Excel表格写入操作函数 C++

#pragma once
#include <stdio.h>  
#include <string.h>

typedef unsigned short ushort;
class ExcelProcess
{
public:
    ExcelProcess(void){pf=NULL;};
    ~ExcelProcess(void){ if (pf) EndWrite(); };
    
    void WriteCell(ushort row, ushort col, const char *value)
    {
        ushort iLen = (ushort)strlen(value);
        ushort clData[] = { 0x0204, ushort(8 + iLen), row, col, 0, iLen };
        WriteArray(clData, 12);
        WriteArray(value, iLen);
    }

    void WriteCell(ushort row, ushort col, int value)
    {
        ushort clData[] = { 0x027E, 10, row, col, 0 };
        WriteArray(clData, 10);
        int iValue = (value << 2) | 2;
        WriteArray(&iValue, 4);
    }

    void WriteCell(ushort row, ushort col, double value)
    {
        ushort clData[] = { 0x0203, 14, row, col, 0 };
        WriteArray(clData, 10);
        WriteArray(&value, 8);
    }

    void WriteCell(ushort row, ushort col)
    {
        ushort clData[] = { 0x0201, 6, row, col, 0x17 };
        WriteArray(clData, 10);
    }

    bool BeginWrite(const char *fileName)
    {
        pf = fopen(fileName, "wb+");
        if (!pf) return false;
        ushort clBegin[] = { 0x0809, 0x08, 0x0, 0x10, 0x0, 0x0 };
        WriteArray(clBegin, 12);
        return true;
    }

    void EndWrite()
    {
        ushort clEnd[] = { 0x0A, 0x0 };
        WriteArray(clEnd, 4);
        fclose(pf);
        pf = 0;
    }
    bool IsOpen()
    {
        if (pf!=NULL)
        {
            return true;
        }
        else
        {
            return false;
        }
    }
    void WriteArray(const void *value, ushort len)
    {
        if (pf)
            fwrite(value, 1, len, pf);
    }
private:
    FILE *pf;
};

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https://www.cnblogs.com/bclshuai/p/11380657.html

百度云盘下载地址：

链接：https://pan.baidu.com/s/1swkQzCIKI3g3ObcebgpIDg

提取码：mc8l

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