function _pager_go(total_page) {    var page_str = $("#_pager_textbox").val();    var int_expr = /^(\+|-)?\d+$/;    if (!int_expr.test(page_str)) {        alert("请输入整数");        return;    }    var go_page = parseInt(page_str);    if (go_page < 1 || go_page > total_page) {        alert("跳转页数超出范围");        return;    }    var link_fn_name = $("#_pager_link_fn_name").val();    eval(link_fn_name + "(" + go_page + ")");}$.fn.ss_pager = function (options) {    var box = $(this);    var current_page = options.current_page;    var total_page = options.total_page;    var link_class_name = options.link_class || "pageitem";    var text_class_name = options.text_class || "";    var link_fn_name = options.link_fn || "void";    var show_pages = options.show_pages || 10;    var total_size = options.total_size;    var btn_class_name = options.btn_class || "btn";    if (current_page <= 1) {        current_page = 1;    }    if (total_size <= 0) {        $(box).html("<span style=‘color:red;‘>没有记录</span>");        return;    }    function __wprint(iscurrent, index, text) {        if (!iscurrent) {            return "<a class=‘" + link_class_name + "‘ href=‘javascript:" + link_fn_name + "(" + index + ")" + "‘>" + text + "</a>";        }        else {            return "<a class=‘" + text_class_name + "‘>" + text + "</a>";        }    }    var html_buf = ‘‘;    if (total_size) {        html_buf += __wprint(true, "", "共有" + total_size + "条记录");    }    html_buf += __wprint(current_page - 1 <= 0, current_page - 1, "上一页");    if (total_page > 1) {        //开始页码        var start = 2;        var end = total_page - 1;        var _t = parseInt(show_pages / 2) - 1;        html_buf += __wprint(current_page == 1, 1, 1);        if (current_page - _t > 1) {            html_buf += __wprint(true, "", "...");            start = current_page - _t;        }        for (var i = start; i < current_page; i++) {            html_buf += __wprint(current_page == i, i, i);            //console.log("前 "+i);        };        if (current_page > 1 && current_page < total_page) {            html_buf += __wprint(true, current_page, current_page);        }        if (current_page + _t < total_page - 1) {            end = current_page + _t;            //console.log("后 e "+ (current_page+_t));            //console.log("后 e "+ (total_page-1));        }        for (var i = current_page + 1; i <= end; i++) {            html_buf += __wprint(current_page == i, i, i);            //console.log("后 "+i);        };        if (current_page + _t < total_page - 1) {            html_buf += __wprint(true, "", "...");        };        html_buf += __wprint(current_page == total_page, total_page, total_page);    }    else {        html_buf += __wprint(current_page == 1, 1, 1);    }    html_buf += __wprint(current_page + 1 > total_page, current_page + 1, "下一页");    html_buf += ("<a class=‘" + text_class_name + "‘> <input type=‘text‘ id=‘_pager_textbox‘ value=http://www.mamicode.com/‘" + current_page + "‘ />");    html_buf += ("<input type=‘hidden‘ value=http://www.mamicode.com/‘" + link_fn_name + "‘ id=‘_pager_link_fn_name‘ />");    html_buf += ("<input type=‘button‘ class=‘btn‘ value=http://www.mamicode.com/‘转到‘ id=‘_pager_button‘ onclick=‘_pager_go(" + total_page + ")‘ /> </a>");    $(box).html(html_buf);};