Spring的依赖注入之多数据结构注入
配置文件中的bean代码
<?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 https://www.springframework.org/schema/beans/spring-beans.xsd"> <bean id="address" class="com.yd.pojo.Address"> <property name="address" value="北京二环"/> </bean> <bean id="student" class="com.yd.pojo.Student"> <!--普通值--> <property name="name" value="老王"/> <!--Bean--> <property name="address" ref="address"/> <!--数组--> <property name="books"> <array> <value>西游记</value> <value>水浒传</value> <value>三国演义</value> <value>红楼梦</value> </array> </property> <!--list--> <property name="hobbys"> <list> <value>抽烟</value> <value>烫头</value> <value>喝酒</value> </list> </property> <!--set--> <property name="games"> <set> <value>LOL</value> <value>BOB</value> <value>COC</value> </set> </property> <!--map--> <property name="card"> <map> <entry key="sid" value="16280001"/> <entry key="cid" value="1982"/> </map> </property> <!--null--> <property name="wife"> <null/> </property> <!--Properties--> <property name="info"> <props> <prop key="pk">123445</prop> <prop key="p">ss5</prop> </props> </property> </bean> </beans>
实体类代码
package com.yd.pojo; public class Address { private String address; public String getAddress() { return address; } public void setAddress(String address) { this.address = address; } @Override public String toString() { return "Address{" + "address='" + address + '\'' + '}'; } }
package com.yd.pojo; import java.util.*; public class Student { private String name; private Address address; private String[] books; private List<String> hobbys; private Map<String, String> card; private Set<String> games; private String wife; private Properties info; public String getName() { return name; } public void setName(String name) { this.name = name; } public Address getAddress() { return address; } public void setAddress(Address address) { this.address = address; } public String[] getBooks() { return books; } public void setBooks(String[] books) { this.books = books; } public List<String> getHobbys() { return hobbys; } public void setHobbys(List<String> hobbys) { this.hobbys = hobbys; } public Map<String, String> getCard() { return card; } public void setCard(Map<String, String> card) { this.card = card; } 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{" + "name='" + name + '\'' + ", address=" + address + ", books=" + Arrays.toString(books) + ", hobbys=" + hobbys + ", card=" + card + ", games=" + games + ", wife='" + wife + '\'' + ", info=" + info + '}'; } }
该花的钱要花,该吃的饭要吃。