boolean CompareVersion(string softVersion1, string softVersion2)

{

if (softVersion1.compare(softVersion2) >= )

{

return true;

}

return false;

}

void main(void)

{

    string appVersion = "1.4.2";

    string softVersion = "1.5.0";

    if (CompareVersion(appVersion, softVersion))

    {

        printf("appVersion 版本大于softVersion 版本");

    }

    else

    {

        printf("appVersion 版本小于softVersion 版本");

    }

}