数字处理代码,Java代码库,德仔网

代码语言
代码分类
【Java】数字处理
作者: / 发布于2011/1/14/ 515
import java.util.Date;
import java.util.Calendar;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Vector;
import java.util.Currency;
import java.util.Locale;
import java.text.NumberFormat;
import java.text.DecimalFormat;
import weblogic.apache.xerces.impl.xpath.regex.RegularExpression;
public class Tool {

 //四舍五入取小数点后两位
 public final static double truncate(double number) {
 return Double.parseDouble(Math.round(number * 100) + "") / 100;
 }

 //取得当前时间
 public static String getDateTime() {
 Date d = new Date();
 DateFormat df = DateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.MEDIUM);
 return df.format(d);
 }

 //取得当前日期
 public static String getDate() {
 Calendar cal = Calendar.getInstance();
 SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
 return formatter.format(cal.getTime());
 }

 //取得当前月
 public static String getMonth() {
 Calendar cal = Calendar.getInstance();
 SimpleDateFormat formatter = new SimpleDateFormat("yyyyMM");
 return formatter.format(cal.getTime());
 }

 /**
 * 格式化货币，将小写转成中文大些
 * @param money
 * @return
 */
 public static String getCapMoney(String money) {
 try {
 if (money == null || "".equals(money)) {
 return "";
 }
 String resule = "";
 //四舍五入取小数点后两位
 money = formatcurrency(money);
 //System.out.println("money" + money);
 Vector moneys = StringB.parseStringTokenizer(money,".");
 char[] digitals = null;
 char[] decimals = null;
 if(moneys.size()==1){
 digitals = moneys.elementAt(0).toString().toCharArray();
 decimals = new char[0];
 }else if(moneys.size()==2){
 digitals = moneys.elementAt(0).toString().toCharArray();
 decimals = moneys.elementAt(1).toString().toCharArray();
 }else{
 digitals = new char[0];
 decimals = new char[0];
 }

 for (int i = digitals.length - 1; i >= 0; i--) {
 int j = 12 - digitals.length + i;
 resule = Chinamemoneyunit(j,
 Integer.parseInt(String.valueOf(digitals[
 i]))) + resule;
 }
 if(resule.length()>0){
 resule = resule + "圆";
 }
 if(decimals[0]=='0'){
 if(decimals[1]=='0'){
 resule = resule + "整";
 }else{
 resule = resule + "零" +
 Chinamemoney(Integer.parseInt(String.valueOf(decimals[1]))) +
 "分";
 }
 }else{
 resule = resule +
 Chinamemoney(Integer.parseInt(String.valueOf(decimals[0]))) +
 "角";
 if(decimals[1]=='0'){
 resule = resule + "整";
 }else{
 resule = resule +
 Chinamemoney(Integer.parseInt(String.valueOf(decimals[1]))) +
 "分";
 }
 }
 return resule;
 }
 catch (Exception ex) {
 ex.printStackTrace();
 return "";
 }

 }

 private static String Chinamemoney(int i){
 String s = "零壹贰叁肆伍陆柒捌玖";
 char[] ss = s.toCharArray();
 return String.valueOf(ss[i]);
 }

 private static String Chinamemoneyunit(int unit,int value){
 String strunit = "仟佰拾亿仟佰拾万仟佰拾 ";
 String strvalue = "零壹贰叁肆伍陆柒捌玖";
 char[] units = strunit.toCharArray();
 char[] values = strvalue.toCharArray();
 if(value==0){
 return "零";
 }else{
 return String.valueOf(values[value]) + String.valueOf(units[unit]).trim();
 }
 }

 public static void main(String[] args) {
 //System.out.println(formatcurrency("0.0"));
 System.out.println(formatcurrency("00.9"));
 }

 /**
 * 格式化成货币类型，即四舍五入保留小数点两位，没有就补零
 * @param money
 * @return
 */
 public static String formatcurrency(String money){
 try {
 if (money == null || "".equals(money)) {
 return "";
 }
 else {
 if (money.indexOf(".") == 0) {
 money = "0" + money;
 }
 NumberFormat formatter = new DecimalFormat("0.00");
 return formatter.format(Double.parseDouble(money));
 }
 }
 catch (NumberFormatException ex) {
 return "";
 }
 }

 /**
 * 格式化笔数，小数点后的零去掉
 * @param count
 * @return
 */
 public static String formatcount(String count){
 try {
 String str = "";
 if (count == null || "".equals(count)) {
 return "";
 }
 else {
 if (count.indexOf(".") == -1) {
 str = count;
 }else{
 str = count.substring(0,count.indexOf("."));
 }
 return str;
 }
 }
 catch (StringIndexOutOfBoundsException ex) {
 return "";
 }
 }

}
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