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entity层

user.java主要代码

public class user {
//定义用户的四个属性
    private int uid;//用户id
    private String uname;//用户名
    private String upwd;//密码
    private int oid;//旧用户id(update用)


 /**
 * oid构造方法,主要为修改用户信息的时候传递参数
 */
    public user(int uid, String uname, String upwd, int oid) {
        this.uid = uid;
        this.uname = uname;
        this.upwd = upwd;
        this.oid = oid;
    }

    @Override
    public String toString() {
        return "user{" +
                "uid=" + uid +
                ", uname='" + uname + '\'' +
                ", upwd='" + upwd + '\'' +
                '}';
    }
 /**
 * 构造方法,主要为删除用户信息的时候传递参数
 */
    public user(int uid) {
        this.uid = uid;
    }
 /**
 * 构造方法,主要为增加用户信息的时候传递参数
 */
    public user(int uid, String uname, String upwd) {
        this.uid = uid;
        this.uname = uname;
        this.upwd = upwd;
    }

    public user() {
    }

    public int getUid() {
        return uid;
    }

    public void setUid(int uid) {
        this.uid = uid;
    }

    public String getUname() {
        return uname;
    }

    public void setUname(String uname) {
        this.uname = uname;
    }

    public String getUpwd() {
        return upwd;
    }

    public void setUpwd(String upwd) {
        this.upwd = upwd;
    }
  
    public int getOid() {
        return oid;
    }

    public void setOid(int oid) {
        this.oid = oid;
    }
}
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