Spring getbeansoftype method: get the JavaBean of the specified type

getBeansOfType(Class type)

Example

public static void main(String[] args){
  ApplicationContext context = new ClassPathXmlApplicationContext(
    "appContext.xml");
  String[] eanNames = 
    context.getBeanNamesForType(Date.class);  //获取指定类型的所有JavaBean对象
  Map beans = context.getBeansOfType(Date.class);  //获取容器中指定类
  for(String name:beanNames){
    Date bean = (Date)beans.get(name);
    System.out.println("名称为"+name+"的JavaBean输出结果为:"
                       +bean);
  }
}

<?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-2.5.xsd">
  <bean id="time"class="java.util.Date"></bean>
  <%--配置JavaBean--%>
    <bean id="time2"class="java.util.Date"></bean>
    <bean id="time3"class="java.util.Date"></bean>
    </beans>