鍦–++涓紝鍙互浣跨敤浠ヤ笅鏂规硶鏉ヨ鍐檌ni閰嶇疆鏂囦欢锛?/p>

1. 棣栧厛锛屼綘闇€瑕佸寘鍚ご鏂囦欢<fstream>鍜?code><string>銆?/li>

#include <fstream>
#include <string>

2. 璇诲彇ini閰嶇疆鏂囦欢锛?/li>

std::string GetValueFromIni(const std::string& filePath, const std::string& section, const std::string& key) {
    std::ifstream file(filePath);
    std::string line;
    std::string value;
    bool sectionFound = false;

    while (std::getline(file, line)) {
        // 濡傛灉鎵惧埌浜嗗搴旂殑section锛屽垯灏唖ectionFound鏍囪涓簍rue
        if (line.find("[" + section + "]") != std::string::npos) {
            sectionFound = true;
            continue;
        }

        // 濡傛灉褰撳墠琛屽寘鍚玨ey锛屽垯鑾峰彇瀵瑰簲鐨剉alue
        if (sectionFound && line.find(key) != std::string::npos) {
            // 浠庣瓑鍙蜂箣鍚庤幏鍙杤alue
            value = line.substr(line.find('=') + 1);
            // 鍘绘帀value涓殑绌烘牸
            value.erase(value.find_last_not_of(" \n\r\t") + 1);
            break;
        }
    }
    file.close();
    return value;
}

3. 鍐欏叆ini閰嶇疆鏂囦欢锛?/li>

void SetValueToIni(const std::string& filePath, const std::string& section, const std::string& key, const std::string& value) {
    std::ifstream file(filePath);
    std::string line;
    std::string content;
    bool sectionFound = false;
    bool keyFound = false;

    while (std::getline(file, line)) {
        // 濡傛灉鎵惧埌浜嗗搴旂殑section锛屽垯灏唖ectionFound鏍囪涓簍rue
        if (line.find("[" + section + "]") != std::string::npos) {
            sectionFound = true;
        }

        // 濡傛灉鍦ㄥ搴旂殑section涓壘鍒颁簡key锛屽垯鏇挎崲褰撳墠琛屼负鏂扮殑value
        if (sectionFound && line.find(key) != std::string::npos) {
            line = key + "=" + value;
            keyFound = true;
        }

        content += line + "\n";
    }
    file.close();

    // 濡傛灉section鎴杒ey涓嶅瓨鍦紝鍒欏湪鏂囦欢鏈熬娣诲姞鏂扮殑section鍜宬ey-value瀵?/span>
    if (!sectionFound) {
        content += "[" + section + "]\n";
        content += key + "=" + value + "\n";
    } else if (!keyFound) {
        content += key + "=" + value + "\n";
    }

    std::ofstream outFile(filePath);
    outFile << content;
    outFile.close();
}

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