u

go.mod

@@ -19,6 +19,7 @@ require (
 	fyne.io/systray v1.11.0 // indirect
 	github.com/BurntSushi/toml v1.4.0 // indirect
 	github.com/andybalholm/brotli v1.0.4 // indirect
+	github.com/atotto/clipboard v0.1.4 // indirect
 	github.com/bmizerany/pq v0.0.0-20131128184720-da2b95e392c1 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/fredbi/uri v1.1.0 // indirect

go.sum

@@ -55,6 +55,8 @@ github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kd
 github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e/go.mod h1:3U/XgcO3hCbHZ8TKRvWD2dDTCfh9M9ya+I9JpbB7O8o=
 github.com/armon/go-metrics v0.0.0-20180917152333-f0300d1749da/go.mod h1:Q73ZrmVTwzkszR9V5SSuryQ31EELlFMUz1kKyl939pY=
 github.com/armon/go-radix v0.0.0-20180808171621-7fddfc383310/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8=
+github.com/atotto/clipboard v0.1.4 h1:EH0zSVneZPSuFR11BlR9YppQTVDbh5+16AmcJi4g1z4=
+github.com/atotto/clipboard v0.1.4/go.mod h1:ZY9tmq7sm5xIbd9bOK4onWV4S6X0u6GY7Vn0Yu86PYI=
 github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
 github.com/bketelsen/crypt v0.0.4/go.mod h1:aI6NrJ0pMGgvZKL1iVgXLnfIFJtfV+bKCoqOes/6LfM=
 github.com/bmizerany/pq v0.0.0-20131128184720-da2b95e392c1 h1:1clOQIolnXGoH1SUo8ZPgdfOWFp/6i8NuRerrVL/TAc=

main_windows.go

@@ -7,6 +7,7 @@ import (
 	"log"
 
 	"goodlink/theme"
+	"goodlink/tools"
 	"goodlink/ui2"
 
 	_ "embed"
@@ -18,6 +19,7 @@ import (
 	"fyne.io/fyne/v2/driver/desktop"
 	"fyne.io/fyne/v2/layout"
 	"fyne.io/fyne/v2/widget"
+	"github.com/atotto/clipboard"
 )
 
 var (
@@ -65,13 +67,18 @@ func main() {
 	}
 
 	keyValidated = widget.NewEntry()
-	keyValidated.SetPlaceHolder("请自定义16-32长度字符串")
+	keyValidated.SetPlaceHolder("自定义16-32字节长度")
 
 	key_create_button := widget.NewButton("生成密钥", func() {
+		keyValidated.SetText(tools.RandomString(16))
 	})
 	key_copy_button := widget.NewButton("复制密钥", func() {
+		clipboard.WriteAll(keyValidated.Text)
 	})
 	key_paste_button := widget.NewButton("粘贴密钥", func() {
+		if s, err := clipboard.ReadAll(); err == nil {
+			keyValidated.SetText(s)
+		}
 	})
 
 	localUI := ui2.NewLocalUI(&myWindow)

tools/tools.go

@@ -2,18 +2,22 @@ package tools
 
 import (
 	"crypto/rand"
-	"encoding/base64"
-	"io"
+	"math/big"
 	"net"
 )
 
 func RandomString(length int) string {
-	k := make([]byte, length)
-	_, err := io.ReadFull(rand.Reader, k)
-	if err != nil {
-		panic(err.Error())
+	bytes := make([]byte, length)
+	charset := "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
+	for i := 0; i < length; {
+		bint, err := rand.Int(rand.Reader, big.NewInt(int64(len(charset))))
+		if err != nil {
+			return ""
+		}
+		bytes[i] = charset[bint.Int64()]
+		i++
 	}
-	return base64.StdEncoding.EncodeToString(k)
+	return string(bytes)
 }
 
 // 检测未使用的端口