js 制作分页

如图所示

在html中调用方法 getpage(7, 1, 1, 'URL')

1.page.js文件

代码

function getpage(count, countPage, pageIndex,url) {
    // count总条数，countPage分页数,pageIndex当前页码,url 拼接公共路径
    var ul = document.getElementById("getPage");
    document.getElementById("getPage").innerHTML = "";
    var li_0 = document.createElement("a");
    li_0.innerHTML = "总共：" + count + "条，共：" + countPage + "页，每页：10条";
    ul.appendChild(li_0);
    if (countPage == 1 || pageIndex == 1) {//第一页首页和上一页不可操作
        var li_1 = document.createElement("a");
        li_1.setAttribute("class", "pageItemDisable bt4");
        li_1.innerHTML = "首页";
        ul.appendChild(li_1);
        var li_2 = document.createElement("a");
        li_2.setAttribute("class", "pageItemDisable bt4");
        li_2.innerHTML = "上一页"
        ul.appendChild(li_2);
    } else {
        var li_1 = document.createElement("a");
        li_1.setAttribute("class", "pageItem bt4");
        li_1.innerHTML = "首页";
        li_1.setAttribute("href", url+1);
        ul.appendChild(li_1);
        var li_2 = document.createElement("a");
        li_2.setAttribute("class", "pageItem bt4");
        li_2.innerHTML = "上一页"
        li_2.setAttribute("href", url+(pageIndex-1));
        ul.appendChild(li_2);
    }
    //之前需要将，上一页创建出来
    if (countPage <= 5) {
        //总页数在0到5之间时，显示实际的页数
        for (var i = 0; i < countPage; i++) {
            if (i + 1 == pageIndex) {//循环数和当前页相等时,为当前页样式
                var a = document.createElement("a");
                a.setAttribute("class", "pageItemActive");
                a.innerHTML = i + 1;
                ul.appendChild(a);
            } else {
                var a = document.createElement("a");
                a.setAttribute("class", "pageItem");
                a.innerHTML = i + 1;
                a.setAttribute("href", url+ a.innerHTML);
                ul.appendChild(a);
            }

        }
    } else if (countPage > 5) {
        //总页数大于5时，只显示五页，多出的隐藏
        //判断当前页的位置
        if (pageIndex <= 3) {//当前页小于等于3时，显示1-5
            for (var i = 0; i < 5; i++) {
                if (i + 1 == pageIndex) {//循环数和当前页相等时,为当前页样式
                    var a = document.createElement("a");
                    a.setAttribute("class", "pageItemActive");
                    a.innerHTML = i + 1;
                    ul.appendChild(a);
                } else {
                    var a = document.createElement("a");
                    a.setAttribute("class", "pageItem");
                    a.innerHTML = i + 1;
                    a.setAttribute("href", url+ a.innerHTML);
                    ul.appendChild(a);
                }
            }
        } else if (pageIndex > countPage - 5) {//当前页为最后五页时
            for (var i = countPage - 5; i < countPage; i++) {
                if (i + 1 == pageIndex) {//循环数和当前页相等时,为当前页样式
                    var a = document.createElement("a");
                    a.setAttribute("class", "pageItemActive");
                    a.innerHTML = i + 1;
                    ul.appendChild(a);
                } else {
                    var a = document.createElement("a");
                    a.setAttribute("class", "pageItem");
                    a.innerHTML = i + 1;
                    a.setAttribute("href", url+ a.innerHTML);
                    ul.appendChild(a);
                }
            }
        } else {//当前页为中间时
            for (var i = pageIndex - 3; i < pageIndex + 2; i++) {
                if (i + 1 == pageIndex) {//循环数和当前页相等时,为当前页样式
                    var a = document.createElement("a");
                    a.setAttribute("class", "pageItemActive");
                    a.innerHTML = i + 1;
                    ul.appendChild(a);
                } else {
                    var a = document.createElement("a");
                    a.setAttribute("class", "pageItem");
                    a.innerHTML = i + 1;
                    a.setAttribute("href", url+ a.innerHTML);
                    ul.appendChild(a);
                }
            }
        }
    }
    if (pageIndex == countPage) {//当前页为最大页时，下一个和尾页不可操作
        var li_3 = document.createElement("a");
        li_3.setAttribute("class", "pageItemDisable bt4");
        li_3.innerHTML = "下一页"
        ul.appendChild(li_3);
        var li_4 = document.createElement("a");
        li_4.setAttribute("class", "pageItemDisable bt4");

        li_4.innerHTML = "尾页"
        ul.appendChild(li_4);
    } else {
        var li_3 = document.createElement("a");
        li_3.setAttribute("class", "pageItem bt4");
        li_3.innerHTML = "下一页"
        li_3.setAttribute("href", url+(pageIndex+1));
        ul.appendChild(li_3);
        var li_4 = document.createElement("a");
        li_4.setAttribute("class", "pageItem bt4");
        li_4.innerHTML = "尾页"
        li_4.setAttribute("href", url+countPage);
        ul.appendChild(li_4);
    }
    if (0 == countPage) {//一页都没有时，将首页，上一页，下一个，尾页都置为不可操作
        $(".bt4").removeClass("pageItem");
        $(".bt4").addClass("pageItemDisable");
    }
}

　　2.page.html文件

代码：

<!DOCTYPE html>
<html>

<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no, minimal-ui">
    <title>制作分页</title>
    <meta name="description" content="">

    <style type="text/css">
        .page {
            list-style:none;
        }

        .page>a {
            float: left;
            padding: 5px 10px;
            cursor:pointer;
            text-decoration: none;
        }

        .page .pageItem {
            border:solid thin #DDDDDD;
            margin:5px;
        }

        .page .pageItemActive {
            border: solid thin #0099FF;
            margin: 5px;
            background-color: #0099FF;
            color: white;
        }

        .page .pageItem:hover {
            border: solid thin #0099FF;
            background-color:#0099FF;
            color: white;
        }

        .page .pageItemDisable {
            border:solid thin #DDDDDD;
            margin: 5px;
            background-color: #DDDDDD;
        }
    </style>
</head>

<body>
    <ul id="getPage" class="page"></ul>
    <script src="./jquery.js"></script>
    <script src="./page.js"></script>
    <script>
        //getpage($(count), $(countPage),$(pageIndex),$(url),)
        getpage(100, 10, 6, '?page')
        //对应参数 count总条数，countPage分页数,pageIndex当前页码,url 拼接公共路径
    </script>
</body>

</html>