Golang FileDialog.ShowOpen方法代码示例

// real open file dialog
func (tmw *TaxMainWindow) openFileDia() error {
	dlg := new(walk.FileDialog)
	dlg.FilePath = tmw.prevFilePath
	dlg.Filter = "Excel Files(*.xls;*.xlsx)|*.xls;*.xlsx"
	dlg.Title = "请选择Excel文件"

	if ok, err := dlg.ShowOpen(tmw); err != nil {
		return err
	} else if !ok {
		return nil
	}

	// 拿到选择的文件的路径放入tmw struct
	tmw.prevFilePath = dlg.FilePath

	fmt.Println(tmw.prevFilePath)
	// pre clear data
	truncateData(vatTable)
	// invoke taxxlsx read and save 2 db
	if iSuc := xls.ReadAndSave(tmw.prevFilePath); iSuc {
		walk.MsgBox(tmw, "成功", "导入成功", walk.MsgBoxIconInformation)
		// 显示默认列表数据
		model.RestRows(defaDisplayData())
	}
	return nil
}

func (mw *MyMainWindow) openImage() error {
	dlg := new(walk.FileDialog)

	dlg.FilePath = mw.prevFilePath
	dlg.Filter = "Image Files (*.emf;*.bmp;*.exif;*.gif;*.jpeg;*.jpg;*.png;*.tiff)|*.emf;*.bmp;*.exif;*.gif;*.jpeg;*.jpg;*.png;*.tiff"
	dlg.Title = "Select an Image"

	if ok, err := dlg.ShowOpen(mw); err != nil {
		return err
	} else if !ok {
		return nil
	}

	mw.prevFilePath = dlg.FilePath

	img, err := walk.NewImageFromFile(dlg.FilePath)
	if err != nil {
		return err
	}

	var succeeded bool
	defer func() {
		if !succeeded {
			img.Dispose()
		}
	}()

	page, err := walk.NewTabPage()
	if err != nil {
		return err
	}

	if page.SetTitle(path.Base(strings.Replace(dlg.FilePath, "\\", "/", -1))); err != nil {
		return err
	}

func (mw *MyDialog) openFile(filetype string) (file string, err error) {
	dlgFile := new(walk.FileDialog)

	switch filetype {
	case "PC助手":
		dlgFile.Filter = "PC助手(*.exe)|*.exe"
		dlgFile.Title = "选择PC助手"
	case "Android助手":
		dlgFile.Filter = "Android助手(*.apk)|*.apk"
		dlgFile.Title = "选择Android助手"
	case "Web 数据库":
		dlgFile.Filter = "Web 数据库(*.sql)|*.sql"
		dlgFile.Title = "选择Web 数据库"
	}

	if ok, err := dlgFile.ShowOpen(mw); err != nil {
		return dlgFile.FilePath, err
	} else if !ok {
		return dlgFile.FilePath, err
	}

	file = dlgFile.FilePath

	return file, nil
}

func main() {
	var outTE *walk.TextEdit
	mw := new(MyMainWindow)
	MainWindow{
		Title:    "简易加密文件",
		AssignTo: &mw.MainWindow,
		MinSize:  Size{300, 140},
		Layout:   VBox{},
		Children: []Widget{
			HSplitter{
				Children: []Widget{
					TextEdit{AssignTo: &outTE, ReadOnly: true},
				},
			},
			PushButton{
				Text: "选择文件求反",
				OnClicked: func() {
					dlg := new(walk.FileDialog)
					dlg.Title = "选择文件"
					if ok, err := dlg.ShowOpen(mw); err != nil {
						outTE.SetText(err.Error())
					} else if !ok {
						outTE.SetText("未选择文件")
					} else {
						fileName := dlg.FilePath
						file, err := os.Open(fileName)
						defer file.Close()
						if err != nil {
							outTE.SetText("未找到待处理文件")
						}
						//读取文件内容
						plain, _ := ioutil.ReadAll(file)
						//求反
						for i, b := range plain {
							plain[i] = ^b
						}
						//写入文件
						if fileName[len(fileName)-1:] != "+" {
							fileName += "+"
						} else {
							fileName = fileName[:len(fileName)-1]
						}
						err = ioutil.WriteFile(fileName, plain, 0777)
						if err != nil {
							outTE.SetText(dlg.FilePath + " 保存转换后文件失败!")
						} else {
							outTE.SetText(dlg.FilePath + " 文件已转换!")
						}
					}
				},
			},
		},
	}.Run()
}

// 浏览升级包
func (mw *MyWindow) browser() {
	fd := new(walk.FileDialog)
	fd.Title = "选择iMan升级包"
	fd.Filter = "iMan Files 最大200MB|*"
	fd.FilePath = mw.file

	if _, err := fd.ShowOpen(mw); err != nil {
		log.Fatal(err)
	}

	mw.file = fd.FilePath
}

func (mw *MyMainWindow) openImage() error {
	dlg := new(walk.FileDialog)

	dlg.FilePath = mw.prevFilePath
	dlg.Filter = "Image Files (*.emf;*.bmp;*.exif;*.gif;*.jpeg;*.jpg;*.png;*.tiff)|*.emf;*.bmp;*.exif;*.gif;*.jpeg;*.jpg;*.png;*.tiff"
	dlg.Title = "选择图片"

	if ok, err := dlg.ShowOpen(mw); err != nil {
		return err
	} else if !ok {
		return nil
	}

	mw.prevFilePath = dlg.FilePath

	return nil
}

func (mw *MyDialog) openFile() error {
	dlgFile := new(walk.FileDialog)

	dlgFile.FilePath = mw.upgrideFile
	dlgFile.Filter = "iMan Files 最大200MB|*"
	dlgFile.Title = "选择iMan升级包"

	if ok, err := dlgFile.ShowOpen(mw); err != nil {
		return err
	} else if !ok {
		return nil
	}

	mw.upgrideFile = dlgFile.FilePath

	return nil
}

func (mw *MyDialog) openFile() error {
	dlgFile := new(walk.FileDialog)

	dlgFile.FilePath = mw.adjFile
	dlgFile.Filter = "附件 (*)|*"
	dlgFile.Title = "选择附件"

	if ok, err := dlgFile.ShowOpen(mw); err != nil {
		return err
	} else if !ok {
		return nil
	}

	mw.adjFile = dlgFile.FilePath

	return nil
}

func showImage(owner walk.Form, tabWidget *walk.TabWidget) {
	dlgf := new(walk.FileDialog)
	dlgf.FilePath = ""
	dlgf.Filter = "Image Files (*.emf;*.bmp;*.exif;*.gif;*.jpeg;*.jpg;*.png;*.tiff)|*.emf;*.bmp;*.exif;*.gif;*.jpeg;*.jpg;*.png;*.tiff"
	dlgf.Title = "Select an Image"

	if ok, err := dlgf.ShowOpen(owner); err != nil {
		log.Print(err)
	} else if !ok {
		//return nil
	}

	//walk.MsgBox(nil, "文件路径", dlgf.FilePath, walk.MsgBoxOK)

	img, err := walk.NewImageFromFile(dlgf.FilePath)
	if err != nil {
		log.Print(err)
	}

	var succeeded bool
	defer func() {
		if !succeeded {
			img.Dispose()
		}
	}()

	page, err := walk.NewTabPage()
	if err != nil {
		log.Print(err)
	}

	//if page.SetTitle(path.Base(strings.Replace(dlgf.FilePath, "\\", "/", -1))); err != nil {
	//	log.Print(err)
	//}
	page.SetLayout(walk.NewHBoxLayout())

	defer func() {
		if !succeeded {
			page.Dispose()
		}
	}()

	imageView, err := walk.NewImageView(page)
	if err != nil {
		log.Print(err)
	}

	defer func() {
		if !succeeded {
			imageView.Dispose()
		}
	}()
	imageView.SetImage(img)

	if err := tabWidget.Pages().Add(page); err != nil {
		log.Print(err)
	}

	if err := tabWidget.SetCurrentIndex(tabWidget.Pages().Len() - 1); err != nil {
		log.Print(err)
	}

	succeeded = true
}