golang的分页例子, 使用了beego,ameiziui

//分页方法,根据传递过来的页数,每页数,总数,返回分页的内容 7个页数 前 1,2,3,4,5 后 的格式返回,小于5页返回具体页数
func Paginator(page, prepage int, nums int64) map[string]interface{} {
	var firstpage int //前一页地址
	var lastpage int //后一页地址
	//根据nums总数,和prepage每页数量 生成分页总数
	totalpages := int(math.Ceil(float64(nums) / float64(prepage))) //page总数
	if page > totalpages {
		page = totalpages
	}
	if page <= 0 {
		page = 1
	}
	var pages []int
	switch {
	case page >= totalpages-5 && totalpages > 5: //最后5页
		start := totalpages - 5 + 1
		firstpage = page - 1
		lastpage = int(math.Min(float64(totalpages), float64(page+1)))
		pages = make([]int, 5)
		for i, _ := range pages {
			pages[i] = start + i
		}
	case page >= 3 && totalpages > 5:
		start := page - 3 + 1
		pages = make([]int, 5)
		firstpage = page - 3
		for i, _ := range pages {
			pages[i] = start + i
		}
		firstpage = page - 1
		lastpage = page + 1
	default:
		pages = make([]int, int(math.Min(5, float64(totalpages))))
		for i, _ := range pages {
			pages[i] = i + 1
		}
		firstpage = int(math.Max(float64(1), float64(page-1)))
		lastpage = page + 1
		//fmt.Println(pages)
	}
	paginatorMap := make(map[string]interface{})
	paginatorMap["pages"] = pages
	paginatorMap["totalpages"] = totalpages
	paginatorMap["firstpage"] = firstpage
	paginatorMap["lastpage"] = lastpage
	paginatorMap["currpage"] = page
	return paginatorMap
}

 <div class="am-cf">
 共{{.totals}}条记录 共记{{.paginator.totalpages}} 页 当前页 {{.paginator.currpage}}
 <div class="am-fr">
 <ul class="am-pagination">
 <li class=""><a href="/clubadmin/topics/{{.paginator.firstpage}}">«</a></li> 
 {{range $index,$page := .paginator.pages}}
 <li {{if eq $.paginator.currpage $page }}class="am-active"{{end}}><a href="/clubadmin/topics/{{$page}}">{{$page}}</a></li> 
 {{end}}
 <li><a href="/clubadmin/topics/{{.paginator.lastpage}}">»</a></li>
 </ul>
 </div>
</div>

res := models.Paginator(pa, pre_page, totals)
this.Data["paginator"] = res

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