完整一个go界面程序(此程序主要是对文件进行加解密)

tianlijun · · 296 次点击 · · 开始浏览    
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***文件目录*** 文件 main.go ``` package main import ( "bufio" "fmt" "github.com/lxn/walk" . "github.com/lxn/walk/declarative" _ "io" "io/ioutil" _ "log" "os" "path/filepath" _ "strings" ) // var le *walk.LineEdit // var sport *walk.CheckBox type MyMainWindow struct { *walk.MainWindow edit_fileName *walk.TextEdit edit_fileName_flag bool edit_Key *walk.TextEdit Label *walk.LinkLabel fileName string } func main() { mw := &MyMainWindow{} err := MainWindow{ AssignTo: &mw.MainWindow, Title: "文件选择框对话框", MinSize: Size{Width: 300, Height: 200}, MaxSize: Size{Width: 600, Height: 200}, Size: Size{Width: 600, Height: 200}, Layout: VBox{}, Children: []Widget{ GroupBox{ Layout: HBox{}, Children: []Widget{ LinkLabel{ Text: "文件路径:", MinSize: Size{Width: 60, Height: 20}, MaxSize: Size{Width: 60, Height: 20}, }, TextEdit{ Text: "请选择文件", AssignTo: &mw.edit_fileName, MinSize: Size{Width: 400, Height: 20}, MaxSize: Size{Width: 400, Height: 20}, }, PushButton{ Text: "打开文件", MinSize: Size{Width: 60, Height: 40}, MaxSize: Size{Width: 60, Height: 40}, OnClicked: mw.selectFile, }, }, MinSize: Size{Width: 550, Height: 60}, MaxSize: Size{Width: 550, Height: 60}, }, GroupBox{ Layout: HBox{}, Children: []Widget{ LinkLabel{ Text: "key:", MinSize: Size{Width: 60, Height: 20}, MaxSize: Size{Width: 60, Height: 20}, }, TextEdit{ Text: "", AssignTo: &mw.edit_Key, MinSize: Size{Width: 400, Height: 20}, MaxSize: Size{Width: 400, Height: 20}, }, PushButton{ MinSize: Size{Width: 60, Height: 60}, MaxSize: Size{Width: 60, Height: 60}, Text: "解密", OnClicked: mw.saveFile, }, }, MinSize: Size{Width: 550, Height: 60}, MaxSize: Size{Width: 550, Height: 60}, }, LinkLabel{ Text: "执行结果", AssignTo: &mw.Label, MinSize: Size{Width: 550, Height: 60}, MaxSize: Size{Width: 550, Height: 60}, }, }, }.Create() if err != nil { fmt.Fprintln(os.Stderr, err) os.Exit(1) } mw.Run() } func (mw *MyMainWindow) selectFile() { dlg := new(walk.FileDialog) dlg.Title = "选择文件" dlg.Filter = "所有文件(*.*)|*.*" mw.edit_fileName.SetText("") mw.edit_fileName_flag = false if ok, err := dlg.ShowOpen(mw); err != nil { mw.edit_fileName.SetText("Error: File Open\r\n") return } else if !ok { mw.edit_fileName.SetText("未选择文件\r\n") return } mw.edit_fileName_flag = true mw.fileName = dlg.FilePath s := fmt.Sprintf(" %s\r\n", dlg.FilePath) mw.edit_fileName.SetText(s) } //自己编写一个函数,接收两个文件路径 srcFileName dstFileName func (mw *MyMainWindow) CopyFile(srcFileName string, dstFileName string) (written int, err error) { content, err := ioutil.ReadFile(srcFileName) if err != nil { fmt.Printf("read file err=%v", err) } //打开dstFileName dstFile, err := os.OpenFile(dstFileName, os.O_WRONLY|os.O_CREATE, 0666) if err != nil { fmt.Printf("open file err=%v\n", err) return } defer dstFile.Close() //通过dstFile, 获取到 Writer writer := bufio.NewWriter(dstFile) //输出内容 key := mw.edit_Key.Text() encrypt_stream(content, len(content), key, 4096) writer.Write(content) writer.Flush() return } func (mw *MyMainWindow) saveFile() { if !mw.edit_fileName_flag { mw.Label.SetText("通知【没有选择文件】") return } if mw.edit_Key.TextLength() == 0 { mw.Label.SetText("通知【没有输入key】") return } //fileName := "F:\\桌面\\web下载\\123.xls" filePwd, fileName := filepath.Split(mw.fileName) outfileName := filePwd + "New" + fileName _, err := mw.CopyFile(mw.fileName, outfileName) if err != nil { fmt.Println("ReadBlck err ", err) mw.Label.SetText("执行失败") return } mw.Label.SetText("通知【解密完成,文件名称为:" + outfileName + "】") } ``` 文件 NasHash.go ``` package main import "strconv" // #define HASH_INITVAL 0xdeadbeef const ( HASH_INITVAL = 0xdeadbeef ) // C #define rofine(word,shift) ((word << shift)|(word >>(32-shift))) func rol32(word uint64, shift int64) uint64 { return word<<shift | word<<(32-shift) } //C nashash2 func nashash2(a uint64, b uint64, c uint64) uint64 { c = -rol32(b, 14) a ^= b a -= rol32(c, 11) b ^= a b -= rol32(a, 25) c ^= b c -= rol32(b, 16) a ^= c a -= rol32(c, 4) b ^= a b -= rol32(a, 14) c ^= b c -= rol32(b, 24) return c } func encrypt_stream(data []byte, n int, key string, pos uint64) int { intNum, _ := strconv.ParseInt(key, 10, 64) int64Num := uint64(intNum) var i int var a uint64 var b uint64 var c uint64 a = HASH_INITVAL + 4 + uint64(int64Num) b = HASH_INITVAL + 4 + uint64(int64Num) c = HASH_INITVAL + 4 + uint64(int64Num) a += pos for i = 0; i < n; i++ { byte1 := nashash2(a, b, c) & 0xFF data[i] ^= byte(byte1) a++ } return 0 } func decrypt_stream(data []byte, n int, key string, pos uint64) int { intNum, _ := strconv.ParseInt(key, 10, 64) int64Num := uint64(intNum) var i int var a uint64 var b uint64 var c uint64 a = HASH_INITVAL + 4 + uint64(int64Num) b = HASH_INITVAL + 4 + uint64(int64Num) c = HASH_INITVAL + 4 + uint64(int64Num) a += pos for i = 0; i < n; i++ { byte1 := nashash2(a, b, c) & 0xFF data[i] ^= byte(byte1) a++ } return 0 } ``` 效果图 ![hash.png](https://static.studygolang.com/200514/c140b1f9dba2d8d668571c04a833fef1.png)

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