文章目录

文章目录

• 文章目录
• • @[TOC](文章目录)
• 一、案例
• • 1.BookDao接口
  • 2.BookDaoImpl实现类
  • 3.applicationContext.xml
  • 4.Test测试类

一、案例

1.BookDao接口

package com.jkj.dao;
public interface BookDao {
    void save();
}

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2.BookDaoImpl实现类

package com.jkj.dao.impl;

import com.jkj.dao.BookDao;

import java.util.*;

public class BookDaoImpl implements BookDao {
    private int [] array;
    private List<String> list;
    private Set<String> set;
    private Map<String,String> map;
    private Properties properties;

    public void setArray(int[] array) {
        this.array = array;
    }

    public void setList(List<String> list) {
        this.list = list;
    }

    public void setSet(Set<String> set) {
        this.set = set;
    }

    public void setMap(Map<String, String> map) {
        this.map = map;
    }

    public void setProperties(Properties properties) {
        this.properties = properties;
    }

    public void save() {
        System.out.println("BookDao...");
        System.out.println("遍历数组："+ Arrays.toString(array));
        System.out.println("遍历List:"+list);
        System.out.println("遍历Set:"+set);
        System.out.println("遍历Map:"+map);
        System.out.println("遍历Properties:"+properties);

    }
}

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3.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="bookDao" class="com.jkj.dao.impl.BookDaoImpl">
        <property name="array">
            <array>
                <value>12</value>
                <value>14</value>
                <value>16</value>
            </array>
        </property>
        <property name="list">
            <list>
                <value>小马哥</value>
                <value>Tom</value>
                <value>小飞侠</value>
            </list>
        </property>
        <property name="set">
            <set>
                <value>Cat</value>
                <value>Cat</value>
                <value>Tom</value>
                <value>Jack</value>
            </set>
        </property>
        <property name="map">
            <map>
               <entry key="1" value="34"></entry>
                <entry key="2" value="小飞侠"></entry>
                <entry key="3" value="Rack"></entry>
            </map>
        </property>
        <property name="properties">
            <props>
               <prop key="1">科比</prop>
                <prop key="2">詹姆斯</prop>
                <prop key="3">哈登</prop>
            </props>
        </property>


    </bean>

</beans>
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4.Test测试类

import com.jkj.dao.BookDao;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

public class Test {
    public static void main(String[] args) {
        ApplicationContext context = new ClassPathXmlApplicationContext("applicationContext.xml");
        BookDao bookDao = (BookDao) context.getBean("bookDao");
        bookDao.save();
    }
}
/*
BookDao...
遍历数组：[12, 14, 16]
遍历List:[小马哥, Tom, 小飞侠]
遍历Set:[Cat, Tom, Jack]
遍历Map:{1=34, 2=小飞侠, 3=Rack}
遍历Properties:{3=哈登, 2=詹姆斯, 1=科比}
 */
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