zbl802202的博客

public static void objectTrimAndRemoveRN(Object obj) { if (obj == null) { return; } Field[] fields = obj.getClass().getDeclaredFields(); for (Field field :...

校验18位身份证public static final int[] powerFactor = {7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2}; public static boolean validateIdCard18(String cardNo) { boolean bTrue =...

java获取随机长度字符串public static String getRandomString(int length) { String val = ""; Random random = new Random(); for (int i = 0; i < length; i++) { String charOrN...

Date，DateTime，LocalDate，String之间的相互转化/** * Date转DateTime * * @param date * @return */public static DateTime dateToDateTime(Date date) { return new DateTime(date.getTime());}/** * DateTi...

检测数组是否为空直接上代码import java.util.Arrays;import java.util.Iterator;import java.util.NoSuchElementException;public class NullSafeIterable implements Iterable {private Iterable<T> iterable;pri...