c++批量修改pdf文件名 图片文件名

pdf是扫描文件，文件名顺序就是扫描先后顺序，新文件名存放在csv文件中（不能是utf8的那个csv文件，我还写了个utf8的格式转换函数，但是还是在新的地方又出现了乱码）。

把exe放到要处理的文件夹中，双击就可以执行替换。

一些碎碎念，我忘了二维char数组怎么用了，结果用结构体代替了发现更顺手了。utf8的转换函数没有删，但是也没有调用。

#include
#include   
#include   
#include   
#include   
#include 
#include 
#include 
#include 
//#include "read.h"
using namespace std;

struct PDF {
    char name[100];
    
};

PDF pdf[500], csv[500];

bool cmp(PDF a, PDF b) {
    int ans = strcmp(a.name, b.name);
    if (ans < 0)
        return true;
    else
        return false;
}

string UTF8ToGB(const char* str)  //处理中文乱码异常
{
    string result;
    WCHAR* strSrc;
    LPSTR szRes;

    //获得临时变量的大小
    int i = MultiByteToWideChar(CP_UTF8, 0, str, -1, NULL, 0);
    strSrc = new WCHAR[i + 1];
    MultiByteToWideChar(CP_UTF8, 0, str, -1, strSrc, i);

    //获得临时变量的大小
    i = WideCharToMultiByte(CP_ACP, 0, strSrc, -1, NULL, 0, NULL, NULL);
    szRes = new CHAR[i + 1];
    WideCharToMultiByte(CP_ACP, 0, strSrc, -1, szRes, i, NULL, NULL);

    result = szRes;
    delete[]strSrc;
    delete[]szRes;

    return result;
}

int readpdf() {

    int sum;
    char buffer[255];
    _getcwd(buffer, 255);  //读取当前位置目录
    strcat(buffer, "\\*.pdf");
    const char* to_search = buffer;
    //   cout << buffer << endl;

    intptr_t handle;                                                //用于查找的句柄
    struct _finddata_t fileinfo;                          //文件信息的结构体
    handle = _findfirst(to_search, &fileinfo);         //第一次查找
    if (-1 == handle)return -1;
    //   printf("%s\n", fileinfo.name);                         //打印出找到的文件的文件名

    sum = 0;
    strcpy(pdf[sum++].name, fileinfo.name);

 //   printf("%s\n", pdf[sum - 1].name);


    while (!_findnext(handle, &fileinfo))               //循环查找其他符合的文件，知道找不到其他的为止
    {
  //    printf("%s\n", fileinfo.name);

        strcpy(pdf[sum++].name, fileinfo.name);
  //    printf("%s\n", pdf[sum - 1].name);
    }
    _findclose(handle);                                      //别忘了关闭句柄
 //   printf("sum=%d\n", sum);

      sort(pdf, pdf + sum, cmp);

    return sum;
}

int readcsv() {

    int num = 0;
    string line, newline;

    char buffer[255], filename[255];
    _getcwd(buffer, 255);  //读取当前位置目录
    strcat(buffer, "\\*.csv");
    const char* to_search = buffer;

    intptr_t handle;                                                //用于查找的句柄
    struct _finddata_t fileinfo;
    handle = _findfirst(to_search, &fileinfo);         //第一次查找
    if (-1 == handle) {
        printf("不存在csv文件\n");
        return -1;
    }
    //   printf("%s\n", fileinfo.name);                         //打印出找到的文件的文件名
    strcpy(filename, fileinfo.name);

    ifstream fin(filename); //打开文件流操作

    while (getline(fin, line))   //整行读取，换行符“\n”区分，遇到文件尾标志eof终止读取
    {
     //   newline = UTF8ToGB(line.c_str()).c_str();
        //   cout << "原始字符串：" << newline << endl; //整行输出
        strcpy(csv[num].name, line.c_str());
        strcat(csv[num].name, ".pdf");
        num++;
    //    printf("%s\n", csv[num - 1].name);

    }
    //  printf("num = %d\n", num);

    fin.close();

    return num;
}

void replacename(int num) {

    char oldName[100], newName[100];
    string s1, s2;
 //   s1 = "SKM_454e22112113390.pdf";
 //   s2 = "ZLH2-3221-EQ-STCC-AGD-0188 E-0381设备管口与相连管线坐标不符";
 //   rename(s1.c_str(), s2.c_str());
//    cout << s1 << " " << s2 << endl;

    for (int i = 0; i < num; i++) {
        strcpy(oldName, pdf[i].name);
        strcpy(newName, csv[i].name);
        rename(oldName, newName);
        printf("%s 替换为 %s\n", oldName, newName);
    } 
}


int main()
{
    int sum, num;
    
    sum = readpdf(); //读取当前目录下的pdf文件，存储在pdf中，并返回文件个数
    printf("pdf读取完毕，共：%d个\n", sum); 

    num = readcsv(); //读取csv文件中的新文件名，存储在csv中，并返回行数
    printf("csv读取完毕，共：%d行\n", num);
    if (num != sum) {
        printf("csv行数和pfd数量不匹配\n");
        printf("csv = %d pdf = %d \n", num, sum);
        system("pause");
        return -1;
    }
 //   printf("%c %d\n", csv[0].name[0], csv[0].name[0]);
    replacename(num);

    system("pause");
    return 0;
}

又改了改做了个修改图片文件名的

#include
#include   
#include   
#include   
#include   
#include 
#include 
#include 
#include 
#include
//#include "read.h"
using namespace std;

struct Picture {
    char name[100];
    char lastname[10];
    
};

Picture picture[500], csv[500];

bool cmp(Picture a, Picture b) {
    int ans = strcmp(a.name, b.name);
    if (ans < 0)
        return true;
    else
        return false;
}

string UTF8ToGB(const char* str)  //处理中文乱码异常
{
    string result;
    WCHAR* strSrc;
    LPSTR szRes;

    //获得临时变量的大小
    int i = MultiByteToWideChar(CP_UTF8, 0, str, -1, NULL, 0);
    strSrc = new WCHAR[i + 1];
    MultiByteToWideChar(CP_UTF8, 0, str, -1, strSrc, i);

    //获得临时变量的大小
    i = WideCharToMultiByte(CP_ACP, 0, strSrc, -1, NULL, 0, NULL, NULL);
    szRes = new CHAR[i + 1];
    WideCharToMultiByte(CP_ACP, 0, strSrc, -1, szRes, i, NULL, NULL);

    result = szRes;
    delete[]strSrc;
    delete[]szRes;

    return result;
}

bool namecheck(char* name) {
 //   printf("%d %s\n", strlen(name), name);
    char str3[10], str4[10];

    int len = strlen(name);
    str3[0] = name[len - 3];
    str3[1] = name[len - 2];
    str3[2] = name[len - 1];
    str3[3] = '\0';

    str4[0] = name[len - 4];
    str4[1] = name[len - 3];
    str4[2] = name[len - 2];
    str4[2] = name[len - 1];
    str4[3] = '\0';

    if ((strcmp(str3, "jpg") == 0) || (strcmp(str3, "JPG") == 0) ||
        (strcmp(str3, "png") == 0) || (strcmp(str3, "PNG") == 0) ||
        (strcmp(str3, "bmp") == 0) || (strcmp(str3, "BMP") == 0)) {
        return true;
    }
    else if ((strcmp(str4, "jpeg") == 0) || (strcmp(str4, "JPEG") == 0)) {
        return true;
    }

    return false;
}

int readpicture() {

    int sum, len;
    char buffer[255];
    char bufferjpg[255], bufferJPG, bufferpng[255], bufferPNG[255];
    char bufferjpeg[255], bufferJPEG[255], bufferbmp[255], bufferBMP[255];
    _getcwd(buffer, 255);  //读取当前位置目录
    strcat(buffer, "\\*");

    const char* to_search = buffer;
    //   cout << buffer << endl;

    intptr_t handle;                                                //用于查找的句柄
    struct _finddata_t fileinfo;                          //文件信息的结构体
    handle = _findfirst(to_search, &fileinfo);         //第一次查找
    if (-1 == handle)return -1;
    //   printf("%s\n", fileinfo.name);                         //打印出找到的文件的文件名

    sum = 0;
    if (namecheck(fileinfo.name)) {
        len = strlen(fileinfo.name);
        if (fileinfo.name[len - 4] == '.') {
            picture[sum].lastname[0] = fileinfo.name[len - 3];
            picture[sum].lastname[1] = fileinfo.name[len - 2];
            picture[sum].lastname[2] = fileinfo.name[len - 1];
            picture[sum].lastname[3] = '\0';
        }
        else if (fileinfo.name[len - 5] == '.') {
            picture[sum].lastname[0] = fileinfo.name[len - 4];
            picture[sum].lastname[1] = fileinfo.name[len - 3];
            picture[sum].lastname[2] = fileinfo.name[len - 2];
            picture[sum].lastname[3] = fileinfo.name[len - 1];
            picture[sum].lastname[4] = '\0';
        }
        strcpy(picture[sum++].name, fileinfo.name);
        len = strlen(fileinfo.name);      
    }
    
 //   printf("%s\n", pdf[sum - 1].name);


    while (!_findnext(handle, &fileinfo))               //循环查找其他符合的文件，知道找不到其他的为止
    {
  //    printf("%s\n", fileinfo.name);
        if (namecheck(fileinfo.name)) {
            len = strlen(fileinfo.name);
            if (fileinfo.name[len - 4] == '.') {
                picture[sum].lastname[0] = fileinfo.name[len - 3];
                picture[sum].lastname[1] = fileinfo.name[len - 2];
                picture[sum].lastname[2] = fileinfo.name[len - 1];
                picture[sum].lastname[3] = '\0';
            }
            else if (fileinfo.name[len - 5] == '.') {
                picture[sum].lastname[0] = fileinfo.name[len - 4];
                picture[sum].lastname[1] = fileinfo.name[len - 3];
                picture[sum].lastname[2] = fileinfo.name[len - 2];
                picture[sum].lastname[3] = fileinfo.name[len - 1];
                picture[sum].lastname[4] = '\0';
            }
            strcpy(picture[sum++].name, fileinfo.name);
            //    printf("%s\n", pdf[sum - 1].name);
        }
       
    }
    _findclose(handle);                                      //别忘了关闭句柄
 //   printf("sum=%d\n", sum);

      sort(picture, picture + sum, cmp);

    return sum;
}

int readcsv() {

    int num = 0;
    string line, newline;

    char buffer[255], filename[255];
    _getcwd(buffer, 255);  //读取当前位置目录
    strcat(buffer, "\\*.csv");
    const char* to_search = buffer;

    intptr_t handle;                                                //用于查找的句柄
    struct _finddata_t fileinfo;
    handle = _findfirst(to_search, &fileinfo);         //第一次查找
    if (-1 == handle) {
        printf("不存在csv文件\n");
        return -1;
    }
    //   printf("%s\n", fileinfo.name);                         //打印出找到的文件的文件名
    strcpy(filename, fileinfo.name);

    ifstream fin(filename); //打开文件流操作

    while (getline(fin, line))   //整行读取，换行符“\n”区分，遇到文件尾标志eof终止读取
    {
        strcpy(csv[num].name, line.c_str());
 //       strcat(csv[num].name, ".pdf");
        num++;
    //    printf("%s\n", csv[num - 1].name);

    }
    //  printf("num = %d\n", num);

    fin.close();

    return num;
}

void replacename(int num) {

    char oldName[100], newName[100];

    for (int i = 0; i < num; i++) {
        strcat(csv[i].name, ".");
        strcat(csv[i].name, picture[i].lastname);
        strcpy(oldName, picture[i].name);
        strcpy(newName, csv[i].name);
        rename(oldName, newName);
        printf("%s 替换为 %s\n", oldName, newName);
    } 
}


int main()
{
    int sum, num;
    
    sum = readpicture(); //读取当前目录下的图片文件，存储在picture中，并返回文件个数
    printf("图片读取完毕，共：%d个\n", sum); 

    num = readcsv(); //读取csv文件中的新文件名，存储在csv中，并返回行数
    printf("csv读取完毕，共：%d行\n", num);
   if (num != sum) {
        printf("csv行数和图片数量不匹配\n");
        printf("csv = %d picture = %d \n", num, sum);
        system("pause");
        return -1;
   }
 //   printf("%c %d\n", csv[0].name[0], csv[0].name[0]);
    replacename(num);

    system("pause");
    return 0;
}

工程文件放这里了
https://download.csdn.net/download/mandiheyanyu/87136010

部分参考链接
C++学习笔记（一）：中文字符的处理——批量读取和修改文件夹下文件名，以及WCHAR_T/WSTRING与CHAR/STRING不得不说的故事
https://www.freesion.com/article/4331115182/

C++修改文件名
https://zhuanlan.zhihu.com/p/296757589