spring IOC bean中注入集合

Z时代
2024-01-10
分类：综合

本文内容纲要：spring IOC bean中注入集合

建立一个实体

package com.java.test4;
import java.util.*;
/**
 * @author nidegui
 * @create 2019-06-22 14:45
 */
public class People {
    private Integer id;
    private String name;
    private String age;
    private Dog dog;
    private List<String> a=new ArrayList<>();
    private Set<String>  b=new HashSet<>();
    private Map<String,Object> c=new HashMap<>();
    public Integer getId() {
        return id;
    }
    public People() {
    }
    public Dog getDog() {
        return dog;
    }
    public void setDog(Dog dog) {
        this.dog = dog;
    }
    public List<String> getA() {
        return a;
    }
    public void setA(List<String> a) {
        this.a = a;
    }
    public Set<String> getB() {
        return b;
    }
    public void setB(Set<String> b) {
        this.b = b;
    }
    public Map<String, Object> getC() {
        return c;
    }
    public void setC(Map<String, Object> c) {
        this.c = c;
    }
    public void setId(Integer id) {
        this.id = id;
    }
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    public String getAge() {
        return age;
    }
    public void setAge(String age) {
        this.age = age;
    }
    public People(Integer id, String name, String age) {
        this.id = id;
        this.name = name;
        this.age = age;
    }
    @Override
    public String toString() {
        return "People{" +
                "id=" + id +
                ", name='" + name + '\'' +
                ", age='" + age + '\'' +
                ", dog=" + dog +
                ", a=" + a +
                ", b=" + b +
                ", c=" + c +
                '}';
    }
}

beans.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="dog1" class="com.java.test4.Dog">
		<property name="name" value="javk"></property>
 	</bean>
	<bean id="people" class="com.java.test4.People">
		<property name="name" value="nidegui"></property>
		<property name="id" value="1"></property>
		<property name="age" value="12"></property>
		<property name="dog" ref="dog1"></property>
		<property name="a">
			<list>
				<value>a1</value>
				<value>a2</value>
			</list>
		</property>
		<property name="b">
			<set>
				<value>b1</value>
				<value>b2</value>
			</set>
		</property>
		<property name="c">
			<map>
				<entry>
					<key><value>1</value></key>
					<value>c1</value>
				</entry>
			</map>
		</property>
	</bean>
</beans>