Java开发网 - 怎样将String定义为一个固定长度的String如FF变为00FF，F变问000F

Topic: 怎样将String定义为一个固定长度的String如FF变为00FF，F变问000F

1.怎样将String定义为一个固定长度的String如FF变为00FF，F变问000F	Copy to clipboard
Posted by: leipub Posted on: 2005-08-31 15:02 怎样将String定义为一个固定长度的String如FF变为00FF，F变问000F

2.Re:怎样将String定义为一个固定长度的String如FF变为00FF，F变问000F [Re: leipub]	Copy to clipboard
Posted by: Julian13 Posted on: 2005-09-01 11:19 there should be no standard ways to do it. but to pad the String in fixed length, you can reuse the StringUtils from Apache Commons-Lang (http://jakarta.apache.org/commons/lang/) there is a operation "leftPad" serve the purpose. sth like paddedValue = StringUtils.leftPad(yourValue, 4, "0");