JavaJstl的专栏

public static boolean isDecimal(String str){ return Pattern.compile("([1-9]+[0-9]*|0)(\\.[\\d]+)?").matcher(str).matches(); } public static void main(String[] args){ System.out.println(

package info.util; import net.sourceforge.pinyin4j.PinyinHelper; import net.sourceforge.pinyin4j.format.HanyuPinyinCaseType; import net.sourceforge.pinyin4j.format.HanyuPinyinOutputFormat; impor