public java.sql.Date dataConversionUtil(String timeStr){
SimpleDateFormat sdf=new SimpleDateFormat("yyyy/MM/dd");//小写的mm表示的是分钟
java.sql.Date dateSql = null;
try {
java.util.Date dateUtil = sdf.parse(timeStr);
dateSql = new java.sql.Date(dateUtil.getTime());
} catch (ParseException e) {
e.printStackTrace();
}
return dateSql;
}