From 0208c795499b808c762edbb3d61432410692dd6e Mon Sep 17 00:00:00 2001
From: chenhj <chenhj@lunor.cn>
Date: 星期六, 24 五月 2025 14:50:15 +0800
Subject: [PATCH] Merge pull request 'chen' (#7) from chen into master
---
ruoyi-common/src/main/java/com/ruoyi/common/core/text/StrFormatter.java | 92 ++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 92 insertions(+), 0 deletions(-)
diff --git a/ruoyi-common/src/main/java/com/ruoyi/common/core/text/StrFormatter.java b/ruoyi-common/src/main/java/com/ruoyi/common/core/text/StrFormatter.java
new file mode 100644
index 0000000..c78ac77
--- /dev/null
+++ b/ruoyi-common/src/main/java/com/ruoyi/common/core/text/StrFormatter.java
@@ -0,0 +1,92 @@
+package com.ruoyi.common.core.text;
+
+import com.ruoyi.common.utils.StringUtils;
+
+/**
+ * 瀛楃涓叉牸寮忓寲
+ *
+ * @author ruoyi
+ */
+public class StrFormatter
+{
+ public static final String EMPTY_JSON = "{}";
+ public static final char C_BACKSLASH = '\\';
+ public static final char C_DELIM_START = '{';
+ public static final char C_DELIM_END = '}';
+
+ /**
+ * 鏍煎紡鍖栧瓧绗︿覆<br>
+ * 姝ゆ柟娉曞彧鏄畝鍗曞皢鍗犱綅绗� {} 鎸夌収椤哄簭鏇挎崲涓哄弬鏁�<br>
+ * 濡傛灉鎯宠緭鍑� {} 浣跨敤 \\杞箟 { 鍗冲彲锛屽鏋滄兂杈撳嚭 {} 涔嬪墠鐨� \ 浣跨敤鍙岃浆涔夌 \\\\ 鍗冲彲<br>
+ * 渚嬶細<br>
+ * 閫氬父浣跨敤锛歠ormat("this is {} for {}", "a", "b") -> this is a for b<br>
+ * 杞箟{}锛� format("this is \\{} for {}", "a", "b") -> this is \{} for a<br>
+ * 杞箟\锛� format("this is \\\\{} for {}", "a", "b") -> this is \a for b<br>
+ *
+ * @param strPattern 瀛楃涓叉ā鏉�
+ * @param argArray 鍙傛暟鍒楄〃
+ * @return 缁撴灉
+ */
+ public static String format(final String strPattern, final Object... argArray)
+ {
+ if (StringUtils.isEmpty(strPattern) || StringUtils.isEmpty(argArray))
+ {
+ return strPattern;
+ }
+ final int strPatternLength = strPattern.length();
+
+ // 鍒濆鍖栧畾涔夊ソ鐨勯暱搴︿互鑾峰緱鏇村ソ鐨勬�ц兘
+ StringBuilder sbuf = new StringBuilder(strPatternLength + 50);
+
+ int handledPosition = 0;
+ int delimIndex;// 鍗犱綅绗︽墍鍦ㄤ綅缃�
+ for (int argIndex = 0; argIndex < argArray.length; argIndex++)
+ {
+ delimIndex = strPattern.indexOf(EMPTY_JSON, handledPosition);
+ if (delimIndex == -1)
+ {
+ if (handledPosition == 0)
+ {
+ return strPattern;
+ }
+ else
+ { // 瀛楃涓叉ā鏉垮墿浣欓儴鍒嗕笉鍐嶅寘鍚崰浣嶇锛屽姞鍏ュ墿浣欓儴鍒嗗悗杩斿洖缁撴灉
+ sbuf.append(strPattern, handledPosition, strPatternLength);
+ return sbuf.toString();
+ }
+ }
+ else
+ {
+ if (delimIndex > 0 && strPattern.charAt(delimIndex - 1) == C_BACKSLASH)
+ {
+ if (delimIndex > 1 && strPattern.charAt(delimIndex - 2) == C_BACKSLASH)
+ {
+ // 杞箟绗︿箣鍓嶈繕鏈変竴涓浆涔夌锛屽崰浣嶇渚濇棫鏈夋晥
+ sbuf.append(strPattern, handledPosition, delimIndex - 1);
+ sbuf.append(Convert.utf8Str(argArray[argIndex]));
+ handledPosition = delimIndex + 2;
+ }
+ else
+ {
+ // 鍗犱綅绗﹁杞箟
+ argIndex--;
+ sbuf.append(strPattern, handledPosition, delimIndex - 1);
+ sbuf.append(C_DELIM_START);
+ handledPosition = delimIndex + 1;
+ }
+ }
+ else
+ {
+ // 姝ｅ父鍗犱綅绗�
+ sbuf.append(strPattern, handledPosition, delimIndex);
+ sbuf.append(Convert.utf8Str(argArray[argIndex]));
+ handledPosition = delimIndex + 2;
+ }
+ }
+ }
+ // 鍔犲叆鏈�鍚庝竴涓崰浣嶇鍚庢墍鏈夌殑瀛楃
+ sbuf.append(strPattern, handledPosition, strPattern.length());
+
+ return sbuf.toString();
+ }
+}
--
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