Spring 中出现Element : property Bean definitions can have zero or more properties. Property elements correspond to JavaBean setter methods exposed by the bean classes. Spring supports primitives, refer

package cn.lonecloud.bean.step08iocfieldbyProperty;

public class UserBean {

    private String userName;
    
    private int age;
    
    private String address;

    public String getUserName() {
        return userName;
    }

    public void setUserName(String userName) {
        this.userName = userName;
    }

    public int getAge() {
        return age;
    }

    public void setAge(int age) {
        this.age = age;
    }

    public String getAddress() {
        return address;
    }

    public void setAddress(String address) {
        this.address = address;
    }
    
    @Override
    public String toString() {
        return "UserBean [userName=" + userName + ", age=" + age + ", address="
                + address + "]";
    }
    //如果在这个实体bean中设置了这个带构造函数的构造方法则需要在这里加一个无参数的构造函数
    public UserBean(){
        
    }
    public UserBean(String userName, int age, String address) {
        super();
        this.userName = userName;
        this.age = age;
        this.address = address;
    }
}