【IntelliJ IDEA学习之五】IntelliJ IDEA 搭建项目
版本：IntelliJIDEA2018.1.4
一、同一窗口展示多个应用（弊端：耗内存）
idea没有eclipse workspace的概念，如果想在同一窗口显示多个应用，可以按照如下方式来做：
1、新建空工程
File-->new-->Project...
2、新建Modules
CTRL+ALT+SHIFT+S：
比如新建一个静态页面模块：
新建一个纯Java应用：
左侧选择Java，右侧选择JDK，下面不要选择任何Frameworks
最后效果：
二、搭建java web工程
1、搭建
(1)新建Java Enterprise
(2)在WEB-INF下面新建两个Directory:classes和lib
2、配置web项目（CTRL+ALT+SHIFT+S）
(1)配置编译输出路径
(2)添加依赖jar包
编译之后：
(3)配置打包方式Artifacts
编译之后：
(4)Tomcat配置
Tomcat 集成原理：
为项目配置了 tomcat 后，idea 会拷贝一份配置到系统目录中，如下
(1)conf存放配置：
Tomcat 之所以可以 root 启动和热部署，原因在如下:
(2)logs目录是各项日志：
(3)work目录存放class和页面文件：
三、搭建maven工程
1、搭建简单java工程，使用模板：maven-archetype-quickstart
配置配置 groupId 和 ArtifactId：
配置 maven 构建工具信息：
配置module信息：
Finish，完成。稍等片刻，选择右下角，enable auto import：
最终效果：
2、搭建maven web工程
使用模板：maven-archetype-webapp
使用模板创建的目录没有java和resources目录，执行创建然后，修改目录属性
最终效果：
3、不使用maven模板创建工程：
maven类型工程配置tomcat与上面普通Java web应用相同。
遇到的问题：
tomcat启动后，jsp未编译。
原因：项目Artifacts配置有问题
参考：正场项目的配置：
另附上正常启动tomcat日志,和eclipse不太一样，注意几个关键点：
D:\apache-tomcat-8.5.43\bin\catalina.bat run
[2019-10-11 02:19:02,554] Artifact activiti:war exploded: Waiting for server connection to start artifact deployment...
Using CATALINA_BASE: "C:\Users\Administrator\.IntelliJIdea2018.1\system\tomcat\Unnamed_activiti"
Using CATALINA_HOME: "D:\apache-tomcat-8.5.43"
Using CATALINA_TMPDIR: "D:\apache-tomcat-8.5.43\temp"
Using JRE_HOME: "C:\java\jdk1.8.0_171"
Using CLASSPATH: "D:\apache-tomcat-8.5.43\bin\bootstrap.jar;D:\apache-tomcat-8.5.43\bin\tomcat-juli.jar"
Connected to the target VM, address: 'javadebug', transport: 'shared memory'
11-Oct-2019 14:19:03.683 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Server version: Apache Tomcat/8.5.43
11-Oct-2019 14:19:03.687 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Server built: Jul 4 2019 20:53:15 UTC
11-Oct-2019 14:19:03.687 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Server number: 8.5.43.0
11-Oct-2019 14:19:03.687 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log OS Name: Windows 7
11-Oct-2019 14:19:03.688 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log OS Version: 6.1
11-Oct-2019 14:19:03.688 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Architecture: amd64
11-Oct-2019 14:19:03.688 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Java Home: C:\java\jdk1.8.0_171\jre
11-Oct-2019 14:19:03.688 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log JVM Version: 1.8.0_171-b11
11-Oct-2019 14:19:03.688 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log JVM Vendor: Oracle Corporation
11-Oct-2019 14:19:03.688 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log CATALINA_BASE: C:\Users\Administrator\.IntelliJIdea2018.1\system\tomcat\Unnamed_activiti
11-Oct-2019 14:19:03.689 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log CATALINA_HOME: D:\apache-tomcat-8.5.43
11-Oct-2019 14:19:03.689 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.util.logging.config.file=C:\Users\Administrator\.IntelliJIdea2018.1\system\tomcat\Unnamed_activiti\conf\logging.properties
11-Oct-2019 14:19:03.690 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager
11-Oct-2019 14:19:03.690 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dvisualvm.id=23258637664006
11-Oct-2019 14:19:03.690 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -agentlib:jdwp=transport=dt_shmem,address=javadebug,suspend=y,server=n
11-Oct-2019 14:19:03.690 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -javaagent:D:\JetBrains\IntelliJIDEA2018.1.4\lib\rt\debugger-agent.jar=file:/C:/Users/Administrator/AppData/Local/Temp/capture4739.props
11-Oct-2019 14:19:03.690 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dfile.encoding=UTF-8
11-Oct-2019 14:19:03.690 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcom.sun.management.jmxremote=
11-Oct-2019 14:19:03.690 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcom.sun.management.jmxremote.port=1099
11-Oct-2019 14:19:03.690 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcom.sun.management.jmxremote.ssl=false
11-Oct-2019 14:19:03.690 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcom.sun.management.jmxremote.authenticate=false
11-Oct-2019 14:19:03.691 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.rmi.server.hostname=127.0.0.1
11-Oct-2019 14:19:03.691 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djdk.tls.ephemeralDHKeySize=2048
11-Oct-2019 14:19:03.691 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.protocol.handler.pkgs=org.apache.catalina.webresources
11-Oct-2019 14:19:03.691 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dignore.endorsed.dirs=
11-Oct-2019 14:19:03.691 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcatalina.base=C:\Users\Administrator\.IntelliJIdea2018.1\system\tomcat\Unnamed_activiti
11-Oct-2019 14:19:03.691 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcatalina.home=D:\apache-tomcat-8.5.43
11-Oct-2019 14:19:03.691 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.io.tmpdir=D:\apache-tomcat-8.5.43\temp
11-Oct-2019 14:19:03.691 信息 [main] org.apache.catalina.core.AprLifecycleListener.lifecycleEvent Loaded APR based Apache Tomcat Native library [1.2.23] using APR version [1.7.0].
11-Oct-2019 14:19:03.691 信息 [main] org.apache.catalina.core.AprLifecycleListener.lifecycleEvent APR capabilities: IPv6 [true], sendfile [true], accept filters [false], random [true].
11-Oct-2019 14:19:03.691 信息 [main] org.apache.catalina.core.AprLifecycleListener.lifecycleEvent APR/OpenSSL configuration: useAprConnector [false], useOpenSSL [true]
11-Oct-2019 14:19:03.702 信息 [main] org.apache.catalina.core.AprLifecycleListener.initializeSSL OpenSSL successfully initialized [OpenSSL 1.1.1c 28 May 2019]
11-Oct-2019 14:19:03.859 信息 [main] org.apache.coyote.AbstractProtocol.init Initializing ProtocolHandler ["http-nio-8080"]
11-Oct-2019 14:19:03.877 信息 [main] org.apache.tomcat.util.net.NioSelectorPool.getSharedSelector Using a shared selector for servlet write/read
11-Oct-2019 14:19:03.889 信息 [main] org.apache.coyote.AbstractProtocol.init Initializing ProtocolHandler ["ajp-nio-8009"]
11-Oct-2019 14:19:03.892 信息 [main] org.apache.tomcat.util.net.NioSelectorPool.getSharedSelector Using a shared selector for servlet write/read
11-Oct-2019 14:19:03.892 信息 [main] org.apache.catalina.startup.Catalina.load Initialization processed in 685 ms
11-Oct-2019 14:19:03.933 信息 [main] org.apache.catalina.core.StandardService.startInternal Starting service [Catalina]
11-Oct-2019 14:19:03.933 信息 [main] org.apache.catalina.core.StandardEngine.startInternal Starting Servlet Engine: Apache Tomcat/8.5.43
11-Oct-2019 14:19:03.948 信息 [main] org.apache.coyote.AbstractProtocol.start Starting ProtocolHandler ["http-nio-8080"]
11-Oct-2019 14:19:03.965 信息 [main] org.apache.coyote.AbstractProtocol.start Starting ProtocolHandler ["ajp-nio-8009"]
11-Oct-2019 14:19:03.969 信息 [main] org.apache.catalina.startup.Catalina.start Server startup in 76 ms
Connected to server
[2019-10-11 02:19:04,230] Artifact activiti:war exploded: Artifact is being deployed, please wait...
11-Oct-2019 14:19:07.940 信息 [RMI TCP Connection(3)-127.0.0.1] org.apache.jasper.servlet.TldScanner.scanJars At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time.
[INFO] [2019-10-11 14:19:08] org.springframework.web.context.ContextLoader.initWebApplicationContext(305) | Root WebApplicationContext: initialization started
[INFO] [2019-10-11 14:19:08] org.springframework.context.support.AbstractApplicationContext.prepareRefresh(582) | Refreshing Root WebApplicationContext: startup date [Fri Oct 11 14:19:08 CST 2019]; root of context hierarchy
[INFO] [2019-10-11 14:19:08] org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(317) | Loading XML bean definitions from class path resource [spring/springContext.xml]
[INFO] [2019-10-11 14:19:08] org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(317) | Loading XML bean definitions from file [E:\workspace\activiti\target\activiti\WEB-INF\classes\spring\spring-activiti.xml]
[INFO] [2019-10-11 14:19:08] org.springframework.core.io.support.PropertiesLoaderSupport.loadProperties(172) | Loading properties file from URL [file:/E:/workspace/activiti/target/activiti/WEB-INF/classes/jdbc.properties]
[INFO] [2019-10-11 14:19:08] org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.<init>(155) | JSR-330 'javax.inject.Inject' annotation found and supported for autowiring
[INFO] [2019-10-11 14:19:09] org.springframework.jdbc.datasource.DriverManagerDataSource.setDriverClassName(133) | Loaded JDBC driver: com.mysql.jdbc.Driver
[INFO] [2019-10-11 14:19:09] org.springframework.web.servlet.handler.AbstractHandlerMethodMapping$MappingRegistry.register(543) | Mapped "{[/index/sayhi]}" onto public java.lang.String com.wjy.controller.IndexController.sayhi(org.springframework.ui.Model)
[INFO] [2019-10-11 14:19:09] org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.initControllerAdviceCache(534) | Looking for @ControllerAdvice: Root WebApplicationContext: startup date [Fri Oct 11 14:19:08 CST 2019]; root of context hierarchy
[INFO] [2019-10-11 14:19:10] org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.initControllerAdviceCache(534) | Looking for @ControllerAdvice: Root WebApplicationContext: startup date [Fri Oct 11 14:19:08 CST 2019]; root of context hierarchy
[INFO] [2019-10-11 14:19:10] org.springframework.web.servlet.handler.AbstractUrlHandlerMapping.registerHandler(354) | Mapped URL path [/**] onto handler 'org.springframework.web.servlet.resource.DefaultServletHttpRequestHandler#0'
[INFO] [2019-10-11 14:19:10] org.springframework.web.servlet.handler.AbstractUrlHandlerMapping.registerHandler(354) | Mapped URL path [/resources/**] onto handler 'org.springframework.web.servlet.resource.ResourceHttpRequestHandler#0'
[INFO] [2019-10-11 14:19:11] org.activiti.engine.impl.ProcessEngineImpl.<init>(85) | ProcessEngine default created
[INFO] [2019-10-11 14:19:12] org.springframework.web.context.ContextLoader.initWebApplicationContext(345) | Root WebApplicationContext: initialization completed in 3948 ms
[INFO] [2019-10-11 14:19:12] org.springframework.web.servlet.FrameworkServlet.initServletBean(489) | FrameworkServlet 'SpringMVC': initialization started
[INFO] [2019-10-11 14:19:12] org.springframework.context.support.AbstractApplicationContext.prepareRefresh(582) | Refreshing WebApplicationContext for namespace 'SpringMVC-servlet': startup date [Fri Oct 11 14:19:12 CST 2019]; parent: Root WebApplicationContext
[INFO] [2019-10-11 14:19:12] org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(317) | Loading XML bean definitions from class path resource [spring/springContext.xml]
[INFO] [2019-10-11 14:19:12] org.springframework.core.io.support.PropertiesLoaderSupport.loadProperties(172) | Loading properties file from URL [file:/E:/workspace/activiti/target/activiti/WEB-INF/classes/jdbc.properties]
[INFO] [2019-10-11 14:19:12] org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.<init>(155) | JSR-330 'javax.inject.Inject' annotation found and supported for autowiring
[INFO] [2019-10-11 14:19:12] org.springframework.jdbc.datasource.DriverManagerDataSource.setDriverClassName(133) | Loaded JDBC driver: com.mysql.jdbc.Driver
[INFO] [2019-10-11 14:19:12] org.springframework.web.servlet.handler.AbstractHandlerMethodMapping$MappingRegistry.register(543) | Mapped "{[/index/sayhi]}" onto public java.lang.String com.wjy.controller.IndexController.sayhi(org.springframework.ui.Model)
[INFO] [2019-10-11 14:19:12] org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.initControllerAdviceCache(534) | Looking for @ControllerAdvice: WebApplicationContext for namespace 'SpringMVC-servlet': startup date [Fri Oct 11 14:19:12 CST 2019]; parent: Root WebApplicationContext
[INFO] [2019-10-11 14:19:12] org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.initControllerAdviceCache(534) | Looking for @ControllerAdvice: WebApplicationContext for namespace 'SpringMVC-servlet': startup date [Fri Oct 11 14:19:12 CST 2019]; parent: Root WebApplicationContext
[INFO] [2019-10-11 14:19:12] org.springframework.web.servlet.handler.AbstractUrlHandlerMapping.registerHandler(354) | Mapped URL path [/**] onto handler 'org.springframework.web.servlet.resource.DefaultServletHttpRequestHandler#0'
[INFO] [2019-10-11 14:19:12] org.springframework.web.servlet.handler.AbstractUrlHandlerMapping.registerHandler(354) | Mapped URL path [/resources/**] onto handler 'org.springframework.web.servlet.resource.ResourceHttpRequestHandler#0'
[INFO] [2019-10-11 14:19:12] org.springframework.web.servlet.FrameworkServlet.initServletBean(508) | FrameworkServlet 'SpringMVC': initialization completed in 499 ms
[2019-10-11 02:19:12,618] Artifact activiti:war exploded: Artifact is deployed successfully
[2019-10-11 02:19:12,618] Artifact activiti:war exploded: Deploy took 8,388 milliseconds
11-Oct-2019 14:19:13.949 信息 [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployDirectory Deploying web application directory [D:\apache-tomcat-8.5.43\webapps\manager]
11-Oct-2019 14:19:14.058 信息 [localhost-startStop-1] org.apache.jasper.servlet.TldScanner.scanJars At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time.
11-Oct-2019 14:19:14.068 信息 [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployDirectory Deployment of web application directory [D:\apache-tomcat-8.5.43\webapps\manager] has finished in [117] ms
关闭tomcat日志：
D:\apache-tomcat-8.5.43\bin\catalina.bat stop
Disconnected from the target VM, address: 'javadebug', transport: 'shared memory'
Using CATALINA_BASE: "C:\Users\Administrator\.IntelliJIdea2018.1\system\tomcat\Unnamed_activiti"
Using CATALINA_HOME: "D:\apache-tomcat-8.5.43"
Using CATALINA_TMPDIR: "D:\apache-tomcat-8.5.43\temp"
Using JRE_HOME: "C:\java\jdk1.8.0_171"
Using CLASSPATH: "D:\apache-tomcat-8.5.43\bin\bootstrap.jar;D:\apache-tomcat-8.5.43\bin\tomcat-juli.jar"
11-Oct-2019 13:02:47.620 信息 [main] org.apache.catalina.core.StandardServer.await A valid shutdown command was received via the shutdown port. Stopping the Server instance.
11-Oct-2019 13:02:47.621 信息 [main] org.apache.coyote.AbstractProtocol.pause Pausing ProtocolHandler ["http-nio-8080"]
11-Oct-2019 13:02:47.709 信息 [main] org.apache.coyote.AbstractProtocol.pause Pausing ProtocolHandler ["ajp-nio-8009"]
11-Oct-2019 13:02:47.790 信息 [main] org.apache.catalina.core.StandardService.stopInternal Stopping service [Catalina]
11-Oct-2019 13:02:47.811 信息 [main] org.apache.coyote.AbstractProtocol.stop Stopping ProtocolHandler ["http-nio-8080"]
11-Oct-2019 13:02:47.812 信息 [main] org.apache.coyote.AbstractProtocol.stop Stopping ProtocolHandler ["ajp-nio-8009"]
11-Oct-2019 13:02:47.814 信息 [main] org.apache.coyote.AbstractProtocol.destroy Destroying ProtocolHandler ["http-nio-8080"]
11-Oct-2019 13:02:47.815 信息 [main] org.apache.coyote.AbstractProtocol.destroy Destroying ProtocolHandler ["ajp-nio-8009"]
Disconnected from server
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