重写
    toString，
    https://jueee.github.io/2020/07/2020-07-15-%E5%85%B3%E4%BA%8EtoString%E6%96%B9%E6%B3%95%E7%9A%84%E9%87%8D%E5%86%99%E5%B7%A5%E5%85%B7ToStringBuilder/
    hashCode
    equeal
    clone

    引入依赖

    commons-lang
    commons-lang
    2.4 

    2. import org.apache.commons.lang3.builder.EqualsBuilder;
    3. import org.apache.commons.lang3.builder.HashCodeBuilder;
    4. import org.apache.commons.lang3.builder.ReflectionToStringBuilder;
    5. import org.apache.commons.lang3.builder.ToStringStyle;
    7. import java.io.Serializable;
    10. public class BaseEntity implements Serializable, Cloneable {
    13.     /**
    14.      * @see Object#toString()
    15.      */
    16.     @Override
    17.     public String toString() {
    18.         return ReflectionToStringBuilder.toString(this, ToStringStyle.SHORT_PREFIX_STYLE);
    19.     }
    21.     /**
    22.      * @see Object#hashCode()
    23.      */
    24.     @Override
    25.     public int hashCode() {
    26.         return HashCodeBuilder.reflectionHashCode(this);
    27.     }
    29.     /**
    30.      * @see Object#equals(Object)
    31.      */
    32.     @Override
    33.     public boolean equals(Object obj) {
    34.         return EqualsBuilder.reflectionEquals(this, obj);
    35.     }
    37.     /**
    38.      * @see Object#clone()
    39.      */
    40.     @Override
    41.     public Object clone() throws CloneNotSupportedException {
    42.         return super.clone();
    43.     }
    44. }