IDEA+Maven創建Spring項目

這篇隨筆搭建的工程是普通的Spring工程，用於學習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並選擇Add Framework Support

 

 在這個頁面找一下Spring,打鈎。點擊OK

完成后，會下載Spring的jar包，並存放在項目的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; } }

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()+"准備做作業了"); 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。