标签:yml ram ica blank .property exe 规则 curl lte
通常情况下,maven打包结果为jar或war包。
如果需要一并打包配置文件等参数,通过resources配置指定需要打包的文件参数,如下示例:
1 <project> 2 ... 3 <!-- 定义环境 --> 4 <profiles> 5 <!-- 开发环境 --> 6 <profile> 7 <id>dev</id> 8 <properties> 9 <!-- 定义profileActive属性 --> 10 <profileActive>dev</profileActive> 11 </properties> 12 <activation> 13 <activeByDefault>true</activeByDefault> 14 </activation> 15 </profile> 16 17 <!-- 测试环境 --> 18 <profile> 19 <id>test</id> 20 <properties> 21 <profileActive>test</profileActive> 22 </properties> 23 </profile> 24 25 <!-- 生产环境 --> 26 <profile> 27 <id>prod</id> 28 <properties> 29 <profileActive>prod</profileActive> 30 </properties> 31 </profile> 32 </profiles> 33 34 <build> 35 ... 36 <!-- 资源配置 --> 37 <resources> 38 <resource> 39 <directory>src/main/resources</directory> 40 <filtering>true</filtering> 41 <excludes> 42 <exclude>xxx-dev.yml</exclude> 43 <exclude>xxx-test.yml</exclude> 44 <exclude>xxx-prod.yml</exclude> 45 </excludes> 46 </resource> 47 <resource> 48 <directory>src/main/resources</directory> 49 <filtering>true</filtering> 50 <includes> 51 <include>xxx-${profileActive}.yml</include> 52 </includes> 53 </resource> 54 </resources> 55 ... 56 </build> 57 </project>
注:通过resources配置打包的文件是一并打包到jar包或war包中的(位于classpath路径下)。
而在生产环境部署项目时,却需要动态修改数据库配置等参数,此时如果仅仅打一个war进行部署,对于配置文件修改非常不方便。
那这里就提出2个问题:
第一,J2EE项目是否可以支持配置文件在war包之外?
第二,如何通过maven将项目文件进行统一打包压缩?
Q1: 在J2EE项目中使用Spring框架时,可以将配置文件写在properties文件中,从外部加载相应配置参数。示例如下:
web.xml添加配置文件路径参数:
<context-param> <param-name>confDir</param-name> <param-value>file:${catalina.home}/conf</param-value><!--将配置文件放到tomcat目录下--> <!-- <param-value>classpath:</param-value> --><!--将配置文件放在项目classpath路径下--> </context-param>
spring加载配置文件:( 详见:https://docs.spring.io/spring/docs/current/spring-framework-reference/htmlsingle/ 之7.8 Container Extension Points)
<bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="locations">
<list>
<value>${confDir}/jdbc.properties</value>
</list>
</property>
<property name="fileEncoding" value="utf-8"/>
</bean>
spring数据源配置:
1 <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource" destroy-method="close"> 2 <property name="driverClass" value="${driverClass}" /> 3 <property name="jdbcUrl" value="${jdbcUrl}" /> 4 <property name="user" value="${user}" /> 5 <property name="password" value="${password}" /> 6 <property name="initialPoolSize" value="${initialPoolSize}" /> 7 <property name="minPoolSize" value="${minPoolSize}" /> 8 <property name="maxPoolSize" value="${maxPoolSize}" /> 9 <property name="breakAfterAcquireFailure" value="${breakAfterAcquireFailure}" /> 10 <property name="idleConnectionTestPeriod" value="${idleConnectionTestPeriod}" /> 11 <property name="acquireRetryAttempts" value="${acquireRetryAttempts}" /> 12 <property name="acquireIncrement" value="${acquireIncrement}" /> 13 <property name="acquireRetryDelay" value="${acquireRetryDelay}" /> 14 <property name="testConnectionOnCheckout" value="${testConnectionOnCheckout}" /> 15 <property name="testConnectionOnCheckin" value="${testConnectionOnCheckin}" /> 16 </bean>
Q2: 通过maven插件maven-assembly-plugin将项目文件进行统一压缩打包,更专业,详见:http://maven.apache.org/plugins/maven-assembly-plugin/ 。
使用该插件时需要单独定义一个打包规则文件,如:assembly.xml,在该文件中定义一系列需要打包的文件参数。
pom.xml:
1 <build> 2 <plugins> 3 <!-- 部署打包: 通过maven-assembly插件压缩为tar包进行发布 --> 4 <plugin> 5 <artifactId>maven-assembly-plugin</artifactId> 6 <configuration> 7 <!-- not append assembly id in release file name --> 8 <appendAssemblyId>false</appendAssemblyId> 9 <descriptors> 10 <descriptor>assembly.xml</descriptor> 11 </descriptors> 12 <finalName>xxx-${project.version}</finalName> 13 <!-- 定义压缩包存放位置 --> 14 <outputDirectory>${basedir}/release</outputDirectory> 15 </configuration> 16 <executions> 17 <execution> 18 <id>make-assembly</id> 19 <phase>verify</phase> 20 <goals> 21 <goal>single</goal> 22 </goals> 23 </execution> 24 </executions> 25 </plugin> 26 </plugins> 27 </build>
assembly.xml:
1 <assembly 2 xmlns="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.0" 3 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 4 xsi:schemaLocation="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.0 http://maven.apache.org/xsd/assembly-1.1.0.xsd"> 5 <id>distribution</id> 6 <formats> 7 <format>tar</format> 8 </formats> 9 <fileSets> 10 <!-- 打包配置文件 --> 11 <fileSet> 12 <directory>src/main/resources</directory> 13 <outputDirectory>/conf</outputDirectory> 14 <includes> 15 <include>jdbc.properties</include> 16 </includes> 17 </fileSet> 18 <!-- 打包sql文件 --> 19 <fileSet> 20 <directory>${basedir}</directory> 21 <outputDirectory>/sql</outputDirectory> 22 <includes> 23 <include>*.sql</include> 24 </includes> 25 </fileSet> 26 <!-- 打包INSTALL,change.log --> 27 <fileSet> 28 <directory>${basedir}</directory> 29 <outputDirectory>/</outputDirectory> 30 <includes> 31 <include>INSTALL</include> 32 <include>change.log</include> 33 </includes> 34 </fileSet> 35 <!-- 打包war文件 --> 36 <fileSet> 37 <directory>${project.build.directory}</directory> 38 <outputDirectory>/</outputDirectory> 39 <includes> 40 <include>*.war</include> 41 </includes> 42 </fileSet> 43 </fileSets> 44 <!-- 定义压缩包根目录名称 --> 45 <baseDirectory>xxx-${project.version}</baseDirectory> 46 </assembly>
标签:yml ram ica blank .property exe 规则 curl lte
原文地址:http://www.cnblogs.com/nuccch/p/6347190.html