#include <iostream>
#include <fstream>
#include <sstream>
#include <
string>
#include <vector>
#include <regex>
#include <algorithm>
#include <iomanip>
struct LogEntry {
std::string time;
int V = -1;
int C = -1;
int L_Pump = -1;
int R_Pump = -1;
int line_number = -1; // 记录原始行号用于错误跟踪
bool isComplete
() const {
return !time.empty
() && V != -1 && C != -1 && L_Pump != -1 && R_Pump != -1;
}
};
// 增强的字段修复函数
std::string fixMalformedLine
(const
std::string& line
) {
std::string fixed = line;
// 修复字段粘连问题（如 L_Pump188 → L_Pump
:188）
std::regex malformed
(R"
((\b[Ll][_ ]?[Pp]ump|\b[Rr][_ ]?[Pp]ump|\b[Vv]\b|\b[Cc]\b
)(\d+
))"
);
fixed =
std::regex_
replace(fixed, malformed, "$ 1
:$ 2"
);
// 修复等号/冒号缺失问题（如 "V 123" → "V
:123"）
std::regex missingSeparator
(R"
((\b[Ll][_ ]?[Pp]ump|\b[Rr][_ ]?[Pp]ump|\b[Vv]\b|\b[Cc]\b
)\s+
(\d+
))"
);
fixed =
std::regex_
replace(fixed, missingSeparator, "$ 1
:$ 2"
);
// 统一分隔符为冒号
std::regex equalSign
(R"
((\b[Ll][_ ]?[Pp]ump|\b[Rr][_ ]?[Pp]ump|\b[Vv]\b|\b[Cc]\b
)\s*=\s*
(\d+
))"
);
fixed =
std::regex_
replace(fixed, equalSign, "$ 1
:$ 2"
);
return fixed;
}
// 增强的时间戳识别
bool extractTimestamp
(std::string& line,
std::string& timestamp
) {
std::regex timeRegex
(
R"
((\d{4}
)[-/]
(\d{1,2}
)[-/]
(\d{1,2}
)[T\s]
(\d{1,2}
):(\d{1,2}
)(?
::(\d{1,2}
))?
)"
);
std::smatch match;
if
(std::regex_search
(line, match, timeRegex
)) {
// 标准化时间格式为 YYYY-MM-DD HH
:MM
:SS
std::o
stringstream oss;
oss << match[1] << "-"
<<
std::setw
(2
) <<
std::setfill
('0'
) << match[2] << "-"
<<
std::setw
(2
) <<
std::setfill
('0'
) << match[3] << " "
<<
std::setw
(2
) <<
std::setfill
('0'
) << match[4] << "
:"
<<
std::setw
(2
) <<
std::setfill
('0'
) << match[5];
if
(match[6].matched
) {
oss << "
:" <<
std::setw
(2
) <<
std::setfill
('0'
) << match[6];
}
else {
oss << "
:00"; // 添加默认秒数
}
timestamp = oss.str
();
return true;
}
return false;
}
// 改进的日志解析函数
std::vector<LogEntry> parseLogFile
(const
std::string& filename
) {
std::ifstream file
(filename
);
if
(!file.is_open
()) {
throw
std::runtime_error
("无法打开日志文件
: " + filename
);
}
std::string line;
std::vector<LogEntry> entries;
LogEntry currentEntry;
int line_number = 0;
bool hasPartialEntry = false;
while
(std::getline
(file, line
)) {
line_number++;
std::string original_line = line; // 保存原始行用于错误报告
// 跳过空行和注释行
if
(line.empty
() || line.find
("//"
) == 0 || line.find
('#'
) == 0
) continue;
// 修复格式问题
std::string fixedLine = fixMalformedLine
(line
);
// 检查时间戳
std::string timestamp;
if
(extractTimestamp
(fixedLine, timestamp
)) {
if
(hasPartialEntry
) {
if
(!currentEntry.isComplete
()) {
std::cerr << "⚠️ 警告
: 第 " << currentEntry.line_number
<< " 行开始的日志条目不完整\n";
}
entries.push_back
(currentEntry
);
}
currentEntry = LogEntry
();
currentEntry.time = timestamp;
currentEntry.line_number = line_number;
hasPartialEntry = true;
}
// 提取字段值（忽略大小写）
std::smatch match;
std::regex vRegex
(R"
(\b[Vv]\s*[
:=]\s*
(\d+
))"
);
if
(std::regex_search
(fixedLine, match, vRegex
)) {
try { currentEntry.V =
std::stoi
(match[1]
); }
catch
(...
) {
std::cerr << "⛔ 数值转换错误
(V
): 第 " << line_number
<< " 行
: " << original_line << "\n";
}
}
std::regex cRegex
(R"
(\b[Cc]\s*[
:=]\s*
(\d+
))"
);
if
(std::regex_search
(fixedLine, match, cRegex
)) {
try { currentEntry.C =
std::stoi
(match[1]
); }
catch
(...
) {
std::cerr << "⛔ 数值转换错误 \
(C\
): 第 " << line_number
<< " 行
: " << original_line << "\n";
}
}
std::regex lPumpRegex
(R"
(\b[Ll][_ ]?[Pp]ump\s*[
:=]\s*
(\d+
))"
);
if
(std::regex_search
(fixedLine, match, lPumpRegex
)) {
try { currentEntry.L_Pump =
std::stoi
(match[1]
); }
catch
(...
) {
std::cerr << "⛔ 数值转换错误
(L_Pump
): 第 " << line_number
<< " 行
: " << original_line << "\n";
}
}
std::regex rPumpRegex
(R"
(\b[Rr][_ ]?[Pp]ump\s*[
:=]\s*
(\d+
))"
);
if
(std::regex_search
(fixedLine, match, rPumpRegex
)) {
try { currentEntry.R_Pump =
std::stoi
(match[1]
); }
catch
(...
) {
std::cerr << "⛔ 数值转换错误
(R_Pump
): 第 " << line_number
<< " 行
: " << original_line << "\n";
}
}
}
// 处理最后一个条目
if
(hasPartialEntry
) {
if
(!currentEntry.isComplete
()) {
std::cerr << "⚠️ 警告
: 第 " << currentEntry.line_number
<< " 行开始的日志条目不完整\n";
}
entries.push_back
(currentEntry
);
}
return entries;
}
// 增强的CSV保存功能
void saveToCSV
(const
std::vector<LogEntry>& entries, const
std::string& csvFilename
) {
std::ofstream outFile
(csvFilename
);
if
(!outFile.is_open
()) {
throw
std::runtime_error
("无法创建CSV文件
: " + csvFilename
);
}
// 写入UTF-8 BOM头（可选，增强Excel兼容性）
outFile << "\xEF\xBB\xBF";
// 写入列头
outFile << "时间戳,V值,C值,左泵值,右泵值,原始行号\n";
for
(const auto& entry
: entries
) {
outFile << "\"" << entry.time << "\","
<< entry.V << ","
<< entry.C << ","
<< entry.L_Pump << ","
<< entry.R_Pump << ","
<< entry.line_number << "\n";
}
}
int main
(int argc, char* argv[]
) {
std::string logFilename = "C
:\\Users\\A\\Desktop\\input.txt";
std::string csvFilename = "C
:\\Users\\A\\Desktop\\output.csv";
// 简单的命令行参数处理
if
(argc > 1
) logFilename = argv[1];
if
(argc > 2
) csvFilename = argv[2];
try {
std::cout << "🔧 开始解析日志文件
: " << logFilename <<
std::endl;
auto entries = parseLogFile
(logFilename
);
std::cout << "✅ 成功解析 " << entries.size
() << " 个日志条目\n";
std::cout << "💾 写入CSV文件
: " << csvFilename <<
std::endl;
saveToCSV
(entries, csvFilename
);
std::cout << "🎉 转换完成！结果已保存至 " << csvFilename <<
std::endl;
// 统计信息
size_t complete =
std::count_if
(entries.begin
(), entries.end
(),
[]
(const LogEntry& e
) { return e.isComplete
(); }
);
std::cout << "📊 统计
: " << complete << " 个完整条目, "
<<
(entries.size
() - complete
) << " 个不完整条目\n";
}
catch
(const
std::exception& e
) {
std::cerr << "❌ 错误
: " << e.what
() <<
std::endl;
return 1;
}
return 0;
}
这个代码丢失大量数据如何完善
本文详细解析了C++标准库中std::replace函数的使用方法与内部实现原理，包括如何替换字符串中的字符和容器中的元素，并通过实例展示了其在实际编程中的应用。
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