'commit'

dsSupport/Business/Preview/PreviewController/PreviewController.go

@@ -3,12 +3,15 @@ package PreviewController
 import (
 	"dsSupport/Const"
 	"dsSupport/Utils/CommonUtil"
+	"dsSupport/Utils/FileUtil"
 	"dsSupport/Utils/ObsUtil"
 	"encoding/base64"
 	"github.com/gin-gonic/gin"
-	"log"
+	"io"
 	"net/http"
+	"os"
 	"path/filepath"
+	"strings"
 )
 
 //模块的路由配置
@@ -30,11 +33,32 @@ func previewOffice(c *gin.Context) {
 	uEnc := c.Query("p")
 	uDec, err := base64.URLEncoding.DecodeString(uEnc)
 	if err != nil {
-		log.Fatalln(err)
+		c.String(http.StatusOK, "输入的参数p转为base64Url时失败，请确认是否未经Base64.URLEdcoding进行加码!")
+		return
 	}
 	fullPath := string(uDec)
 	//(1) 是否以http或https开头
-
+	if strings.HasPrefix(strings.ToLower(fullPath), "https://") || strings.HasPrefix(strings.ToLower(fullPath), "http://") {
+		//下载
+		res, err := http.Get(fullPath)
+		if err != nil {
+			c.String(http.StatusOK, "输入的网络地址无法找到，不能进行预览!")
+			return
+		}
+		//文件名称
+		arr := strings.Split(fullPath, "/")
+		fi := arr[len(arr)-1]
+		fullPath = CommonUtil.GetCurrentPath() + "/TempFiles/" + fi
+		if FileUtil.Exists(fullPath) {
+			os.Remove(fullPath)
+		}
+		f, err := os.Create(fullPath)
+		if err != nil {
+			c.String(http.StatusOK, "创建文件时发生读写错误:"+err.Error())
+			return
+		}
+		io.Copy(f, res.Body)
+	}
 	//(2) 是不是本地文件
 	_, p := filepath.Split(fullPath)
 

dsSupport/Test/PreviewTest/PreviewTest.go

@@ -7,17 +7,25 @@ import (
 	"net/http"
 )
 
-func main() {
-	// 如果要用在url中，需要使用URLEncoding
-	input:="C:\\Users\\Administrator\\Desktop\\技术讨论会\\20A4782A-512C-40ED-8AF9-FCFC7CD29E5B.docx"
+func showPreview(input string){
 	uEnc := base64.URLEncoding.EncodeToString([]byte(input))
 	fmt.Println(uEnc)
 	//生成预览OFFICE的服务地址
-	url := "http://10.10.24.100:9000/support/preview/preview"
+	url := "http://10.10.24.100:9000/support/preview/previewOffice"
 	resp, _ := http.Get(url+"?p="+uEnc)
 	defer resp.Body.Close()
 	body, _ := ioutil.ReadAll(resp.Body)
 	fmt.Println(string(body))
+}
+
+func main() {
+	//(1)传入本地文件路径
+	// 如果要用在url中，需要使用URLEncoding
+	input:="C:\\Users\\Administrator\\Desktop\\技术讨论会\\20A4782A-512C-40ED-8AF9-FCFC7CD29E5B.docx"
+	showPreview(input)
+	//（2）传入http参数
+	input="https://dsideal.obs.cn-north-1.myhuaweicloud.com/Material/02/0200C9BE-07C6-4EFC-A945-8554C7D41790.doc"
+	showPreview(input)
 
 	//Java的调用方法示例：
 	//https://blog.csdn.net/orangleliu/article/details/38309367

dsSupport/Utils/CommonUtil/CommonUtil.go

@@ -7,6 +7,8 @@ import (
 	"log"
 	"os"
 	"os/exec"
+	"path/filepath"
+	"strings"
 )
 
 /**
@@ -65,3 +67,29 @@ func PathExists(path string) (bool, error) {
 	}
 	return false, err
 }
+
+
+/**
+功能：获取当前路径
+作者：黄海
+时间：2020-06-02
+*/
+func GetCurrentPath() string {
+	dir, _ := os.Getwd()
+	dir = strings.ReplaceAll(dir, "\\", "/")
+	return dir
+}
+/**
+功能：获取当前工作目录的父路径
+作者：黄海
+时间：2020-06-02
+*/
+func GetCurrentParentPath()string{
+	return GetParentPath(GetCurrentPath())
+}
+/**
+功能:返回上一级目录
+*/
+func GetParentPath(directory string) string {
+	return strings.Replace(filepath.Dir(directory), "\\", "/", -1)
+}

dsSupport/Utils/FileUtil/FileUtil.go

@@ -56,4 +56,3 @@ func WriteLines(lines []string, path string) error {
 	return w.Flush()
 }
 
-