Roblox Studio管理员GUI设置玩家现金技术求助

Hey there! Let's work through your admin GUI cash setup issue together—since you're new to Lua, I'll break down exactly what's wrong with your current code and show you a proper, secure way to implement this.

First, Let's Spot the Issues in Your Original Code #

Your current script has a few key problems that are causing it to fail:

• Incorrect Event Name: game.Players.childAdded should be game.Players.PlayerAdded (Roblox uses camelCase for event names, and this event fires when a player joins the game—you don't need it inside a button click handler anyway).
• Invalid Parent Assignment: You're trying to set the IntValue's parent to casgplayertext.Text (a string), but a parent must be a Roblox Instance (like a player object or folder).
• Wrong Value Assignment: stat.Value = script.Parent.Parent.cashetxt assigns the input box object itself to the value, not the number inside the input box—you need to convert the text to a number first.
• Empty Event Callback: game.Players.childAdded:connect() has no function inside it, so it does nothing at all.
• No Input Validation: You don't check if the player exists or if the input is a valid number, which leads to errors.

Corrected Local Script (For Basic Use) #

If you're testing in a single-player game or trust the users accessing this GUI, here's a fixed version of your script with explanations:

-- Get references to your GUI input elements first
local playerNameInput = script.Parent.Parent.casgplayertext -- Your player name input box
local cashAmountInput = script.Parent.Parent.cashetxt       -- Your cash value input box
local setCashButton = script.Parent                         -- The button itself

-- Connect the button click event (use :Connect() instead of :connect() for modern Roblox Lua)
setCashButton.MouseButton1Click:Connect(function()
    -- Clean up input (remove extra spaces) and convert cash to a number
    local targetPlayerName = string.trim(playerNameInput.Text)
    local targetCashAmount = tonumber(cashAmountInput.Text)

    -- Validate input to avoid errors
    if not targetPlayerName or targetPlayerName == "" then
        warn("Please enter a valid player name!")
        return
    end

    if not targetCashAmount or targetCashAmount < 0 then -- Prevent negative cash (adjust if needed)
        warn("Please enter a valid positive cash amount!")
        return
    end

    -- Find the player by name (only works if they're online)
    local targetPlayer = game.Players:FindFirstChild(targetPlayerName)
    if not targetPlayer then
        warn("Player " .. targetPlayerName .. " is not online!")
        return
    end

    -- Create a Stats folder (best practice to organize player stats) if it doesn't exist
    local statsFolder = targetPlayer:FindFirstChild("Stats")
    if not statsFolder then
        statsFolder = Instance.new("Folder")
        statsFolder.Name = "Stats"
        statsFolder.Parent = targetPlayer
    end

    -- Find or create the Cash IntValue
    local cashValue = statsFolder:FindFirstChild("Cash")
    if not cashValue then
        cashValue = Instance.new("IntValue")
        cashValue.Name = "Cash"
        cashValue.Parent = statsFolder
    end

    -- Set the cash value and confirm success
    cashValue.Value = targetCashAmount
    print("Successfully set " .. targetPlayerName .. "'s cash to " .. targetCashAmount)
end)

Secure Multi-Player Implementation (Recommended) #

For multi-player games, modifying player stats directly in a LocalScript is risky—players can tamper with local code to cheat. Instead, use a RemoteEvent to let the server handle the cash update, and add admin validation:

Step 1: Set Up the RemoteEvent #

1. Go to ReplicatedStorage in the Explorer
2. Right-click → Insert Object → RemoteEvent, name it SetPlayerCash

Step 2: Update the LocalScript #

Replace your existing LocalScript with this—it sends a request to the server instead of modifying stats directly:

local playerNameInput = script.Parent.Parent.casgplayertext
local cashAmountInput = script.Parent.Parent.cashetxt
local setCashButton = script.Parent
local remoteEvent = game.ReplicatedStorage.SetPlayerCash

setCashButton.MouseButton1Click:Connect(function()
    local targetPlayerName = string.trim(playerNameInput.Text)
    local targetCashAmount = tonumber(cashAmountInput.Text)

    if not targetPlayerName or targetPlayerName == "" then
        warn("Please enter a valid player name!")
        return
    end

    if not targetCashAmount or targetCashAmount < 0 then
        warn("Please enter a valid positive cash amount!")
        return
    end

    -- Send the request to the server
    remoteEvent:FireServer(targetPlayerName, targetCashAmount)
end)

Step 3: Create a Server Script #

Go to ServerScriptService, insert a new Script, and add this code to handle the request securely:

local remoteEvent = game.ReplicatedStorage.SetPlayerCash
-- Replace these with the UserIDs of your trusted admins
local ADMIN_USER_IDS = {123456, 789012} 

remoteEvent.OnServerEvent:Connect(function(requestingPlayer, targetPlayerName, targetCashAmount)
    -- Check if the person requesting is an admin
    if not table.find(ADMIN_USER_IDS, requestingPlayer.UserId) then
        warn(requestingPlayer.Name .. " tried to modify player cash without admin permissions!")
        return
    end

    -- Find the target player
    local targetPlayer = game.Players:FindFirstChild(targetPlayerName)
    if not targetPlayer then
        warn("Player " .. targetPlayerName .. " is not online!")
        return
    end

    -- Create Stats folder if needed
    local statsFolder = targetPlayer:FindFirstChild("Stats") or Instance.new("Folder")
    statsFolder.Name = "Stats"
    statsFolder.Parent = targetPlayer

    -- Create or update Cash value
    local cashValue = statsFolder:FindFirstChild("Cash") or Instance.new("IntValue")
    cashValue.Name = "Cash"
    cashValue.Parent = statsFolder
    cashValue.Value = targetCashAmount

    print(requestingPlayer.Name .. " set " .. targetPlayerName .. "'s cash to " .. targetCashAmount)
end)

内容的提问来源于stack exchange，提问作者Kyle Bown