// 将string类型的时间转换成SQL date 型
public Date dateChange(String date1)
{
SimpleDateFormat sdf =new SimpleDateFormat("yyyy-MM-dd");
java.util.Date cDate;
Date dd=null;
try {
cDate = sdf.parse(date1);
dd =new Date(cDate.getTime());
} catch (ParseException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return dd;
}