Spring工具类ToStringBuilder用法简介

ToStringBuilder比较适合在打日志时，输出参数的信息，特别是在参数为对象时，该工具类能够很方便的自动打印对象中的属性值。

不多说，先上代码：

比如说我们需要打印某个方法的User参数对象

package test;

/**
 * 
 * @author zhengtian
 * @time 2012-6-28
 */
public class User {
	private String name;
	private int age;

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	public int getAge() {
		return age;
	}

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

}

下面是ToStringBuilder的使用方法

System.out.println("-------------ToStringBuilder-------------------------");
User u = new User();
			u.setAge(25);
			u.setName("zhengtian");
			
			//对象及其属性一行显示
			System.out.println(ToStringBuilder.reflectionToString(u));
			System.out.println(ToStringBuilder.reflectionToString(u, ToStringStyle.DEFAULT_STYLE));
			//属性换行显示
			System.out.println(ToStringBuilder.reflectionToString(u, ToStringStyle.MULTI_LINE_STYLE));
			//不显示属性名，只显示属性值，在同一行显示
			System.out.println(ToStringBuilder.reflectionToString(u, ToStringStyle.NO_FIELD_NAMES_STYLE));
			//对象名称简写
			System.out.println(ToStringBuilder.reflectionToString(u, ToStringStyle.SHORT_PREFIX_STYLE));
			//只显示属性
			System.out.println(ToStringBuilder.reflectionToString(u, ToStringStyle.SIMPLE_STYLE));

结果显示：
-------------ToStringBuilder-------------------------
test.User@141d683[name=zhengtian,age=25]
test.User@141d683[name=zhengtian,age=25]
test.User@141d683[
  name=zhengtian
  age=25
]
test.User@141d683[zhengtian,25]
User[name=zhengtian,age=25]
zhengtian,25