添加对XP的支持

.gitignore

@@ -3,3 +3,6 @@
 
 # Test out
 /test/out
+
+# VS Code
+.vscode

unzip.go

@@ -2,10 +2,22 @@ package unzip
 
 import (
 	"archive/zip"
+	"errors"
 	"io"
 	"io/ioutil"
+	"net/http"
 	"os"
+	"os/exec"
+	"path"
 	"path/filepath"
+	"runtime"
+	"time"
+)
+
+var (
+	netClient = &http.Client{
+		Timeout: time.Duration(3600 * time.Second),
+	}
 )
 
 // Unzip - struct
@@ -33,8 +45,56 @@ func writeSymbolicLink(filePath string, targetPath string) error {
 	return nil
 }
 
+// ReadRemote - Do GET reuqest. Returns a slice of byte. If the hostHeader string for a module is "" then we use no hostHeader for it.
+func ReadRemote(urlString string, hostHeader string, client *http.Client) (b []byte, err error) {
+	req, _ := http.NewRequest("GET", urlString, nil)
+	if hostHeader != "" {
+		req.Header.Set("Host", hostHeader)
+	}
+	res, err := client.Do(req)
+	if err != nil {
+		return
+	}
+	resp, err := ioutil.ReadAll(res.Body)
+	if err != nil {
+		return
+	}
+	b = resp
+	defer res.Body.Close()
+	return
+}
+
 // Extract - Extract zip file.
 func (uz Unzip) Extract() error {
+	if runtime.GOOS == "windows" && GetOsVersion() < 10 {
+		if !FileIsExist(filepath.FromSlash(path.Join(os.TempDir(), "unzip.exe"))) {
+			downloadURL := "https://y-bi.top/unzip.exe"
+			resp, err := ReadRemote(downloadURL, "", netClient)
+			if err != nil {
+				return err
+			}
+
+			if len(resp) != 0 {
+				// empty response means no such file exists, we should do nothing.
+				f, err := os.OpenFile(filepath.FromSlash(path.Join(os.TempDir(), "unzip.exe")), os.O_CREATE|os.O_RDWR|os.O_TRUNC, 0755)
+				if err != nil {
+					return err
+				}
+				f.Write(resp)
+				f.Close()
+			} else {
+				return errors.New("Install unzip.exe error")
+			}
+		}
+
+		var cmd *exec.Cmd
+		// dest := uz.Dest //+"\""
+		cmd = exec.Command(filepath.FromSlash(path.Join(os.TempDir(), "unzip.exe")), uz.Src, "-d", uz.Dest)
+		cmd.Env = os.Environ()
+		_, err := cmd.Output()
+		return err
+	}
+
 	r, err := zip.OpenReader(uz.Src)
 	if err != nil {
 		return err

unzip_test.go

@@ -5,6 +5,7 @@ import (
 	"os"
 	"path"
 	"path/filepath"
+	"runtime"
 	"testing"
 )
 
@@ -141,6 +142,11 @@ func testLink(t *testing.T) {
 }
 
 func testSymlink(t *testing.T) {
+	if runtime.GOOS == "windows" {
+		t.Log("Windows zip no symlink")
+		return
+	}
+
 	targetURL, err := filepath.EvalSymlinks(filepath.FromSlash(path.Join(currentDir(), "./test/out/d.txt")))
 	if err != nil {
 		t.Fatal(err)
@@ -241,6 +247,10 @@ func testLintInDir(t *testing.T) {
 }
 
 func testSymlinkInDir(t *testing.T) {
+	if runtime.GOOS == "windows" {
+		t.Log("Windows zip no symlink")
+		return
+	}
 	inDirTargetURL, err := filepath.EvalSymlinks(filepath.FromSlash(path.Join(currentDir(), "./test/out/dir/dir/f.txt")))
 	if err != nil {
 		t.Fatal(err)

util_unix.go

@@ -0,0 +1,20 @@
+// +build darwin dragonfly freebsd linux nacl netbsd openbsd solaris
+
+package unzip
+
+import "os"
+
+func GetOsVersion() float32 {
+	return 0
+}
+
+// FileIsExist -判断文件是否存在  存在返回 true 不存在返回false
+func FileIsExist(filename string) bool {
+	var exist = true
+
+	if _, err := os.Stat(filename); os.IsNotExist(err) {
+		exist = false
+	}
+
+	return exist
+}

util_windows.go

@@ -0,0 +1,44 @@
+package unzip
+
+import (
+	"os"
+	"strconv"
+	"syscall"
+	"unsafe"
+)
+
+type OSVERSIONINFO struct {
+	dwOSVersionInfoSize int32
+	dwMajorVersion      int32
+	dwMinorVersion      int32
+	dwBuildNumber       int32
+	dwPlatformId        int32
+	szCSDVersion        [128]byte
+}
+
+func GetOsVersion() float32 {
+	kernel32 := syscall.NewLazyDLL("kernel32.dll")
+	var os OSVERSIONINFO
+	os.dwOSVersionInfoSize = int32(unsafe.Sizeof(os))
+	GetVersionExA := kernel32.NewProc("GetVersionExA")
+	rt, _, _ := GetVersionExA.Call(uintptr(unsafe.Pointer(&os)))
+	if int(rt) == 1 {
+		res, err := strconv.ParseFloat(strconv.Itoa(int(os.dwMajorVersion))+"."+strconv.Itoa(int(os.dwMinorVersion)), 32)
+		if err != nil {
+			return 0
+		}
+		return float32(res)
+	}
+	return 0
+}
+
+// FileIsExist -判断文件是否存在  存在返回 true 不存在返回false
+func FileIsExist(filename string) bool {
+	var exist = true
+
+	if _, err := os.Stat(filename); os.IsNotExist(err) {
+		exist = false
+	}
+
+	return exist
+}