航班计划解析入库 航班航程解析入库

@@ -3,12 +3,14 @@ package com.tianbo.util.Date;
 import javafx.util.converter.LocalDateTimeStringConverter;
 
 import java.text.ParseException;
+import java.text.ParsePosition;
 import java.text.SimpleDateFormat;
 import java.time.*;
 import java.time.format.DateTimeFormatter;
 import java.time.format.DateTimeParseException;
 import java.util.Calendar;
 import java.util.Date;
+import java.util.TimeZone;
 
 
 /**
@@ -102,13 +104,16 @@ public final class DateUtil {
      * @throws DateTimeParseException
      */
     public static Date formatByyyyyMMddHHmmss(String dateStr) throws DateTimeParseException{
-        //毫秒级的去掉
-        if(dateStr.length()>14){
-            dateStr= dateStr.substring(0,14);
+        if (dateStr.length()>0){
+            //毫秒级的去掉
+            if(dateStr.length()>14){
+                dateStr= dateStr.substring(0,14);
+            }
+            DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyyMMddHHmmss");
+            LocalDateTime dateTime = LocalDateTime.parse(dateStr, formatter);
+            return convertLDTToDate(dateTime);
         }
-        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyyMMddHHmmss");
-        LocalDateTime dateTime = LocalDateTime.parse(dateStr, formatter);
-        return convertLDTToDate(dateTime);
+        return null;
     }
 
     //LocalDateTime转换为Date
@@ -540,4 +545,35 @@ public final class DateUtil {
 
         return time;
     }
+
+    /**
+     *
+     * @doc 日期转换星期几
+     * @param datetime
+     *            日期 例:2017-10-17
+     * @return String 例:星期二
+     * @author lzy
+     * @history 2017年10月17日 上午9:55:30 Create by 【lzy】
+     */
+    public static String dateToWeek(String datetime) throws java.text.ParseException {
+        SimpleDateFormat f = new SimpleDateFormat("yyyyMMdd");
+        f.setTimeZone(TimeZone.getTimeZone("GMT+8:00"));
+        f.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
+        String[] weekDays = { "7","1" , "2", "3", "4", "5", "6"};
+        Calendar cal = Calendar.getInstance(); // 获得一个日历
+        Date datet = null;
+        datet = (Date) f.parse(datetime);
+        cal.setTime(datet);
+        int w = cal.get(Calendar.DAY_OF_WEEK)-1; // 指示一个星期中的某天。
+        if (w < 0)
+            w = 0;
+        return weekDays[w];
+    }
+
+    public static void main(String[] args) throws ParseException {
+        String s = dateToWeek("20200815");
+        System.out.println(s);
+    }
+
+
 }