444 lines
13 KiB
Java
444 lines
13 KiB
Java
package com.njcn.jbsyncdata.util;
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import cn.hutool.core.util.RandomUtil;
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import cn.hutool.core.util.StrUtil;
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import com.fasterxml.jackson.databind.DeserializationFeature;
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import com.fasterxml.jackson.databind.JavaType;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import com.fasterxml.jackson.databind.SerializationFeature;
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import com.fasterxml.jackson.databind.type.TypeFactory;
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import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
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import java.io.IOException;
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import java.lang.reflect.Method;
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import java.lang.reflect.Type;
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import java.math.BigDecimal;
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import java.net.InetAddress;
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import java.net.UnknownHostException;
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import java.text.DateFormat;
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import java.text.SimpleDateFormat;
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import java.time.Instant;
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import java.time.LocalDate;
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import java.time.LocalDateTime;
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import java.time.format.DateTimeFormatter;
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import java.util.*;
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import java.util.concurrent.TimeUnit;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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import static java.lang.Integer.parseInt;
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/**
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* @author hongawen
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* @version 1.0.0
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* @date 2021年04月12日 14:21
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*/
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public class PubUtils {
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private final static ObjectMapper MAPPER = new ObjectMapper();
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private static final String DATE_TIME = "yyyy-MM-dd HH:mm:ss";
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private static final String DATE = "yyyy-MM-dd";
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private static final String TIME = "HH:mm:ss";
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/**
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* 生成随机码，包含字母。--> 大写
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*
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* @param length 随机码长度
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*/
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public static String randomCode(int length) {
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return RandomUtil.randomString(length).toUpperCase(Locale.ENGLISH);
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}
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/****
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* ***** ***** 验证IP是否属于某个IP段 ipSection IP段（以'-'分隔） ip 所验证的IP号码 ***** *****
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**/
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public static boolean ipExistsInRange(String ip, String ipSection) {
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ipSection = ipSection.trim();
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ip = ip.trim();
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int idx = ipSection.indexOf('-');
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String beginIp = ipSection.substring(0, idx);
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String endIp = ipSection.substring(idx + 1);
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return getIp2long(beginIp) <= getIp2long(ip) && getIp2long(ip) <= getIp2long(endIp);
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}
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private static long getIp2long(String ip) {
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ip = ip.trim();
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String[] ips = ip.split("\\.");
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long ip2long = 0L;
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for (int i = 0; i < 4; ++i) {
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ip2long = ip2long << 8 | parseInt(ips[i]);
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}
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return ip2long;
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}
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/**
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* 获取当前时间
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*
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* @author cdf
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* @date 2021/7/26
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*/
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public static String getNow() {
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DateFormat bf = new SimpleDateFormat("yyyyMMddHHmmss");
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return bf.format(new Date());
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}
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/**
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* 毫秒转时间 ms:需要转换的毫秒时间
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*/
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public static Date ms2Date(Long ms) {
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Calendar c = Calendar.getInstance();
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c.setTimeInMillis(ms);
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return c.getTime();
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}
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/**
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* 日期转字符串函数 date:需要转换的日期 strFormat:转换的格式(yyyy-MM-dd HH:mm:ss)
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*/
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public static String date2String(Date date, String strFormat){
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SimpleDateFormat format = new SimpleDateFormat(strFormat);
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return format.format(date);
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}
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/**
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* 获取当前web的IP
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*/
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public static String getLocalIp() {
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String host;
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try {
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host = InetAddress.getLocalHost().getHostAddress();
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} catch (UnknownHostException e) {
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e.printStackTrace();
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host = "127.0.0.1";
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}
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return host;
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}
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/**
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* 将JSON转为实体对象
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*
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* @param jsonStr json
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* @param targetType 对象类型
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* @param <T> 对象
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*/
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public static <T> T json2obj(String jsonStr, Type targetType) {
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try {
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JavaType javaType = TypeFactory.defaultInstance().constructType(targetType);
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MAPPER.registerModule(new JavaTimeModule());
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MAPPER.disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS);
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return MAPPER.readValue(jsonStr, javaType);
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} catch (IOException e) {
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throw new IllegalArgumentException("将JSON转换为对象时发生错误:" + jsonStr, e);
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}
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}
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/**
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* 将实体对象转为JSON
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*
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* @param object 实体对象
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*/
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public static String obj2json(Object object) {
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try {
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MAPPER.configure(DeserializationFeature.ACCEPT_SINGLE_VALUE_AS_ARRAY, true);
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return MAPPER.writeValueAsString(object);
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} catch (IOException e) {
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throw new IllegalArgumentException("将将实体对象转为JSON时发生错误:" + object, e);
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}
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}
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/**
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* 判断一个数字是否在区间内
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*
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* @param current 待判断数字
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* @param min 最小值
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* @param max 最大值
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*/
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public static boolean rangeInDefined(int current, int min, int max) {
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return Math.max(min, current) == Math.min(current, max);
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}
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/**
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* 将起始日期字符串 yyyy-MM-dd 转为 yyyy-MM-dd HH:mm:ss的LocalDateTime
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*/
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public static LocalDateTime beginTimeToLocalDateTime(String beginTime) {
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beginTime = beginTime + StrUtil.SPACE + "00:00:00";
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DateTimeFormatter dateTimeFormatter = DateTimeFormatter.ofPattern(DATE_TIME);
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return LocalDateTime.parse(beginTime, dateTimeFormatter);
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}
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/**
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* 将截止日期字符串 yyyy-MM-dd 转为 yyyy-MM-dd HH:mm:ss的LocalDateTime
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*/
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public static LocalDateTime endTimeToLocalDateTime(String endTime) {
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endTime = endTime + StrUtil.SPACE + "23:59:59";
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DateTimeFormatter dateTimeFormatter = DateTimeFormatter.ofPattern(DATE_TIME);
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return LocalDateTime.parse(endTime, dateTimeFormatter);
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}
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/**
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* 将字符串日期转为LocalDate日期（只用于日期转换）
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*/
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public static LocalDate localDateFormat(String time) {
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DateTimeFormatter dateTimeFormatter = DateTimeFormatter.ofPattern(DATE);
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return LocalDate.parse(time, dateTimeFormatter);
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}
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public static LocalDateTime localDateTimeFormat(String time) {
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DateTimeFormatter dateTimeFormatter = DateTimeFormatter.ofPattern(DATE_TIME);
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return LocalDateTime.parse(time, dateTimeFormatter);
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}
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public static List<String> getStartTimeEndTime(String beginDate, String endDate) throws Exception {
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
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Calendar cal = Calendar.getInstance();
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cal.setTime(sdf.parse(beginDate));
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List<String> startTimeEndTime = null;
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for (long d = cal.getTimeInMillis(); d <= sdf.parse(endDate).getTime(); d = getDplaus(cal)) {
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startTimeEndTime.add(sdf.format(d));
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}
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return startTimeEndTime;
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}
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public static long getDplaus(Calendar c) {
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c.set(Calendar.DAY_OF_MONTH, c.get(Calendar.DAY_OF_MONTH) + 1);
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return c.getTimeInMillis();
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}
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public static String comFlag(Integer comFlag) {
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switch (comFlag) {
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case 0:
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return "中断";
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case 1:
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return "正常";
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default:
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return "";
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}
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}
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public static String runFlag(Integer runFlag) {
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switch (runFlag) {
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case 0:
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return "投运";
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case 1:
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return "热备用";
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case 2:
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return "停运";
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default:
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return "";
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}
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}
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public static Integer getRunFlag(String runFlag) {
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switch (runFlag) {
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case "投运":
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return 0;
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case "热备用":
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return 1;
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case "停运":
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return 2;
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default:
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return -1;
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}
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}
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public static Double getDefectSeverity(String defectSeverity) {
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switch (defectSeverity) {
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case "轻缺陷":
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return 0.02;
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case "较重缺陷":
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return 0.12;
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case "严重缺陷":
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return 0.42;
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default:
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return 0.00;
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}
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}
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public static String ptType(Integer ptType) {
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switch (ptType) {
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case 0:
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return "星型接线";
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case 1:
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return "三角型接线";
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case 2:
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return "开口三角型接线";
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default:
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return "";
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}
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}
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public static Integer ptTypeName(String ptType) {
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switch (ptType) {
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case "星型接线":
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return 0;
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case "三角型接线":
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return 1;
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case "开口三角型接线":
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return 2;
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default:
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return -1;
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}
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}
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/**
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* 将当前时间的秒数置为0
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*
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* @param date 时间
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*/
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public static Date getSecondsAsZero(Date date) {
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Calendar calendar = Calendar.getInstance();
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calendar.setTime(date);
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calendar.set(Calendar.SECOND, 0);
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return calendar.getTime();
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}
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/**
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* 根据起始时间和截止时间返回yyyy-MM-dd的日期，
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*
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* @param startTime 起始时间
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* @param endTime 截止时间
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*/
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public static List<String> getTimes(Date startTime, Date endTime) {
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
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List<String> result = new ArrayList<>();
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Calendar start = Calendar.getInstance();
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start.setTime(startTime);
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Calendar end = Calendar.getInstance();
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end.setTime(endTime);
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end.set(end.get(Calendar.YEAR), end.get(Calendar.MONTH), end.get(Calendar.DAY_OF_MONTH), 0, 0, 0);
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long interval = end.getTimeInMillis() - start.getTimeInMillis();
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result.add(sdf.format(start.getTime()));
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if (interval > 0) {
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int days = (int) (interval / 86400000);
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for (int i = 0; i < days; i++) {
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start.add(Calendar.DAY_OF_MONTH, 1);
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result.add(sdf.format(start.getTime()));
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}
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}
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return result;
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}
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/***
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* 将instant转为date 处理8小时误差
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* @author hongawen
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* @date 2023/7/20 15:58
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* @param instant 日期
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* @return Instant
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*/
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public static Date instantToDate(Instant instant){
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return Date.from(instant.minusMillis(TimeUnit.HOURS.toMillis(8)));
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}
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/***
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* 将date转为instant 处理8小时误差
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* @author hongawen
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* @date 2023/7/20 15:58
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* @param date 日期
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* @return Instant
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*/
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public static Instant dateToInstant(Date date){
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return date.toInstant().plusMillis(TimeUnit.HOURS.toMillis(8));
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}
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/**
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* 根据参数返回float的四舍五入值
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*
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* @param i 保留的位数
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* @param value float原值
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*/
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public static Float floatRound(int i, float value) {
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BigDecimal bp = new BigDecimal(value);
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return bp.setScale(i, BigDecimal.ROUND_HALF_UP).floatValue();
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}
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//*****************************************xuyang添加,用于App********************************************************
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/**
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* 正则表达式字符串
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* 要匹配的字符串
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*
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* @return 如果str 符合 regex的正则表达式格式,返回true, 否则返回 false;
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*/
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public static boolean match(String regex, String str) {
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Pattern pattern = Pattern.compile(regex);
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Matcher matcher = pattern.matcher(str);
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return matcher.matches();
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}
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/**
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* 生成随机推荐码
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*/
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public static String getCode(Integer number){
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final String BASIC = "123456789AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZz";
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char[] basicArray = BASIC.toCharArray();
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Random random = new Random();
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char[] result = new char[number];
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for (int i = 0; i < result.length; i++) {
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int index = random.nextInt(100) % (basicArray.length);
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result[i] = basicArray[index];
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}
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return new String(result);
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}
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/**
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* 将字节数组转成Float数组
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* @param bytes
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* @return
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*/
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public static List<Float> byteArrayToFloatList(byte[] bytes){
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List<Float> d = new ArrayList<>(bytes.length/8);
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byte[] doubleBuffer = new byte[4];
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for(int j = 0; j < bytes.length; j += 4) {
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System.arraycopy(bytes, j, doubleBuffer, 0, doubleBuffer.length);
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d.add(bytes2Float(doubleBuffer));
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}
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return d;
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}
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public static float bytes2Float(byte[] arr) {
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int accum = 0;
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accum = accum|(arr[0] & 0xff);
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accum = accum|(arr[1] & 0xff) << 8;
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accum = accum|(arr[2] & 0xff) << 16;
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accum = accum|(arr[3] & 0xff) << 24;
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return Float.intBitsToFloat(accum);
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}
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/**
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* 将字节数组转成Double数组
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* @param arr
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* @return
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*/
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public static List<Double> byteArrayToDoubleList(byte[] arr){
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List<Double> d = new ArrayList<>(arr.length/8);
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byte[] doubleBuffer = new byte[8];
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for(int j = 0; j < arr.length; j += 8) {
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System.arraycopy(arr, j, doubleBuffer, 0, doubleBuffer.length);
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d.add(bytes2Double(doubleBuffer));
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}
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return d;
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}
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/**
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* 将byte转换成double
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* @param arr
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* @return
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*/
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public static double bytes2Double(byte[] arr) {
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long value = 0;
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for (int i = 0; i < 8; i++) {
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value |= ((long) (arr[i] & 0xff)) << (8 * i);
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}
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return Double.longBitsToDouble(value);
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}
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//***************************************************添加结束********************************************************
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}
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