linux下使用system调用解压命令实现解压文件的函数

版权声明：本文为博主原创文章，转载请注明出处。作者：ISmileLi 博客地址：http://blog.csdn.net/toby54king。 https://blog.csdn.net/toby54king/article/details/83066591

说明：分享一个能够解压linux下大部分压缩文件的类，废话不多说啦，直接上代码

/**************************************.h***************************/
#ifndef ZLIBUNCOMPRESS_H
#define ZLIBUNCOMPRESS_H
#include <iostream>
#include <stdio.h>

using namespace std;
class ZlibUncompress
{
public:
    ZlibUncompress();
    ~ZlibUncompress();

    // 解压文件
    static void uncompressFile(const string srcFilePath, const string destFilePath/*="./"*/, const string format=".tar");
};

#endif // ZLIBUNCOMPRESS_H
/*********************************************.cpp************************/
#include "ZlibUncompress.h"
#include <time.h>

ZlibUncompress::ZlibUncompress()
{

}

ZlibUncompress::~ZlibUncompress()
{

}

//************************************
// 函数名称: uncompressFile
// 函数说明：解压文件
// 返 回 值: void
// 参    数: const string srcFilePath
// 参    数: const string destFilePath
// 参    数: const string format=".tar"
// 作    者：ISMILELI
// 作成日期：2018/08/05
// 修改记录：
//************************************
void ZlibUncompress::uncompressFile(const string srcFilePath, const string destFilePath, const string format/*=".tar"*/)
{
    time_t start,finish;
    start = time(NULL);
    string systemUnzlib = "tar xvf ";
    string unzlibStr = "";
    if(format.compare(".tar") == 0)//（以通过）
    {
        unzlibStr = systemUnzlib + srcFilePath + " -C" + destFilePath;
    }
    else if(format.compare(".tar.gz") == 0)//（以通过）
    {
        systemUnzlib = "tar zxvf ";
        unzlibStr = systemUnzlib + srcFilePath + " -C " + destFilePath;
    }
    else if(format.compare(".gz") == 0)//目标文件
    {
        systemUnzlib = "gunzip  "; // 没有找到解压后能保留源文件的方法
        string gunzipStr = systemUnzlib + srcFilePath;
        system(gunzipStr.c_str());
        string mvStr = "mv" + string(srcFilePath,0,srcFilePath.length()-3) + destFilePath;
        system(mvStr.c_str());
    }
    else if(format.compare(".bz2") == 0 || format.compare(".bz") == 0)//目标文件
    {
        systemUnzlib = "bunzip2 -k"; // 如果不需要保留源文件则把-k去掉就行
        string bunzip2Str = systemUnzlib + srcFilePath;
        system(bunzip2Str.c_str());
        string mvStr = "mv" + srcFilePath.substr(0,srcFilePath.rfind('.')) + destFilePath;
        system(mvStr.c_str());
    }
    else if(format.compare(".tar.bz2") == 0)//（以通过）
    {
        systemUnzlib = "tar jxvf ";
        unzlibStr = systemUnzlib + srcFilePath + " -C " + destFilePath;
    }
    else if(format.compare(".tar.bz") == 0)//（以通过）
    {
        systemUnzlib = "tar jxvf ";
        unzlibStr = systemUnzlib + srcFilePath + " -C " + destFilePath;
    }
    else if(format.compare(".Z") == 0)//
    {
        systemUnzlib = "uncompress ";
        string uncompressStr = systemUnzlib + srcFilePath /*+ " -C " + destFilePath*/;
        system(uncompressStr.c_str());
        string mvStr = "mv" + srcFilePath.substr(0,srcFilePath.find_last_of('.')) + destFilePath;
        system(mvStr.c_str());
    }
    else if(format.compare(".tar.Z") == 0)//（以通过）
    {
        systemUnzlib = "tar Zxvf ";
        unzlibStr = systemUnzlib + srcFilePath + " -C " + destFilePath;
    }
    else if(format.compare(".zip") == 0)//(以通过）
    {
        systemUnzlib = "unzip ";
        unzlibStr = systemUnzlib + srcFilePath + " -d " + destFilePath;
    }
    else
    {
        cout << "don't support"
                " this compress file." << endl;
    }
    finish = time(NULL);
    cout << "uncompress file use time seconds:" << difftime(finish,start) << endl;
    system(unzlibStr.c_str());
}