React组件之多选Checkbox实例

import React, { PureComponent } from "react";
import { List, NavBar, Checkbox } from "antd-mobile";
import { Icon } from "antd";
import TouchFeedback from "rmc-feedback";
import NavContentContainer from "./NavContentContainer";
import PanelContentContainer from "./PanelContentContainer";
 
export default class Checkbox_ extends PureComponent {
  constructor(props) {
    super(props);
    this.state = { select: [] };
  }
 
  componentWillReceiveProps(props) {
    const { show, init } = props;
    if (show) {
      this.setState({ select: init || [] });
    }
  }
 
  getDefaultChecked = value => {
    const { init } = this.props;
    const result = (init || []).filter(i => i === value);
    return result.length !== 0;
  };
 
  render() {
    const { show, data, title, hide, save } = this.props;
 
    const { select } = this.state;
 
    return (
      <div
        style={{
          display: show ? "block" : "none",
          zIndex: 1,
          position: "absolute",
          backgroundColor: "#fff",
          overflowY: "auto",
          top: 0,
          bottom: 0,
          left: 0,
          right: 0
        }}
      >
        <NavBar
          className="global-navbar"
          mode="dark"
          icon={
            <TouchFeedback activeClassName="primary-feedback-active">
              <Icon type="left" />
            </TouchFeedback>
          }
          onLeftClick={() => hide()}
          rightContent={[
            <Icon
              type="check"
              style={{ marginRight: "16px" }}
              onClick={() => save(select)}
            />
          ]}
        >
          {title}
        </NavBar>
        <NavContentContainer>
          <PanelContentContainer>
            <List>
              {data.map(i => (
                <Checkbox.CheckboxItem
                  wrap
                  key={i.value}
                  defaultChecked={this.getDefaultChecked(i.value)}
                  onChange={() => {
                    if (select.indexOf(i.value) === -1) {
                      select.push(i.value);
                    } else {
                      const odd = select;
                      odd.splice(odd.indexOf(i.value), 1);
                      this.setState({
                        select: odd
                      });
                    }
                  }}
                >
                  {i.key}
                </Checkbox.CheckboxItem>
              ))}
            </List>
          </PanelContentContainer>
        </NavContentContainer>
      </div>
    );
  }
}

<Checkbox
          show={showCheckbox}
          data={checkboxData}
          title={checkboxTitle}
          id={checkboxId}
          init={checkboxNum[checkboxId]}
          hide={() => this.setState({ showCheckbox: false })}
          save={v => {
            this.setState({
              showCheckbox: false,
              checkboxNum: { ...checkboxNum, [checkboxId]: v }
            });
          }}
/>