个人第一款小工具-批量文件重命名By Qt 5(Qt 5.2.1 + MSVC2012)

 1 void Widget::progress_dirs(QString &source_dir, QString &dest_dir) //process dirs
 2 {
 3     QStringList filter_temp;
 4     int i = 0;
 5     QDir *dir = new QDir(source_dir);
 6     dir->setFilter(QDir::Dirs | QDir::Files | QDir::NoDotAndDotDot); //do not list . and ..
 7     QList<QFileInfo> *fileInfo = new QList<QFileInfo>(dir->entryInfoList(filter_temp));
 8 
 9     if(set_range_flag == 0)
10     {
11         ui->progressBar->setRange(0, fileInfo->count());
12         set_range_flag = 1;
13     }
14 
15     for(int j = 0; j < fileInfo->count(); j++)
16     {
17         if(source_dir == directory_open)
18         {
19             ui->progressBar->setValue(j + 1);
20         }
21 
22         if(fileInfo->at(j).isDir())
23         {
24             if(ui->checkBox_Dir->isChecked())
25             {
26                 QStringList dir_temp = (fileInfo->at(j).filePath()).split("/");
27                 QString dest_dir_new = dest_dir + "/" + dir_temp.last();
28                 QDir my_dir;
29                 if(!my_dir.exists(dest_dir_new))
30                 {
31                     my_dir.mkpath(dest_dir_new);
32                 }
33                 progress_dirs(fileInfo->at(j).filePath(), dest_dir_new); //circle to sub dir
34             }
35         }
36         else
37         {
38             QFileInfo temp(fileInfo->at(j).fileName());
39             QString suffix = temp.suffix();
40 
41             QString suffix_temp = "*." + suffix;
42             QStringList result = filter.filter(suffix_temp);
43 
44             if(result.isEmpty())
45             {
46                 continue;
47             }
48             else
49             {
50                 QFile::rename(fileInfo->at(j).filePath(), (dest_dir + "/" + prefix + link + QString::number(i + start_number) + "." + suffix));
51 
52                 if(source_save) //if choose save source, keep a backup
53                 {
54                     QFile::copy((dest_dir + "/" + prefix + link + QString::number(i + start_number) + "." + suffix), fileInfo->at(j).filePath());
55                 }
56                 i++;
57             }
58 
59         }
60 
61     }
62 }