jquery autocomplete ajax获取动态数据,兼容各浏览器

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jquery autocomplete ajax获取动态数据,兼容各浏览器

来源: 作者: 时间:2016-02-20 09:49 【

jquery autocomplete js经过修改,支持各种浏览器、支持中文输入!1、效果图如下2、HTML和ajax代码 $(function () { ① 固定数据

jquery.autocomplete.js经过修改,支持各种、支持中文输入!

1、效果图如下

\

2、HTML和ajax代码





    
    
    
    <script src="Scripts/jquery.autocomplete/jquery.js"></script>
    <script src="Scripts/jquery.autocomplete/jquery.autocomplete.js"></script>
    <script>
	$(function () {
		
	 //① 固定数据
            var websites = [{ "User_LastName": "安春", "user_employeeNo": "0041", "User_UserId": 50233 }, { "User_LastName": "安国兵", "user_employeeNo": "1404", "User_UserId": 51278 }, { "User_LastName": "包小文", "user_employeeNo": "0685", "User_UserId": 50521 }];
            //$("#MainContent_salesperson").autocomplete(websites, {
                 minChars: 1,					//最少输入字条
                max: 12,
                autoFill: false,				//是否选多个,用","分开
                mustMatch: false,				//是否全匹配, 如数据中没有此数据,将无法输入
                matchContains: true,			//是否全文搜索,否则只是前面作为标准
                scrollHeight: 220,
                width: 500,
                multiple: false,
                formatItem: function (row, i, max) {					//显示格式
                    return "" + row.User_LastName + "" + row.User_LastName + "" + row.User_LastName + "" + row.User_LastName + "";
                },
                formatMatch: function (row, i, max) {				//以什么数据作为搜索关键词,可包括中文,
                    return row.User_LastName;
                },
                formatResult: function (row) {						//返回结果
                    return row.User_LastName;
                }
            });
			
 //② ajax获取后台数据
    $.ajax({
        contentType: "application/json",
        url: "../AjaxPage/GetAjax.x?z=GetAutoCompleteUserId_LastName",
        dataType: "json",
        success: function (msg) {
            if (msg == null) {
            }
            else if (msg != null && msg.msg != 'login_timeout') {
                $("#MainContent_salesperson").autocomplete(msg, {
                    minChars: 1,					//最少输入字条
                    max: 12,
                    autoFill: false,				//是否选多个,用","分开
                    mustMatch: false,				//是否全匹配, 如数据中没有此数据,将无法输入
                    matchContains: true,			//是否全文搜索,否则只是前面作为标准
                    scrollHeight: 220,
                    width: 147,
                    multiple: false,
                    formatItem: function (row, i, max) {					//显示格式
                        return "" + row.user_employeeNo + "" + row.User_LastName + "";
                    },
                    formatMatch: function (row, i, max) {				//以什么数据作为搜索关键词,可包括中文,
                        return row.user_employeeNo + row.User_LastName;
                    },
                    formatResult: function (row) {						//返回结果
                        return row.user_employeeNo + " " + row.User_LastName;
                    }
                }).result(function (event, data, formatted) {
                    alert(data.User_UserId);
                    //根据最终返回的数据做处理
                });
            }
            else if (msg != null && msg.msg == 'login_timeout') {
                alert('登入超时!');
                window.location.href = '../Logout.aspx';
            }
        }
    });




});
 </script>
 

    




3、autocomplete.css 代码

.ac_results {
    padding: 0px;
    /*border: 1px solid black;*/
    border: 1px solid #C0CADD;
    background-color: white;
    overflow: hidden;
    z-index: 99999;
}

    .ac_results ul {
        width: 100%;
        list-style-position: outside;
        list-style: none;
        padding: 0;
        margin: 0;
    }

    .ac_results li {
        /*加*/
        clear: both;
        margin: 0px;
        padding: 2px 5px;
        cursor: default;
        display: block;
        overflow: hidden;
        position: relative;
        /* 
	if width will be 100% horizontal scrollbar will apear 
	when scroll mode will be used
	*/
        /*width: 100%;*/
        font: menu;
        font-size: 12px;
        /* 
	it is very important, if line-height not setted or setted 
	in relative units scroll will be broken in firefox
	*/
        line-height: 23px;
        overflow: hidden;
    }
        /*减*/
        /*.ac_results li span {
            font-size: 12px;
            display: block;
            float: left;
            width: 80px;
        }*/

        /*加*/
        .ac_results li span {
            margin: 0;
            padding: 0;
            font-size: 12px;
            
        }

        .ac_results li b {
            font-size: 12px;
            display: block;
            float: left;
        }

.ac_loading {
    background: white url('indicator.gif') right center no-repeat;
}

/*.ac_odd {
	background-color: #eee;
}

.ac_over {
	background-color: #0A246A;
	color: white;
}*/

.ac_odd {
    background-color: #F5F7FA;
}

.ac_over {
    background-color: #E1E6EF;
    color: #374767;
}

4、jquery.autocomplete.js

(1)、这个js是经过修改的,支持各种浏览器、支持中文输入
/*
 * Autocomplete - jQuery plugin 1.0.2
 *
 * Copyright (c) 2007 Dylan Verheul, Dan G. Switzer, Anjesh Tuladhar, Jörn Zaefferer
 *
 * Dual licensed under the MIT and GPL licenses:
 *   http://www.opensource.org/licenses/mit-license.php
 *   http://www.gnu.org/licenses/gpl.html
 *
 * Revision: $Id: jquery.autocomplete.js 5747 2008-06-25 18:30:55Z joern.zaefferer $
 *
 */

; (function ($) {

    $.fn.extend({
        autocomplete: function (urlOrData, options) {
            var isUrl = typeof urlOrData == "string";
            options = $.extend({}, $.Autocompleter.defaults, {
                url: isUrl ? urlOrData : null,
                data: isUrl ? null : urlOrData,
                delay: isUrl ? $.Autocompleter.defaults.delay : 10,
                max: options && !options.scroll ? 10 : 150
            }, options);

            // if highlight is set to false, replace it with a do-nothing function
            options.highlight = options.highlight || function (value) { return value; };

            // if the formatMatch option is not specified, then use formatItem for backwards compatibility
            options.formatMatch = options.formatMatch || options.formatItem;

            return this.each(function () {
                new $.Autocompleter(this, options);
            });
        },
        result: function (handler) {
            return this.bind("result", handler);
        },
        search: function (handler) {
            return this.trigger("search", [handler]);
        },
        flushCache: function () {
            return this.trigger("flushCache");
        },
        setOptions: function (options) {
            return this.trigger("setOptions", [options]);
        },
        unautocomplete: function () {
            return this.trigger("unautocomplete");
        }
    });

    $.Autocompleter = function (input, options) {

        var KEY = {
            UP: 38,
            DOWN: 40,
            DEL: 46,
            TAB: 9,
            RETURN: 13,
            ESC: 27,
            COMMA: 188,
            PAGEUP: 33,
            PAGEDOWN: 34,
            BACKSPACE: 8
        };

        // Create $ object for input element
        var $input = $(input).attr("autocomplete", "off").addClass(options.inputClass);

        var timeout;
        var previousValue = "";
        var cache = $.Autocompleter.Cache(options);
        var hasFocus = 0;
        var lastKeyPressCode;
        var config = {
            mouseDownOnSelect: false
        };
        var select = $.Autocompleter.Select(options, input, selectCurrent, config);

        var blockSubmit;

        // prevent form submit in opera when selecting with return key
        $.browser.opera && $(input.form).bind("submit.autocomplete", function () {
            if (blockSubmit) {
                blockSubmit = false;
                return false;
            }
        });

        // only opera doesn't trigger keydown multiple times while pressed, others don't work with keypress at all
        $input.bind(($.browser.opera ? "keypress" : "keydown") + ".autocomplete", function (event) {
            // track last key pressed
            lastKeyPressCode = event.keyCode;
            switch (event.keyCode) {

                case KEY.UP:
                    event.preventDefault();
                    if (select.visible()) {
                        select.prev();
                    } else {
                        onChange(0, true);
                    }
                    break;

                case KEY.DOWN:
                    event.preventDefault();
                    if (select.visible()) {
                        select.next();
                    } else {
                        onChange(0, true);
                    }
                    break;

                case KEY.PAGEUP:
                    event.preventDefault();
                    if (select.visible()) {
                        select.pageUp();
                    } else {
                        onChange(0, true);
                    }
                    break;

                case KEY.PAGEDOWN:
                    event.preventDefault();
                    if (select.visible()) {
                        select.pageDown();
                    } else {
                        onChange(0, true);
                    }
                    break;

                    // matches also semicolon
                case options.multiple && $.trim(options.multipleSeparator) == "," && KEY.COMMA:
                case KEY.TAB:
                case KEY.RETURN:
                    if (selectCurrent()) {
                        // stop default to prevent a form submit, Opera needs special handling
                        event.preventDefault();
                        blockSubmit = true;
                        return false;
                    }
                    break;

                case KEY.ESC:
                    select.hide();
                    break;

                default:
                    clearTimeout(timeout);
                    timeout = setTimeout(onChange, options.delay);
                    break;
            }
        }).focus(function () {
            // track whether the field has focus, we shouldn't process any
            // results if the field no longer has focus
            hasFocus++;
        }).blur(function () {
            hasFocus = 0;
            if (!config.mouseDownOnSelect) {
                hideResults();
            }
        }).click(function () {
            // show select when clicking in a focused field
            if (hasFocus++ > 1 && !select.visible()) {
                onChange(0, true);
            }
        }).bind("search", function () {
            // TODO why not just specifying both arguments?
            var fn = (arguments.length > 1) ? arguments[1] : null;
            function findValueCallback(q, data) {
                var result;
                if (data && data.length) {
                    for (var i = 0; i < data.length; i++) {
                        if (data[i].result.toLowerCase() == q.toLowerCase()) {
                            result = data[i];
                            break;
                        }
                    }
                }
                if (typeof fn == "function") fn(result);
                else $input.trigger("result", result && [result.data, result.value]);
            }
            $.each(trimWords($input.val()), function (i, value) {
                request(value, findValueCallback, findValueCallback);
            });
        }).bind("flushCache", function () {
            cache.flush();
        }).bind("setOptions", function () {
            $.extend(options, arguments[1]);
            // if we've updated the data, repopulate
            if ("data" in arguments[1])
                cache.populate();
        }).bind("unautocomplete", function () {
            select.unbind();
            $input.unbind();
            $(input.form).unbind(".autocomplete");
        }).bind("input", function () {
            // @hack:support for inputing chinese characters in firefox
            onChange(0, true);
        });;


        function selectCurrent() {
            var selected = select.selected();
            if (!selected)
                return false;

            var v = selected.result;
            previousValue = v;

            if (options.multiple) {
                var words = trimWords($input.val());
                if (words.length > 1) {
                    v = words.slice(0, words.length - 1).join(options.multipleSeparator) + options.multipleSeparator + v;
                }
                v += options.multipleSeparator;
            }

            $input.val(v);
            hideResultsNow();
            $input.trigger("result", [selected.data, selected.value]);
            return true;
        }

        function onChange(crap, skipPrevCheck) {
            if (lastKeyPressCode == KEY.DEL) {
                select.hide();
                return;
            }

            var currentValue = $input.val();

            if (!skipPrevCheck && currentValue == previousValue)
                return;

            previousValue = currentValue;

            currentValue = lastWord(currentValue);
            if (currentValue.length >= options.minChars) {
                $input.addClass(options.loadingClass);
                if (!options.matchCase)
                    currentValue = currentValue.toLowerCase();
                request(currentValue, receiveData, hideResultsNow);
            } else {
                stopLoading();
                select.hide();
            }
        };

        function trimWords(value) {
            if (!value) {
                return [""];
            }
            var words = value.split(options.multipleSeparator);
            var result = [];
            $.each(words, function (i, value) {
                if ($.trim(value))
                    result[i] = $.trim(value);
            });
            return result;
        }

        function lastWord(value) {
            if (!options.multiple)
                return value;
            var words = trimWords(value);
            return words[words.length - 1];
        }

        // fills in the input box w/the first match (assumed to be the best match)
        // q: the term entered
        // sValue: the first matching result
        function autoFill(q, sValue) {
            // autofill in the complete box w/the first match as long as the user hasn't entered in more data
            // if the last user key pressed was backspace, don't autofill
            if (options.autoFill && (lastWord($input.val()).toLowerCase() == q.toLowerCase()) && lastKeyPressCode != KEY.BACKSPACE) {
                // fill in the value (keep the case the user has typed)
                $input.val($input.val() + sValue.substring(lastWord(previousValue).length));
                // select the portion of the value not typed by the user (so the next character will erase)
                $.Autocompleter.Selection(input, previousValue.length, previousValue.length + sValue.length);
            }
        };

        function hideResults() {
            clearTimeout(timeout);
            timeout = setTimeout(hideResultsNow, 200);
        };

        function hideResultsNow() {
            var wasVisible = select.visible();
            select.hide();
            clearTimeout(timeout);
            stopLoading();
            if (options.mustMatch) {
                // call search and run callback
                $input.search(
                    function (result) {
                        // if no value found, clear the input box
                        if (!result) {
                            if (options.multiple) {
                                var words = trimWords($input.val()).slice(0, -1);
                                $input.val(words.join(options.multipleSeparator) + (words.length ? options.multipleSeparator : ""));
                            }
                            else
                                $input.val("");
                        }
                    }
                );
            }
            if (wasVisible)
                // position cursor at end of input field
                $.Autocompleter.Selection(input, input.value.length, input.value.length);
        };

        function receiveData(q, data) {
            if (data && data.length && hasFocus) {
                stopLoading();
                select.display(data, q);
                autoFill(q, data[0].value);
                select.show();
            } else {
                hideResultsNow();
            }
        };

        function request(term, success, failure) {
            if (!options.matchCase)
                term = term.toLowerCase();
            var data = cache.load(term);
            // recieve the cached data
            if (data && data.length) {
                success(term, data);
                // if an AJAX url has been supplied, try loading the data now
            } else if ((typeof options.url == "string") && (options.url.length > 0)) {

                var extraParams = {
                    timestamp: +new Date()
                };
                $.each(options.extraParams, function (key, param) {
                    extraParams[key] = typeof param == "function" ? param() : param;
                });

                $.ajax({
                    // try to leverage ajaxQueue plugin to abort previous requests
                    mode: "abort",
                    // limit abortion to this input
                    port: "autocomplete" + input.name,
                    dataType: options.dataType,
                    url: options.url,
                    data: $.extend({
                        q: lastWord(escape(term)),//q: lastWord(term),  //在这里修改识别中文
                        limit: options.max
                    }, extraParams),
                    success: function (data) {
                        var parsed = options.parse && options.parse(data) || parse(data);
                        cache.add(term, parsed);
                        success(term, parsed);
                    }
                });
            } else {
                // if we have a failure, we need to empty the list -- this prevents the the [TAB] key from selecting the last successful match
                select.emptyList();
                failure(term);
            }
        };

        function parse(data) {
            var parsed = [];
            var rows = data.split("\n");
            for (var i = 0; i < rows.length; i++) {
                var row = $.trim(rows[i]);
                if (row) {
                    row = row.split("|");
                    parsed[parsed.length] = {
                        data: row,
                        value: row[0],
                        result: options.formatResult && options.formatResult(row, row[0]) || row[0]
                    };
                }
            }
            return parsed;
        };

        function stopLoading() {
            $input.removeClass(options.loadingClass);
        };

    };

    $.Autocompleter.defaults = {
        inputClass: "ac_input",
        resultsClass: "ac_results",
        loadingClass: "ac_loading",
        minChars: 1,
        delay: 400,
        matchCase: false,
        matchSubset: true,
        matchContains: false,
        cacheLength: 10,
        max: 100,
        mustMatch: false,
        extraParams: {},
        selectFirst: true,
        formatItem: function (row) { return row[0]; },
        formatMatch: null,
        autoFill: false,
        width: 0,
        multiple: false,
        multipleSeparator: ",",
        highlight: function (value, term) {
            //$1 这段代码 导致第二个参数第一个字变粗
            //return value.replace(new RegExp("(?![^&;]+;)(?!<[^<>]*)(" + term.replace(/([\^\$\(\)\[\]\{\}\*\.\+\?\|\\])/gi, "\\$1") + ")(?![^<>]*>)(?![^&;]+;)", "gi"), "$1");
            return value.replace(new RegExp("(?![^&;]+;)(?!<[^<>]*)(" + term.replace(/([\^\$\(\)\[\]\{\}\*\.\+\?\|\\])/gi, "\\$1") + ")(?![^<>]*>)(?![^&;]+;)", "gi"), "$1");
        },
        scroll: true,
        scrollHeight: 180
    };

    $.Autocompleter.Cache = function (options) {

        var data = {};
        var length = 0;

        function matchSubset(s, sub) {
            if (!options.matchCase)
                s = s.toLowerCase();
            var i = s.indexOf(sub);
            if (i == -1) return false;
            return i == 0 || options.matchContains;
        };

        function add(q, value) {
            if (length > options.cacheLength) {
                flush();
            }
            if (!data[q]) {
                length++;
            }
            data[q] = value;
        }

        function populate() {
            if (!options.data) return false;
            // track the matches
            var stMatchSets = {},
                nullData = 0;

            // no url was specified, we need to adjust the cache length to make sure it fits the local data store
            if (!options.url) options.cacheLength = 1;

            // track all options for minChars = 0
            stMatchSets[""] = [];

            // loop through the array and create a lookup structure
            for (var i = 0, ol = options.data.length; i < ol; i++) {
                var rawValue = options.data[i];
                // if rawValue is a string, make an array otherwise just reference the array
                rawValue = (typeof rawValue == "string") ? [rawValue] : rawValue;

                var value = options.formatMatch(rawValue, i + 1, options.data.length);
                if (value === false)
                    continue;

                var firstChar = value.charAt(0).toLowerCase();
                // if no lookup array for this character exists, look it up now
                if (!stMatchSets[firstChar])
                    stMatchSets[firstChar] = [];

                // if the match is a string
                var row = {
                    value: value,
                    data: rawValue,
                    result: options.formatResult && options.formatResult(rawValue) || value
                };

                // push the current match into the set list
                stMatchSets[firstChar].push(row);

                // keep track of minChars zero items
                if (nullData++ < options.max) {
                    stMatchSets[""].push(row);
                }
            };

            // add the data items to the cache
            $.each(stMatchSets, function (i, value) {
                // increase the cache size
                options.cacheLength++;
                // add to the cache
                add(i, value);
            });
        }

        // populate any existing data
        setTimeout(populate, 25);

        function flush() {
            data = {};
            length = 0;
        }

        return {
            flush: flush,
            add: add,
            populate: populate,
            load: function (q) {
                if (!options.cacheLength || !length)
                    return null;
                /* 
                 * if dealing w/local data and matchContains than we must make sure
                 * to loop through all the data collections looking for matches
                 */
                if (!options.url && options.matchContains) {
                    // track all matches
                    var csub = [];
                    // loop through all the data grids for matches
                    for (var k in data) {
                        // don't search through the stMatchSets[""] (minChars: 0) cache
                        // this prevents duplicates
                        if (k.length > 0) {
                            var c = data[k];
                            $.each(c, function (i, x) {
                                // if we've got a match, add it to the array
                                if (matchSubset(x.value, q)) {
                                    csub.push(x);
                                }
                            });
                        }
                    }
                    return csub;
                } else
                    // if the exact item exists, use it
                    if (data[q]) {
                        return data[q];
                    } else
                        if (options.matchSubset) {
                            for (var i = q.length - 1; i >= options.minChars; i--) {
                                var c = data[q.substr(0, i)];
                                if (c) {
                                    var csub = [];
                                    $.each(c, function (i, x) {
                                        if (matchSubset(x.value, q)) {
                                            csub[csub.length] = x;
                                        }
                                    });
                                    return csub;
                                }
                            }
                        }
                return null;
            }
        };
    };

    $.Autocompleter.Select = function (options, input, select, config) {
        var CLASSES = {
            ACTIVE: "ac_over"
        };

        var listItems,
            active = -1,
            data,
            term = "",
            needsInit = true,
            element,
            list;

        // Create results
        function init() {
            if (!needsInit)
                return;
            element = $("
") .hide() .addClass(options.resultsClass) .css("position", "absolute") .appendTo(document.body); list = $("
    ").appendTo(element).mouver(function (event) { if (target(event).nodeName && target(event).nodeName.toUpperCase() == 'LI') { active = $("li", list).removeClass(CLASSES.ACTIVE).index(target(event)); $(target(event)).addClass(CLASSES.ACTIVE); } }).click(function (event) { $(target(event)).addClass(CLASSES.ACTIVE); select(); // TODO provide option to avoid setting focus again after selection? useful for cleanup-on-focus input.focus(); return false; }).mousedown(function () { config.mouseDownOnSelect = true; }).mouseup(function () { config.mouseDownOnSelect = false; }); if (options.width > 0) element.css("width", options.width); needsInit = false; } function target(event) { var element = event.target; while (element && element.tagName != "LI") element = element.parentNode; // more fun with IE, sometimes event.target is empty, just ignore it then if (!element) return []; return element; } function moveSelect(step) { listItems.slice(active, active + 1).removeClass(CLASSES.ACTIVE); movePosition(step); var activeItem = listItems.slice(active, active + 1).addClass(CLASSES.ACTIVE); if (options.scroll) { var offset = 0; listItems.slice(0, active).each(function () { offset += this.offsetHeight; }); if ((offset + activeItem[0].offsetHeight - list.scrollTop()) > list[0].clientHeight) { list.scrollTop(offset + activeItem[0].offsetHeight - list.innerHeight()); } else if (offset < list.scrollTop()) { list.scrollTop(offset); } } }; function movePosition(step) { active += step; if (active < 0) { active = listItems.size() - 1; } else if (active >= listItems.size()) { active = 0; } } function limitNumberOfItems(available) { return options.max && options.max < available ? options.max : available; } function fillList() { list.empty(); var max = limitNumberOfItems(data.length); for (var i = 0; i < max; i++) { if (!data[i]) continue; var formatted = options.formatItem(data[i].data, i + 1, max, data[i].value, term); if (formatted === false) continue; var li = $("
  • ").html(options.highlight(formatted, term)).addClass(i % 2 == 0 ? "ac_even" : "ac_odd").appendTo(list)[0]; $.data(li, "ac_data", data[i]); } listItems = list.find("li"); if (options.selectFirst) { listItems.slice(0, 1).addClass(CLASSES.ACTIVE); active = 0; } // apply bgiframe if available if ($.fn.bgiframe) list.bgiframe(); } return { display: function (d, q) { init(); data = d; term = q; fillList(); }, next: function () { moveSelect(1); }, prev: function () { moveSelect(-1); }, pageUp: function () { if (active != 0 && active - 8 < 0) { moveSelect(-active); } else { moveSelect(-8); } }, pageDown: function () { if (active != listItems.size() - 1 && active + 8 > listItems.size()) { moveSelect(listItems.size() - 1 - active); } else { moveSelect(8); } }, hide: function () { element && element.hide(); listItems && listItems.removeClass(CLASSES.ACTIVE); active = -1; }, visible: function () { return element && element.is(":visible"); }, current: function () { return this.visible() && (listItems.filter("." + CLASSES.ACTIVE)[0] || options.selectFirst && listItems[0]); }, show: function () { var offset = $(input).offset(); element.css({ width: typeof options.width == "string" || options.width > 0 ? options.width : $(input).width(), top: offset.top + input.offsetHeight, left: offset.left }).show(); if (options.scroll) { list.scrollTop(0); list.css({ maxHeight: options.scrollHeight, overflow: 'hidden' }); if ($.browser.msie && typeof document.body.style.maxHeight === "undefined") { var listHeight = 0; listItems.each(function () { listHeight += this.offsetHeight; }); var scrollbarsVisible = listHeight > options.scrollHeight; list.css('height', scrollbarsVisible ? options.scrollHeight : listHeight); if (!scrollbarsVisible) { // IE doesn't recalculate width when scrollbar disappears listItems.width(list.width() - parseInt(listItems.css("padding-left")) - parseInt(listItems.css("padding-right"))); } } } }, selected: function () { var selected = listItems && listItems.filter("." + CLASSES.ACTIVE).removeClass(CLASSES.ACTIVE); return selected && selected.length && $.data(selected[0], "ac_data"); }, emptyList: function () { list && list.empty(); }, unbind: function () { element && element.remove(); } }; }; $.Autocompleter.Selection = function (field, start, end) { if (field.createTextRange) { var selRange = field.createTextRange(); selRange.collapse(true); selRange.moveStart("character", start); selRange.moveEnd("character", end); selRange.select(); } else if (field.setSelectionRange) { field.setSelectionRange(start, end); } else { if (field.selectionStart) { field.selectionStart = start; field.selectionEnd = end; } } field.focus(); }; })(jQuery);


本文参考这哥们改变过来的,多亏这哥们了!

http://download.csdn.net/download/smallipis/4291438




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