单选


多选无折叠


多选折叠


*elem：HTMLElement对象，例如：$('input[name=example]')[0]
*options：Array 数据
onChange: Function(curr, value) curr: 选中值，value：所有值(当multiple为true有效)
multiple：boolean 是否开启多选，默认 Flase
collapseTags：boolean 是否折叠选项（multiple 开启时有效），默认 True
showAllLevels: boolean 是否查看所有级名，默认 True
props：数据对象解析，默认：{ label: 'label', value: 'value', children: 'children' }
placeholder：String 无选择文本填充 默认 请选择
separator：String 显示文本的分隔符号（showAllLevels开启时生效） 默认 /
valueSeparator：String 选择值的级联分隔符号 默认 ,
groupSeparator：String 多选时选择值的组分隔符号 默认 |

---

layui.config({
    base: './ext/'
  }).extend({
    cascader: 'cascader/cascader'
  }).use(['jquery', 'cascader'], function () {
    var $ = layui.jquery, cascader = layui.cascader;
    var areaTree = '[{"id":"1000","province_city":"\u5317\u4eac","fid":"0","children":[{"id":"1368","province_city":"\u5317\u4eac\u5e02","fid":"1000","children":[{"id":"1397","province_city":"\u4e1c\u57ce\u533a","fid":"1368"},{"id":"1398","province_city":"\u897f\u57ce\u533a","fid":"1368"},{"id":"1399","province_city":"\u5d07\u6587\u533a","fid":"1368"},{"id":"1400","province_city":"\u5ba3\u6b66\u533a","fid":"1368"},{"id":"1401","province_city":"\u671d\u9633\u533a","fid":"1368"},{"id":"1402","province_city":"\u6d77\u6dc0\u533a","fid":"1368"},{"id":"1403","province_city":"\u4e30\u53f0\u533a","fid":"1368"},{"id":"1404","province_city":"\u77f3\u666f\u5c71\u533a","fid":"1368"},{"id":"1405","province_city":"\u623f\u5c71\u533a","fid":"1368"},{"id":"1406","province_city":"\u901a\u5dde\u533a","fid":"1368"},{"id":"1407","province_city":"\u987a\u4e49\u533a","fid":"1368"},{"id":"1408","province_city":"\u95e8\u5934\u6c9f\u533a","fid":"1368"},{"id":"1409","province_city":"\u660c\u5e73\u533a","fid":"1368"},{"id":"1410","province_city":"\u5927\u5174\u533a","fid":"1368"},{"id":"1411","province_city":"\u6000\u67d4\u533a","fid":"1368"},{"id":"1412","province_city":"\u5e73\u8c37\u533a","fid":"1368"},{"id":"1413","province_city":"\u5bc6\u4e91\u53bf","fid":"1368"},{"id":"1414","province_city":"\u5ef6\u5e86\u533a","fid":"1368"}]}]},{"id":"1001","province_city":"\u4e0a\u6d77","fid":"0","children":[{"id":"1369","province_city":"\u4e0a\u6d77\u5e02","fid":"1001","children":[{"id":"1433","province_city":"\u9ec4\u6d66\u533a","fid":"1369"},{"id":"1434","province_city":"\u5362\u6e7e\u533a","fid":"1369"},{"id":"1435","province_city":"\u5f90\u6c47\u533a","fid":"1369"},{"id":"1436","province_city":"\u957f\u5b81\u533a","fid":"1369"},{"id":"1437","province_city":"\u9759\u5b89\u533a","fid":"1369"},{"id":"1438","province_city":"\u666e\u9640\u533a","fid":"1369"},{"id":"1439","province_city":"\u95f8\u5317\u533a","fid":"1369"},{"id":"1440","province_city":"\u8679\u53e3\u533a","fid":"1369"},{"id":"1441","province_city":"\u6768\u6d66\u533a","fid":"1369"},{"id":"1442","province_city":"\u5b9d\u5c71\u533a","fid":"1369"},{"id":"1443","province_city":"\u95f5\u884c\u533a","fid":"1369"},{"id":"1444","province_city":"\u5609\u5b9a\u533a","fid":"1369"},{"id":"1445","province_city":"\u677e\u6c5f\u533a","fid":"1369"},{"id":"1446","province_city":"\u91d1\u5c71\u533a","fid":"1369"},{"id":"1447","province_city":"\u9752\u6d66\u533a","fid":"1369"},{"id":"1448","province_city":"\u6d66\u4e1c\u65b0\u533a","fid":"1369"},{"id":"1449","province_city":"\u5357\u6c47\u533a","fid":"1369"},{"id":"1450","province_city":"\u5949\u8d24\u533a","fid":"1369"},{"id":"1451","province_city":"\u5d07\u660e\u53bf","fid":"1369"}]}]}]';

    cascader.render({
      elem: $('input[name=areas]')[0],
      showAllLevels: true,
      props: {
        label: 'province_city',
        value: 'id',
        children: 'children'
      },
      options: JSON.parse(areaTree),
    });
  });

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