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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){
ArrayList<Field> srcFields = new ArrayList<Field>();
HashMap<String,Field> desFields = new HashMap<String,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);
}
/**
<
