1 import java.lang.reflect.InvocationTargetException;
  2 import java.text.ParseException;
  3 import java.text.SimpleDateFormat;
  4 import java.util.Date;
  5 import java.util.HashMap;
  6 import java.util.Map;
  7
  8 import org.apache.commons.beanutils.BeanUtils;
  9 import org.apache.commons.beanutils.ConversionException;
 10 import org.apache.commons.beanutils.ConvertUtils;
 11 import org.apache.commons.beanutils.Converter;
 12 import org.apache.commons.beanutils.locale.converters.DateLocaleConverter;
 13 import org.junit.Test;
 14
 15
 16
 17 //使用beanUtils操纵bean属性（第三方）
 18 public class Demo {
 19
 20     /**
 21      *
 22      * @throws Exception
 23      *
 24      */
 25     @Test
 26     public void test1() throws  Exception{
 27
 28         Person p = new Person();
 29
 30         BeanUtils.setProperty(p, "name", "zero");
 31
 32         System.out.println(p.getName());
 33
 34     }
 35
 36     @Test
 37     public void test2() throws  Exception{
 38
 39         String name = "aaaa";
 40         String password = "123";
 41         String age = "34";
 42
 43         Person p = new Person();
 44
 45         BeanUtils.setProperty(p, "name", name);//只支持8种基本数据类型
 46         BeanUtils.setProperty(p, "password", password);
 47         BeanUtils.setProperty(p, "age", age);
 48
 49         System.out.println(p.getName()+"*"+p.getPassword()+"*"+p.getAge());
 50
 51     }
 52
 53     @Test
 54     public void test3() throws  Exception{
 55
 56         String name = "aaaa";
 57         String password = "123";
 58         String age = "34";
 59         String birthday = "1900-1-1";
 60
 61         //为了让日期赋到bean的birthday属性上，给beanUtils注册一个日期转换
 62         ConvertUtils.register(new Converter(){
 63
 64             @Override
 65             public Object convert(Class type, Object value) {
 66
 67                 if(value==null){
 68                     return null;
 69                 }
 70                 if(!(value instanceof String)){
 71                     throw new ConversionException("only support String");
 72                 }
 73
 74                 String str = (String) value;
 75
 76                 if(str.trim().equals("")){
 77                     return null;
 78                 }
 79
 80                 SimpleDateFormat df = new SimpleDateFormat("yyyy-mm-dd");
 81
 82                 try {
 83                     return df.parse(str);
 84                 } catch (ParseException e) {
 85                     throw new RuntimeException(e);
 86                 }
 87
 88             }
 89
 90         },Date.class);
 91
 92         Person p = new Person();
 93
 94         BeanUtils.setProperty(p, "name", name);//只支持8种基本数据类型
 95         BeanUtils.setProperty(p, "password", password);
 96         BeanUtils.setProperty(p, "age", age);
 97         BeanUtils.setProperty(p, "birthday", birthday);
 98
 99         System.out.println(p.getName()+"*"+p.getPassword()+"*"+p.getAge()+"*"+p.getBirthday());
100
101     }
102
103     @Test
104     public void test4() throws  Exception{
105
106         String name = "aaaa";
107         String password = "123";
108         String age = "34";
109         String birthday = "1998-1-1";
110
111         ConvertUtils.register(new DateLocaleConverter(), Date.class);
112
113         Person p = new Person();
114
115         BeanUtils.setProperty(p, "name", name);//只支持8种基本数据类型
116         BeanUtils.setProperty(p, "password", password);
117         BeanUtils.setProperty(p, "age", age);
118         BeanUtils.setProperty(p, "birthday", birthday);
119
120         Date date = p.getBirthday();
121
122         System.out.println(p.getName()+"*"+p.getPassword()+"*"+p.getAge()+"*"+date.toLocaleString());
123
124     }
125
126     @Test
127     public void test5() throws Exception{
128
129         Map map = new HashMap();
130         map.put("name", "zero");
131         map.put("password", "521212");
132         map.put("age", "33");
133         map.put("birthday", "1998-1-1");
134
135         ConvertUtils.register(new DateLocaleConverter(), Date.class);
136
137         Person p = new Person();
138
139         BeanUtils.populate(p, map);//用map集合的值，填充bean的属性值
140
141         System.out.println(p.getName()+"*"+p.getPassword()+"*"+p.getAge()+"*"+p.getBirthday());
142
143     }
144
145 }

 1 import java.util.Date;
 2
 3
 4 public class Person {// javabean
 5
 6     private String name;
 7     private String password;
 8     private int age;
 9     private Date birthday;
10
11     public Date getBirthday() {
12         return birthday;
13     }
14
15     public void setBirthday(Date birthday) {
16         this.birthday = birthday;
17     }
18
19     public String getName() {
20         return name;
21     }
22
23     public void setName(String name) {
24         this.name = name;
25     }
26
27     public String getPassword() {
28         return password;
29     }
30
31     public void setPassword(String password) {
32         this.password = password;
33     }
34
35     public int getAge() {
36         return age;
37     }
38
39     public void setAge(int age) {
40         this.age = age;
41     }
42
43     public String getAb(){
44         return null;
45     }
46
47
48 }