spring源码导入IDEA使用GRADLE编译开发demo跟源代码

桃扇骨 2023-10-04 09:58 33阅读 0赞

1.环境基本要求：

开发工具：IEDA202033

JDK：JDK11

编译工具：GRADLE

2.下载spring源码

git地址：[https://github.com/spring-projects/spring-framework][https_github.com_spring-projects_spring-framework]

使用压缩包zip的方式进行源码的下载，下载后解压文件

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3.JDK安装，JDK一开始使用的是1.8.0202，导入spring源码后编译出现错误: 程序包jdk.jfr不存在 import jdk.jfr.Category;最后把jdk1.8卸载，装了jdk11；装jdk11的之前，先卸载jdk1.8，删除JAVA\_HOME环境变量，Path中jdk的配置；再安装jdk11，默认一直下一步，安装成功后，配置JAVA\_HOME环境变量；在控制台查看JDK11是否安装成功，使用命令java -version查看控制台

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4.spring源码使用GRADLE编译的，所以需要安装gradle，地址：[https://services.gradle.org/distributions/][https_services.gradle.org_distributions]，我使用的最新版本，需要看文档可以下载docs.zip查看

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下载后，解压到本地目录中

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配置gradle环境变量，与配置maven基本一致，我的电脑-》属性-》高级-》环境变量-》新建变量名为GRADLE\_HOME,变量值为刚才解压的gradle所在目录，配置完之后，在path中添加gradle的配置%GRADLE\_HOME%\\bin。配置完成之后，使用命令gradle -version，查看安装是否成功。

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5.源码导入idea前的修改，找到spring-framework-master项目下的配置文件settings.gradle、build.gradle，修改依赖文件为阿里云镜像下载

maven { url 'https://maven.aliyun.com/nexus/content/groups/public/' }
            maven { url 'https://maven.aliyun.com/nexus/content/repositories/jcenter' }

settings.gradle修改位置，

pluginManagement {
    	repositories {
    	    maven { url 'https://maven.aliyun.com/nexus/content/groups/public/' }
    
            maven { url 'https://maven.aliyun.com/nexus/content/repositories/jcenter' }
    		gradlePluginPortal()
    		maven { url 'https://repo.spring.io/plugins-release' }
    	}
    }

build.gradle修改位置

repositories {
    			mavenLocal()
    			maven { url 'https://maven.aliyun.com/nexus/content/groups/public' }
    			maven { url "https://repo.spring.io/plugins-release" }
    			maven { url 'https://repo.spring.io/libs-snapshot' }
    			maven { url "https://repo.spring.io/snapshot" }
    			maven { url "https://repo.spring.io/milestone" }
                maven { url 'https://maven.aliyun.com/nexus/content/repositories/jcenter' }
    			mavenCentral()
    			maven {
    				url "https://plugins.gradle.org/m2/"
    			}
    		}

6.ieda打开后编辑gradle配置信息，file->settings-》gradle；勾选jdk版本及gradle的安装位置

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7.导入spring源码，file->new->project from existing sources,选中spring源码，然后选择Gradle方式导入

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L1pIQU5HTElaRU5H_size_16_color_FFFFFF_t_70 8][]

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8.导入项目后，gradle会自动编译下载需要的jar包，此过程比较慢，需要耐心等待，若是没有触发gradle自动编译，可以从此处点击圆环，直到编译完成

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9.编译完成后，我们开始往spring源码项目中添加测试的demo，new-》module->gradle->java,选择jdk11，下一步，填写下module的名字，自己命名即可，finish结束

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L1pIQU5HTElaRU5H_size_16_color_FFFFFF_t_70 11][]

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10.此时spring源码项目中多了一个目录testspring，编译方式也是gradle，新建的项目需要引用spring-beans、spring-core等的文件，所以在新目录下的配置bulid.gradle中添加引用，重新点第8步中的圆环进行编译

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L1pIQU5HTElaRU5H_size_16_color_FFFFFF_t_70 13][]

testCompile group: 'junit', name: 'junit', version: '4.12'
        compile(project(":spring-beans"))
        compile(project(":spring-context"))
        compile(project(":spring-core"))
        compile(project(":spring-expression"))

11.第一个demo建立，创建一个实体Person，一个配置xml，一个测试入库程序类，包结构截图

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L1pIQU5HTElaRU5H_size_16_color_FFFFFF_t_70 14][]

Person实体代码

public class Person {
    
    	private String name;
    
    	private int age;
    
    	@Override
    	public String toString() {
    		return "Person{" +
    				"name='" + name + '\'' +
    				", age=" + age +
    				'}';
    	}
    
    	public String getName() {
    		return name;
    	}
    
    	public void setName(String name) {
    		this.name = name;
    	}
    
    	public int getAge() {
    		return age;
    	}
    
    	public void setAge(int age) {
    		this.age = age;
    	}
    }

xml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"
    	   xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">
    
    
    	<bean class="Person" id="person">
    		<property name="name" value="johnny"/>
    		<property name="age" value="10"/>
    	</bean>
    </beans>

测试主函数

import org.springframework.beans.BeansException;
    import org.springframework.context.support.ClassPathXmlApplicationContext;
    public class Demo1 {
    
    
    	public static void main(String[] args) throws Exception{
    		ClassPathXmlApplicationContext classPathXmlApplicationContext = new ClassPathXmlApplicationContext("demo.xml");
    		Person person = classPathXmlApplicationContext.getBean(Person.class);
    		System.out.println(person);
    	}
    
    }

12.到测试即可断点跟程序，在源码上进行注释的书写了，开启spring源码阅读之旅吧

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[https_github.com_spring-projects_spring-framework]: https://github.com/spring-projects/spring-framework
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[https_services.gradle.org_distributions]: https://services.gradle.org/distributions/
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