這篇隨筆搭建的工程是普通的Spring工程，用于學習Spring框架，如果要搭建SpringMVC工程，可以參考另一篇

第一步：在IDEA點擊new -> project

左側選擇Maven,直接點擊Next。第一次使用IDEA的朋友，頂部還要選擇Project SDK路徑，就是Java的安裝路徑。

這里隨便填一下之后點擊Next

選擇項目存放路徑，或者保持默認，點擊Finish，來到工程頁面之后，在項目文件夾上右鍵并選擇Add Framework Support

在這個頁面找一下Spring,打鉤。點擊OK

完成后，會下載Spring的jar包，并存放在項目的lib目錄下。

下載完成之后創建一個簡單的項目。

四個Java文件一個appContext.xml我貼在這里

public class Student { private String name; private Homework homework; public Student(){} public Student(String name, Homework homework) { this.name = name; this.homework = homework; } public void doHomeWork(){ System.out.println(homework.getContent()); } public String getName() { return name; } public void setName(String name) { this.name = name; } public Homework getHomework() { return homework; } public void setHomework(Homework homework) { this.homework = homework; }}

public class Homework { private String content; public Homework(){} public Homework(String content) { this.content = content; } public String getContent() { return content; } public void setContent(String content) { this.content = content; }}

public class Homework { private String content; public Homework(){} public Homework(String content) { this.content = content; } public String getContent() { return content; } public void setContent(String content) { this.content = content; }}

import java.util.Date;public class CheckNowTime { public void beforDoHomework(){ System.out.println(new Date(System.currentTimeMillis())); }}

import org.springframework.context.support.ClassPathXmlApplicationContext;public class App { public static void main(String[] args) { ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext('appContext.xml'); Student student = context.getBean(Student.class); System.out.println(student.getName()+'準備做作業了'); student.doHomeWork(); context.close(); }}

<?xml version='1.0' encoding='UTF-8'?><beans xmlns='http://www.springframework.org/schema/beans' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xmlns:aop='http://www.springframework.org/schema/aop' xsi:schemaLocation='http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd'> <!-- 讓Spring管理 Student bean --> <bean class='demo1.Student'> <property name='name' value='小明'></property> <property name='homework' ref='homework'></property> </bean> <!-- 讓Spring管理Homework bean--> <bean class='demo1.Homework'> <property name='content' value='how to calc 3+2 ?'></property> </bean> <!-- 切面定義--> <bean class='demo1.CheckNowTime'></bean> <aop:config> <aop:aspect ref='checktime'> <aop:pointcut expression='execution(* *.doHomeWork(..))'/> <aop:before pointcut-ref='dohomework' method='beforDoHomework'></aop:before> </aop:aspect> </aop:config></beans>

因為例子中使用Spring AOP,所以還需要引入一個jar包。我的pom.xml如下：

<?xml version='1.0' encoding='UTF-8'?><project xmlns='http://maven.apache.org/POM/4.0.0' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xsi:schemaLocation='http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd'> <modelVersion>4.0.0</modelVersion> <groupId>com.example</groupId> <artifactId>test</artifactId> <version>1.0-SNAPSHOT</version> <dependencies> <dependency> <groupId>org.aspectj</groupId> <artifactId>aspectjweaver</artifactId> <version>1.9.4</version> </dependency> </dependencies></project>

然后你就可以運行自己的Spring項目啦，main方法在App類里面。

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