commons.apache

Posted 2020-06-14

1、ToStringBuilder

1.               //对象及其属性一行显示  
2.             System.out.println(ToStringBuilder.reflectionToString(u));  
3.             System.out.println(ToStringBuilder.reflectionToString(u, ToStringStyle.DEFAULT_STYLE));  
4.             //属性换行显示  
5.             System.out.println(ToStringBuilder.reflectionToString(u, ToStringStyle.MULTI_LINE_STYLE));  
6.             //不显示属性名，只显示属性值，在同一行显示  
7.             System.out.println(ToStringBuilder.reflectionToString(u, ToStringStyle.NO_FIELD_NAMES_STYLE));  
8.             //对象名称简写  
9.             System.out.println(ToStringBuilder.reflectionToString(u, ToStringStyle.SHORT_PREFIX_STYLE));  
10.             //只显示属性  
11.             System.out.println(ToStringBuilder.reflectionToString(u, ToStringStyle.SIMPLE_STYLE));  

结果显示： 

[email protected][name=zhengtian,age=25] 
[email protected][name=zhengtian,age=25] 
[email protected][ 
  name=zhengtian 
  age=25 
] 
[email protected][zhengtian,25] 
User[name=zhengtian,age=25] 
zhengtian,25