<a-form-item label='标签' v-bind="formItemLayout">
  <a-select
   mode="tags"
   :allowClear="true"
   :filterOption="filterOption"
   style="width: 100%"
   v-decorator="['tag',{rules: [{ required: true, message: '请选择标签' }]}]">
   <a-select-option v-for="t in tags" :key="t.id.toString()">{{t.tagName}}</a-select-option>
  </a-select>
</a-form-item>

filterOption(input, option) {
  return (
   option.componentOptions.children[0].text.toLowerCase().indexOf(input.toLowerCase()) >= 0
  );
},

componentDidMount() {
 const { dispatch } = this.props;
 dispatch({
  type: 'project/searchProject',
  payload: { },
  callback: (res) => {
  this.setState({
   data: res.data
  })
  }
 });
 }

const children = [];
data.forEach(d => {
 children.push(<Option key={d.id}>{d.name}</Option>);
})

<Select
 showSearch
 allowClear
 labelInValue
 placeholder="请选择项目"
 optionFilterProp="children"
 onSearch={this.handleSearch}
 onChange={this.handleChange}
 filterOption={(input, option) =>
  option.props.children[0].toLowerCase().indexOf(input.toLowerCase()) >= 0
 }
 >
 {children}
 </Select>

handleSearch = value => {
 const { dispatch } = this.props;
 dispatch({
  type: 'project/searchProject',
  payload: {
  q: value
  },
  callback: (res) => {
  this.setState({
   data: res.data
  })
  }
 });
};

handleChange = value => {
 const { dispatch } = this.props;
 dispatch({
  type: 'project/searchProject',
  callback: (res) => {
  this.setState({
   data: res.data
  })
  }
 });
 };