曙光城邦

摘要： 当指定constructor-arg属性时，容器实例化bean将使用与其相匹配的构造器进行实例化bean。当类中出现多个构造方法时，如：public class Student { private String firstName; private String lastName; private int age; public Student(String firstName,String lastName){ this.firstName=firstName; this.lastName=lastName; } ... 阅读全文

摘要： <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/sche 阅读全文