Xojo 语言实现文件搜索桌面工具

Xojo^【1】语言实现文件搜索桌面工具

随着计算机存储设备的日益庞大，文件数量的激增使得文件管理变得尤为重要。一个高效的文件搜索工具^【2】可以帮助用户快速找到所需的文件，提高工作效率。本文将介绍如何使用 Xojo 语言开发一个简单的文件搜索桌面工具，实现基本的文件搜索功能。

Xojo 简介

Xojo 是一种面向对象的编程语言，它允许开发者使用相同的代码在 Windows、macOS、Linux、iOS 和 web 上创建应用程序。Xojo 提供了丰富的控件^【3】和库，使得开发桌面、移动和 web 应用变得简单快捷。

文件搜索工具需求分析

在开发文件搜索工具之前，我们需要明确以下需求：

1. 支持多种文件类型搜索。
2. 支持搜索子目录^【4】。
3. 支持搜索结果排序^【5】。
4. 提供搜索结果预览^【6】。
5. 界面友好，易于使用。

文件搜索工具设计

界面设计

使用 Xojo 的界面设计器^【7】，我们可以创建一个简单的窗口，包含以下控件：

- 文本框^【8】（TextBox）：用于输入搜索关键字^【9】。
- 按钮组^【10】（ButtonGroup）：包含“搜索”和“取消”按钮。
- 列表框^【11】（ListBox）：用于显示搜索结果。
- 检查框^【12】（CheckBox）：用于选择是否搜索子目录。
- 排序下拉菜单^【13】（ComboBox）：用于选择搜索结果排序方式。

功能实现^【14】

以下是文件搜索工具的主要功能实现：

1. 搜索文件：使用 `FolderItem^【15】` 类遍历指定目录及其子目录，查找匹配关键字的文件。
2. 搜索结果排序：根据用户选择的排序方式对搜索结果进行排序。
3. 搜索结果预览：双击列表框中的文件，打开文件所在目录。
4. 取消搜索^【16】：停止当前搜索操作。

代码实现

以下是一个简单的文件搜索工具的 Xojo 代码实现：

```xojo
class FolderSearchTool
property FolderItem As FolderItem
property SearchKeyword As String
property SearchSubfolders As Boolean
property SortOrder As Integer
property SearchResults As Listbox

Sub Constructor()
SearchKeyword = ""
SearchSubfolders = False
SortOrder = 0
SearchResults = New Listbox
SearchResults.AddColumn("Name")
SearchResults.AddColumn("Size")
SearchResults.AddColumn("Modified")
SearchResults.ColumnWidths = "200,100,150"
SearchResults.SortColumn = 0
SearchResults.SortOrder = 0
SearchResults.MultiLine = True
SearchResults.WordWrap = True
SearchResults.ListWidth = 500
SearchResults.ListHeight = 300
SearchResults.AddRow("Search for files...")
SearchResults.ListIndex = 0
End Sub

Sub SearchButtonPressed()
SearchKeyword = SearchResults.Text
SearchSubfolders = SearchSubfoldersCheckBox.Value
SortOrder = SearchResults.SortColumn
SearchResults.ListIndex = 0
SearchResults.ListCount = 0
SearchResults.AddRow("Searching...")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search completed.")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search for files...")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search completed.")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search for files...")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search completed.")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search for files...")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search completed.")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search for files...")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search completed.")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search for files...")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search completed.")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search for files...")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search completed.")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search for files...")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search completed.")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search for files...")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search completed.")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search for files...")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search completed.")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search for files...")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search completed.")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search for files...")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search completed.")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search for files...")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search completed.")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search for files...")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search completed.")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search for files...")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search completed.")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search for files...")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search completed.")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search for files...")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search completed.")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search for files...")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search completed.")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search for files...")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search completed.")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search for files...")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search completed.")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search for files...")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search completed.")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search for files...")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search completed.")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search for files...")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search completed.")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search for files...")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search completed.")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search for files...")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search completed.")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search for files...")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search completed.")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search for files...")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search completed.")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search for files...")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search completed.")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search for files...")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search completed.")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search for files...")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search completed.")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search for files...")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search completed.")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search for files...")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search completed.")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search for files...")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search completed.")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search for files...")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search completed.")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0
SearchResults.RemoveRow(0)
SearchResults.AddRow("Search for files...")
SearchResults.ListIndex = 0
SearchResults.ListCount = 1
SearchResults.ListIndex = 0

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