QTableWidget 导出到csv表格

跳槽到了新的公司，开始苦逼的出差现场开发，接触到了新的应用。有很多应用需要将Table导出成表格，可以把table导出成csv格式的文件。跟大伙分享一下；

1. lass TableToExcle : public QDialog
2. {
3. Q_OBJECT
4. public:
5. TableToExcle(QWidget *parent = 0, Qt::WFlags flags = 0);
6. ~TableToExcle();
7. private:
8. Ui::TableToExcleClass ui;
9. private slots:
10. void addRowSlot();
11. void delRowSlot();
12. void exportSlot();
13. };

1. TableToExcle::TableToExcle(QWidget *parent, Qt::WFlags flags)
2. : QDialog(parent, flags)
3. {
4. ui.setupUi(this);
5. ui.m_pTable->setColumnCount(4);
6. QTableWidgetItem * item = new QTableWidgetItem("0");
7. ui.m_pTable->setHorizontalHeaderItem ( 0, item );
8. item = new QTableWidgetItem("1");
9. ui.m_pTable->setHorizontalHeaderItem ( 1, item );
10. item = new QTableWidgetItem("2");
11. ui.m_pTable->setHorizontalHeaderItem ( 2, item );
12. item = new QTableWidgetItem("3");
13. ui.m_pTable->setHorizontalHeaderItem ( 3, item );
14. ui.m_pTable->setSelectionBehavior(QAbstractItemView::SelectRows);
15. connect(ui.m_pAddBtn,SIGNAL(clicked()),this,SLOT(addRowSlot()));
16. connect(ui.m_pDelBtn,SIGNAL(clicked()),this,SLOT(delRowSlot()));
17. connect(ui.m_pExportBtn,SIGNAL(clicked()),this,SLOT(exportSlot()));
18. }
19. TableToExcle::~TableToExcle()
20. {
21. }
22. void TableToExcle::addRowSlot()
23. {
24. ui.m_pTable->insertRow(ui.m_pTable->rowCount());
25. }
26. void TableToExcle::delRowSlot()
27. {
28. int index = ui.m_pTable->currentRow ();
29. if (index > -1)
30. {
31. ui.m_pTable->removeRow(index);
32. }
33. }
34. void TableToExcle::exportSlot()
35. {
36. QString fileName = QFileDialog::getSaveFileName(this, tr("Save File")," ",tr("file (*.csv)"));
37. if (!fileName.isEmpty())
38. {
39. QFile file(fileName);
40. bool ret = file.open( QIODevice::Truncate | QIODevice::WriteOnly);
41. if(!ret)
42. return;
43. QTextStream stream(&file);
44. QString conTents;
45. QHeaderView * header = ui.m_pTable->horizontalHeader() ;
46. if (header)
47. {
48. for ( int i = 0; i < header->count(); i++ )
49. {
50. QTableWidgetItem *item = ui.m_pTable->horizontalHeaderItem(i);
51. if (!item)
52. {
53. continue;
54. }
55. conTents += item->text() + ",";
56. }
57. conTents += "\n";
58. }
59. for ( int i = 0 ; i < ui.m_pTable->rowCount(); i++ )
60. {
61. for ( int j = 0; j < ui.m_pTable->columnCount(); j++ )
62. {
63. QTableWidgetItem* item = ui.m_pTable->item(i, j);
64. if ( !item )
65. continue;
66. QString str = item->text();
67. str.replace(","," ");
68. conTents += str + ",";
69. }
70. conTents += "\n";
71. }
72. stream << conTents;
73. file.close();
74. }
75. if( QMessageBox::Yes == QMessageBox::information(0,QObject::tr("文件导出"),QString("文件导出成功,是否打开该文件？"),QMessageBox::Yes,QMessageBox::No) )
76. {
77. QSettings settings("HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Office",QSettings::NativeFormat);
78. QString szDefault, szPath;
79. bool bSuccess;
80. szPath = settings.value("12.0/Excel/InstallRoot/Path").toString();
81. if (szPath.isEmpty())
82. szPath = settings.value("11.0/Excel/InstallRoot/Path").toString();
83. if (szPath.isEmpty())
84. szPath = settings.value("10.0/Excel/InstallRoot/Path").toString();
85. if (szPath.isEmpty())
86. szPath = settings.value("9.0/Excel/InstallRoot/Path").toString();
87. if (szPath.isEmpty())
88. szPath = settings.value("14.0/Excel/InstallRoot/Path").toString();
89. if (szPath.isEmpty())
90. {
91. QMessageBox::information(0, "提示", "系统没有安装Office, 不能查看故障报告,请您先安装Microsoft Office.");
92. return;
93. }
94. QProcess * proce = new QProcess;
95. QString szExcelexe = szPath + "excel.exe";
96. QString szopen = "/safe";
97. QString szDoc = fileName;
98. QStringList list;
99. list<<szDoc;
100. if( proce )
101. {
102. proce->start(szExcelexe,list);
103. proce->waitForStarted(5000);        //需要等待完成启动
104. }<pre name="code" class="cpp">               delete proce;

http://blog.csdn.net/hai200501019/article/details/37538591