new utils
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35
basic-util/src/main/java/ink/wgink/util/ArrayListUtil.java
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35
basic-util/src/main/java/ink/wgink/util/ArrayListUtil.java
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package ink.wgink.util;
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import java.io.*;
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import java.util.List;
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/**
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* When you feel like quitting. Think about why you started
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* 当你想要放弃的时候，想想当初你为何开始
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*
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* @ClassName: ArrayListUtil
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* @Description: 列表工具
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* @Author: WangGeng
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* @Date: 2020/8/24 17:25
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* @Version: 1.0
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**/
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public class ArrayListUtil {
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public static <T extends Serializable> List<T> deepClone(List<? extends Serializable> sourceList, Class<T> clazz) {
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ByteArrayOutputStream byteOut = new ByteArrayOutputStream();
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try {
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ObjectOutputStream out = new ObjectOutputStream(byteOut);
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out.writeObject(sourceList);
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ByteArrayInputStream byteIn = new ByteArrayInputStream(byteOut.toByteArray());
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ObjectInputStream inStream = new ObjectInputStream(byteIn);
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List<T> destList = (List<T>) inStream.readObject();
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return destList;
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} catch (IOException e) {
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e.printStackTrace();
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} catch (ClassNotFoundException e) {
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e.printStackTrace();
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}
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return null;
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}
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}
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325
basic-util/src/main/java/ink/wgink/util/SortCodeUtil.java
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325
basic-util/src/main/java/ink/wgink/util/SortCodeUtil.java
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package ink.wgink.util;
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/**
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* When you feel like quitting. Think about why you started
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* 当你想要放弃的时候，想想当初你为何开始
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*
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* @ClassName: SortCodeUtil
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* @Description: 排序编码工具
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* @Author: WangGeng
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* @Date: 2020/1/14 10:21 下午
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* @Version: 1.0
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**/
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public class SortCodeUtil {
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/**
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* 获取排序Code
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*
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* @param lastCode 上一个编码，获取第一个值为null即可
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* @param separator 分隔符 默认"-"
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* @param sectionLength 片段长度 默认长度3
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* @return
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*/
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public static String getNextSortCode(String lastCode, String separator, int sectionLength) {
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separator = (separator == null || separator.isEmpty()) ? "-" : separator;
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sectionLength = sectionLength <= 0 ? 3 : sectionLength;
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String carryFlag = String.format("%0" + sectionLength + "d", 0);
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if (lastCode == null || lastCode.isEmpty()) {
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return carryFlag;
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}
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// 获取分段数组
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String[] sectionArray = lastCode.split(separator);
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boolean hasCarry = true;
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String resultSortCode = "";
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for (int i = sectionArray.length - 1; i >= 0; i--) {
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String section = sectionArray[i];
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if (hasCarry) {
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String nextCode = nextCode(section, sectionLength);
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if (resultSortCode.isEmpty()) {
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resultSortCode = nextCode;
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} else {
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resultSortCode = nextCode + separator + resultSortCode;
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}
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if (carryFlag.equals(nextCode)) {
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hasCarry = true;
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continue;
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}
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hasCarry = false;
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} else {
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resultSortCode = section + separator + resultSortCode;
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}
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}
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return resultSortCode;
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}
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/**
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* 下一个编码，编码大小为 36^sectionLength，最小 0*sectionLength
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*
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* @param code 编码
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* @param sectionLength 长度
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* @return
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*/
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public static String nextCode(String code, int sectionLength) {
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if (code == null || code.isEmpty()) {
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return String.format("%0" + sectionLength + "d", 0);
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}
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code = code.toUpperCase();
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char[] charArray = code.toCharArray();
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boolean hasCarry = true;
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String resultCode = "";
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for (int i = charArray.length - 1; i >= 0; i--) {
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char currentChar = charArray[i];
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if (hasCarry) {
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char nextChar = nextChar(currentChar);
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resultCode = nextChar + resultCode;
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if ('0' == nextChar) {
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hasCarry = true;
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continue;
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}
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hasCarry = false;
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} else {
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// 没有发生进位直接相加
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resultCode = currentChar + resultCode;
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}
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}
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return resultCode;
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}
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/**
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* 下一个字符
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*
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* @param currentChar
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* @return
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*/
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private static char nextChar(char currentChar) {
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char nextChar = '0';
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if ('0' == currentChar) {
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nextChar = '1';
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} else if ('1' == currentChar) {
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nextChar = '2';
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} else if ('2' == currentChar) {
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nextChar = '3';
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} else if ('3' == currentChar) {
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nextChar = '4';
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} else if ('4' == currentChar) {
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nextChar = '5';
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} else if ('5' == currentChar) {
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nextChar = '6';
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} else if ('6' == currentChar) {
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nextChar = '7';
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} else if ('7' == currentChar) {
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nextChar = '8';
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} else if ('8' == currentChar) {
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nextChar = '9';
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} else if ('9' == currentChar) {
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nextChar = 'A';
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} else if ('A' == currentChar) {
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nextChar = 'B';
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} else if ('B' == currentChar) {
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nextChar = 'C';
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} else if ('C' == currentChar) {
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nextChar = 'D';
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} else if ('D' == currentChar) {
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nextChar = 'E';
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} else if ('E' == currentChar) {
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nextChar = 'F';
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} else if ('F' == currentChar) {
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nextChar = 'G';
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} else if ('G' == currentChar) {
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nextChar = 'H';
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} else if ('H' == currentChar) {
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nextChar = 'I';
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} else if ('I' == currentChar) {
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nextChar = 'J';
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} else if ('J' == currentChar) {
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nextChar = 'K';
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} else if ('K' == currentChar) {
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nextChar = 'L';
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} else if ('L' == currentChar) {
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nextChar = 'M';
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} else if ('M' == currentChar) {
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nextChar = 'N';
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} else if ('N' == currentChar) {
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nextChar = 'O';
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} else if ('O' == currentChar) {
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nextChar = 'P';
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} else if ('P' == currentChar) {
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nextChar = 'Q';
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} else if ('Q' == currentChar) {
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nextChar = 'R';
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} else if ('R' == currentChar) {
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nextChar = 'S';
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} else if ('S' == currentChar) {
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nextChar = 'T';
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} else if ('T' == currentChar) {
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nextChar = 'U';
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} else if ('U' == currentChar) {
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nextChar = 'V';
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} else if ('V' == currentChar) {
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nextChar = 'W';
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} else if ('W' == currentChar) {
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nextChar = 'X';
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} else if ('X' == currentChar) {
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nextChar = 'Y';
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} else if ('Y' == currentChar) {
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nextChar = 'Z';
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}
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return nextChar;
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}
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/**
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* 获取排序Code
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*
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* @param nextCode 下一个编码，获取最后一个值为null即可
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* @param separator 分隔符 默认"-"
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* @param sectionLength 片段长度 默认长度3
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* @return
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*/
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public static String getPrevSortCode(String nextCode, String separator, int sectionLength) {
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separator = ((separator == null) || separator.isEmpty()) ? "-" : separator;
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sectionLength = sectionLength <= 0 ? 3 : sectionLength;
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String borrowFlag = String.format("%" + sectionLength + "s", "Z").replaceAll("\\s", "Z");
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if (nextCode == null || nextCode.isEmpty()) {
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return borrowFlag;
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}
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// 获取分段数组
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String[] sectionArray = nextCode.split(separator);
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boolean hasBorrow = true;
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String resultSortCode = "";
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for (int i = sectionArray.length - 1; i >= 0; i--) {
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String section = sectionArray[i];
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if (hasBorrow) {
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String prevCode = prevCode(section, sectionLength);
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if (resultSortCode.isEmpty()) {
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resultSortCode = prevCode;
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} else {
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resultSortCode = prevCode + separator + resultSortCode;
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}
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if (borrowFlag.equals(prevCode)) {
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hasBorrow = true;
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continue;
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}
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hasBorrow = false;
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} else {
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resultSortCode = section + separator + resultSortCode;
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}
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}
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return resultSortCode;
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}
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/**
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* 上一个编码，编码大小为 36^sectionLength，最大 Z*sectionLength
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*
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* @param code 编码
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* @param sectionLength 长度
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* @return
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*/
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public static String prevCode(String code, int sectionLength) {
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if (code == null || code.isEmpty()) {
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return String.format("%" + sectionLength + "s", "Z").replaceAll("\\s", "Z");
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}
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code = code.toUpperCase();
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char[] charArray = code.toCharArray();
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boolean hasBorrow = true;
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String resultCode = "";
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for (int i = charArray.length - 1; i >= 0; i--) {
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char currentChar = charArray[i];
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if (hasBorrow) {
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char prevChar = prevChar(currentChar);
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resultCode = prevChar + resultCode;
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if ('Z' == prevChar) {
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hasBorrow = true;
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continue;
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}
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hasBorrow = false;
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} else {
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// 没有发生借位直接
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resultCode = currentChar + resultCode;
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}
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}
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return resultCode;
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}
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/**
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* 上一个字符
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*
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* @param currentChar
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* @return
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*/
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private static char prevChar(char currentChar) {
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char prevChar = 'Z';
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if ('1' == currentChar) {
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prevChar = '0';
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} else if ('2' == currentChar) {
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prevChar = '1';
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} else if ('3' == currentChar) {
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prevChar = '2';
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} else if ('4' == currentChar) {
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prevChar = '3';
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} else if ('5' == currentChar) {
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prevChar = '4';
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} else if ('6' == currentChar) {
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prevChar = '5';
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} else if ('7' == currentChar) {
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prevChar = '6';
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} else if ('8' == currentChar) {
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prevChar = '7';
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} else if ('9' == currentChar) {
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prevChar = '8';
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} else if ('A' == currentChar) {
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prevChar = '9';
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} else if ('B' == currentChar) {
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prevChar = 'A';
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} else if ('C' == currentChar) {
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prevChar = 'B';
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} else if ('D' == currentChar) {
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prevChar = 'C';
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} else if ('E' == currentChar) {
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prevChar = 'D';
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} else if ('F' == currentChar) {
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prevChar = 'E';
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} else if ('G' == currentChar) {
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prevChar = 'F';
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} else if ('H' == currentChar) {
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prevChar = 'G';
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} else if ('I' == currentChar) {
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prevChar = 'H';
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} else if ('J' == currentChar) {
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prevChar = 'I';
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} else if ('K' == currentChar) {
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prevChar = 'J';
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} else if ('L' == currentChar) {
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prevChar = 'K';
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} else if ('M' == currentChar) {
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prevChar = 'L';
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} else if ('N' == currentChar) {
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prevChar = 'M';
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} else if ('O' == currentChar) {
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prevChar = 'N';
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} else if ('P' == currentChar) {
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prevChar = 'O';
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} else if ('Q' == currentChar) {
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prevChar = 'P';
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} else if ('R' == currentChar) {
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prevChar = 'Q';
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} else if ('S' == currentChar) {
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prevChar = 'R';
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} else if ('T' == currentChar) {
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prevChar = 'S';
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} else if ('U' == currentChar) {
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prevChar = 'T';
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} else if ('V' == currentChar) {
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prevChar = 'U';
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} else if ('W' == currentChar) {
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prevChar = 'V';
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} else if ('X' == currentChar) {
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prevChar = 'W';
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} else if ('Y' == currentChar) {
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prevChar = 'X';
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} else if ('Z' == currentChar) {
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prevChar = 'Y';
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}
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return prevChar;
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}
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}
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126
basic-util/src/main/java/ink/wgink/util/ZipUtil.java
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126
basic-util/src/main/java/ink/wgink/util/ZipUtil.java
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package ink.wgink.util;
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import org.apache.commons.compress.archivers.zip.ZipArchiveEntry;
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import org.apache.commons.compress.archivers.zip.ZipArchiveInputStream;
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import org.apache.commons.io.FileUtils;
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import org.apache.commons.io.IOUtils;
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import java.io.*;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.zip.ZipEntry;
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import java.util.zip.ZipOutputStream;
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/**
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* @ClassName: ZipUtil
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* @Description: 压缩
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* @Author: WangGeng
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* @Date: 2019/4/28 11:24 AM
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* @Version: 1.0
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**/
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public class ZipUtil {
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/**
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* 压缩文件
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*
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* @param inputFileName
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* @param zipFileName
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* @return
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* @throws Exception
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*/
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public static Boolean zip(String inputFileName, String zipFileName) throws Exception {
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zip(zipFileName, new File(inputFileName));
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return true;
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}
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private static void zip(String zipFileName, File inputFile) throws Exception {
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ZipOutputStream out = new ZipOutputStream(new FileOutputStream(zipFileName));
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zip(out, inputFile, "");
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out.flush();
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out.close();
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}
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private static void zip(ZipOutputStream out, File f, String base) throws Exception {
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if (f.isDirectory()) {
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File[] fl = f.listFiles();
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out.putNextEntry(new ZipEntry(base + "/"));
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base = base.length() == 0 ? "" : base + "/";
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for (int i = 0; i < fl.length; i++) {
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zip(out, fl[i], base + fl[i].getName());
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}
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} else {
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out.putNextEntry(new ZipEntry(base));
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FileInputStream in = new FileInputStream(f);
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int b;
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while ((b = in.read()) != -1) {
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out.write(b);
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}
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in.close();
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}
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}
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/**
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* 解压 zip 文件
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*
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* @param zipFile zip 压缩文件
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* @param destDir zip 压缩文件解压后保存的目录
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* @param encoding zip 文件的编码
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* @return 返回 zip 压缩文件里的文件名的 list
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* @throws IOException
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*/
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public static List<String> unZip(File zipFile, String destDir, String encoding) throws IOException {
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// 如果 destDir 为 null, 空字符串, 或者全是空格, 则解压到压缩文件所在目录
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if (destDir == null || destDir.length() == 0) {
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destDir = zipFile.getParent();
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}
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destDir = destDir.endsWith(File.separator) ? destDir : destDir + File.separator;
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ZipArchiveInputStream is = null;
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List<String> fileNames = new ArrayList<String>();
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try {
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is = new ZipArchiveInputStream(new BufferedInputStream(new FileInputStream(zipFile), 1024), encoding);
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ZipArchiveEntry entry = null;
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while ((entry = is.getNextZipEntry()) != null) {
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fileNames.add(entry.getName());
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File file = new File(destDir, entry.getName());
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if (entry.isDirectory()) {
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// 创建文件夹，如果中间有路径会自动创建
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FileUtils.forceMkdir(file);
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} else {
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OutputStream os = null;
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try {
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FileUtils.touch(file);
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os = new FileOutputStream(new File(destDir, entry.getName()));
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IOUtils.copy(is, os);
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} finally {
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IOUtils.closeQuietly(os);
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}
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}
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}
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} catch (IOException e) {
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e.printStackTrace();
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throw e;
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} finally {
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IOUtils.closeQuietly(is);
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}
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return fileNames;
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}
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/**
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* 解压 zip 文件
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*
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* @param zipFile zip 压缩文件的路径
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* @param destDir zip 压缩文件解压后保存的目录
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* @param encoding zip 文件的编码
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* @return 返回 zip 压缩文件里的文件名的 list
|
||||
* @throws Exception
|
||||
*/
|
||||
public static List<String> unZip(String zipFile, String destDir, String encoding) throws IOException {
|
||||
File zipfile = new File(zipFile);
|
||||
return unZip(zipfile, destDir, encoding);
|
||||
}
|
||||
|
||||
public static List<String> unZip(String zipFile, String destDir) throws IOException {
|
||||
return unZip(zipFile, destDir, "UTF-8");
|
||||
}
|
||||
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user