概要
屬性
方法
CaptureFocus():() |
ReleaseFocus(submitted: boolean):() |
活動
FocusLost(enterPressed: boolean,inputThatCausedFocusLoss: InputObject):RBXScriptSignal |
範例程式碼
文本框密碼字
-- 將此代碼放在文本框內的 LocalScript 中
local textBox = script.Parent
local secretWord = "roblox"
local colorNormal = Color3.new(1, 1, 1) -- 白色
local colorWrong = Color3.new(1, 0, 0) -- 紅色
local colorCorrect = Color3.new(0, 1, 0) -- 綠色
-- 初始化文本框的狀態
textBox.ClearTextOnFocus = true
textBox.Text = ""
textBox.Font = Enum.Font.Code
textBox.PlaceholderText = "秘密字是什麼？"
textBox.BackgroundColor3 = colorNormal
local function onFocused()
textBox.BackgroundColor3 = colorNormal
end
local function onFocusLost(enterPressed, _inputObject)
if enterPressed then
local guess = textBox.Text
if guess == secretWord then
textBox.Text = "訪問授權"
textBox.BackgroundColor3 = colorCorrect
else
textBox.Text = "訪問拒絕"
textBox.BackgroundColor3 = colorWrong
end
else
-- 玩家在未按下 Enter 的情況下停止編輯
textBox.Text = ""
textBox.BackgroundColor3 = colorNormal
end
end
textBox.FocusLost:Connect(onFocusLost)
textBox.Focused:Connect(onFocused)API 參考
屬性
CursorPosition
範例程式碼
文字框選擇
local textBox = script.Parent
local function showSelection()
if textBox.CursorPosition == -1 or textBox.SelectionStart == -1 then
print("沒有選擇")
else
local selectedText = string.sub(
textBox.Text,
math.min(textBox.CursorPosition, textBox.SelectionStart),
math.max(textBox.CursorPosition, textBox.SelectionStart)
)
print('選擇內容是:"', selectedText, '"')
end
end
textBox:GetPropertyChangedSignal("CursorPosition"):Connect(showSelection)
textBox:GetPropertyChangedSignal("SelectionStart"):Connect(showSelection)FontSize
SelectionStart
範例程式碼
文字框選擇
local textBox = script.Parent
local function showSelection()
if textBox.CursorPosition == -1 or textBox.SelectionStart == -1 then
print("沒有選擇")
else
local selectedText = string.sub(
textBox.Text,
math.min(textBox.CursorPosition, textBox.SelectionStart),
math.max(textBox.CursorPosition, textBox.SelectionStart)
)
print('選擇內容是:"', selectedText, '"')
end
end
textBox:GetPropertyChangedSignal("CursorPosition"):Connect(showSelection)
textBox:GetPropertyChangedSignal("SelectionStart"):Connect(showSelection)TextColor
TextColor3
範例程式碼
母音檢測器
local textBox = script.Parent
local function hasVowels(str)
return\ str:lower():find("[aeiou]")
end
local function onTextChanged()
local\ text = textBox.Text
-- 檢查母音
if hasVowels(text) then
\ textBox.TextColor3 = Color3.new(0, 0, 0) -- 黑色
else
textBox.TextColor3\ = Color3.new(1, 0, 0) -- 紅色
end
end
textBox:GetPropertyChangedSignal("\ Text"):Connect(onTextChanged)TextWrap
方法
CaptureFocus
TextBox:CaptureFocus():()
返回
()
範例程式碼
捕獲文本框焦點
local UserInputService = game:GetService("UserInputService")
local textBox = script.Parent
local input = UserInputService.InputBegan:Connect(function(input, processed)
if input.KeyCode == Enum.KeyCode.Q then
textBox:CaptureFocus()
end
end)ReleaseFocus
參數
| 預設值：false |
返回
()
範例程式碼
釋放文字框焦點
local UserInputService = game:GetService("UserInputService")
local textBox = script.Parent
local input = UserInputService.InputBegan:Connect(function(input, processed)
if input.KeyCode == Enum.KeyCode.Escape and textBox.IsFocused then
textBox:ReleaseFocus()
end
end)活動
Focused
範例程式碼
文字框聚焦
local textBox = script.Parent
textBox.Focused:Connect(function()
print("已聚焦！")
end)
textBox.FocusLost:Connect(function()
print("聚焦失去！")
end)FocusLost
參數
範例程式碼
文字框聚焦
local textBox = script.Parent
textBox.Focused:Connect(function()
print("已聚焦！")
end)
textBox.FocusLost:Connect(function()
print("聚焦失去！")
end)聚焦失去
local textBox = script.Parent
local function onFocusLost(enterPressed, inputThatCausedFocusLost)
if enterPressed then
print("玩家按下 Enter")
else
print("玩家按下", inputThatCausedFocusLost.KeyCode)
end
end
textBox.FocusLost:Connect(onFocusLost)TextBox.FocusLost1
local gui = script.Parent
local textBox = gui.TextBox
local function focusLost(enterPressed)
if enterPressed then
print("焦點因按下 Enter 鍵而丟失！")
else
print("焦點未按下 Enter 鍵而丟失")
end
end
textBox.FocusLost:Connect(focusLost)