万能对象拷贝工具 支持不同数据类型
import java.lang.reflect.Field;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
public class BeanUtil {
/**
* 拷贝相同属性
* 从src 复制到 des
*/
public static void copyPropertys(Object src, Object des){
ArrayListField> srCFields = new ArrayListField> ();
HashMapString,Field> desFields = new HashMapString,Field> ();
for(Field field : src.getClass().getDeclaredFields()){
srcFields.add(field);
}
for(Field field : des.getClass().getDeclareDFields()){
desFields.put(field.getName(),field);
}
for(Field srcfield :srcFields){
try {
if(desFields.containsKey(srcfield.getName()))
{
Field desField = desFields.get(srcfield.getName());
if(srcfield.getName().equals("serialVersionUID")){
continue;
}
desField.setAccessible(true);
srcfield.setAccessible(true);
if(srcfield.getTyPE()!=desField.getType())
{
if((srcfield.getType() == java.util.Date.class || srcfield.getType() == java.SQL.Date.class || srcfield.getType() ==
java.sql.Timestamp.class) & & desField.getType() == java.lang.String.class)
{
java.util.Date dates = (Date) srcfield.get(src);
desField.set(des, formatDate(dates));
} else
{
if(desField.getType() == java.util.Date.class || desField.getType() == java.sql.Date.class || desField.getType() == java.sql.Timestamp.class )
{
java.util.Date date = ToDate(String.valueOf(srcfield.get(src)));
desField.set(des,date);
} else if(desField.getType() == java.lang.Integer.class || desField.getType() == int.class )
{
Integer ints =java.lang.Integer.valueOf(String.valueOf(srcfield.get(src)));
desField.set(des,ints);
} else if(desField.getType() == java.lang.Long.class )
{
java.lang.Long longs = java.lang.Long.getLong(String.valueOf(srcfield.get(src)));
desField.set(des,longs);
} else{
desField.set(des,String.valueOf(srcfield.get(src)));
}
}
} else
{
desField.set(des,srcfield.get(src));
}
desField.setAccessible(false);
srcfield.setAccessible(false);
}
} catch (Exception e) {
e.PRintStackTrace();
}
}
}
/**
* 把Date格式成yyyy-MM-dd HH:mm:ss格式的字符串
*/
public static String formatDate(Date date) {
if (date == null)
return "";
SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
return df.format(date);
}
/**
* 把Date格式成yyyy-MM-dd HH:mm:ss格式的字符串
*/
public static Date ToDate(String date) throws ParseException {
SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
return df.parse(date);
}
}
import java.lang.reflect.Field;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
public class BeanUtil {
/**
* 拷贝相同属性
* 从src 复制到 des
*/
public static void copyPropertys(Object src, Object des){
ArrayListField> srcFields = new ArrayListField> ();
HashMapString,Field> desFields = new HashMapString,Field> ();
for(Field field : src.getClass().getDeclaredFields()){
srcFields.add(field);
}
for(Field field : des.getClass().getDeclaredFields()){
desFields.put(field.getName(),field);
}
for(Field srcfield :srcFields){
try {
if(desFields.containsKey(srcfield.getName()))
{
Field desField = desFields.get(srcfield.getName());
if(srcfield.getName().equals("serialVersionUID")){
continue;
}
desField.setAccessible(true);
srcfield.setAccessible(true);
if(srcfield.getType()!=desField.getType())
{
if((srcfield.getType() == java.util.Date.class || srcfield.getType() == java.sql.Date.class || srcfield.getType() ==
java.sql.Timestamp.class) & & desField.getType() == java.lang.String.class)
{
java.util.Date dates = (Date) srcfield.get(src);
desField.set(des, formatDate(dates));
} else
{
if(desField.getType() == java.util.Date.class || desField.getType() == java.sql.Date.class || desField.getType() == java.sql.Timestamp.class )
{
java.util.Date date = ToDate(String.valueOf(srcfield.get(src)));
desField.set(des,date);
} else if(desField.getType() == java.lang.Integer.class || desField.getType() == int.class )
{
Integer ints =java.lang.Integer.valueOf(String.valueOf(srcfield.get(src)));
desField.set(des,ints);
} else if(desField.getType() == java.lang.Long.class )
{
java.lang.Long longs = java.lang.Long.getLong(String.valueOf(srcfield.get(src)));
desField.set(des,longs);
} else{
desField.set(des,String.valueOf(srcfield.get(src)));
}
}
} else
{
desField.set(des,srcfield.get(src));
}
desField.setAccessible(false);
srcfield.setAccessible(false);
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
/**
* 把Date格式成yyyy-MM-dd HH:mm:ss格式的字符串
*/
public static String formatDate(Date date) {
if (date == null)
return "";
SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
return df.format(date); www.2cto.COM
}
/**
* 把Date格式成yyyy-MM-dd HH:mm:ss格式的字符串
*/
public static Date ToDate(String date) throws ParseException {
SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
return df.parse(date);
}
}
[html]
import java.lang.reflect.Field;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
public class BeanUtil {
/**
* 拷贝相同属性
* 从src 复制到 des
*/
public static void copyPropertys(Object src, Object des){
ArrayListField> srcFields = new ArrayListField> ();
HashMapString,Field> desFields = new HashMapString,Field> ();
for(Field field : src.getClass().getDeclaredFields()){
srcFields.add(field);
}
for(Field field : des.getClass().getDeclaredFields()){
desFields.put(field.getName(),field);
}
for(Field srcfield :srcFields){
try {
if(desFields.containsKey(srcfield.getName()))
{
Field desField = desFields.get(srcfield.getName());
if(srcfield.getName().equals("serialVersionUID")){
continue;
}
desField.setAccessible(true);
srcfield.setAccessible(true);
if(srcfield.getType()!=desField.getType())
{
if((srcfield.getType() == java.util.Date.class || srcfield.getType() == java.sql.Date.class || srcfield.getType() ==
java.sql.Timestamp.class) & & desField.getType() == java.lang.String.class)
{
java.util.Date dates = (Date) srcfield.get(src);
desField.set(des, formatDate(dates));
} else
{
if(desField.getType() == java.util.Date.class || desField.getType() == java.sql.Date.class || desField.getType() == java.sql.Timestamp.class )
{
java.util.Date date = ToDate(String.valueOf(srcfield.get(src)));
desField.set(des,date);
} else if(desField.getType() == java.lang.Integer.class || desField.getType() == int.class )
{
Integer ints =java.lang.Integer.valueOf(String.valueOf(srcfield.get(src)));
desField.set(des,ints);
} else if(desField.getType() == java.lang.Long.class )
{
java.lang.Long longs = java.lang.Long.getLong(String.valueOf(srcfield.get(src)));
desField.set(des,longs);
} else{
desField.set(des,String.valueOf(srcfield.get(src)));
}
}
} else
{
desField.set(des,srcfield.get(src));
}
desField.setAccessible(false);
srcfield.setAccessible(false);
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
/**
* 把Date格式成yyyy-MM-dd HH:mm:ss格式的字符串
*/
public static String formatDate(Date date) {
if (date == null)
return "";
SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
return df.format(date);
}
/**
* 把Date格式成yyyy-MM-dd HH:mm:ss格式的字符串
*/
public static Date ToDate(String date) throws ParseException {
SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
return df.parse(date);
}
}
import java.lang.reflect.Field;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
public class BeanUtil {
/**
* 拷贝相同属性
* 从src 复制到 des
*/
public static void copyPropertys(Object src, Object des){
ArrayListField> srcFields = new ArrayListField> ();
HashMapString,Field> desFields = new HashMapString,Field> ();
for(Field field : src.getClass().getDeclaredFields()){
srcFields.add(field);
}
for(Field field : des.getClass().getDeclaredFields()){
desFields.put(field.getName(),field);
}
for(Field srcfield :srcFields){
try {
if(desFields.containsKey(srcfield.getName()))
{
Field desField = desFields.get(srcfield.getName());
if(srcfield.getName().equals("serialVersionUID")){
continue;
}
desField.setAccessible(true);
srcfield.setAccessible(true);
if(srcfield.getType()!=desField.getType())
{
if((srcfield.getType() == java.util.Date.class || srcfield.getType() == java.sql.Date.class || srcfield.getType() ==
java.sql.Timestamp.class) & & desField.getType() == java.lang.String.class)
{
java.util.Date dates = (Date) srcfield.get(src);
desField.set(des, formatDate(dates));
} else
{
if(desField.getType() == java.util.Date.class || desField.getType() == java.sql.Date.class || desField.getType() == java.sql.Timestamp.class )
{
java.util.Date date = ToDate(String.valueOf(srcfield.get(src)));
desField.set(des,date);
} else if(desField.getType() == java.lang.Integer.class || desField.getType() == int.class )
{
Integer ints =java.lang.Integer.valueOf(String.valueOf(srcfield.get(src)));
desField.set(des,ints);
} else if(desField.getType() == java.lang.Long.class )
{
java.lang.Long longs = java.lang.Long.getLong(String.valueOf(srcfield.get(src)));
desField.set(des,longs);
} else{
desField.set(des,String.valueOf(srcfield.get(src)));
}
}
} else
{
desField.set(des,srcfield.get(src));
}
desField.setAccessible(false);
srcfield.setAccessible(false);
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
/**
* 把Date格式成yyyy-MM-dd HH:mm:ss格式的字符串
*/
public static String formatDate(Date date) {
if (date == null)
return "";
SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
return df.format(date); www.2cto.com
}
/**
* 把Date格式成yyyy-MM-dd HH:mm:ss格式的字符串
*/
public static Date ToDate(String date) throws ParseException {
SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
return df.parse(date);
}
}
觉得可用，就经常来吧！ 欢迎评论哦！ html5教程，巧夺天工，精雕玉琢。小宝典献丑了！
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