From 34a130282a3ff8fb0b9afdb4e5b986fb5178625f Mon Sep 17 00:00:00 2001
From: 13693261870 <252740454@qq.com>
Date: 星期六, 29 十月 2022 10:22:52 +0800
Subject: [PATCH] 1
---
src/main/java/com/lf/server/helper/StringHelper.java | 41 +++++++++++++++++++++++++++--------------
1 files changed, 27 insertions(+), 14 deletions(-)
diff --git a/src/main/java/com/lf/server/helper/StringHelper.java b/src/main/java/com/lf/server/helper/StringHelper.java
index 6a74f6d..69e73bd 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;
@@ -16,7 +15,7 @@
/**
* 鏁板瓧姝ｅ垯
*/
- public static final Pattern NUMBER_PATTERN = Pattern.compile("^[-\\+]?[\\d]*[.]?[\\d]*$");
+ public static final Pattern NUMBER_PATTERN = Pattern.compile("-?\\d+(\\.\\d+)?");
/**
* 鏍煎紡鍖栧綋鍓嶇郴缁熸棩鏈� 1
@@ -39,10 +38,24 @@
public static final SimpleDateFormat YMD_HM_FORMAT = new SimpleDateFormat("yyyyMMdd_HHmm");
/**
- * 鍒ゆ柇瀛楃涓�,鏄惁涓烘暟瀛�
+ * 鍒ゆ柇瀛楃涓�,鏄惁涓烘暣鏁�
*/
- public static boolean isNumber(String str) {
- return NUMBER_PATTERN.matcher(str).matches();
+ public static boolean isInteger(String str) {
+ return str != null && str.matches("[0-9]+");
+ }
+
+ /**
+ * 鍒ゆ柇瀛楃涓�,鏄惁涓烘诞鐐规暟
+ */
+ public static boolean isNumeric(String str) {
+ return str != null && str.matches("-?\\d+(\\.\\d+)?");
+ }
+
+ /**
+ * 鍒ゆ柇瀛楃涓�,鏄惁涓烘诞鐐规暟
+ */
+ public static boolean isNumeric2(String str) {
+ return str != null && NUMBER_PATTERN.matcher(str).matches();
}
/**
@@ -105,8 +118,15 @@
/**
* 棣栧瓧姣嶅ぇ鍐�
*/
- public static String capitalize(String str) {
- return String.valueOf(str.charAt(0)).toUpperCase() + str.substring(1);
+ public static String firstCharToUpperCase(String str) {
+ return str.substring(0, 1).toUpperCase() + str.substring(1);
+ }
+
+ /**
+ * 棣栧瓧姣嶅皬鍐�
+ */
+ public static String firstCharToLowerCase(String str) {
+ return str.substring(0, 1).toLowerCase() + str.substring(1);
}
/**
@@ -117,12 +137,5 @@
*/
public static boolean checkPwdValid(String pwd) {
return Pattern.matches(StaticData.PWD_REG, pwd);
- }
-
- /**
- * 鑾峰彇鏃ユ湡鏍煎紡鍖�4锛歽yyyMMdd_HHmm
- */
- public static String getDateFormat4() {
- return YMD_HM_FORMAT.format(new Date());
}
}
--
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