Preparations: Install the idea editor, configure the maven environment (idea comes with the maven environment) and the Java environment
1. Open the idea editor
2. Click "Create New Project"
3. Select "maven"
4. Check "Create from archetype"
5. Find and select "maven-archetype-webapp"
6. Click "Next"
7. Fill in the project information
8. Click "next" to enter the maven information page, where you can modify the maven configuration file, installation path, etc.
9. After the configuration is completed, click "next", the project name and the local storage path of the project will appear.
10. Click "finish" to complete the construction of the project project and maven environment. After completion, the project structure is as shown in the figure
11. pom.xml dependencies
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.hz1202</groupId>
<artifactId>permission</artifactId>
<packaging>war</packaging>
<version>1.0-SNAPSHOT</version>
<name>permission Maven Webapp</name>
<url>http://maven.apache.org</url>
<properties>
<springframework.version>4.1.3.RELEASE</springframework.version>
</properties>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>3.8.1</version>
<scope>test</scope>
</dependency>
<!--spring start-->
<!--spring依赖 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-beans</artifactId>
<version>${springframework.version}</version>
</dependency>
<!--spring上下文 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${springframework.version}</version>
</dependency>
<!--springMVC-->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>${springframework.version}</version>
</dependency>
<!-- springMVC-->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${springframework.version}</version>
</dependency>
<!--spring-jdbc-->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>${springframework.version}</version>
</dependency>
<!--spring end-->
<!--数据库配置-->
<!--mybatis-->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.4.5</version>
</dependency>
<!--spring + mybatis-->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.3.1</version>
</dependency>
<!--druid-->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
<version>1.1.6</version>
</dependency>
<!--mysql-->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.44</version>
</dependency>
<!--lombok-->
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.16.18</version>
</dependency>
<!--jackson-->
<dependency>
<groupId>com.fasterxml.jackson.datatype</groupId>
<artifactId>jackson-datatype-guava</artifactId>
<version>2.5.3</version>
</dependency>
</dependencies>
<build>
<finalName>permission</finalName>
</build>
</project>
Note: The jackson version may conflict with the spring version, it is recommended that the spring version should not be too high
12. Configure web.xml
<!DOCTYPE web-app PUBLIC
"-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
"http://java.sun.com/dtd/web-app_2_3.dtd" >
<web-app>
<display-name>Archetype Created Web Application</display-name>
<!--为spring配置一个监听器，用于监听spring-bean上下文加载-->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!--spring beans 配置文件所在的目录-->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:applicationContext.xml</param-value>
</context-param>
<!--springMVC 配置-->
<servlet>
<servlet-name>spring</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:spring-mvc.xml</param-value>
</init-param>
</servlet>
<servlet-mapping>
<servlet-name>spring</servlet-name>
<!--“/”只拦截请求 如 /index /add 不拦截页面 静态文件如/index.jsp /style.css. "/*"全拦截-->
<url-pattern>/</url-pattern>
</servlet-mapping>
<!--指定编码-->
<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>
<!--是否强制编码-->
<init-param>
<param-name>forceEncoding</param-name>
<param-value>true</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>encodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
<!--druid监控-->
<servlet>
<servlet-name>DruidStatServlet</servlet-name>
<servlet-class>com.alibaba.druid.support.http.StatViewFilter</servlet-class>
<init-param>
<param-name>loginUsername</param-name>
<param-value>druid</param-value>
</init-param>
<init-param>
<param-name>loginPassword</param-name>
<param-value>123456</param-value>
</init-param>
</servlet>
<servlet-mapping>
<servlet-name>DruidStatServlet</servlet-name>
<url-pattern>/sys/druid/*</url-pattern>
</servlet-mapping>
<filter>
<filter-name>DruidStatFilter</filter-name>
<filter-class>com.alibaba.druid.support.http.WebStatFilter</filter-class>
<init-param>
<param-name>exclusions</param-name>
<param-value>*.js,*.css,*.jpg,*.png,*.ico,*.gif,/sys/druid/*</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>DruidStatFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
</web-app>
13、springmvc配置"spring-mvc.xml"
<?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:mvc="http://www.springframework.org/schema/mvc"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-4.0.xsd">
<!--开启上下文注解-->
<context:annotation-config/>
<!--启动注解驱动的springmvc功能-->
<mvc:annotation-driven/>
<!--启动包扫面功能-->
<context:component-scan base-package="com.hz1202.controller"/>
<context:component-scan base-package="com.hz1202.service"/>
<!--自定义全局异常类-->
<bean class="com.hz1202.common.SpringExceptionResolver" />
<!--json格式数据的请求处理方式-->
<bean class="org.springframework.web.servlet.view.BeanNameViewResolver" />
<bean id="jsonView" class="org.springframework.web.servlet.view.json.MappingJackson2JsonView" />
<!--视图解析器-->
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/views/" />
<property name="suffix" value=".jsp" />
</bean>
</beans>14, spring configuration "application.xml"
<?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:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd">
<!--外部properties文件-->
<bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<!--忽略不能处理的占位-->
<property name="ignoreUnresolvablePlaceholders" value="true"></property>
<property name="locations">
<list>
<value>classpath:database.properties</value>
</list>
</property>
</bean>
<!--数据源配置-->
<bean id="datasource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close">
<property name="driverClassName" value="${db.driverClassName}"/>
<property name="url" value="${db.url}"/>
<property name="username" value="${db.username}"/>
<property name="password" value="${db.password}"/>
<property name="initialSize" value="3"/>
<property name="minIdle" value="3"/>
<property name="maxActive" value="20"/>
<property name="maxWait" value="60000"/>
<property name="filters" value="stat,wall"/>
</bean>
<!--配置sessionfactory-->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<!--指定mybatis配置文件-->
<property name="configLocation" value="classpath:mybatis-config.xml"/>
<!--指定数据源-->
<property name="dataSource" ref="datasource"/>
<!--指定mapper.xml文件位置-->
<property name="mapperLocations" value="classpath:mapper/*.xml"/>
</bean>
<!--指定dao位置-->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="com.hz1202.dao"/>
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
</bean>
<!--事务-->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="datasource"/>
</bean>
<!--事务注解-->
<tx:annotation-driven transaction-manager="transactionManager"/>
<!--druid监控-->
<bean id="stat-filter" class="com.alibaba.druid.filter.stat.StatFilter">
<property name="slowSqlMillis" value="3000"/>
<property name="logSlowSql" value="true"/>
<property name="mergeSql" value="true"/>
</bean>
<bean id="wall-filter" class="com.alibaba.druid.wall.WallFilter">
<property name="dbType" value="mysql"/>
</bean>
</beans>15. Mybatis configuration "mybatis-config,xml"
<?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>
<!-- setting 迟延加载 二级缓存 （不用） 分布式缓存 -->
<settings>
<!--<setting name="logImpl" value="STDOUT_LOGGING"/>-->
<setting name="useGeneratedKeys" value="true"/>
<setting name="mapUnderscoreToCamelCase" value="true"/>
</settings>
<!-- 别名 -->
<!--<typeAliases>
<package name="com.lg.core.bean"/>
</typeAliases>-->
<plugins>
<!-- com.github.pagehelper为PageHelper类所在包名 -->
<plugin interceptor="com.github.pagehelper.PageInterceptor">
</plugin>
</plugins>
</configuration>16. Log file configuration "logback.xml"
<?xml version="1.0" encoding="UTF-8"?>
<configuration scan="true" scanPeriod="60 seconds">
<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
<!--指定日志输出格式-->
<encoder>
<pattern>%d{yyyy-MM-d HH:mm:ss} [%thread] %-5level %logger -%msg%n</pattern>
</encoder>
</appender>
<!--<appender name="permission" class="ch.qos.logback.core.rolling.RollingFileAppender">
<file>${catalina.home}/logs/permission.log</file>
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<FileNamePattern>${catalina.home}/logs/permission.%d{yyyy-MM-d}.log.gz</FileNamePattern>
</rollingPolicy>
<layout class="ch.qos.logback.classic.PatternLayout">
<pattern>%d{yyyy-MM-d HH:mm:ss} [%thread] %-5level %logger -%msg%n</pattern>
</layout>
</appender>
<logger></logger>-->
<!--TRACE < DUBUG < INFO < WARN < ERROR-->
<root level="INFO">
<appender-ref ref = "STDOUT"/>
</root>
</configuration>So far: the environment setup is complete