spring入门

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建maven工程

import java.util.Date;

public class Student {
    private String stuNum;
    private String stuName;
    private int stuAge;
    //private Date enterenceTime;

    @Override
    public String toString() {
        return "Student{" +
                "stuNum='" + stuNum + '\'' +
                ", stuName='" + stuName + '\'' +
                ", stuAge=" + stuAge +
                '}';
    }

    public String getStuNum() {
        return stuNum;
    }

    public void setStuNum(String stuNum) {
        this.stuNum = stuNum;
    }

    public String getStuName() {
        return stuName;
    }

    public void setStuName(String stuName) {
        this.stuName = stuName;
    }

    public int getStuAge() {
        return stuAge;
    }

    public void setStuAge(int stuAge) {
        this.stuAge = stuAge;
    }
    /*
    public Date getEnterenceTime() {
        return enterenceTime;
    }

package com.qfedu.ioc.test;

import com.qfedu.ioc.bean.Student;
import org.springframework.context.support.ClassPathXmlApplicationContext;

import java.io.IOException;

public class Test {
    public static void main(String[] args) throws IOException, ClassNotFoundException, IllegalAccessException, InstantiationException {
        ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext("applicationContext.xml");
        Student student = (Student) context.getBean("student");
        System.out.println(student);
        System.out.println(student.getStuAge());
    }
}

applicationContext.xml

<?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 id="student" class="com.qfedu.ioc.bean.Student">
            <property name="stuNum" value="1"/>
              <property name="stuName" value="ygl"/>
              <property name="stuAge" value="21"/>
       </bean>

</beans>

pom.xml

<?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>org.example</groupId>
    <artifactId>spring1</artifactId>
    <version>1.0-SNAPSHOT</version>

    <properties>
        <maven.compiler.source>8</maven.compiler.source>
        <maven.compiler.target>8</maven.compiler.target>
    </properties>
    <dependencies>
        <!-- https://mvnrepository.com/artifact/org.springframework/spring-context -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <!--suppress MavenModelInspection -->
            <version>5.1.5.RELEASE</version>
        </dependency>

    </dependencies>
</project>

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