Password Generator- Fyne GUI Golang tutorial 29, 30, 31
This is a complete guide to Fyne GUI Golang password generator
In this in-depth guide you will learn:
- How to create a fyne GUI for password generator
- How to generate passwords randomly
- How to code a logic for password generator in golang
- complete beginner friendly tutorial
- lots more
Password Generator- Fyne GUI Golang tutorial 30
Password Generator- Fyne GUI Golang tutorial 31
package main import ( "fmt" "image/color" "math/rand" "strconv" "time" // import fyne "fyne.io/fyne/v2" "fyne.io/fyne/v2/app" "fyne.io/fyne/v2/canvas" "fyne.io/fyne/v2/container" "fyne.io/fyne/v2/widget" ) func main() { // New App a := app.New() // New title and window w := a.NewWindow("Password Generator") // resize window w.Resize(fyne.NewSize(400, 400)) title := canvas.NewText("Password Generator", color.Black) // input Box input := widget.NewEntry() input.SetPlaceHolder("Enter password length") //label to show password text := canvas.NewText("", color.Black) text.TextSize = 20 // button to generate password btn1 := widget.NewButton("Generate", func() { // input passlength, _ := strconv.Atoi(input.Text) // convert string to integer text.Text = PasswordGenerator(passlength) text.Refresh() }) // show content w.SetContent( container.NewVBox( // put all widgets here title, input, text, btn1, ), ) w.ShowAndRun() // Fyne appp } // Converting the code to a function func PasswordGenerator(passwordLength int) string { // Password Generator // Lower case lowCase := "abcdefghijklmnopqrstuvxyz" // Upper Case upCase := "ABCDEFGHIJKLMNOPQRSTUVXYZ" // Numbers Numbers := "0123456789" // Special characters SpecialChar := "£$&()*+[]@#^-_!?" // Password Length // passwordLength := 8 // variable for storing password password := "" // loop for n := 0; n < passwordLength; n++ { // Now random characters rand.Seed(time.Now().UnixNano()) randNum := rand.Intn(4) fmt.Println(randNum) // Switch statment switch randNum { case 0: rand.Seed(time.Now().UnixNano()) randNum := rand.Intn(len(lowCase)) // len to find lenth of slice/array // NOw we will store the generated passowrd character password = password + string(lowCase[randNum]) // it is byte... we need string // first case completed case 1: rand.Seed(time.Now().UnixNano()) randNum := rand.Intn(len(upCase)) // len to find lenth of slice/array // NOw we will store the generated passowrd character password = password + string(upCase[randNum]) // it is byte... we need string // second done 🙂 case 2: rand.Seed(time.Now().UnixNano()) randNum := rand.Intn(len(Numbers)) // len to find lenth of slice/array // NOw we will store the generated passowrd character password = password + string(Numbers[randNum]) // it is byte... we need string // 3rd done 🙂 case 3: rand.Seed(time.Now().UnixNano()) randNum := rand.Intn(len(SpecialChar)) // len to find lenth of slice/array // NOw we will store the generated passowrd character password = password + string(SpecialChar[randNum]) // it is byte... we need string } // end of switch } // end of for loop fmt.Println(password) // return password return password }
Fyne GoLang GUI Course
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