模板自定义函数多个参数

fssc/by.bat

@@ -0,0 +1,8 @@
+@echo off
+title 控制台中心服务FOR LINUX
+color 16
+set GOOS=linux
+set GOARCH=amd64
+set CGO_ENABLED=0
+
+go build -o fstc main.go

fssc/internal/handler/webconsole.go

@@ -84,16 +84,17 @@ func WebConsole(w http.ResponseWriter, r *http.Request) {
 		data.FileName = filepath.Base(realFilePath)
 	}
 	// add self template function
-	fmap := template.FuncMap{"b64en": util.Bas64end}
+	fmap := template.FuncMap{"b64en": util.Bas64end, "hshcal": util.CalacHash}
 	// 文件列表模板
 	tmpl, err := template.New("console").Funcs(fmap).Parse(web.WbConsole)
 	if err != nil {
-		http.Error(w, err.Error(), http.StatusInternalServerError)
+		// http.Error(w, err.Error(), http.StatusInternalServerError)
 		return
 	}
 	err = tmpl.Execute(w, data)
 	if err != nil {
 		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
 	}
 
 }

fssc/internal/util/util.go

@@ -2,6 +2,7 @@ package util
 
 import (
 	"archive/zip"
+	"crypto/sha256"
 	"encoding/base64"
 	"fmt"
 	"fssc/config"
@@ -250,3 +251,32 @@ func Base64dec(bsstr string) string {
 	dedc, _ := base64.URLEncoding.DecodeString(bsstr)
 	return string(dedc)
 }
+
+// 计算文件的hash
+func CalacHash(rfile string, relpath string) string {
+	// 获取到真实地址
+	rpath := filepath.Join(config.G.FilePath, rfile)
+	// fmt.Printf("hash file calac is :%s\n", rpath)
+	// if os.IsNotExist(rpath) {
+	// 	return "0x00"
+	// }
+	//
+	file, err := os.Open(rpath)
+	if err != nil {
+		panic(err)
+	}
+	defer file.Close()
+
+	// initlize hash object
+	hash := sha256.New()
+
+	// write file into hash object
+	if _, err := io.Copy(hash, file); err != nil {
+		panic(err)
+	}
+	// get hash value
+	hashBytes := hash.Sum(nil)
+	//converto to hash string
+	hastString := fmt.Sprintf("%x", hashBytes)
+	return hastString
+}

fssc/web/wbconsole.tmpl

@@ -105,6 +105,7 @@
 							{{ else }}
 							<span class="icon file-icon"></span>
 							<a href="javascript:void(0);">{{.Name}}</a>
+							HASH256: {{.Name $.DownloadPath|hshcal}}
 							{{ end }}
 
 						</div>