多選下拉框(select 下拉多選)

方法一:使用multiple-select.js和multiple-select .css實現css

HTML代碼:html

  <select id='checkedLevel' style="width:120px;height:28px;" multiple="multiple">
    <option value="1">選項1</option>
    <option value="2">選項1</option>
    <option value="3">選項1</option>
    <option value="4">選項1</option>
    <option value="5">選項1</option>
    <option value="6">選項1</option>
    <option value="7">選項1</option>                                                                                                                                                           
  </select>   node


                                                                                                                                                                                                                                                                                                                                                          
js代碼:jquery

  $('#checkedLevel').multipleSelect({
    addTitle: true, //鼠標點懸停在下拉框時是否顯示被選中的值
    selectAll: false, //是否顯示所有複選框,默認顯示
    name: "質控級別",
    selectAllText: "選擇所有", //選擇所有的複選框的text值
    allSelected: "所有", //所有選中後顯示的值
    //delimiter: ', ', //多個值直接的間隔符,默認是逗號
    placeholder: "質控級別" //不選擇時下拉框顯示的內容
  });git

//設置默認選中:其中數組中多個值用逗號分隔,值是option的value
  $("#checkedLevel").multipleSelect('setSelects', [1001,1002]);
設置選中後關閉下拉框:
        $('#selectJcjb').multipleSelect("close");//其餘的方法,可到js中去查看方法名,根據實際狀況進行調用。github


 

參照網址:http://wenzhixin.net.cn/p/multiple-select/docs/index.html?locale=zh_CN#with-optgroups1web

     https://www.jqueryscript.net/form/jQuery-Plugin-For-Selecting-Multiple-Elements-Multiple-Select.htmlbootstrap

       http://www.jq22.com/yanshi2604數組

       http://www.jq22.com/jquery-info2604app

       http://www.jq22.com/jquery-info20898?tdsourcetag=s_pcqq_aiomsg

提示:也能夠使用bootstrap.multiselect實現,參照網址:http://davidstutz.de/bootstrap-multiselect/

原文:https://blog.csdn.net/shunhua19881987/article/details/81354122 


方法二:
 參考網址http://www.17sucai.com/pins/31871.html

        http://www.javashuo.com/article/p-aangzcau-gh.html


方法三:

效果展現:

 

HTML代碼:

  <select id="organId" name="organId" multiple="multiple" >

    <option value="1">選項1</option>
    <option value="2">選項1</option>
    <option value="3">選項1</option>
    <option value="4">選項1</option>
    <option value="5">選項1</option>
    <option value="6">選項1</option>
    <option value="7">選項1</option>                                                                                                                                                           
  </select>   

用法:

 

$(function () {

$("#organId").fSelect();
});

 


 

css文件:

.fs-wrap {
position: relative;
display: inline-block;
width: 200px;
font-size: 12px;
line-height: 1;
}

.fs-label-wrap {
position: relative;
border: 1px solid #ddd;
cursor: default;
}

.fs-label-wrap,
.fs-dropdown {
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
}

.fs-label-wrap .fs-label {
padding: 4px 22px 4px 8px;
text-overflow: ellipsis;
white-space: nowrap;
overflow: hidden;
}

.fs-arrow {
width: 0;
height: 0;
border-left: 6px solid transparent;
border-right: 6px solid transparent;
border-top: 6px solid #000;
position: absolute;
top: 0;
right: 5px;
bottom: 0;
margin: auto;
}

.fs-dropdown {
position: absolute;
background-color: #fff;
border: 1px solid #ccc;
margin-top: 5px;
width: 100%;
z-index: 1000;
}

.fs-dropdown .fs-options {
max-height: 200px;
overflow: auto;
}

.fs-search input {
width: 100%;
padding: 2px 4px;
border: 0;
}

.fs-option,
.fs-search,
.fs-optgroup-label {
padding: 6px 8px;
border-bottom: 1px solid #eee;
cursor: default;
}

.fs-option {
cursor: pointer;
}

.fs-option.hl {
background-color: #f5f5f5;
}

.fs-wrap.multiple .fs-option {
position: relative;
padding-left: 30px;
}

.fs-wrap.multiple .fs-checkbox {
position: absolute;
display: block;
width: 30px;
top: 0;
left: 0;
bottom: 0;
}

.fs-wrap.multiple .fs-option .fs-checkbox i {
position: absolute;
margin: auto;
left: 0;
right: 0;
top: 0;
bottom: 0;
width: 14px;
height: 14px;
border: 1px solid #aeaeae;
border-radius: 2px;
background-color: #fff;
}

.fs-wrap.multiple .fs-option.selected .fs-checkbox i {
background-color: rgb(17, 169, 17);
border-color: transparent;
background-image: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAGCAYAAAD+Bd/7AAAABHNCSVQICAgIfAhkiAAAAAlwSFlzAAALEgAACxIB0t1+/AAAABx0RVh0U29mdHdhcmUAQWRvYmUgRmlyZXdvcmtzIENTNXG14zYAAABMSURBVAiZfc0xDkAAFIPhd2Kr1WRjcAExuIgzGUTIZ/AkImjSofnbNBAfHvzAHjOKNzhiQ42IDFXCDivaaxAJd0xYshT3QqBxqnxeHvhunpu23xnmAAAAAElFTkSuQmCC');
background-repeat: no-repeat;
background-position: center;
}

.fs-wrap .fs-option:hover {
background-color: #f5f5f5;
}

.fs-optgroup-label {
font-weight: bold;
}

.hidden {
display: none;
}


/*根據本項目自定義修改*/
.visibility-hidden{
display:block;
visibility: hidden;
position:absolute;
top:0;
}
.deptWrap,.fs-wrap,.fs-label-wrap{
width:100%;
height:30px;
-webkit-box-sizing: border-box;
-moz-box-sizing: border-box;
box-sizing: border-box;
}
.fs-wrap{position:relative}
.fs-label-wrap .fs-label{
padding: 0;
height: 30px;
line-height: 30px;
-webkit-box-sizing: border-box;
-moz-box-sizing: border-box;
box-sizing: border-box;
padding-left:6px;
padding-right:10px;
}
.btnFixed{
height:28px;
text-align:center;
}
.btnFixed>.buttonDefault{
width: 60px;
height: 24px;
background: rgb(86, 148, 254);
border: none;
margin-left: 10px;
color: #fff;
margin-top: 2px;
border-radius: 4px;
}
.btnFixed>.buttonDefault:hover{
background: rgb(181, 226, 254);
color: #4284f5;
}
.fs-search{padding:2px 8px;}
.fs-dropdown{
margin-top: 0px;
box-shadow: 4px 4px 4px #ddd;
}
.fs-wrap.multiple .fs-option.selected .fs-checkbox i{
background-color: rgb(86, 148, 254);
}

 

js文件:

(function($) {    $.fn.fSelect = function(options) {        if (typeof options == 'string' ) {            var settings = options;        }        else {            //默認配置項            var settings = $.extend({                placeholder:  ' ===請選擇=== ',//佔位符,默認顯示什麼                numDisplayed: 10,//設置頁面上能夠顯示幾個選項(超出這個數量將會顯示選擇了n項)                overflowText: '選擇了{n}項',//超出這個數量將會顯示"選擇了n項"                searchText: '搜索',//搜索框中佔位符顯示什麼字                showSearch: true//是否顯示搜索框            }, options);        }        /**         * Constructor         */        function fSelect(select, settings) {            this.$select = $(select);            this.settings = settings;            this.create();        }        /**         * Prototype class         */        fSelect.prototype = {            create: function() {                var multiple = this.$select.is('[multiple]') ? ' multiple' : '';                this.$select.wrap('<div class="fs-wrap' + multiple + '"></div>');                this.$select.before('<div class="fs-label-wrap"><div class="fs-label">' + this.settings.placeholder + '</div><span class="fs-arrow"></span></div>');                this.$select.before('<div class="fs-dropdown hidden"><div class="fs-options"></div></div>');                // this.$select.addClass('hidden');                this.$select.addClass('visibility-hidden');                this.$wrap = this.$select.closest('.fs-wrap');                //添加全選和清空按鈕                var BtnFixed = '<div class="btnFixed"><button class="buttonDefault" id="selectAllBtn" type="button">全選</button><button class="buttonDefault" id="clearAllBtn" type="button">清空</button></div>';                this.$wrap.find('.fs-dropdown').append(BtnFixed);                this.reload();            },            reload: function() {                //若是設置顯示搜索框,執行下面方法                if (this.settings.showSearch) {                    var search = '<div class="fs-search"><input type="search" placeholder="' + this.settings.searchText + '" /></div>';                    this.$wrap.find('.fs-dropdown').prepend(search);                }                var choices = this.buildOptions(this.$select);                //獲取到全部option選項                this.$wrap.find('.fs-options').append(choices);                //選中當前已選的值                var valArr = this.$select.val();                // if(valArr.length){                if(valArr){                    var $fsOption = this.$wrap.find('.fs-option');                    valArr.forEach(function(currentValue){                        $fsOption.each(function(){                            if(currentValue == $(this).attr('data-value')){                                $(this).addClass("selected");                            }                        });                    });                }                //獲取到選中狀態的選項                this.reloadDropdownLabel();            },            destroy: function() {                this.$wrap.find('.fs-label-wrap').remove();                this.$wrap.find('.fs-dropdown').remove();                // this.$select.unwrap().removeClass('hidden');                this.$select.unwrap().removeClass('visibility-hidden');            },            //獲取select的option選項,並賦值到插件自定義的每一選項div裏            buildOptions: function($element) {                var $this = this;                var choices = '';                $element.children().each(function(i, el) {                    var $el = $(el);                    //支持 optiongroup                    if ('optgroup' == $el.prop('nodeName').toLowerCase()) {                        choices += '<div class="fs-optgroup">';                        choices += '<div class="fs-optgroup-label">' + $el.prop('label') + '</div>';                        choices += $this.buildOptions($el);                        choices += '</div>';                    }                    else {                        var selected = $el.is('[selected]') ? ' selected' : '';                        choices += '<div class="fs-option' + selected + '" data-value="' + $el.prop('value') + '"><span class="fs-checkbox"><i></i></span><div class="fs-option-label">' + $el.html() + '</div></div>';                    }                });                return choices;            },            //每次加載時判斷一下插件自定義的每一選項div哪些是選中狀態,將選中狀態對應的文字,push到一個數組labelText裏,頁面上顯示出來的文字就是數組中獲取到的文字            reloadDropdownLabel: function() {                var settings = this.settings;                var labelText = [];                this.$wrap.find('.fs-option.selected').each(function(i, el) {                    labelText.push($(el).find('.fs-option-label').text());                });                if (labelText.length < 1) {                    labelText = settings.placeholder;                }                else if (labelText.length > settings.numDisplayed) {                    labelText = settings.overflowText.replace('{n}', labelText.length);                }                else {                    labelText = labelText.join(', ');                }                this.$wrap.find('.fs-label').html(labelText);                this.$wrap.find('.fs-label').attr("title",labelText);                this.$select.change();            }        }        /**         * Loop through each matching element         */        return this.each(function() {            var data = $(this).data('fSelect');            if (!data) {                data = new fSelect(this, settings);                $(this).data('fSelect', data);            }            if (typeof settings == 'string') {                data[settings]();            }        });    }    /**     * Events     */    window.fSelect = {        'active': null,        'idx': -1    };    function setIndexes($wrap) {        $wrap.find('.fs-option:not(.hidden)').each(function(i, el) {            $(el).attr('data-index', i);            $wrap.find('.fs-option').removeClass('hl');        });        $wrap.find('.fs-search input').focus();        window.fSelect.idx = -1;    }    function setScroll($wrap) {        var $container = $wrap.find('.fs-options');        var $selected = $wrap.find('.fs-option.hl');        var itemMin = $selected.offset().top + $container.scrollTop();        var itemMax = itemMin + $selected.outerHeight();        var containerMin = $container.offset().top + $container.scrollTop();        var containerMax = containerMin + $container.outerHeight();        if (itemMax > containerMax) { // scroll down            var to = $container.scrollTop() + itemMax - containerMax;            $container.scrollTop(to);        }        else if (itemMin < containerMin) { // scroll up            var to = $container.scrollTop() - containerMin - itemMin;            $container.scrollTop(to);        }    }    //插件選項的點擊事件    $(document).on('click', '.fs-option', function() {        var $wrap = $(this).closest('.fs-wrap');        if ($wrap.hasClass('multiple')) {            var selected = [];            $(this).toggleClass('selected');            $wrap.find('.fs-option.selected').each(function(i, el) {                selected.push($(el).attr('data-value'));            });        }        else {            var selected = $(this).attr('data-value');            $wrap.find('.fs-option').removeClass('selected');            $(this).addClass('selected');            $wrap.find('.fs-dropdown').hide();        }        $wrap.find('select').val(selected);        $wrap.find('select').fSelect('reloadDropdownLabel');    });    $(document).on('keyup', '.fs-search input', function(e) {        if (40 == e.which) {            $(this).blur();            return;        }        var $wrap = $(this).closest('.fs-wrap');        var keywords = $(this).val();        $wrap.find('.fs-option, .fs-optgroup-label').removeClass('hidden');        if ('' != keywords) {            $wrap.find('.fs-option').each(function() {                var regex = new RegExp(keywords, 'gi');                if (null === $(this).find('.fs-option-label').text().match(regex)) {                    $(this).addClass('hidden');                }            });            $wrap.find('.fs-optgroup-label').each(function() {                var num_visible = $(this).closest('.fs-optgroup').find('.fs-option:not(.hidden)').length;                if (num_visible < 1) {                    $(this).addClass('hidden');                }            });        }        setIndexes($wrap);    });    //顯示隱藏下拉選項    $(document).on('click', function(e) {        var $el = $(e.target);        var $wrap = $el.closest('.fs-wrap');        if (0 < $wrap.length) {            if ($el.hasClass('fs-label')) {                window.fSelect.active = $wrap;                var is_hidden = $wrap.find('.fs-dropdown').hasClass('hidden');                $('.fs-dropdown').addClass('hidden');                if (is_hidden) {                    $wrap.find('.fs-dropdown').removeClass('hidden');                }                else {                    $wrap.find('.fs-dropdown').addClass('hidden');                }                setIndexes($wrap);            }        }        else {            $('.fs-dropdown').addClass('hidden');            window.fSelect.active = null;        }    });    $(document).on('keydown', function(e) {        var $wrap = window.fSelect.active;        if (null === $wrap) {            return;        }        else if (38 == e.which) { // up            e.preventDefault();            $wrap.find('.fs-option').removeClass('hl');            if (window.fSelect.idx > 0) {                window.fSelect.idx--;                $wrap.find('.fs-option[data-index=' + window.fSelect.idx + ']').addClass('hl');                setScroll($wrap);            }            else {                window.fSelect.idx = -1;                $wrap.find('.fs-search input').focus();            }        }        else if (40 == e.which) { // down            e.preventDefault();            var last_index = $wrap.find('.fs-option:last').attr('data-index');            if (window.fSelect.idx < parseInt(last_index)) {                window.fSelect.idx++;                $wrap.find('.fs-option').removeClass('hl');                $wrap.find('.fs-option[data-index=' + window.fSelect.idx + ']').addClass('hl');                setScroll($wrap);            }        }        else if (32 == e.which || 13 == e.which) { // space, enter            $wrap.find('.fs-option.hl').click();        }        else if (27 == e.which) { // esc            $('.fs-dropdown').addClass('hidden');            window.fSelect.active = null;        }    });    //=========================全選=====================================    $(document).on('click','#selectAllBtn', function( ) {        var $wrap = $(this).closest('.fs-wrap');        if ($wrap.hasClass('multiple')) {            var selected = [];            $wrap.find(".fs-option").addClass('selected');            $wrap.find('.fs-option.selected').each(function(i, el) {                selected.push($(el).attr('data-value'));            });        }        $wrap.find('select').val(selected);        $wrap.find('select').fSelect('reloadDropdownLabel');    });    //=========================全不選/清空=====================================    $(document).on('click','#clearAllBtn', function( ) {        var $wrap = $(this).closest('.fs-wrap');        if ($wrap.hasClass('multiple')) {            var selected = [];            $wrap.find(".fs-option").removeClass('selected');            $wrap.find('.fs-option.selected').each(function(i, el) {                selected.push($(el).attr('data-value'));            });        }        $wrap.find('select').val(selected);        $wrap.find('select').fSelect('reloadDropdownLabel');    });})(jQuery);
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