import java.lang.reflect.Field
import java.lang.reflect.Method
import java.util.ArrayList
import java.util.HashMap
import java.util.List
import java.util.Map
public class Test {
public static void main(String[] args) throws Exception {
Customer1 c1 = new Customer1()
c1.setName("c1")
List<String>list = new ArrayList<String>()
list.add("1")
list.add("2")
c1.setList(list)
Map<String,String>map = new HashMap<String, String>()
map.put("map1", "map1")
map.put("map2", "map2")
c1.setMap(map)
Customer2 c2 = new Customer2()
//
Class c = c1.getClass()
Class class2 = c2.getClass()
Field fields[] = c.getDeclaredFields()
for (int i = 0i <fields.lengthi++) {
Field field = fields[i]
String fieldName = field.getName()
String firstLetter = fieldName.substring(0, 1).toUpperCase()
String getMethodName = "get" + firstLetter + fieldName.substring(1)
String setMethodName = "set" + firstLetter + fieldName.substring(1)
Method getMethod = c.getMethod(getMethodName, new Class[] {})
Method setMethod = class2.getMethod(setMethodName,
new Class[] { field.getType() })
Object value = getMethod.invoke(c1, new Object[] {})
setMethod.invoke(c2, new Object[] { value })
}
System.out.println(c2.getName())
System.out.println(c2.getList())
System.out.println(c2.getMap())
}
}
class Customer1 {
private String name
private List<String>list
private Map<String, String>map
public String getName() {
return name
}
public void setName(String name) {
this.name = name
}
public List<String>getList() {
return list
}
public void setList(List<String>list) {
this.list = list
}
public Map<String, String>getMap() {
return map
}
public void setMap(Map<String, String>map) {
this.map = map
}
}
class Customer2 {
private String name
private List<String>list
private Map<String, String>map
public String getName() {
return name
}
public void setName(String name) {
this.name = name
}
public List<String>getList() {
return list
}
public void setList(List<String>list) {
this.list = list
}
public Map<String, String>getMap() {
return map
}
public void setMap(Map<String, String>map) {
this.map = map
}
}
给你个小例子class test implents Cloneable
{
test t1 = new test()
test t2 = null
try {
t2 = (test)t1.clone()
} catch (CloneNotSupportedException e) {
// TODO Auto-generated catch block
e.printStackTrace()
}
}
用clone()方法，不过在对象重载了Object的clone才能用。Object的clone方法是protected。
