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文本数字取整数或2位小数的程式
[Author]海鸟软件工作室
[Category]
Free Reading
[Key-words]文本数字取整数或2位小数的程式，海鸟软件工作室
[Profile]海鸟电子商务软件-文本数字取整数或2位小数的程式：number参数为2时取2位小数，为0时取整数。
[Issue-date]2011-12-23
[Last-time]2025-05-05 02:45:44
[View-times]944
Text
package
com.seabird.main.util;
/**
* <p>Title: 海鸟电子商务软件-文本数字取整数或2位小数的程式</p>
* <p>Description: number参数为2时取2位小数，为0时取整数</p>
* <p>Copyright: Copyright (c) 2011</p>
* <p>Company: 海鸟软件工作室</p>
* @author 黄友志
* @version 1.1
*/
public
class
StringtoDigital {
public
static
String StringtoDigital(
int
number,String digital_text) {
String newdigtal=
null
;
digital_text=digital_text.replaceAll("．",".");
//防止误输全角小数点
if
(number==2) {
if
(digital_text.indexOf(".") ==-1){
newdigtal=digital_text+".00";
}
else
{
String firstpart = digital_text.substring(0,digital_text.indexOf("."));
String lastpart = digital_text.substring(digital_text.indexOf(".")+1);
if
(lastpart.length() ==0) {
lastpart=lastpart+"00";
}
else
if
(lastpart.length() ==1) {
lastpart=lastpart+"0";
}
else
if
(lastpart.length() >=3) {
int
round = Integer.parseInt(lastpart.substring(2,3));
if
(round>=5){
round = Integer.parseInt(lastpart.substring(1,2))+1;
if
(lastpart.substring(1,2).equals("9")
&& lastpart.substring(0,1).equals("9")){
round = 1;
firstpart=Double.toString((Double.parseDouble(firstpart.substring(0,firstpart.length()))+round));
if
(firstpart.indexOf(".") != -1) {
firstpart = firstpart.substring(0,firstpart.indexOf("."));
}
lastpart="00";
}
else
if
(lastpart.substring(1,2).equals("9")){
round = Integer.parseInt(lastpart.substring(0,1))+1;
lastpart=Integer.toString(round)+"0";
}
else
{
lastpart=lastpart.substring(0,1)+Integer.toString(round);
}
}
else
{
lastpart=lastpart.substring(0,2);
}
}
newdigtal=firstpart+"."+lastpart;
}
}
else
if
(number==0) {
if
(digital_text.indexOf(".") ==-1 ){
newdigtal=digital_text;
}
else
{
String firstpart = digital_text.substring(0,digital_text.indexOf("."));
String lastpart = digital_text.substring(digital_text.indexOf(".")+1);
if
(lastpart.length() >=1) {
int
round = Integer.parseInt(lastpart.substring(0,1));
if
(round>=5){
firstpart = Double.toString(Double.parseDouble(firstpart)+1);
if
(firstpart.indexOf(".") != -1) {
firstpart = firstpart.substring(0,firstpart.indexOf("."));
}
}
}
newdigtal=firstpart;
}
}
return
newdigtal;
}
}
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