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ant-design-vue/components/cascader/demo/search.md

1.8 KiB

#### 搜索 可以直接搜索选项并选择。 > `Cascader[showSearch]` 暂不支持服务端搜索,更多信息见 [#5547](https://github.com/ant-design/ant-design/issues/5547) #### Search Search and select options directly. > Now, `Cascader[showSearch]` doesn't support search on server, more info [#5547](https://github.com/ant-design/ant-design/issues/5547)
<template>
  <a-cascader
    :options="options"
    :showSearch="{filter}"
    @change="onChange"
    placeholder="Please select"
  />
</template>
<script>
  export default {
    data() {
      return {
        options: [
          {
            value: 'zhejiang',
            label: 'Zhejiang',
            children: [
              {
                value: 'hangzhou',
                label: 'Hangzhou',
                children: [
                  {
                    value: 'xihu',
                    label: 'West Lake',
                  },
                  {
                    value: 'xiasha',
                    label: 'Xia Sha',
                    disabled: true,
                  },
                ],
              },
            ],
          },
          {
            value: 'jiangsu',
            label: 'Jiangsu',
            children: [
              {
                value: 'nanjing',
                label: 'Nanjing',
                children: [
                  {
                    value: 'zhonghuamen',
                    label: 'Zhong Hua men',
                  },
                ],
              },
            ],
          },
        ],
      };
    },
    methods: {
      onChange(value, selectedOptions) {
        console.log(value, selectedOptions);
      },
      filter(inputValue, path) {
        return path.some(
          option => option.label.toLowerCase().indexOf(inputValue.toLowerCase()) > -1,
        );
      },
    },
  };
</script>