博客代码欣赏（beego）

package blog

import (
    "github.com/jxufeliujj/blog/models"
    "strconv"
    "strings"
)

type MainController struct {
    baseController
}

//首页, 只显示前N条
func (this *MainController) Index() {
    var list []*models.Post
    query := new(models.Post).Query().Filter("status", 0).Filter("urltype", 0)
    count, _ := query.Count()
    if count > 0 {
        query.OrderBy("-istop", "-views").Limit(this.pagesize, (this.page-1)*this.pagesize).All(&list)
    }
    this.Data["list"] = list
    this.Data["pagebar"] = models.NewPager(int64(this.page), int64(count), int64(this.pagesize), "/index%d.html").ToString()
    this.setHeadMetas()
    this.display("index")
}

//blog分页显示
func (this *MainController) BlogList() {
    var list []*models.Post
    query := new(models.Post).Query().Filter("status", 0).Filter("urltype", 0)
    count, _ := query.Count()
    if count > 0 {
        query.OrderBy("-istop", "-posttime").Limit(this.pagesize, (this.page-1)*this.pagesize).All(&list)
    }
    this.Data["list"] = list
    this.Data["pagebar"] = models.NewPager(int64(this.page), int64(count), int64(this.pagesize), "/life%d.html").ToString()
    this.setHeadMetas("成长录")
    this.display("life")
}

//留言板
func (this *MainController) Book() {
    this.setHeadMetas("留言板")
    this.right = "about.html"
    this.display("book")
}

//留404页面
func (this *MainController) Go404() {
    this.setHeadMetas("Sorry 404页面没找到")
    this.display("404")
}

//说说
func (this *MainController) Mood() {
    var list []*models.Mood
    query := new(models.Mood).Query()
    count, _ := query.Count()
    if count > 0 {
        query.OrderBy("-posttime").Limit(this.pagesize, (this.page-1)*this.pagesize).All(&list)
    }
    this.Data["list"] = list
    this.setHeadMetas("碎言碎语")
    this.right = ""
    this.Data["pagebar"] = models.NewPager(int64(this.page), int64(count), int64(this.pagesize), "/mood%d.html").ToString()
    this.display("mood")
}

//照片展示
func (this *MainController) Photo() {
    album := new(models.Album)
    album.Id = int64(this.page)
    err := album.Read()
    if err != nil || album.Ishide != 0 {
        this.Redirect("/404.html", 302)
    }
    this.setHeadMetas("相册 " + album.Name + " 内的照片")
    var list []*models.Photo
    new(models.Photo).Query().Filter("albumid", this.page).All(&list)
    this.right = ""
    for _, v := range list {
        v.Small = strings.Replace(v.Url, "bigpic", "smallpic", 1)
    }
    this.Data["list"] = list
    this.display("photo")
}

//相册展示
func (this *MainController) Album() {
    pagesize, _ := strconv.Atoi(this.getOption("albumsize"))
    if pagesize < 1 {
        pagesize = 12
    }
    var list []*models.Album
    query := new(models.Album).Query().Filter("ishide", 0)
    count, _ := query.Count()
    if count > 0 {
        query.OrderBy("-rank", "-posttime").Limit(pagesize, (this.page-1)*pagesize).All(&list)
    }
    this.setHeadMetas("光影瞬间")
    this.right = ""
    this.Data["list"] = list
    this.Data["pagebar"] = models.NewPager(int64(this.page), int64(count), int64(pagesize), "/album%d.html").ToString()
    this.display("album")
}

//文章显示
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"] = "文章内容"
    if urlname == "about.html" {
        this.Data["smalltitle"] = "关于我"
    }

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

//分类查看
func (this *MainController) Category() {
    var list []*models.Post
    tagpost := new(models.TagPost)
    tag := new(models.Tag)
    tag.Name = this.Ctx.Input.Param(":name")

    if tag.Read("Name") != nil {
        this.Abort("404")
    }
    query := tagpost.Query().Filter("tagid", tag.Id).Filter("poststatus", 0)
    count, _ := query.Count()
    if count > 0 {
        var tp []*models.TagPost
        var pids []int64 = make([]int64, 0)
        query.OrderBy("-posttime").Limit(this.pagesize, (this.page-1)*this.pagesize).All(&tp)
        for _, v := range tp {
            pids = append(pids, v.Postid)
        }
        new(models.Post).Query().Filter("id__in", pids).All(&list)
    }
    this.Data["tag"] = tag
    this.Data["list"] = list
    this.Data["pagebar"] = models.NewPager(int64(this.page), int64(count), int64(this.pagesize), "/category/"+tag.Name+"/page/%d").ToString()
    this.setHeadMetas(tag.Name, tag.Name, tag.Name)
    this.display("life")
}