尝试生成pdf文件

commands/update.go

@@ -0,0 +1,52 @@
+package commands
+
+import (
+	"os"
+	"net/http"
+	"github.com/astaxie/beego"
+	"encoding/json"
+	"io/ioutil"
+	"fmt"
+)
+
+func Update()  {
+	if len(os.Args) > 2 && os.Args[1] == "update" {
+
+		os.Exit(0)
+	}
+}
+
+//检查最新版本.
+func CheckUpdate() {
+
+	if len(os.Args) >= 2 && os.Args[1] == "version" {
+
+		resp, err := http.Get("https://api.github.com/repos/lifei6671/godoc/tags")
+
+		if err != nil {
+			beego.Error("CheckUpdate => ", err)
+			os.Exit(1)
+		}
+
+		defer resp.Body.Close()
+		body, err := ioutil.ReadAll(resp.Body)
+		if err != nil {
+			beego.Error("CheckUpdate => ", err)
+			os.Exit(1)
+		}
+
+		var result []*struct {
+			Name string `json:"name"`
+		}
+
+		err = json.Unmarshal(body, &result)
+
+		if err != nil {
+			beego.Error("CheckUpdate => ", err)
+			os.Exit(1)
+		}
+
+		fmt.Println("MinDoc last version => ",result[0].Name)
+		os.Exit(0)
+	}
+}