
表名info就Info - 容易记
src/main/java/com/artchips/bean/Info.java
public class Info {private Integer id;private String username;private String password;public Info(){}public Integer getId() {return id;}public void setId(Integer id) {this.id = id;}public String getUsername() {return username;}public void setUsername(String username) {this.username = username;}public String getPassword() {return password;}public void setPassword(String password) {this.password = password;}@Overridepublic String toString() {return "Info [id=" + id + ", username=" + username + ", password=" + password + "]";}/** 参照阿里的开发规范,集合处理* 关于 hashCode 和 equals 的处理,遵循如下规则:* 1) 只要重写 equals ,就必须重写 hashCode 。* 2) 因为 Set存储的是不重复的对象,依据 hashCode 和 equals 进行判断,所以 Set 存储的* 对象必须重写这两个方法。* 3) 如果自定义对象作为 Map 的键,那么必须重写 hashCode 和 equals 。* 说明: String 重写了 hashCode 和 equals 方法,所以我们可以非常愉快地使用 String 对象作为 key 来使用。*/@Overridepublic int hashCode() {final int prime = 31;int result = 1;result = prime * result + ((id == null) ? 0 : id.hashCode());result = prime * result + ((password == null) ? 0 : password.hashCode());result = prime * result + ((username == null) ? 0 : username.hashCode());return result;}@Overridepublic boolean equals(Object obj) {if (this == obj)return true;if (obj == null)return false;if (getClass() != obj.getClass())return false;Info other = (Info) obj;if (id == null) {if (other.id != null)return false;} else if (!id.equals(other.id))return false;if (password == null) {if (other.password != null)return false;} else if (!password.equals(other.password))return false;if (username == null) {if (other.username != null)return false;} else if (!username.equals(other.username))return false;return true;}}