From 5c9991be21f57781573f04961ec511ac2938ea3d Mon Sep 17 00:00:00 2001
From: admin <weikou2014>
Date: 星期二, 08 四月 2025 15:27:08 +0800
Subject: [PATCH] '功能完善'
---
common/StringUtil.h | 22 ++++++++++++++++++++++
1 files changed, 22 insertions(+), 0 deletions(-)
diff --git a/common/StringUtil.h b/common/StringUtil.h
index bad5142..4778e5c 100644
--- a/common/StringUtil.h
+++ b/common/StringUtil.h
@@ -59,6 +59,12 @@
return stream.str();
}
+ static string to_string(float val) {
+ std::stringstream stream;
+ stream << std::fixed << std::setprecision(2) << val;
+ return stream.str();
+ }
+
static bool isNumber(const std::string& str) {
if (str.empty()) {
return false;
@@ -130,4 +136,20 @@
return decoded;
}
+ static std::string trim(const std::string& str) {
+ if (str.empty()) {
+ return str;
+ }
+
+ // 去除前空格
+ size_t start = str.find_first_not_of(" \t\n\r");
+ if (start == std::string::npos) {
+ return ""; // 如果全是空格，返回空字符串
+ }
+
+ // 去除后空格
+ size_t end = str.find_last_not_of(" \t\n\r");
+ return str.substr(start, end - start + 1);
+ }
+
};
\ No newline at end of file
--
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