Golang Post.Update方法代碼示例

//文章顯示
func (this *MainController) Show() {
	var (
		post *models.Post = new(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.Redirect("/404.html", 302)
	}
	post.Views++
	post.Update("Views")
	models.Cache.Delete("hotblog")
	post.Content = strings.Replace(post.Content, "_ueditor_page_break_tag_", "", -1)
	pre, next := post.GetPreAndNext()
	this.Data["post"] = post
	this.Data["pre"] = pre
	this.Data["next"] = next
	this.Data["smalltitle"] = "文章內容"
	if urlname == "about.html" {
		this.Data["smalltitle"] = "關於我"
	}

	this.setHeadMetas(post.Title, strings.Trim(post.Tags, ","), post.Title)
	this.display("article")
}

//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"))
		cover   string = strings.TrimSpace(this.GetString("cover"))
		timestr string = strings.TrimSpace(this.GetString("posttime"))
		status  int64  = 0
		istop   int8   = 0
		urltype int8   = 0
		post    models.Post
	)

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

	id, _ = this.GetInt64("id")
	status, _ = this.GetInt64("status")

	if this.GetString("istop") == "1" {
		istop = 1
	}
	if this.GetString("urltype") == "1" {
		urltype = 1
	}
	if status != 1 && status != 2 {
		status = 0
	}
	if cover == "" {
		cover = "/static/upload/defaultcover.png"
	}
	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.Updated = this.getTime()
		post.Insert()
		models.Cache.Delete("latestblog")
	} 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.ColMinus, 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, ",") + ","
	}
	if posttime, err := time.Parse("2006-01-02 15:04:05", timestr); err == nil {
		post.Posttime = posttime
	} else {
		post.Posttime, _ = time.Parse("2006-01-02 15:04:05", post.Posttime.Format("2006-01-02 15:04:05"))
	}
	post.Status = int8(status)
//.........這裏部分代碼省略.........