MFC中怎么把xml文件转换成CFG文件,求解答。。。等

发布网友发布时间：2022-04-26 21:30

共1个回答

热心网友时间：2023-11-05 02:23

#include <windows.h>
#include <tchar.h>
#include <objbase.h>
#include <msxml2.h>

#include <stdio.h>

#pragma comment(lib, "ole32.lib")
#pragma comment(lib, "oleaut32.lib")
#pragma comment(lib, "uuid.lib")
#pragma comment(lib, "msxml2.lib")

LPWSTR szXml =
    L"<?xml version=\"1.0\"?>\r\n"
    L"<Configuration><Modbus modbus=\"G1A\">"
    L"<Enable>Enable</Enable>"
    L"<Type>Master</Type>"
    L"<Protocol>RTU</Protocol>"
    L"<RingNumber>1</RingNumber>"
    L"<BaudRate>19200</BaudRate>"
    L"<Parity>N</Parity>"
    L"<DataBits>8</DataBits>"
    L"<StopBit>1</StopBit>"
    L"<ResponseDelay>1</ResponseDelay>"
    L"<ResponseTimeout>800</ResponseTimeout>"
    L"<RetryCount>2</RetryCount>"
    L"<ErrorDelayCounter>200</ErrorDelayCounter>"
    L"</Modbus>"
    L"<Modbus modbus=\"H2B\">"
    L"<Enable>Enable</Enable>"
    L"<Type>Master</Type>"
    L"<Protocol>RTU</Protocol>"
    L"<RingNumber>1</RingNumber>"
    L"<BaudRate>9600</BaudRate>"
    L"<Parity>E</Parity>"
    L"<DataBits>8</DataBits>"
    L"<StopBit>1</StopBit>"
    L"<ResponseDelay>1</ResponseDelay>"
    L"<ResponseTimeout>500</ResponseTimeout>"
    L"<RetryCount>3</RetryCount>"
    L"<ErrorDelayCounter>200</ErrorDelayCounter>"
    L"</Modbus>"
    L"</Configuration>";

int main()
{
    CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);

    HRESULT hr;
    IXMLDOMDocument* pXml;
    hr = CoCreateInstance(CLSID_DOMDocument30, NULL, CLSCTX_INPROC_SERVER, IID_IXMLDOMDocument, (void**)&pXml);
    if (hr != S_OK) {
        puts("无法创建对象");
        return 1;
    }

    VARIANT_BOOL bRetLoadXml;
    BSTR bstrXml = SysAllocString(szXml);
    pXml->loadXML(bstrXml, &bRetLoadXml);

    if (bRetLoadXml == VARIANT_FALSE) {
        puts("加载XML失败");
        pXml->Release();
        SysFreeString(bstrXml);
        return 1;
    }

    IXMLDOMNode* pConf;
    BSTR bstrXPath;
    bstrXPath = SysAllocString(L"/Configuration");
    hr = pXml->selectSingleNode(bstrXPath, &pConf);
    SysFreeString(bstrXPath);

    if (hr != S_OK) {
        puts("查找根节点失败");
        pXml->Release();
        SysFreeString(bstrXml);
        return 1;
    }

    IXMLDOMNode* pSubNode = 0;
    IXMLDOMNode* pNextSubNode;

    hr = pConf->get_firstChild(&pNextSubNode);
    if (hr != S_OK) {
        puts("获取配置失败");
        pConf->Release();
        SysFreeString(bstrXml);
        pXml->Release();
        return 1;
    }

    do {
        if (pSubNode != 0) pSubNode->Release();
        pSubNode = pNextSubNode;

        //get section caption
        BSTR bstrText;

        pSubNode->get_nodeName(&bstrText);
        wprintf(L"[%s", bstrText);
        SysFreeString(bstrText);

        IXMLDOMNamedNodeMap* pAttrs;
        hr = pSubNode->get_attributes(&pAttrs);
        {
            IXMLDOMNode* pAttr;
            pAttrs->get_item(0, &pAttr);
            if (pAttr != NULL) {
                BSTR bstrAttrVal;
                pAttr->get_text(&bstrAttrVal);
                wprintf(L" %s", bstrAttrVal);
                SysFreeString(bstrAttrVal);
                pAttr->Release();
            }
        }
        pAttrs->Release();

        wprintf(L"%s\n", L"]");

        //get key-value pairs
        IXMLDOMNode* pKVPair = 0;
        IXMLDOMNode* pNextKVPair = 0;
        pSubNode->get_firstChild(&pNextKVPair);

        do {
            if(pKVPair != 0) pKVPair->Release();
            pKVPair = pNextKVPair;

            BSTR bstrKorV;

            pKVPair->get_nodeName(&bstrKorV);
            wprintf(L"%-32s", bstrKorV);
            SysFreeString(bstrKorV);

            wprintf(L"%s", L" : ");

            pKVPair->get_text(&bstrKorV);
            wprintf(L"%s", bstrKorV);
            SysFreeString(bstrKorV);

            wprintf(L"\n");
        } while(pKVPair->get_nextSibling(&pNextKVPair) == S_OK);

        wprintf(L"%s", L"\n");
    }
    while(pSubNode->get_nextSibling(&pNextSubNode) == S_OK);
    pSubNode->Release();


    pConf->Release();
    SysFreeString(bstrXml);
    pXml->Release();

    CoUninitialize();
}

用MSXML解析。

都写到这程度了，剩下的根据需要自己改吧。比如wprintf改成你要输出成字符串或者什么的。

MSXML这com组件全程走的Unicode，所以字符串常量都是带L的，如果不知道什么是Unicode不知道如何和普通字符串（char xxx[]）互相转换，请自己去查。com组件的初始化和资源清理请在整个程序的开头和结尾做。

热心网友时间：2023-11-05 02:23

用MSXML解析。

都写到这程度了，剩下的根据需要自己改吧。比如wprintf改成你要输出成字符串或者什么的。

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MFC中怎么把xml文件转换成CFG文件,求解答。。。等