first commit

fuint-utils/src/main/java/com/fuint/utils/CommonUtil.java

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+package com.fuint.utils;
+
+import org.apache.commons.lang.StringUtils;
+import java.text.SimpleDateFormat;
+import java.util.*;
+
+/**
+ * 工具类
+ *
+ * Created by FSQ
+ * CopyRight https://www.fuint.cn
+ */
+public class CommonUtil {
+
+    /**
+     * 格式化指定的日期
+     *
+     * @param date
+     * @param formatStr
+     * @return
+     */
+    public static String formatDate(Date date, String formatStr) {
+        if (date == null) date = new Date();
+        if (StringUtils.isEmpty(formatStr)) formatStr = "yyyy-MM-dd";
+        SimpleDateFormat dateFormater = new SimpleDateFormat(formatStr);
+        return dateFormater.format(date);
+    }
+}