layui的selectM.js多选插件下拉多选框-蒲公英云

采用layui的selectM.js多选插件 实现下拉多选框

实现步骤：

下载layui的selectM.js多选插件

   网址：https://fly.layui.com/extend/selectN,selectM/

将下载的文件添加到项目中

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在jsp文件中引用 layui.js selectM.js layui.css 这3个文件

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HTML代码：

<form class="layui-form" method="post">
      <div class="layui-form-item">
            <label class="layui-form-label">多级1</label>
            <div id="cat_ids1">            
      </div>
      </div>
      <div class="layui-form-item">
            <label class="layui-form-label">多级2</label>
            <div id="cat_ids2">            
      </div>
      </div> 
      <div class="layui-form-item">
            <label class="layui-form-label">多选1</label>
            <div class="layui-input-block" id="tag_ids1">
      </div>
      </div>
      <div class="layui-form-item">
            <label class="layui-form-label">多选2</label>
            <div class="layui-input-block" id="tag_ids2">
      </div>
      </div>          
      <div class="layui-form-item" style="text-align:center;">
        <div class="layui-input-block">
          <button type="button" class="layui-btn" lay-submit="" lay-filter="demo">console.log</button>
            </div> 
      </div>
    </form>
  <div id="btn-wrap">
    <button type="button" class="layui-btn set1">设置多级1</button>
    <button type="button" class="layui-btn set2">设置多选1</button>
  </div>

JS代码：

<script>
  var tagData = [{"id":12,"name":"长者","status":0},{"id":13,"name":"工厂"},{"id":14,"name":"小学生"},{"id":15,"name":"大学生"},{"id":16,"name":"研究生"},{"id":17,"name":"教师"},{"id":18,"name":"记者"}];    
  var catData = [{"id":1,"name":"周边旅游","children":[{"id":24,"name":"广东","status":0,"children":[{"id":7,"name":"广州"},{"id":23,"name":"潮州"}]}]},{"id":5,"name":"国内旅游","children":[{"id":8,"name":"华北地区","children":[{"id":9,"name":"北京"}]}]},{"id":6,"name":"出境旅游","children":[{"id":10,"name":"东南亚","children":[{"id":11,"name":"马来西亚","children":[{"id":20,"name":"沙巴","children":[{"id":21,"name":"美人鱼岛","children":[{"id":22,"name":"潜水"}]}]}]}]}]}];
  layui.config({
    base : './'
  }).extend({
    selectN: './layui_extends/selectN',
    selectM: './layui_extends/selectM',
  }).use(['layer','form','jquery','selectN','selectM'],function(){
    $ = layui.jquery;    
    var form = layui.form
    ,selectN = layui.selectN
    ,selectM = layui.selectM;
    //无限级分类-基本配置
    var catIns1 = selectN({
      //元素容器【必填】
      elem: '#cat_ids1'
      ,search:[false,true]
      //候选数据【必填】
      ,data: catData
    });     
    //无限级分类-所有配置
    var catIns2 = selectN({
      //元素容器【必填】
      elem: '#cat_ids2'
      //候选数据【必填】
      ,data: catData 
      //设置了长度
      ,width:null
      //默认值
      ,selected: [6,10,11] 
      //为真只取最后一个值
      ,last:true       
            //空值项提示，可设置为数组['请选择省','请选择市','请选择县']
            ,tips: '请选择'
            //事件过滤器，lay-filter名 不设置与选择器相同(去#.)
            ,filter: ''
            //input的name 不设置与选择器相同(去#.)
            ,name: 'cat2'
            //数据分隔符
            ,delimiter: ','
            //数据的键名
            ,field:{idName:'id',titleName:'name',childName:'children'}
            //表单区分 form.render(type, filter); 为class="layui-form" 所在元素的 lay-filter="" 的值 
            ,formFilter: null      
    }); 
    //多选标签-基本配置
    var tagIns1 = selectM({
      //元素容器【必填】
      elem: '#tag_ids1'
      //候选数据【必填】
      ,data: tagData
      ,max:2
      ,width:400
      //添加验证
      ,verify:'required'      
    }); 
    //多选标签-所有配置
    var tagIns2 = selectM({
      //元素容器【必填】
      elem: '#tag_ids2'
      //候选数据【必填】
      ,data: tagData
      //默认值
      ,selected: [12,17]             
      //最多选中个数，默认5
            ,max : 6
            //input的name 不设置与选择器相同(去#.)
            ,name: 'tag2'
            //值的分隔符
            ,delimiter: ','
            //候选项数据的键名
            ,field: {idName:'id',titleName:'name'}
    });
    form.on('submit(demo)',function(data){            
      console.log('catIns1 当前选中的值名：',catIns1.selected);
      console.log('catIns1 当前选中的值：',catIns1.values);
      console.log('catIns1 当前选中的名：',catIns1.names);
      console.log('catIns1 当前最后一个选中值：',catIns1.lastValue);
      console.log('catIns1 当前最后一个选中名：',catIns1.lastName);
      console.log('catIns1 当前最后一个是否已选：',catIns1.isSelected);
      console.log('');
      console.log('tagIns1 当前选中的值名：',tagIns1.selected);
      console.log('tagIns1 当前选中的值：',tagIns1.values);
      console.log('tagIns1 当前选中的名：',tagIns1.names);      
      console.log('');
      var formData = data.field;
      console.log('表单对象：',formData);
    })
        //通过js动态选择
    $('.set1').click(function(){
      catIns1.set([6,10]);
    });
        //通过js动态选择
    $('.set2').click(function(){
      tagIns1.set([12,13,14,15]);
    });
  });
</script>