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目标：搭建起Spring源码阅读和代码调试跟踪的环境，顺便建立一个简单的Demo，能够调试Spring的源代码

1. 资源准备

jdk版本: 1.8.0_202

IDEA版本: 2020.2.1

aspectj版本: aspectj-1.9.2

sourcetree版本: 3.3.8

2. 源码下载

用sourcetree拉取5.2.x分支

3. 编译源码

3.1 在spring-framework所在目录执行gradlew build命令

eg: D:\Dev\source\java\spring-framework>gradlew build

3.2 在spring-framework所在目录执行gradlew :spring-oxm:compileTestJava命令

eg: D:\Dev\source\java\spring-framework>gradlew :spring-oxm:compileTestJava

4. 设置IDEA编码

5. 导入IDEA

6. 设置Project Structure

7. 设置gradle任意改动自动编译

8. 对spring-test模块做junit测试

如果选择了test或testNg可能会报错,编辑一下Edit Configurations

清除Tasks 

然后重新执行单元测试,选择junit即可 

9.编码规范

1. 为了能使自己的新建的module与spring的其他module一起编译,需要遵循google的编码规范

2. Code Style

    Code Style · spring-projects/spring-framework Wiki · GitHub

    IntelliJ IDEA Editor Settings · spring-projects/spring-framework Wiki · GitHub

10.搭建调试module

 拷贝spring-test的gradle配置到sping-debug中进行覆盖,并修改描述为Spring Debug

在spring-debug中创建测试类

/*
 * Copyright 2002-2020 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.lazy.bean.test;

/**
 * test bean.
 *
 * @author Lazy Hu
 */
public class MyTestBean {

	private String testStr = "testStr";

	public String getTestStr() {
		return this.testStr;
	}

	public void setTestStr(String testStr) {
		this.testStr = testStr;
	}
}

创建bean配置文件

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	   xsi:schemaLocation="http://www.springframework.org/schema/beans https://www.springframework.org/schema/beans/spring-beans.xsd">

	<bean id="myTestBean" class="com.lazy.bean.test.MyTestBean"/>

</beans>

创建测试类

在测试类中写入测试信息

/*
 * Copyright 2002-2019 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.lazy.bean.test;

import org.junit.jupiter.api.Test;

import org.springframework.beans.factory.BeanFactory;
import org.springframework.beans.factory.xml.XmlBeanFactory;
import org.springframework.core.io.ClassPathResource;

import static org.assertj.core.api.Assertions.assertThat;

/**
 * Unit tests for {@link MyTestBean}.
 *
 * @author Lazy Hu
 */
class MyTestBeanTests {

	@Test
	void testSimpleLoad() {
		BeanFactory bf = new XmlBeanFactory(new ClassPathResource("beanFactoryTest.xml"));
		MyTestBean bean = (MyTestBean) bf.getBean("myTestBean");
		assertThat(bean.getTestStr()).isEqualTo("testStr");
	}
}

进行debug

测试结果

11. 全部模块进行编译

11.1编译

d:
cd Dev\source\java\spring-framework
gradlew build

11.2编译遇到的问题

非法导入  org.junit.jupiter.api.Test;

11.3解决办法

路径(源码所放目录): D:\Dev\source\java\spring-framework\src\checkstyle\checkstyle.xml

修改<property name=”regexp” value=”true” />为<property name=”regexp” value=”false” />

<module name="com.puppycrawl.tools.checkstyle.checks.imports.IllegalImportCheck">
	<property name="id" value="bannedJUnitJupiterImports"/>
    <property name="regexp" value="false" />
	<property name="illegalClasses" value="^org\.junit\.jupiter\..+" />
</module>

11.4重新执行编译

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Spring编码规范