spring源码环境搭建,测试springmvc

gradle环境准备

先确定spring源码中使用的gradle的版本，然后再去官方下载安装

IDEA中配置gradle

执行gradle build命令，编译源代码

创建一个新的module用于测试

创建module的时候， 名称要以spring-为前缀，

配置新模块的build.gradle配置文件

plugins {
    id 'war'
    id 'java'
}

dependencies {
    api(project(":spring-web"))
    api(project(":spring-webmvc"))
    compileOnly("io.projectreactor.tools:blockhound")
    optional(project(":spring-aop"))
    optional(project(":spring-context"))
    optional(project(":spring-oxm"))
    optional("javax.servlet:javax.servlet-api") // Servlet 4 for mapping type
    optional("javax.servlet.jsp:javax.servlet.jsp-api")
    optional("javax.el:javax.el-api")
    optional("javax.faces:javax.faces-api")
    optional("javax.json.bind:javax.json.bind-api")
    optional("javax.mail:javax.mail-api")
    optional("javax.validation:validation-api")
    optional("javax.xml.bind:jaxb-api")
    optional("javax.xml.ws:jaxws-api")
    optional("org.glassfish.main:javax.jws")
    optional("io.reactivex.rxjava3:rxjava")
    optional("io.netty:netty-buffer")
    optional("io.netty:netty-handler")
    optional("io.netty:netty-codec-http") // Until Netty4ClientHttpRequest is removed
    optional("io.netty:netty-transport")  // Until Netty4ClientHttpRequest is removed
    optional("io.projectreactor.netty:reactor-netty-http")
    optional("io.undertow:undertow-core")
    optional("org.eclipse.jetty:jetty-server") {
        exclude group: "javax.servlet", module: "javax.servlet-api"
    }
    optional("org.eclipse.jetty:jetty-servlet") {
        exclude group: "javax.servlet", module: "javax.servlet-api"
    }
    optional("org.eclipse.jetty:jetty-reactive-httpclient")
    optional('org.apache.httpcomponents.client5:httpclient5')
    optional('org.apache.httpcomponents.core5:httpcore5-reactive')
    optional("com.squareup.okhttp3:okhttp")
    optional("org.apache.httpcomponents:httpclient")
    optional("org.apache.httpcomponents:httpasyncclient")
    optional("commons-fileupload:commons-fileupload")
    optional("org.synchronoss.cloud:nio-multipart-parser")
    optional("com.fasterxml.woodstox:woodstox-core")
    optional("com.fasterxml:aalto-xml")
    optional("com.fasterxml.jackson.core:jackson-databind")
    optional("com.fasterxml.jackson.dataformat:jackson-dataformat-xml")
    optional("com.fasterxml.jackson.dataformat:jackson-dataformat-smile")
    optional("com.fasterxml.jackson.dataformat:jackson-dataformat-cbor")
    optional("com.google.code.gson:gson")
    optional("com.google.protobuf:protobuf-java-util")
    optional("com.googlecode.protobuf-java-format:protobuf-java-format")
    optional("com.rometools:rome")
    optional("com.caucho:hessian")
    optional("org.codehaus.groovy:groovy")
    optional("org.jetbrains.kotlin:kotlin-reflect")
    optional("org.jetbrains.kotlin:kotlin-stdlib")
    optional("org.jetbrains.kotlinx:kotlinx-serialization-json")
    testImplementation(testFixtures(project(":spring-beans")))
    testImplementation(testFixtures(project(":spring-context")))
    testImplementation(testFixtures(project(":spring-core")))
    testImplementation("io.projectreactor:reactor-test")
    testImplementation("org.apache.taglibs:taglibs-standard-jstlel")
    testImplementation("com.fasterxml.jackson.datatype:jackson-datatype-jdk8")
    testImplementation("com.fasterxml.jackson.datatype:jackson-datatype-joda")
    testImplementation("com.fasterxml.jackson.datatype:jackson-datatype-jsr310")
    testImplementation("com.fasterxml.jackson.module:jackson-module-kotlin")
    testImplementation("org.apache.tomcat:tomcat-util")
    testImplementation("org.apache.tomcat.embed:tomcat-embed-core")
    testImplementation("org.eclipse.jetty:jetty-server")
    testImplementation("org.eclipse.jetty:jetty-servlet")
    testImplementation("com.squareup.okhttp3:mockwebserver")
    testImplementation("org.jetbrains.kotlin:kotlin-reflect")
    testImplementation("org.skyscreamer:jsonassert")
    testImplementation("org.xmlunit:xmlunit-assertj")
    testImplementation("org.xmlunit:xmlunit-matchers")
    testImplementation("io.projectreactor.tools:blockhound")
    testRuntimeOnly("com.sun.mail:javax.mail")
    testRuntimeOnly("com.sun.xml.bind:jaxb-core")
    testRuntimeOnly("com.sun.xml.bind:jaxb-impl")
    testRuntimeOnly("javax.json:javax.json-api")
    testRuntimeOnly("org.apache.johnzon:johnzon-jsonb")
    testFixturesApi("javax.servlet:javax.servlet-api")
    testFixturesApi("org.junit.jupiter:junit-jupiter-api")
    testFixturesApi("org.junit.jupiter:junit-jupiter-params")
    testFixturesImplementation("io.projectreactor:reactor-test")
    testFixturesImplementation("org.apache.taglibs:taglibs-standard-jstlel")
    testFixturesImplementation("org.assertj:assertj-core")
    testFixturesImplementation("org.bouncycastle:bcpkix-jdk18on") {
        because("needed by Netty's SelfSignedCertificate on JDK 15+")
    }
}

test {
    useJUnitPlatform()
}
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有几点需要特别注意

1. 配置文件的名称必须和模块的名称一致。
   

2. 并且必须以spring-开头，比如spring-mvctest.gradle。只有这样才能使用spring源码中公共的gradle配置文件，即spring-module.gradle文件。
   

3. dependencies中除了引入spring源码中需要的模块，还必须引入其他的配置，比如org.jetbrains.kotlin:kotlin-reflect，如果不引入则使用tomcat启动的时候，run模式是可以正常启动的，但是debug模式的时候会报类不存在。

新建的模块中的内容

<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
		 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
		 xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"
		 version="4.0"
		 metadata-complete="true">

	<context-param>
		<param-name>contextConfigLocationparam-name>
		<param-value>classpath:spring-root.xmlparam-value>
	context-param>

	<servlet>
		<servlet-name>mvc-testservlet-name>
		<servlet-class>org.springframework.web.servlet.DispatcherServletservlet-class>
		
		<init-param>
			<param-name>contextConfigLocationparam-name>
			<param-value>classpath:spring-mvc.xmlparam-value>
		init-param>
		<load-on-startup>1load-on-startup>
	servlet>

	<servlet-mapping>
		<servlet-name>mvc-testservlet-name>
		<url-pattern>/url-pattern>
	servlet-mapping>

	<listener>
		<listener-class>org.springframework.web.context.ContextLoaderListenerlistener-class>
	listener>

web-app>

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配置artifacts

如果创建的是web项目的话，artifact会自动创建好的

配置tomcat

配置artifact

tomcat启动会启不来，在安装的tomcat路径中打开bin/catalina.bat 文件，把下面这串代码注释掉，即可解决