public static String replace(String source,String oldString,String newString)
{
if(source == null)
return null;
StringBuffer output = new StringBuffer();
int lengOfsource = source.length();
int lengOfold = oldString.length();
int posStart = 0;
int pos;
while((pos = source.indexOf(oldString,posStart)) >= 0)
{
output.append(source.substring(posStart,pos));
output.append(newString);
posStart = pos + lengOfold;
}
if(posStart < lengOfsource)
{
output.append(source.substring(posStart));
}
return output.toString();
}
{
if(source == null)
return null;
StringBuffer output = new StringBuffer();
int lengOfsource = source.length();
int lengOfold = oldString.length();
int posStart = 0;
int pos;
while((pos = source.indexOf(oldString,posStart)) >= 0)
{
output.append(source.substring(posStart,pos));
output.append(newString);
posStart = pos + lengOfold;
}
if(posStart < lengOfsource)
{
output.append(source.substring(posStart));
}
return output.toString();
}
解决方案 »
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