Golang Post.Read方法代碼示例

//批處理
func (this *ArticleController) Batch() {
	ids := this.GetStrings("ids[]")
	op := this.GetString("op")

	idarr := make([]int64, 0)
	for _, v := range ids {
		if id, _ := strconv.Atoi(v); id > 0 {
			idarr = append(idarr, int64(id))
		}
	}

	var post models.Post

	switch op {
	case "topub": //移到已發布
		post.Query().Filter("id__in", idarr).Update(orm.Params{"status": 0})
	case "todrafts": //移到草稿箱
		post.Query().Filter("id__in", idarr).Update(orm.Params{"status": 1})
	case "totrash": //移到回收站
		post.Query().Filter("id__in", idarr).Update(orm.Params{"status": 2})
	case "delete": //批量刪除
		for _, id := range idarr {
			obj := models.Post{Id: id}
			if obj.Read() == nil {
				obj.Delete()
			}
		}
	}

	this.Redirect(this.Ctx.Request.Referer(), 302)
}

//文章顯示
func (this *MainController) Show() {
	var (
		post models.Post
		err  error
	)

	urlname := this.Ctx.Input.Param(":urlname")
	if urlname != "" {
		post.Urlname = urlname
		err = post.Read("urlname")
	} else {
		id, _ := strconv.Atoi(this.Ctx.Input.Param(":id"))
		post.Id = int64(id)
		err = post.Read()
	}
	if err != nil || post.Status != 0 {
		this.Abort("404")
	}

	post.Views++
	post.Update("Views")

	this.Data["post"] = post
	this.setHeadMetas(post.Title, strings.Trim(post.Tags, ","), post.Title)
	this.display("article")
}

//刪除
func (this *ArticleController) Delete() {
	id, _ := this.GetInt("id")
	post := models.Post{Id: id}
	if post.Read() == nil {
		post.Delete()
	}
	this.Redirect("/admin/article/list", 302)
}

//編輯
func (this *ArticleController) Edit() {
	id, _ := this.GetInt("id")
	post := models.Post{Id: id}
	if post.Read() != nil {
		this.Abort("404")
	}
	post.Tags = strings.Trim(post.Tags, ",")
	this.Data["post"] = post
	this.display()
}

//保存
func (this *ArticleController) Save() {
	var (
		id      int64  = 0
		title   string = strings.TrimSpace(this.GetString("title"))
		content string = this.GetString("content")
		tags    string = strings.TrimSpace(this.GetString("tags"))
		urlname string = strings.TrimSpace(this.GetString("urlname"))
		color   string = strings.TrimSpace(this.GetString("color"))
		status  int64  = 0
		istop   int8   = 0
		urltype int8   = 1
		post    models.Post
	)

	if title == "" {
		this.showmsg("標題不能為空！")
	}

	id, _ = this.GetInt("id")
	status, _ = this.GetInt("status")

	if this.GetString("istop") == "1" {
		istop = 1
	}
	if this.GetString("urltype") == "2" {
		urltype = 2
	}
	if status != 1 && status != 2 {
		status = 0
	}

	addtags := make([]string, 0)
	//標簽過濾
	if tags != "" {
		tagarr := strings.Split(tags, ",")
		for _, v := range tagarr {
			if tag := strings.TrimSpace(v); tag != "" {
				exists := false
				for _, vv := range addtags {
					if vv == tag {
						exists = true
						break
					}
				}
				if !exists {
					addtags = append(addtags, tag)
				}
			}
		}
	}

	if id < 1 {
		post.Userid = this.userid
		post.Author = this.username
		post.Posttime = this.getTime()
		post.Insert()
	} else {
		post.Id = id
		if post.Read() != nil {
			goto RD
		}
		if post.Tags != "" {
			var tagobj models.Tag
			var tagpostobj models.TagPost
			oldtags := strings.Split(strings.Trim(post.Tags, ","), ",")
			//標簽統計-1
			tagobj.Query().Filter("name__in", oldtags).Update(orm.Params{"count": orm.ColValue(orm.Col_Minus, 1)})
			//刪掉tag_post表的記錄
			tagpostobj.Query().Filter("postid", post.Id).Delete()
		}
	}

	if len(addtags) > 0 {
		for _, v := range addtags {
			tag := models.Tag{Name: v}
			if tag.Read("Name") == orm.ErrNoRows {
				tag.Count = 1
				tag.Insert()
			} else {
				tag.Count += 1
				tag.Update("Count")
			}
			tp := models.TagPost{Tagid: tag.Id, Postid: post.Id, Poststatus: int8(status), Posttime: this.getTime()}
			tp.Insert()
		}
		post.Tags = "," + strings.Join(addtags, ",") + ","
	}

	post.Status = int8(status)
	post.Title = title
	post.Color = color
	post.Istop = istop
	post.Content = content
	post.Urlname = urlname
	post.Urltype = urltype
	post.Updated = this.getTime()
	post.Update()

RD:
//.........這裏部分代碼省略.........