享受三个和好写的简便的javascript分页组件

作者: 计算机网络技术  发布:2019-09-06

温馨写的一个简练的分页组件,首要作用还会有落成都在JS中,html页面中只用扩大二个停放生成分页的DIV,并给定容器的id.

html结构如下:

复制代码 代码如下:

<ul class="pagination" id="pageDIV">
</ul>
class="pagination" 给定了分页的样式,
id="pageDIV"用于放置JS生成的分页

CSS结构如下:

复制代码 代码如下:

.pagination{
    margin-top: 10px;
    margin-bottom: 10px;
    display: inline-block;
    padding-left: 0;
    margin: 20px 0;
    border-radius: 4px;
}
.pagination>li {
    display: inline;
}
.pagination>li:first-child>a{
    margin-left: 0;
    border-top-left-radius: 4px;
    border-bottom-left-radius: 4px;
}
.pagination>li>a{
    position: relative;
    float: left;
    padding: 6px 12px;
    margin-left: -1px;
    line-height: 1.42857143;
    color: #337ab7;
    text-decoration: none;
    background-color: #fff;
    border: 1px solid #ddd;
    cursor: pointer;
}
.pagination>li>a.navcur{
    background: #cccccc;
    color: #ffffff;
}

上面是JS结构,注意要引用JQuery

复制代码 代码如下:

/**
 * @pageContentID 渲染分页的DIV元素
 * @curPage 当前开始页
 * @totalCount 总数量
 * @pageRows 每页呈现数量
 * @callback 展现数据的回调函数
 */
function PageList(pageContentID,option){
    this.pageContentID=document.getElementById(pageContentID);
    this.curPage=option.curPage;
    this.totalCount=option.totalCount;
    this.pageRows=option.pageRows;
    this.callback=option.callback;
    this.pageSize=Math.ceil(this.totalCount/this.pageRows);
}
PageList.prototype={
    init:function(){
        this.renderbtn();
    },
    firstpage:function(){
        var _self=this;
        _self._firstpage=document.createElement("li");
        _self._firstpageA=document.createElement("a");
        _self._firstpageA.innerHTML="首页";
        _self._firstpage.appendChild(_self._firstpageA);
        this.pageContentID.appendChild(_self._firstpage);
        _self._firstpage.onclick=function(){
            _self.gotopage(1);
        }
    },
    lastpage: function () {
      var _self=this;
        _self._lastpage=document.createElement("li");
        _self._lastpageA=document.createElement("a");
        _self._lastpageA.innerHTML="尾页";
        _self._lastpage.appendChild(_self._lastpageA);
        this.pageContentID.appendChild(_self._lastpage);
        _self._lastpage.onclick= function () {
            _self.gotopage(_self.pageSize);
        }
    },
    prewpage: function () {
        var _self=this;
        _self._prew=document.createElement("li");
        _self._prewA=document.createElement("a");
        _self._prewA.innerHTML="<<";
        _self._prew.appendChild(_self._prewA);
        this.pageContentID.appendChild(_self._prew);
        _self._prew.onclick= function () {
            if(_self.curPage>1){
                _self.curPage--;
            }
            _self.callback.call(this,this.curPage);
            _self.init();
            console.log(_self.curPage);
        }
    },
    nextpage: function () {
        var _self=this;
        _self._next=document.createElement("li");
        _self._nextA=document.createElement("a");
        _self._nextA.innerHTML=">>";
        _self._next.appendChild(_self._nextA);
        this.pageContentID.appendChild(_self._next);
        _self._next.onclick= function () {
            if(_self.curPage<_self.pageSize){
                _self.curPage++;
            }
            _self.callback.call(this,this.curPage);
            _self.init();
            console.log(_self.curPage);
        }
    },
    pagenum: function () {
        var _self=this;
        if(this.pageSize<=10){
            for(var i= 1,len=this.pageSize;i<=len;i++){
                _self._num=document.createElement("li");
                _self._numA=document.createElement("a");
                _self._numA.innerHTML=i;
                _self._num.appendChild(_self._numA);
                this.pageContentID.appendChild(_self._num);
                _self._num.onclick= function () {
                    var curpage = $(this).text();
                    _self.gotopage(curpage);
                }
            }
        }
        else{
            if(_self.curPage<=10){
                for(var i= 1;i<=10;i++){
                    _self._num=document.createElement("li");
                    _self._numA=document.createElement("a");
                    _self._numA.innerHTML=i;
                    _self._num.appendChild(_self._numA);
                    this.pageContentID.appendChild(_self._num);
                    _self._num.onclick= function () {
                        var curpage = $(this).text();
                        _self.gotopage(curpage);
                    }
                }
            }
            else if(_self.curPage>10&&_self.curPage<=this.pageSize){
                if(this.pageSize<Math.ceil(_self.curPage/10)*10){
                    for(var i=Math.floor(_self.curPage/10)*10+1;i<=this.pageSize;i++){
                        if(_self.curPage>this.pageSize)
                        return;
                        _self._num=document.createElement("li");
                        _self._numA=document.createElement("a");
                        _self._numA.innerHTML=i;
                        _self._num.appendChild(_self._numA);
                        this.pageContentID.appendChild(_self._num);
                        _self._num.onclick= function () {
                            var curpage = $(this).text();
                            _self.gotopage(curpage);
                        }
                    }
                }else{
                    if(Math.ceil(_self.curPage/10)*10==_self.curPage){
                        for(var i=_self.curPage-9;i<=_self.curPage;i++){
                            _self._num=document.createElement("li");
                            _self._numA=document.createElement("a");
                            _self._numA.innerHTML=i;
                            _self._num.appendChild(_self._numA);
                            this.pageContentID.appendChild(_self._num);
                            _self._num.onclick= function () {
                                var curpage = $(this).text();
                                _self.gotopage(curpage);
                            }
                        }
                    }else{
                        for(var i=Math.floor(_self.curPage/10)*10+1;i<=Math.ceil(_self.curPage/10)*10;i++){
                            _self._num=document.createElement("li");
                            _self._numA=document.createElement("a");
                            _self._numA.innerHTML=i;
                            _self._num.appendChild(_self._numA);
                            this.pageContentID.appendChild(_self._num);
                            _self._num.onclick= function () {
                                var curpage = $(this).text();
                                _self.gotopage(curpage);
                            }
                        }
                    }
                }
            }
        }
        $(".pagination li").each(function(){
            if($(this)[0].innerText==_self.curPage){
                $(".pagination li").children("a").removeClass("navcur");
                $(this).children("a").addClass("navcur");
            }
        });
    },
    gotopage: function (curpage) {
        this.curPage=curpage;
        this.callback.call(this,this.curPage);
        this.init();
        console.log(this.curPage);
    },
    renderbtn: function () {
        $(".pagination").html("");
        this.firstpage();
        this.prewpage();
        this.pagenum();
        this.nextpage();
        this.lastpage();
    }
};
$(function(){
    var pager = new PageList("pageDIV",{
        curPage:1,
        totalCount:26,
        pageRows:1,
        callback:callbackFuc
    });
    pager.init();
});
function callbackFuc(curpage){
}

说明:

此分页是以10页为专业,低于10页的时候任何出示,大于10页的时候,进行翻页突显余下页数.

调用方法:

复制代码 代码如下:

$(function(){
    var pager = new PageList("pageDIV",{
        curPage:1,
        totalCount:26,
        pageRows:1,
        callback:callbackFuc
    });
    pager.init();
});

上述正是本分页组件的中心代码了,希望小同伙们能够欣赏。

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