#pragma once
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#pragma once
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#include <string>
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#include <locale>
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#include <codecvt>
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#include <iostream>
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#include <sstream>
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#include <iomanip>
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#include <vector>
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using namespace std;
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class StringUtil {
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public:
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static string wstringToString(wstring wt) {
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wstring_convert<codecvt_utf8<wchar_t>> conv;
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string result = conv.to_bytes(wt);
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return result;
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}
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static std::wstring Unescape(const std::string& input) {
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std::wstring wresult;
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for (size_t i = 0; i < input.length(); ) {
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if (input[i] == '\\' && input[i + 1] == 'u') {
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std::string code = input.substr(i + 2, 4);
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wchar_t unicode = stoi(code, nullptr, 16);
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wresult += unicode;
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i += 6;
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}
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else {
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wresult += input[i++];
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}
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}
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return wresult;
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}
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static string to_string(double val,int precision = 2) {
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std::stringstream stream;
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stream << std::fixed << std::setprecision(precision) << val;
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return stream.str();
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}
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static bool isNumber(const std::string& str) {
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if (str.empty()) {
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return false;
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}
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for (char c : str) {
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if (!isdigit(c)) {
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return false;
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}
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}
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return true;
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}
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// doubleתΪ×Ö·û´®
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static string toString(double value, int precision) {
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std::ostringstream oss;
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oss << std::fixed << std::setprecision(precision) << value;
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return oss.str();
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}
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static std::vector<std::string> split(std::string str, std::string pattern) {
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std::string::size_type pos;
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std::vector<std::string> result;
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str += pattern;//À©Õ¹×Ö·û´®ÒÔ·½±ã²Ù×÷
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int size = str.size();
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for (int i = 0; i < size; i++)
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{
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pos = str.find(pattern, i);
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if (pos < size)
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{
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std::string s = str.substr(i, pos - i);
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result.push_back(s);
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i = pos + pattern.size() - 1;
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}
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}
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return result;
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}
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};
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