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@@ -0,0 +1,159 @@
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+package com.steerinfo.dil.util;
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+
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+import java.math.BigDecimal;
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+import java.text.DecimalFormat;
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+import java.text.ParseException;
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+import java.text.SimpleDateFormat;
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+import java.util.Date;
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+import java.util.List;
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+import java.util.Map;
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+
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+/**
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+ * @ author :TXF
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+ * @ time :2021/8/25 11:25
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+ */
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+
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+public class DataChange {
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+
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+
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+ /**
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+ * 解析前端传来的日期字符串
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+ * @param vueDate
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+ * @return
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+ */
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+ public static Date dataToDate(Object vueDate){
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+ SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
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+ Date parseDate = null;
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+ if (vueDate != null){
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+ try {
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+ String date = (String) vueDate;
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+ parseDate = sdf.parse(date);
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+ } catch (ParseException e) {
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+ e.printStackTrace();
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+ }
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+ }
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+ return parseDate;
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+ }
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+
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+ /**
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+ * 数据转换成BigDecimal
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+ * @param data
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+ * @return
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+ */
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+ public static BigDecimal dataToBigDecimal(Object data){
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+ if (data != null){
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+ if(data instanceof BigDecimal){
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+ return (BigDecimal) data;
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+ }else{
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+ String str = String.valueOf(data);
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+ BigDecimal decimal = null;
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+ if(!"".equals(str)){
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+ try {
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+ decimal = new BigDecimal(str);
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+ } catch (Exception e) {
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+ e.printStackTrace();
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+ return new BigDecimal(0);
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+ }
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+ }
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+ return decimal;
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+ }
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+ }
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+ return new BigDecimal(0);
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+ }
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+
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+ /**
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+ * 将时间截取到天 为字符串类型 用于前端只显示到天
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+ * @param date 传入时间
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+ * @return
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+ */
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+ public static String dateToDayDate(Object date){
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+ SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
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+ Date changeDate = null;
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+ if(date == null)
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+ return null;
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+ try{
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+ changeDate = (Date) date;
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+ }catch (Exception e){
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+ e.printStackTrace();
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+ }
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+ return sdf.format(changeDate);
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+ }
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+
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+ /**
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+ * 遍历从数据库中传进来的数据
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+ * @param list 从数据库查询出来的list数据列表
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+ * @param key map中多个需要转换的date参数
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+ */
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+ public static void changeDateToDayDate(List<Map<String, Object>> list, String ...key){
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+ //遍历List
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+ for (Map<String, Object> map : list) {
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+ for (String s : key) {
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+ //从map中取 date的值 并转换成字符串类型的日期
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+ String stringDate = dateToDayDate(map.get(s));
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+ map.put(s, stringDate);
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+ }
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+ }
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+ }
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+
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+ /**
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+ * 遍历列表使只显示两位小数
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+ * @param list
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+ * @param key
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+ */
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+ public static void dataTo2Number(List<Map<String, Object>> list, String ...key){
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+ //遍历List
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+ for (Map<String, Object> map : list) {
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+ for (String s : key) {
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+ //修改数据为带两位小数
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+ BigDecimal oldDate = (BigDecimal) map.get(s);
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+ DecimalFormat df = new DecimalFormat("0.00");
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+ String resultDeduction = df.format(oldDate.doubleValue());
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+ map.put(s, resultDeduction);
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+ }
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+ }
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+ }
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+
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+ /**
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+ * 计算相差时间 日时分秒
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+ * @param
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+ * @return
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+ */
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+ public static String calculatedTimeDifference(Date time1, Date time2){
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+ long t1 = time1.getTime();
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+ long t2 = time2.getTime();
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+ if(t1 > t2){
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+ long temp = t1;
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+ t1 = t2;
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+ t2 = temp;
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+ }
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+ long between = t2 - t1;
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+ long day = between / (24 * 60 * 60 * 1000);
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+ long hour = (between / (60 * 60 * 1000) - day * 24);
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+ long min = ((between / (60 * 1000)) - day * 24 * 60 - hour * 60);
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+ long s = (between / 1000 - day * 24 * 60 * 60 - hour * 60 * 60 - min * 60);
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+ return day + "天"+ + hour+ "时" + min + "分" + s + "秒";
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+ }
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+
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+ /**
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+ * 生成带时间的八位数顺序号
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+ * @param start 前缀
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+ * @param id 顺序号 主键Id
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+ * @return
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+ */
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+ public static String generateEightDigitsNumber(String start, Integer id){
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+ SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");
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+ StringBuilder sb = new StringBuilder(start + sdf.format(new Date()));
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+ sb.append(
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+ id < 10
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+ ? "0000000" + id : id < 100
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+ ? "000000" + id : id < 1000
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+ ? "00000" + id : id < 10000
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+ ? "0000" + id : id < 100000
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+ ? "000" + id : id < 1000000
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+ ? "00" + id : id < 10000000
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+ ? "0" + id : id.toString()
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+ );
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+ return sb.toString();
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+ }
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+
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+}
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