這篇文章主要介紹IDEA+Maven創建Spring項目的方法步驟,文中示例代碼介紹的非常詳細,具有一定的參考價值,感興趣的小伙伴們一定要看完!
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 id="student" class="demo1.Student">
<property name="name" value="小明"></property>
<property name="homework" ref="homework"></property>
</bean>
<!-- 讓Spring管理Homework bean-->
<bean id="homework" class="demo1.Homework">
<property name="content" value="how to calc 3+2 ?"></property>
</bean>
<!-- 切面定義-->
<bean id="checktime" class="demo1.CheckNowTime"></bean>
<aop:config>
<aop:aspect ref="checktime">
<aop:pointcut id="dohomework" 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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