From 07b19970e4223ed7c75ec6473a511458d76cdb01 Mon Sep 17 00:00:00 2001
From: yanghui <2536613402@qq.com>
Date: 星期一, 28 十一月 2022 14:22:57 +0800
Subject: [PATCH] Merge branch 'local_20221104' into huacheng_test
---
springcloud_k8s_panzhihuazhihuishequ/common/src/main/java/com/panzhihua/common/utlis/StrFormatter.java | 76 ++++++++++++++++++++++++++++++++++++++
1 files changed, 76 insertions(+), 0 deletions(-)
diff --git a/springcloud_k8s_panzhihuazhihuishequ/common/src/main/java/com/panzhihua/common/utlis/StrFormatter.java b/springcloud_k8s_panzhihuazhihuishequ/common/src/main/java/com/panzhihua/common/utlis/StrFormatter.java
new file mode 100644
index 0000000..ebda6fc
--- /dev/null
+++ b/springcloud_k8s_panzhihuazhihuishequ/common/src/main/java/com/panzhihua/common/utlis/StrFormatter.java
@@ -0,0 +1,76 @@
+package com.panzhihua.common.utlis;
+
+/**
+ * 字符串格式化
+ *
+ * @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 = '}';
+
+ /**
+ * 格式化字符串<br>
+ * 此方法只是简单将占位符 {} 按照顺序替换为参数<br>
+ * 如果想输出 {} 使用 \\转义 { 即可，如果想输出 {} 之前的 \ 使用双转义符 \\\\ 即可<br>
+ * 例：<br>
+ * 通常使用：format("this is {} for {}", "a", "b") -> this is a for b<br>
+ * 转义{}： format("this is \\{} for {}", "a", "b") -> this is \{} for a<br>
+ * 转义\： format("this is \\\\{} for {}", "a", "b") -> this is \a for b<br>
+ *
+ * @param strPattern
+ * 字符串模板
+ * @param argArray
+ * 参数列表
+ * @return 结果
+ */
+ public static String format(final String strPattern, final Object... argArray) {
+ if (StringUtils.isEmpty(strPattern) || StringUtils.isEmpty(argArray)) {
+ return strPattern;
+ }
+ final int strPatternLength = strPattern.length();
+
+ // 初始化定义好的长度以获得更好的性能
+ StringBuilder sbuf = new StringBuilder(strPatternLength + 50);
+
+ int handledPosition = 0;
+ int delimIndex;// 占位符所在位置
+ for (int argIndex = 0; argIndex < argArray.length; argIndex++) {
+ delimIndex = strPattern.indexOf(EMPTY_JSON, handledPosition);
+ if (delimIndex == -1) {
+ if (handledPosition == 0) {
+ return strPattern;
+ } else { // 字符串模板剩余部分不再包含占位符，加入剩余部分后返回结果
+ 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) {
+ // 转义符之前还有一个转义符，占位符依旧有效
+ sbuf.append(strPattern, handledPosition, delimIndex - 1);
+ sbuf.append(Convert.utf8Str(argArray[argIndex]));
+ handledPosition = delimIndex + 2;
+ } else {
+ // 占位符被转义
+ argIndex--;
+ sbuf.append(strPattern, handledPosition, delimIndex - 1);
+ sbuf.append(C_DELIM_START);
+ handledPosition = delimIndex + 1;
+ }
+ } else {
+ // 正常占位符
+ sbuf.append(strPattern, handledPosition, delimIndex);
+ sbuf.append(Convert.utf8Str(argArray[argIndex]));
+ handledPosition = delimIndex + 2;
+ }
+ }
+ }
+ // 加入最后一个占位符后所有的字符
+ sbuf.append(strPattern, handledPosition, strPattern.length());
+
+ return sbuf.toString();
+ }
+}
--
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