这篇文章主要介绍“Spring依赖注入多种类型数据的代码怎么写”，在日常操作中，相信很多人在Spring依赖注入多种类型数据的代码怎么写问题上存在疑惑，小编查阅了各式资料，整理出简单好用的操作方法，希望对大家解答”Spring依赖注入多种类型数据的代码怎么写”的疑惑有所帮助！接下来，请跟着小编一起来学习吧！
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package entity;
import java.util.*;
/**
* @author LeDao
* @company
* @create 2022-02-13 21:26
*/
public class Student {
private int id;
private String name;
private StudentClass studentClass;
private String[] books;
private List<String> hobbies;
private Map<String, String> cards;
private Set<String> games;
private String wife;
private Properties info;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
public String getName() {
return name;
public void setName(String name) {
this.name = name;
public StudentClass getStudentClass() {
return studentClass;
public void setStudentClass(StudentClass studentClass) {
this.studentClass = studentClass;
public String[] getBooks() {
return books;
public void setBooks(String[] books) {
this.books = books;
public List<String> getHobbies() {
return hobbies;
public void setHobbies(List<String> hobbies) {
this.hobbies = hobbies;
public Map<String, String> getCards() {
return cards;
public void setCards(Map<String, String> cards) {
this.cards = cards;
public Set<String> getGames() {
return games;
public void setGames(Set<String> games) {
this.games = games;
public String getWife() {
return wife;
public void setWife(String wife) {
this.wife = wife;
public Properties getInfo() {
return info;
public void setInfo(Properties info) {
this.info = info;
@Override
public String toString() {
return "Student{" +
"id=" + id +
", name='" + name + '\'' +
", studentClass=" + studentClass +
", books=" + Arrays.toString(books) +
", hobbies=" + hobbies +
", cards=" + cards +
", games=" + games +
", wife='" + wife + '\'' +
", info=" + info +
'}';
}package entity;
/**
* @author LeDao
* @company
* @create 2022-02-14 14:11
*/
public class StudentClass {
private int id;
private String name;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
@Override
public String toString() {
return "Class{" +
"id=" + id +
", name='" + name + '\'' +
'}';
}
}下面展示的数据类型有：一般类型、对象、数组、List、Map、Set、空值、Properties
<?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="studentClass1" class="entity.StudentClass">
<property name="id" value="1"/>
<property name="name" value="软件工程3班"/>
</bean>
<bean id="user1" class="entity.Student">
<!--一般类型-->
<property name="id" value="1"/>
<property name="name" value="tom"/>
<!--对象-->
<property name="studentClass" ref="studentClass1"/>
<!--数组-->
<property name="books">
<array>
<value>Java编程思想</value>
<value>MySQL必知必会</value>
<value>平凡的世界</value>
</array>
</property>
<!--List-->
<property name="hobbies">
<list>
<value>唱</value>
<value>跳</value>
<value>rap</value>
<value>打篮球</value>
</list>
</property>
<!--Map-->
<property name="cards">
<map>
<entry key="身份证" value="123"/>
<entry key="校园卡" value="321"/>
</map>
</property>
<!--Set-->
<property name="games">
<set>
<value>LOL</value>
<value>DNF</value>
<value>COC</value>
</set>
</property>
<!--空值-->
<property name="wife">
<null/>
</property>
<!--Properties-->
<property name="info">
<props>
<prop key="userName">root</prop>
<prop key="password">123456</prop>
</props>
</property>
</bean>
</beans>import config.MyConfig;
import entity.Student;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
/**
* @author LeDao
* @company
* @create 2022-02-12 15:56
*/
public class MyTest {
public static void main(String[] args) {
ApplicationContext context=new ClassPathXmlApplicationContext("beans.xml");
Student student = (Student) context.getBean("user1");
System.out.println(student);
}
}到此，关于“Spring依赖注入多种类型数据的代码怎么写”的学习就结束了，希望能够解决大家的疑惑。理论与实践的搭配能更好的帮助大家学习，快去试试吧！若想继续学习更多相关知识，请继续关注亿速云网站，小编会继续努力为大家带来更多实用的文章！
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