(function($) {
    var zp = {
        init: function(obj, pageinit) {
            return (function() {
                zp.addhtml(obj, pageinit);
                zp.bindEvent(obj, pageinit);
            }());
        },
        addhtml: function(obj, pageinit) {
            return (function() {
                obj.empty();
                if (pageinit.shownum < 5) {
                    pageinit.shownum = 5;
                }
                if (pageinit.pageNum < pageinit.shownum) {
                    pageinit.shownum = pageinit.pageNum;
                }
                var numshow = pageinit.shownum - 4;
                var numbefore = parseInt((pageinit.shownum - 5) / 2);
                if ((pageinit.shownum - 5) % 2 > 0) {
                    var numafter = numbefore + 1;
                } else {
                    var numafter = numbefore;
                }
                obj.append('<span style="font-zize:14px;color:#7d7d7d;">共 ' + '<i style="color:#ff0000;font-size:14px;">' + pageinit.total + '</i>' + ' 条数据</span> ');
                /*上一页*/
                if (pageinit.current &gt; 1) {
                    obj.append('<a class="prebtn" href="javascript:;">上一页</a>');
                } else {
                    obj.remove('.prevPage');
                    obj.append('<span class="disabled">上一页</span>');
                }
                /*中间页*/
                if (pageinit.current &gt; 4 &amp;&amp; pageinit.pageNum &gt; pageinit.shownum) {
                    obj.append('<a class="zxfPagenum" href="javascript:;">' + 1 + '</a>');
                    obj.append('<a class="zxfPagenum" href="javascript:;">' + 2 + '</a>');
                    obj.append('<span>...</span>');
                }
                if (pageinit.current &gt; 4 &amp;&amp; pageinit.current &lt; pageinit.pageNum - numshow &amp;&amp; pageinit.pageNum &gt; pageinit.shownum) {
                    var start = pageinit.current - numbefore,
                        end = pageinit.current + numafter;
                } else if (pageinit.current &gt; 4 &amp;&amp; pageinit.current &gt;= pageinit.pageNum - numshow &amp;&amp; pageinit.pageNum &gt; pageinit.shownum) {
                    var start = pageinit.pageNum - numshow,
                        end = pageinit.pageNum;
                } else {
                    if (pageinit.pageNum &lt;= pageinit.shownum) {
                        var start = 1,
                            end = pageinit.shownum;
                    } else {
                        var start = 1,
                            end = pageinit.shownum - 1;
                    }
                }
                for (; start &lt;= end; start++) {
                    if (start &lt;= pageinit.pageNum &amp;&amp; start &gt;= 1) {
                        if (start == pageinit.current) {
                            obj.append('<span class="zxfPagenum ' + pageinit.activepage + '">' + start + '</span>');
                        } else if (start == pageinit.current + 1) {
                            obj.append('<a class="zxfPagenum ' + pageinit.activepaf + '" href="javascript:;">' + start + '</a>');
                        } else {
                            obj.append('<a class="zxfPagenum" href="javascript:;">' + start + '</a>');
                        }
                    }
                }
                if (end &lt; pageinit.pageNum) {
                    obj.append('<span>...</span>');
                }
                /*下一页*/
                if (pageinit.current &gt;= pageinit.pageNum) {
                    obj.remove('.nextbtn');
                    obj.append('<span class="disabled">下一页</span>');
                } else {
                    obj.append('<a class="nextbtn" href="javascript:;">下一页</a>');
                }
                /*尾部*/
                obj.append('<span>' + '共' + '<b>' + pageinit.pageNum + '</b>' + '页' + '</span>');
                obj.append('<span>' + '到第' + '<input class="zxfinput" type="text" value="' + pageinit.current + '"/>' + '页' + '</span>');
                obj.append('<span class="zxfokbtn">' + '确定' + '</span>');
            }());
        },
        bindEvent: function(obj, pageinit) {
            return (function() {
                obj.off("click");
                obj.on("click", "a.prebtn", function() {
                    var cur = parseInt(obj.children("span.current").text());
                    var current = $.extend(pageinit, { "current": cur - 1 });
                    zp.addhtml(obj, current);
                    if (typeof(pageinit.backfun) == "function") {
                        pageinit.backfun(current);
                    }
                });
                obj.on("click", "a.zxfPagenum", function() {
                    var cur = parseInt($(this).text());
                    var current = $.extend(pageinit, { "current": cur });
                    zp.addhtml(obj, current);
                    if (typeof(pageinit.backfun) == "function") {
                        pageinit.backfun(current);
                    }
                });
                obj.on("click", "a.nextbtn", function() {
                    var cur = parseInt(obj.children("span.current").text());
                    var current = $.extend(pageinit, { "current": cur + 1 });
                    zp.addhtml(obj, current);
                    if (typeof(pageinit.backfun) == "function") {
                        pageinit.backfun(current);
                    }
                });
                obj.on("click", "span.zxfokbtn", function() {
                    var cur = parseInt($("input.zxfinput").val());
                    var current = $.extend(pageinit, { "current": cur });
                    zp.addhtml(obj, current);
                    if (typeof(pageinit.backfun) == "function") {
                        pageinit.backfun(current);
                    }
                });
                obj.on("keydown", "input.zxfinput", function() {
                    if (event.keyCode == "13") {
                        $(".zxfokbtn").click();
                    }
                });
            }());
        }
    }
    $.fn.createPage = function(options) {
        var pageinit = $.extend({
            pageNum: 10,
            current: 1,
            shownum: 9,
            activepage: "current",
            activepaf: "nextpage",
            backfun: function() {}
        }, options);
        zp.init(this, pageinit);
    }
}(jQuery));