比如說我們需要打印某個方法的User參數對象

??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");

??//對象及其屬性一行顯示

????System.out.println(ToStringBuilder.reflectionToString(u));

????System.out.println(ToStringBuilder.reflectionToString(u, ToStringStyle.DEFAULT_STYLE));

????//屬性換行顯示

????System.out.println(ToStringBuilder.reflectionToString(u, ToStringStyle.MULTI_LINE_STYLE));

????//不顯示屬性名，只顯示屬性值，在同一行顯示

????System.out.println(ToStringBuilder.reflectionToString(u, ToStringStyle.NO_FIELD_NAMES_STYLE));

????//對象名稱簡寫

????System.out.println(ToStringBuilder.reflectionToString(u, ToStringStyle.SHORT_PREFIX_STYLE));

????//只顯示屬性

????System.out.println(ToStringBuilder.reflectionToString(u, ToStringStyle.SIMPLE_STYLE));

結果顯示：

-------------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

描述：ToStringBuilder比較適合在打日志時，輸出參數的信息，特別是在參數為對象時，該工具類能夠很方便的自動打印對象中的屬性值。

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