From 0506486bb7cda87354ffb9496803e5361582c3c7 Mon Sep 17 00:00:00 2001
From: 13693261870 <252740454@qq.com>
Date: 星期三, 19 十月 2022 10:11:26 +0800
Subject: [PATCH] 1
---
src/main/java/com/lf/server/helper/StringHelper.java | 63 ++++++++++---------------------
1 files changed, 20 insertions(+), 43 deletions(-)
diff --git a/src/main/java/com/lf/server/helper/StringHelper.java b/src/main/java/com/lf/server/helper/StringHelper.java
index e66dedb..6a74f6d 100644
--- a/src/main/java/com/lf/server/helper/StringHelper.java
+++ b/src/main/java/com/lf/server/helper/StringHelper.java
@@ -28,13 +28,18 @@
*/
public static final SimpleDateFormat YMDHMS_FORMAT = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
- public static final double D1024 = 1024.0;
+ /**
+ * 鏍煎紡鍖栧綋鍓嶇郴缁熸棩鏈� 3
+ */
+ public static final SimpleDateFormat YMD__FORMAT = new SimpleDateFormat("yyyyMMdd_");
+
+ /**
+ * 鏍煎紡鍖栧綋鍓嶇郴缁熸棩鏈� 4
+ */
+ public static final SimpleDateFormat YMD_HM_FORMAT = new SimpleDateFormat("yyyyMMdd_HHmm");
/**
* 鍒ゆ柇瀛楃涓�,鏄惁涓烘暟瀛�
- *
- * @param str
- * @return
*/
public static boolean isNumber(String str) {
return NUMBER_PATTERN.matcher(str).matches();
@@ -47,9 +52,6 @@
/**
* 瀛楃涓茶浆涓烘棩鏈�
- *
- * @param str
- * @return
*/
public static Date parseDate(String str) {
try {
@@ -61,9 +63,6 @@
/**
* 瀛楃涓茶浆涓烘棩鏈熸椂闂�
- *
- * @param str
- * @return
*/
public static Date parseTime(String str) {
try {
@@ -75,9 +74,6 @@
/**
* 鍒ゆ柇鍊兼槸鍚︿负鏃ユ湡鏍煎紡
- *
- * @param strDate
- * @return
*/
public static boolean isDate(String strDate) {
Matcher m = datePattern.matcher(strDate);
@@ -86,10 +82,7 @@
}
/**
- * 瀛楃涓诧紝鏄惁涓簄ull鎴�""
- *
- * @param str
- * @return
+ * 瀛楃涓诧紝鏄惁涓簄ull 鎴� ""
*/
public static boolean isNull(String str) {
return null == str || str.length() == 0;
@@ -97,19 +90,20 @@
/**
* 瀛楃涓�,鏄惁涓虹┖null鍜岀┖鏍�
- *
- * @param str
- * @return
*/
public static boolean isEmpty(String str) {
return str == null || "".equals(str.trim());
}
/**
+ * 鑾峰彇 like 瀛楃涓�
+ */
+ public static String getLikeStr(String name) {
+ return StringHelper.isEmpty(name) ? null : "%" + name.trim() + "%";
+ }
+
+ /**
* 棣栧瓧姣嶅ぇ鍐�
- *
- * @param str
- * @return
*/
public static String capitalize(String str) {
return String.valueOf(str.charAt(0)).toUpperCase() + str.substring(1);
@@ -126,26 +120,9 @@
}
/**
- * 瀛楄妭鍗曚綅鎹㈢畻
- *
- * @param byteNumber
- * @return
+ * 鑾峰彇鏃ユ湡鏍煎紡鍖�4锛歽yyyMMdd_HHmm
*/
- public static String formatByte(long byteNumber) {
- double kbNumber = byteNumber / D1024;
- if (kbNumber < D1024) {
- return new DecimalFormat("#.##KB").format(kbNumber);
- }
- double mbNumber = kbNumber / D1024;
- if (mbNumber < D1024) {
- return new DecimalFormat("#.##MB").format(mbNumber);
- }
- double gbNumber = mbNumber / D1024;
- if (gbNumber < D1024) {
- return new DecimalFormat("#.##GB").format(gbNumber);
- }
- double tbNumber = gbNumber / D1024;
-
- return new DecimalFormat("#.##TB").format(tbNumber);
+ public static String getDateFormat4() {
+ return YMD_HM_FORMAT.format(new Date());
}
}
--
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