IDEA搭建Maven Web(SSM)項目(二)——jar包引入、jetty服務器配置和ssm配置
1. 配置jetty服務器插件
打開已默認創建的pom.xml文件,其中已經自動引入了一些jar和maven插件,我們在插件區<plugins></plugins>標簽內加入以下代碼段,引入jetty插件jar包,此時idea會自動下載jar包,或者打開右邊Maven project面板刷新,如圖:
<plugin> <groupId>org.mortbay.jetty</groupId> <artifactId>jetty-maven-plugin</artifactId> <version>8.1.16.v20140903</version> <configuration> <connectors> <connector implementation="org.eclipse.jetty.server.bio.SocketConnector"> <port>8080</port> </connector> </connectors> <stopKey /> <stopPort /> </configuration> </plugin>
2. 配置常用maven命令:clean、package、run
點擊工具欄 run-->Edit Configurations,或者點擊圖標進行配置命令,如圖:
打開面板後,點擊左上角+號,選擇maven
輸入Name(自定義)和命令行,package和clean同樣
配置run時需要設置VM
此時,jetty服務器已配置完成,可以啟動。接下來進行SSM項目所需jar和默認jar的引入
3. SSM項目所需jar和默認jar的引入
打開pom.xml文件,在<dependencies></dependencies>標簽內加入以下代碼片段,將需要的ssm項目所需要的jar引入,這些都可以從maven中央倉庫找到,需要註意的是要保證版本的一致性,maven中央倉庫地址:http://mvnrepository.com/
<dependencies> <!--單元測試junit--> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.11</version> <scope>test</scope> </dependency> <!--SpringMVC--> <!-- https://mvnrepository.com/artifact/org.springframework/spring-webmvc --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>4.3.18.RELEASE</version> </dependency> <!--Spring jdbc--> <!-- https://mvnrepository.com/artifact/org.springframework/spring-jdbc --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-jdbc</artifactId> <version>4.3.18.RELEASE</version> </dependency> <!--Spring Aspect 面向切面--> <!-- https://mvnrepository.com/artifact/org.springframework/spring-aspects --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-aspects</artifactId> <version>4.3.18.RELEASE</version> </dependency> <!--Mybatis--> <!-- https://mvnrepository.com/artifact/org.mybatis/mybatis --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> <version>3.4.6</version> </dependency> <!--Mybatis整合Spring適配包--> <!-- https://mvnrepository.com/artifact/org.mybatis/mybatis-spring --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis-spring</artifactId> <version>1.3.2</version> </dependency> <!--oracle數據庫連接驅動--> <dependency> <groupId>com.oracle</groupId> <artifactId>ojdbc6</artifactId> <version>11.2.0.1.0</version> </dependency> <!-- 數據庫連接池 --> <dependency> <groupId>com.alibaba</groupId> <artifactId>druid</artifactId> <version>1.0.5</version> </dependency> <!--servlet、 jstl--> <!-- https://mvnrepository.com/artifact/javax.servlet/jstl --> <dependency> <groupId>javax.servlet</groupId> <artifactId>jstl</artifactId> <version>1.2</version> <scope>provided</scope> </dependency> <dependency> <groupId>javax.servlet.jsp</groupId> <artifactId>jsp-api</artifactId> <version>2.1</version> <scope>provided</scope> </dependency> <dependency> <groupId>org.slf4j</groupId> <artifactId>jcl-over-slf4j</artifactId> <version>${slf4j.version}</version> <scope>provided</scope> </dependency> <dependency> <groupId>org.glassfish</groupId> <artifactId>javax.servlet</artifactId> <version>3.0.1</version> <scope>provided</scope> </dependency> </dependencies>
引入後可以看到這些依賴包已經加入項目:
配置好服務器和引入jar包後,接下來進行ssm項目文件配置,最後進行mybatis逆向生成,配置文件主要有:
web.xml 、applicationContext.xml(Spring) 、dispatcherServlet-servlet.xml (Spring MVC)、mybatis-config.xml(Mybatis)
對於ssm的完整組合,可以免去mybatis-config.xml的配置,這裏為了各框架的清晰表達,將全部列出
下面是項目的目錄結構和各配置文件所放位置:
直接上代碼,有註釋
1. 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 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" id="WebApp_ID" version="3.1">
<display-name>Archetype Created Web Application</display-name>
<!--1. 啟動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>
<!--2. Spring MVC 前端控制器 DispatcherServlet-->
<servlet>
<servlet-name>dispatcherServlet</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>dispatcherServlet</servlet-name>
<url-pattern>*.action</url-pattern>
</servlet-mapping>
<!--3. 字符編碼, 放在所有過濾器之前-->
<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>
<init-param>
<param-name>forceRequestEncoding</param-name>
<param-value>true</param-value>
</init-param>
<init-param>
<param-name>forceResponseEncoding</param-name>
<param-value>true</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>CharacterEncodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!--4. 使用Rest風格的URL-->
<filter>
<filter-name>HiddenHttpMethodFilter</filter-name>
<filter-class>org.springframework.web.filter.HiddenHttpMethodFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>HiddenHttpMethodFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
</web-app>
2. applicationContext.xml
spring配置文件,裏面的數據庫連接部分除了主要信息,其他的可以根據需求配置
<?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:context="http://www.springframework.org/schema/context"
xmlns:aop="http://www.springframework.org/schema/aop"
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/context
http://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx.xsd">
<context:component-scan base-package="com.tumbler">
<!--不掃描Controller包-->
<context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"></context:exclude-filter>
</context:component-scan>
<!--數據源-->
<context:property-placeholder location="classpath:dbconfig.properties"/>
<!-- 阿裏 druid數據庫連接池 -->
<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" destroy-method="close">
<!-- 數據庫基本信息配置 -->
<property name="url" value="${jdbc.url}" />
<property name="username" value="${jdbc.username}" />
<property name="password" value="${jdbc.password}" />
<property name="driverClassName" value="${jdbc.driver}" />
<property name="filters" value="${filters}" />
<!-- 最大並發連接數 -->
<property name="maxActive" value="${maxActive}" />
<!-- 初始化連接數量 -->
<property name="initialSize" value="${initialSize}" />
<!-- 配置獲取連接等待超時的時間 -->
<property name="maxWait" value="${maxWait}" />
<!-- 最小空閑連接數 -->
<property name="minIdle" value="${minIdle}" />
<!-- 配置間隔多久才進行一次檢測,檢測需要關閉的空閑連接,單位是毫秒 -->
<property name="timeBetweenEvictionRunsMillis" value="${timeBetweenEvictionRunsMillis}" />
<!-- 配置一個連接在池中最小生存的時間,單位是毫秒 -->
<property name="minEvictableIdleTimeMillis" value="${minEvictableIdleTimeMillis}" />
<property name="validationQuery" value="${validationQuery}" />
<property name="testWhileIdle" value="${testWhileIdle}" />
<property name="testOnBorrow" value="${testOnBorrow}" />
<property name="testOnReturn" value="${testOnReturn}" />
<property name="maxOpenPreparedStatements" value="${maxOpenPreparedStatements}" />
<!-- 打開removeAbandoned功能 -->
<property name="removeAbandoned" value="${removeAbandoned}" />
<!-- 1800秒,也就是30分鐘 -->
<property name="removeAbandonedTimeout" value="${removeAbandonedTimeout}" />
<!-- 關閉abanded連接時輸出錯誤日誌 -->
<property name="logAbandoned" value="${logAbandoned}" />
</bean>
<!--配置和Mybatis整合-->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<!--指定mybatis全局配置文件的位置-->
<property name="configLocation" value="classpath:mybatis-config.xml"/>
<!--數據源-->
<property name="dataSource" ref="dataSource"/>
<!--指定mybatis mapper文件的位置-->
<property name="mapperLocations" value="classpath:mapper/*.xml"/>
</bean>
<!--配置掃描器 , 將Mybatis接口的實現加入到IOC容器中-->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<!--掃描所有的dao接口,加入到IOC容器中-->
<property name="basePackage" value="com.tumbler.dao"/>
</bean>
<!--事務控制-->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<!--控制數據源-->
<property name="dataSource" ref="dataSource"/>
</bean>
<!--開啟基於註解的事務配置-->
<aop:config>
<!--切入點表達式-->
<aop:pointcut id="txPoint" expression="execution(* com.tumbler.service..*(..))"/>
<!--配置事務增強-->
<aop:advisor advice-ref="txAdvice" pointcut-ref="txPoint"/>
</aop:config>
<!--配置事務增強 事務如何切入-->
<tx:advice id="txAdvice" transaction-manager="transactionManager">
<tx:attributes>
<!--代表切入的所有方法都是事務方法-->
<tx:method name="*"/>
<!--以get開始的所有方法-->
<tx:method name="get*" read-only="true"/>
</tx:attributes>
</tx:advice>
</beans>
3. dispatcherServlet-servlet.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:context="http://www.springframework.org/schema/context"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc.xsd">
<!--Spring MVC 的配置文件,包含網站跳轉的控制-->
<context:component-scan base-package="com.tumbler" use-default-filters="false">
<!--只掃描控制器-->
<context:include-filter type="annotation" expression="org.springframework.stereotype.Controller"></context:include-filter>
</context:component-scan>
<!--配置視圖解析器-->
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/views/"/>
<property name="suffix" value=".jsp"/>
</bean>
<!--兩個標準配置-->
<!--Spring mvc不能處理的請求交給服務器-->
<mvc:default-servlet-handler/>
<!--支持註解,校驗,快捷ajax請求等,映射動態請求-->
<mvc:annotation-driven/>
</beans>
4. 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>
<settings>
<setting name="mapUnderscoreToCamelCase" value="true"/>
</settings>
<typeAliases>
<package name="com.tumbler.bean"/>
</typeAliases>
</configuration>
5. dbconfig.properties
除了基本信息,其他根據需求配置
jdbc.url=jdbc:oracle:thin:@127.0.0.1:1521:orcl
jdbc.driver=oracle.jdbc.driver.OracleDriver
jdbc.username=scott
jdbc.password=oracle
#------------------------------------------------------------------------------------------
#配置擴展插件 監控統計用filters:stat 日誌用filters:log4j 防禦sql註入用filters:wall
filters:log4j
#最大連接池數量 初始化建立物理連接的個數 獲取連接時最長的等待時間 最小連接池數量 maxIdle已經棄用
maxActive:20
initialSize:1
maxWait:60000
minIdle:10
maxIdle:15
#有兩個含義 1.Destroy 線程會檢測連接的時間 2.testWhileIdle的判斷依據
timeBetweenEvictionRunsMillis:60000
#Destory線程中如果檢測到當前連接的最後活躍時間和當前時間的差值大於minEvictableIdleTimeMillis,則關閉當前連接
minEvictableIdleTimeMillis:300000
#用來檢測連接是否的sql,要求是一個查詢語句。在mysql中通常設置為SELECT ‘X‘
validationQuery:SELECT ‘x‘
#申請連接的時候檢測,如果空閑時間大於timeBetweenEvictionRunsMillis,執行validationQuery連接是否有效
testWhileIdle:true
#申請連接時執行validationQuery檢測連接是否有效 這個配置會降低性能
testOnBorrow:false
#歸還連接時執行validationQuery檢測連接是否有效 這個配置會降低性能
testOnReturn:false
#要啟用PSCache,必須配置大於0,當大於0時,poolPreparedStatements自動觸發修改為true
maxOpenPreparedStatements:20
#對於建立連接超過removeAbandonedTimeout的連接強制關閉
removeAbandoned:true
#指定連接建立多長就被強制關閉
removeAbandonedTimeout:1800
#指定發生removeabandoned時,是否記錄當前線程的堆棧信息到日誌中
logAbandoned:true
6. generatorConfig.xml
Mybatis逆向生成配置文件
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE generatorConfiguration
PUBLIC "-//mybatis.org//DTD MyBatis Generator Configuration 1.0//EN"
"http://mybatis.org/dtd/mybatis-generator-config_1_0.dtd">
<generatorConfiguration>
<context id="DB2Tables" targetRuntime="MyBatis3">
<commentGenerator>
<!--不生成註釋-->
<property name="suppressAllComments" value="true"/>
</commentGenerator>
<!--配置數據庫連接信息-->
<jdbcConnection driverClass="oracle.jdbc.driver.OracleDriver"
connectionURL="jdbc:oracle:thin:@127.0.0.1:1521:orcl"
userId="scott"
password="oracle">
</jdbcConnection>
<javaTypeResolver >
<property name="forceBigDecimals" value="false" />
</javaTypeResolver>
<!--指定Javabean生成的位置-->
<javaModelGenerator targetPackage="com.tumbler.bean" targetProject=".\src\main\java">
<property name="enableSubPackages" value="true" />
<property name="trimStrings" value="true" />
</javaModelGenerator>
<!--指定Sql文件的存放位置-->
<sqlMapGenerator targetPackage="mapper" targetProject=".\src\main\resources">
<property name="enableSubPackages" value="true" />
</sqlMapGenerator>
<!--指定dao接口生成的位置-->
<javaClientGenerator type="XMLMAPPER" targetPackage="com.tumbler.dao" targetProject=".\src\main\java">
<property name="enableSubPackages" value="true" />
</javaClientGenerator>
<!--指定每張表的生成策略-->
<table tableName="TB_USER" domainObjectName="User" ></table>
</context>
</generatorConfiguration>
7. runGeneratorMain.java
Mybatis逆向生成運行入口方法
package com.tumbler.test;
import org.mybatis.generator.api.MyBatisGenerator;
import org.mybatis.generator.config.Configuration;
import org.mybatis.generator.config.xml.ConfigurationParser;
import org.mybatis.generator.internal.DefaultShellCallback;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
/**
* User:tumbler
* Date:2018/8/22.
* Desc:Mybatis逆向工程生成代碼主類入口
*/
public class runGeneratorMain {
public static void main(String[] args) throws Exception{
List<String> warnings = new ArrayList<String>();
boolean overwrite = true;
File configFile = new File("generatorConfig.xml");
ConfigurationParser cp = new ConfigurationParser(warnings);
Configuration config = cp.parseConfiguration(configFile);
DefaultShellCallback callback = new DefaultShellCallback(overwrite);
MyBatisGenerator myBatisGenerator = new MyBatisGenerator(config, callback, warnings);
myBatisGenerator.generate(null);
}
}
到此為止,SSM項目已經搭建並配置完成,可以進行業務開發了。。。
IDEA搭建Maven Web(SSM)項目(二)——jar包引入、jetty服務器配置和ssm配置