From d692b45b22f985aff4635a5bb8b8958ae9bcd6dd Mon Sep 17 00:00:00 2001
From: 13693261870 <252740454@qq.com>
Date: 星期五, 21 十月 2022 17:50:09 +0800
Subject: [PATCH] 1
---
src/main/java/com/lf/server/helper/StringHelper.java | 65 ++++++++------------------------
1 files changed, 17 insertions(+), 48 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..2951518 100644
--- a/src/main/java/com/lf/server/helper/StringHelper.java
+++ b/src/main/java/com/lf/server/helper/StringHelper.java
@@ -2,7 +2,6 @@
import com.lf.server.entity.all.StaticData;
-import java.text.DecimalFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.regex.Matcher;
@@ -28,13 +27,18 @@
*/
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 +51,6 @@
/**
* 瀛楃涓茶浆涓烘棩鏈�
- *
- * @param str
- * @return
*/
public static Date parseDate(String str) {
try {
@@ -61,9 +62,6 @@
/**
* 瀛楃涓茶浆涓烘棩鏈熸椂闂�
- *
- * @param str
- * @return
*/
public static Date parseTime(String str) {
try {
@@ -75,9 +73,6 @@
/**
* 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 +81,7 @@
}
/**
- * 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 +89,20 @@
/**
* 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);
@@ -123,29 +116,5 @@
*/
public static boolean checkPwdValid(String pwd) {
return Pattern.matches(StaticData.PWD_REG, pwd);
- }
-
- /**
- * 瀛楄妭鍗曚綅鎹㈢畻
- *
- * @param byteNumber
- * @return
- */
- 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);
}
}
--
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