
  3. import com.mimi.domain.User;
  4. import org.springframework.beans.factory.annotation.Autowired;
  5. import org.springframework.dao.EmptyResultDataAccessException;
  6. import org.springframework.jdbc.core.BeanPropertyRowMapper;
  7. import org.springframework.jdbc.core.JdbcTemplate;
  8. import org.springframework.stereotype.Service;
  9.  
  10. import javax.sql.DataSource;
  11.  
  12. @Service
  13. public class UserService {
  14.  
  15.     @Autowired
  16.     private JdbcTemplate jdbcTemplate;
  17.  
  18.     @Autowired
  19.     private void setDataSource(DataSource dataSource) {
  20.         this.jdbcTemplate = new JdbcTemplate(dataSource);
  21.     }
  22.  
  23.     public User checkLogin(String userId, String pwd) {
  24.         try {
  25.             String sql = "select * from T_USER where  userId=? and password=?";
  26.             System.out.println("sql="+sql);
  27.             final Object[] params = new Object[]{userId, pwd};
  28.             return this.jdbcTemplate.queryForObject(sql, params, new BeanPropertyRowMapper<User>(User.class));
  29.         } catch (EmptyResultDataAccessException e) {
  30.             return null;
  31.         }
  32.     }
  33. }

6、context.xml

 这个是数据库连接参数的配置，这里就不说怎么生成这个context.xml，不知道的话可以看看我上一篇文章。

  1. <?xml version="1.0" encoding="UTF-8"?>
  2. <Context path="/">
  3.     <Resource auth="Container" driverClassName="com.mysql.jdbc.Driver"
  4.               maxActive="20" maxIdle="3"
  5.               name="jdbc/AppService" password="root123456"
  6.               type="javax.sql.DataSource"
  7.               url="jdbc:mysql://localhost:3306/myfb?useUnicode=true&amp;characterEncoding=UTF-8&amp;autoReconnect=true"
  8.               username="root"/>
  9. </Context>

 

四、数据库、Tomcat的配置

和上一篇使用的是同一个数据库，访问的是同一张表。

Tomcat的配置，就是不说了，上篇文章已经说过了。

配置完Tomcat启动成功后会在 浏览器看到hello word。这里也不做前端页面了，使用一下 postman验证一下登陆接口：

 

总结：

     其实 使用maven来构建项目，就是将Jar交给 pom.xml来引入，然后项目的目录结构有稍微的区别。还有就是在 Idea中使用Maven来构建，他会自动配置 Project Structure，不用我们再像之前那样手动的设置 Modules 、Facets、Artifacts等配置信息。其他的和之前我写过的 简单的apringMva的 Java Web一样。

 

 

 

 

 

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