Spring框架搭建实例

Spring之IOC创建对象的方式

无参构造方法

有参构造方法

constructor-arg index

constructor-arg index

综合

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Spring框架搭建实例

Spring框架搭建实例

Spring之IOC创建对象的方式

 我们的学生类Student代码

 

package com.lingaolu;/*** @author 林高禄* @create 2020-11-03-9:19*/
public class Student {private Long id;private String name;private String no;public Student() {System.out.println("Student无参构造执行");}public Student(String name, String no) {System.out.println("Student半参构造执行");this.name = name;this.no = no;}public Student(Long id, String name, String no) {System.out.println("Student全参构造执行");this.id = id;this.name = name;this.no = no;}public Long getId() {return id;}public void setId(Long id) {this.id = id;}public String getName() {return name;}public void setName(String name) {this.name = name;}public String getNo() {return no;}public void setNo(String no) {this.no = no;}@Overridepublic String toString() {return "Student{" +"id=" + id +", name='" + name + '\'' +", no='" + no + '\'' +'}';}
}

 

 

无参构造方法

有参构造方法

constructor-arg index

constructor-arg index

综合