增加mes的工具类DateTimeUtil

modules/i3plus-pojo-mes/src/main/java/cn/estsh/i3plus/pojo/mes/util/DateTimeUtil.java

@@ -0,0 +1,71 @@
+package cn.estsh.i3plus.pojo.mes.util;
+
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
+public class DateTimeUtil {
+    public static final String DATETIME_FORMATOR = "yyyy-MM-dd HH:mm:ss";
+    public static final String DATE_FORMATOR = "yyyy-MM-dd";
+    public static final String TIME_FORMATOR = "HH:mm:ss";
+    public static final String SHORT_EN_FORMAT = "yyyyMMdd";
+
+    public static String formatDate(Date date) {
+        SimpleDateFormat format = new SimpleDateFormat(DATETIME_FORMATOR);
+        return format.format(date);
+    }
+
+    public static Date parse(String dateStr) {
+        if (dateStr.length() == 16) {
+            return parse(dateStr, DATETIME_FORMATOR);
+        }
+        if (dateStr.length() == 10) {
+            return parse(dateStr, DATE_FORMATOR);
+        }
+        return parse(dateStr, DATETIME_FORMATOR);
+    }
+
+    public static Date parse(String dateStr, String formatStr) {
+        return parse(dateStr, formatStr, null);
+    }
+
+    public static Date parse(String dateStr, String formatStr, Date defaultDate) {
+        SimpleDateFormat format = new SimpleDateFormat(formatStr);
+        try {
+            return format.parse(dateStr);
+        } catch (ParseException e) {
+            return defaultDate;
+        }
+    }
+
+    public static boolean isValidDate(String dateStr) {
+        //判断结果 默认为true
+        boolean judgeresult = true;
+        //1、首先使用SimpleDateFormat初步进行判断，过滤掉注入 yyyy-01-32 或yyyy-00-0x等格式
+        //此处可根据实际需求进行调整，如需判断yyyy/MM/dd格式将参数改掉即可
+        SimpleDateFormat format = new SimpleDateFormat(DATETIME_FORMATOR);
+        try {
+            //增加强判断条件，否则 诸如2022-02-29也可判断出去
+            format.setLenient(false);
+            Date date = parse(formatDate(DATETIME_FORMATOR, parse(dateStr)));
+            ;
+            System.out.println(date);
+        } catch (Exception e) {
+            judgeresult = false;
+        }
+        //由于上述方法只能验证正常的日期格式，像诸如 0001-01-01、11-01-01，10001-01-01等无法校验，此处再添加校验年费是否合法
+        String yearStr = dateStr.split("-")[0];
+        if (yearStr.startsWith("0") || yearStr.length() != 4) {
+            judgeresult = false;
+        }
+        return judgeresult;
+    }
+
+    public static String formatDate(String formatter, Date date) {
+        if (date == null) {
+            return null;
+        }
+        SimpleDateFormat format = new SimpleDateFormat(formatter);
+        return format.format(date);
+    }
+}