init

app/controllers/FileController.go

@@ -0,0 +1,105 @@
+package controllers
+
+import (
+	"github.com/revel/revel"
+//	"encoding/json"
+	. "github.com/leanote/leanote/app/lea"
+	"github.com/leanote/leanote/app/info"
+	"io/ioutil"
+	"os"
+)
+
+// 首页
+type File struct {
+	BaseController
+}
+
+// 上传图片 editor
+func (c File) UploadImage(renderHtml string) revel.Result {
+	if renderHtml == "" {
+		renderHtml = "file/image.html"
+	}
+	
+	re := c.uploadImage();
+	
+	c.RenderArgs["fileUrlPath"] = "http://leanote.com" + re.Id
+	c.RenderArgs["resultCode"] = re.Code
+	c.RenderArgs["resultMsg"] = re.Msg
+
+	return c.RenderTemplate(renderHtml)
+}
+
+// 上传的是博客logo
+func (c File) UploadBlogLogo() revel.Result {
+	return c.UploadImage("file/blog_logo.html");
+}
+
+// 拖拉上传
+func (c File) UploadImageJson(renderHtml string) revel.Result {
+	re := c.uploadImage();
+	re.Id = "http://leanote.com" + re.Id
+//	re.Id = re.Id
+	return c.RenderJson(re)
+}
+
+// 上传图片, 公用方法
+func (c File) uploadImage() (re info.Re) {
+	var fileUrlPath = ""
+	var resultCode = 0 // 1表示正常
+	var resultMsg = "内部错误" // 错误信息
+	
+	defer func() {
+		re.Id = fileUrlPath
+		re.Code = resultCode
+		re.Msg = resultMsg
+	}()
+	
+	file, handel, err := c.Request.FormFile("file")
+	if err != nil {
+		return re
+	}
+	defer file.Close()
+	// 生成上传路径
+	fileUrlPath = "/upload/" + c.GetUserId() + "/images"
+	dir := revel.BasePath + "/public/" + fileUrlPath
+	err = os.MkdirAll(dir, 0755)
+	if err != nil {
+		Log(err)
+		return re
+	}
+	// 生成新的文件名
+	filename := handel.Filename
+	_, ext := SplitFilename(filename)
+	if(ext != ".gif" && ext != ".jpg" && ext != ".png" && ext != ".bmp" && ext != ".jpeg") {
+		resultMsg = "不是图片"
+		return re
+	}
+	filename = NewGuid() + ext
+	data, err := ioutil.ReadAll(file)
+	if err != nil {
+		LogJ(err)
+		return re
+	}
+	
+	// > 2M?
+	if(len(data) > 5 * 1024 * 1024) {
+		resultCode = 0
+		resultMsg = "图片大于2M"
+		return re
+	}
+	
+	toPath := dir + "/" + filename;
+	err = ioutil.WriteFile(toPath, data, 0777)
+	if err != nil {
+		LogJ(err)
+		return re
+	}
+	// 改变成gif图片
+	_, toPathGif := TransToGif(toPath, 0, true)
+	
+	fileUrlPath += "/" + GetFilename(toPathGif)
+	resultCode = 1
+	resultMsg = "上传成功!"
+	
+	return re
+}