React 16.x折腾记 - (6) 基于React 16.x+ Antd 3.x封装的一个声明式的查询组件(实用强大)

  <AdvancedSearchForm data={searchItem}  getSearchFormData={this.searchList} resetSearchForm={this.resetSearchList}  accumulate="3">
              <Button type="dashed" icon="download" style={{ marginLeft: 8 }} htmlType="submit">
                下载报表
              </Button>
   </AdvancedSearchForm>

 searchItem: [
        {
          ctype: 'dayPicker',
          attr: {
            placeholder: '查询某天',
          },
          field: {
            label: '日活',
            value: 'activeData',
          },
        },
        {
          ctype: 'monthPicker',
          attr: {
            placeholder: '查询月份数据',
          },
          field: {
            label: '月活',
            value: 'activeData',
          },
        },
        {
          ctype: 'radio',
          field: {
            label: '设备类型',
            value: 'platformId',
            params: {
              initialValue: '',
            },
          },
          selectOptionsChildren: [
            {
              label: '全部',
              value: '',
            },
            {
              label: '未知设备',
              value: '0',
            },
            {
              label: 'Android',
              value: '1',
            },
            {
              label: 'IOS',
              value: '2',
            },
          ],
        },
         {
          ctype: 'radio',
          responsive: {
            md:24,
            xl:12,
            xxl:8
          },
          field: {
            label: '会话状态',
            value: 'chatStatus',
            params: {
              initialValue: '',
            },
          },
          selectOptionsChildren: [
            {
              label: '全部',
              value: '',
            },
            {
              label: '正常',
              value: '1',
            },
            {
              label: '用户删除',
              value: '2',
            },
            {
              label: '系统删除',
              value: '3',
            },
            {
              label: '会话过期',
              value: '4',
            },
          ],
        },
        {
          ctype: 'cascader',
          field: {
            label: '排序',
            value: 'sorter',
          },
          selectOptionsChildren: [
            {
              label: '根据登录时间',
              value: 'loginAt',
              children: [
                {
                  label: '升序',
                  value: 'asc',
                },
                {
                  label: '降序',
                  value: 'desc',
                },
              ],
            },
            {
              label: '根据注册时间',
              value: 'createdAt',
              children: [
                {
                  label: '升序',
                  value: 'asc',
                },
                {
                  label: '降序',
                  value: 'desc',
                },
              ],
            },
          ],
        },
      ],

/*
 * @Author: CRPER
 * @LastEditors: CRPER
 * @Github: https://github.com/crper
 * @Motto: 折腾是一种乐趣，求知是一种追求。不懂就学,懂则分享。
 * @Description: 列表表单查询组件
 */
import React, { PureComponent } from 'react';
import {
  Form,
  Row,
  Col,
  Input,
  Button,
  Select,
  DatePicker,
  Card,
  Cascader,
  Radio,
  Icon,
  Divider,
  InputNumber,
} from 'antd';

// lodash 深比较
import isEqual from 'lodash/isEqual';

// antd
const { MonthPicker, RangePicker } = DatePicker;
const Option = Select.Option;
const FormItem = Form.Item;
const RadioButton = Radio.Button;
const RadioGroup = Radio.Group;

@Form.create({
  onValuesChange: (props, changedValues, allValues) => {
    const { data, autoSearch } = props;
    // 传入的空间必须存在, 否则不可能触发自动提交表单的props
    if (data && Array.isArray(data) && data.length > 0 && autoSearch) {
      let autoSearchField = [];
      data.map(item => {
        const {
          ctype,
          field: { value: fieldName },
        } = item;
        if (ctype !== 'input' && ctype !== 'inputNum') {
          autoSearchField.push(fieldName);
        }
      });
      let keys = Object.keys(changedValues);
      if (autoSearchField.indexOf(keys[0]) !== -1) {
        if (changedValues[keys[0]]) {
          props.getSearchFormData(changedValues);
        } else {
          props.resetSearchForm();
        }
      }
    }
  },
})
class AdvancedSearchForm extends PureComponent {
  state = {
    expand: false,
    factoryData: [
      {
        ctype: 'input',
        attr: {
          placeholder: '请输入查询内容...',
        },
        field: {
          label: '',
          value: '',
        },
      },
      {
        ctype: 'inputNum',
        attr: {
          placeholder: '请输入ID查询...',
          min: 0,
        },
        field: {
          label: '',
          value: '',
        },
      },
      {
        ctype: 'select',
        attr: {
          placeholder: '请选择查询项',
          allowClear: true,
        },
        selectOptionsChildren: [],
        field: {
          label: '',
          value: '',
          params: {
            initialValue: '',
          },
        },
      },
      {
        ctype: 'cascader',
        attr: {
          placeholder: '请选择查询项',
          allowClear: true,
        },
        selectOptionsChildren: [],
        field: {
          label: '',
          value: [],
          params: {
            initialValue: [],
          },
        },
      },
      {
        ctype: 'dayPicker',
        attr: {
          placeholder: '请选择日期',
          allowClear: true,
          format: 'YYYY-MM-DD',
        },
        field: {
          label: '',
          value: '',
          params: {
            initialValue: null,
          },
        },
      },
      {
        ctype: 'monthPicker',
        attr: {
          placeholder: '请选择月份',
          allowClear: true,
          format: 'YYYY-MM',
        },
        field: {
          label: '',
          value: '',
          params: {
            initialValue: null,
          },
        },
      },
      {
        ctype: 'timerangePicker',
        attr: {
          placeholder: '请选择日期返回',
          allowClear: true,
        },
        field: {
          label: '',
          value: '',
          params: {
            initialValue: [null, null],
          },
        },
      },
      {
        ctype: 'radio',
        attr: {},
        field: {
          label: '',
          value: '',
          params: {
            initialValue: '',
          },
        },
      },
    ],
  };

  // 获取props并且合并
  static getDerivedStateFromProps(nextProps, prevState) {
    // 若是props和缓存state一致,则不更新state
    if (isEqual(prevState.prevData, nextProps.data)) {
      return null;
    }
    /**
     * data: 构建的数据
     * single: 单一选择,会禁用其他输入框
     */
    const { factoryData } = prevState;
    const { data, csize } = nextProps;

    let newData = [];
    if (data && Array.isArray(data) && data.length > 0) {
      // 合并传入的props
      data.map(item => {
        // 若是有外部传入全局控制表单控件大小的则应用
        if (csize && typeof csize === 'string') {
          item.attr = {
            ...item.attr,
            size: csize,
          };
        }
        const { ctype, attr, field, ...rest } = item;
        let combindData = {};
        factoryData.map(innerItem => {
          if (item.ctype === innerItem.ctype) {
            const {
              ctype: innerCtype,
              attr: innerAttr,
              field: innerField,
              ...innerRest
            } = innerItem;
            combindData = {
              ctype: item.ctype,
              attr: {
                ...innerAttr,
                ...attr,
              },
              field: {
                ...innerField,
                ...field,
              },
              ...innerRest,
              ...rest,
            };
          }
        });
        newData.push(combindData);
      });

      // 返回合并后的数据,比如mode,渲染的数据这些
      return { data: newData, prevData: nextProps.data };
    }

    return null;
  }

  // 清除表单数据中字符串的两边的空格
  // 若是key为空数组则跳过
  removeNotNeedValue = obj => {
    // 判断必须为obj
    if (!(Object.prototype.toString.call(obj) === '[object Object]')) {
      return {};
    }

    let tempObj = {};
    for (let [key, value] of Object.entries(obj)) {
      let tmpValue = value;
      if (Array.isArray(value) && value.length <= 0) {
        continue;
      }
      if (tmpValue && !(Object.prototype.toString.call(tmpValue) === '[object Function]')) {
        if (typeof value === 'string') {
          value = value.trim();
        }
      }
      tempObj[key] = value;
    }
    return tempObj;
  };

  // 提交表单
  handleSearch = e => {
    e.preventDefault();
    this.props.form.validateFields((err, values) => {
      // 表单表单不报错,且props有传递的情况下,才返回表单数据
      if (!err && this.props.getSearchFormData) {
        // 字符串类型全部去除两边的空格
        let form_data = this.removeNotNeedValue(values);
        this.props.getSearchFormData(form_data);
      }
    });
  };

  // 重置表单
  handleReset = () => {
    this.props.form.resetFields();
    // 若是有回调函数,则返回空对象
    if (this.props.resetSearchForm) {
      this.props.resetSearchForm(null);
    }
  };

  // 生成 Form.Item
  getFields = () => {
    const { data } = this.state;
    const children = [];
    if (data) {
      for (let i = 0; i < data.length; i++) {
        // 若是控件的名字丢.亦或filed的字段名或之值丢失则不渲染该组件
        // 若是为select或cascader没有子组件数据也跳过
        const {
          ctype,
          field: { value, label },
          selectOptionsChildren,
        } = data[i];
        if (
          !ctype ||
          !value ||
          !label ||
          ((ctype === 'select' || ctype === 'cascader') &&
            selectOptionsChildren &&
            selectOptionsChildren.length < 1)
        )
          continue;

        // 渲染组件
        let formItem = this.renderItem({
          ...data[i],
          itemIndex: i,
        });

        // 缓存组件数据
        children.push(formItem);
      }
      return children;
    } else {
      return [];
    }
  };

  // 合并响应式props
  combindResponseLayout = (responsive = {}) => {
    // 从父组件接受的布局姿势
    const { responseLayout } = this.props;

    // responsive 是子组件自身的响应式布局

    // 响应式
    return {
      xs: 24,
      sm: 24,
      md: 12,
      lg: 8,
      xxl: 6,
      ...responseLayout,
      ...responsive,
    };
  };

  // 计算外部传入需要显示隐藏的个数
  countHidden = () => {
    const { data, accumulate } = this.props;
    return this.state.expand ? data.length : accumulate ? accumulate : 8;
  };

  // 判断需要渲染的组件
  renderItem = data => {
    const { getFieldDecorator } = this.props.form;

    const { ctype, field, attr, itemIndex, responsive } = data;

    // responsive 是子组件自身的响应式布局
    const ResponseLayout = this.combindResponseLayout(responsive);

    const count = this.countHidden();

    const isRules =
      field.params &&
      field.params.rules &&
      Array.isArray(field.params.rules) &&
      field.params.rules.length > 0;

    switch (ctype) {
      case 'input':
        return (
          <Col
            {...ResponseLayout}
            style={{ display: itemIndex < count ? 'block' : 'none' }}
            key={itemIndex}
          >
            <FormItem label={field.label} style={isRules ? null : { marginBottom: 0 }}>
              {getFieldDecorator(field.value, field.params ? field.params : {})(
                <Input {...attr} />
              )}
            </FormItem>
          </Col>
        );
      case 'inputNum':
        return (
          <Col
            {...ResponseLayout}
            style={{ display: itemIndex < count ? 'block' : 'none' }}
            key={itemIndex}
          >
            <FormItem label={field.label} style={isRules ? null : { marginBottom: 0 }}>
              {getFieldDecorator(field.value, field.params ? field.params : {})(
                <InputNumber {...attr} style={{ width: '100%' }} />
              )}
            </FormItem>
          </Col>
        );

      case 'select':
        return (
          <Col
            {...ResponseLayout}
            style={{ display: itemIndex < count ? 'block' : 'none' }}
            key={itemIndex}
          >
            <FormItem label={field.label} style={isRules ? null : { marginBottom: 0 }}>
              {getFieldDecorator(field.value, field.params ? field.params : {})(
                <Select {...attr}>
                  {data.selectOptionsChildren &&
                    data.selectOptionsChildren.length > 0 &&
                    data.selectOptionsChildren.map((optionItem, index) => (
                      <Option value={optionItem.value} key={index}>
                        {optionItem.label}
                      </Option>
                    ))}
                </Select>
              )}
            </FormItem>
          </Col>
        );
      case 'cascader':
        return (
          <Col
            {...ResponseLayout}
            style={{ display: itemIndex < count ? 'block' : 'none' }}
            key={itemIndex}
          >
            <FormItem label={field.label} style={isRules ? null : { marginBottom: 0 }}>
              {getFieldDecorator(field.value, field.params ? field.params : {})(
                <Cascader {...attr} options={data.selectOptionsChildren} />
              )}
            </FormItem>
          </Col>
        );

      case 'dayPicker':
        return (
          <Col
            {...ResponseLayout}
            style={{ display: itemIndex < count ? 'block' : 'none' }}
            key={itemIndex}
          >
            <FormItem label={field.label} style={isRules ? null : { marginBottom: 0 }}>
              {getFieldDecorator(field.value, field.params ? field.params : {})(
                <DatePicker {...attr} />
              )}
            </FormItem>
          </Col>
        );

      case 'monthPicker':
        return (
          <Col
            {...ResponseLayout}
            style={{ display: itemIndex < count ? 'block' : 'none' }}
            key={itemIndex}
          >
            <FormItem label={field.label} style={isRules ? null : { marginBottom: 0 }}>
              {getFieldDecorator(field.value, field.params ? field.params : {})(
                <MonthPicker {...attr} />
              )}
            </FormItem>
          </Col>
        );

      case 'timerangePicker':
        attr.placeholder = Array.isArray(attr.placeholder)
          ? attr.placeholder
          : ['开始日期', '结束日期'];
        return (
          <Col
            {...ResponseLayout}
            style={{ display: itemIndex < count ? 'block' : 'none' }}
            key={itemIndex}
          >
            <FormItem label={field.label} style={isRules ? null : { marginBottom: 0 }}>
              {getFieldDecorator(field.value, field.params ? field.params : {})(
                <RangePicker {...attr} />
              )}
            </FormItem>
          </Col>
        );

      case 'datePicker':
        return (
          <Col
            {...ResponseLayout}
            style={{ display: itemIndex < count ? 'block' : 'none' }}
            key={itemIndex}
          >
            <FormItem label={field.label} style={isRules ? null : { marginBottom: 0 }}>
              {getFieldDecorator(field.value, field.params ? field.params : {})(
                <DatePicker {...attr} />
              )}
            </FormItem>
          </Col>
        );
      case 'radio':
        return (
          <Col
            {...ResponseLayout}
            style={{ display: itemIndex < count ? 'block' : 'none' }}
            key={itemIndex}
          >
            <FormItem label={field.label} style={isRules ? null : { marginBottom: 0 }}>
              {getFieldDecorator(field.value, field.params ? field.params : {})(
                <RadioGroup {...attr}>
                  {data.selectOptionsChildren &&
                    data.selectOptionsChildren.length > 0 &&
                    data.selectOptionsChildren.map((optionItem, index) => (
                      <RadioButton value={optionItem.value} key={index}>
                        {optionItem.label}
                      </RadioButton>
                    ))}
                </RadioGroup>
              )}
            </FormItem>
          </Col>
        );

      default:
        return null;
    }
  };

  // 折叠搜索框条件
  toggle = () => {
    const { expand } = this.state;
    this.setState({ expand: !expand });
  };

  render() {
    const { expand } = this.state;
    const { data, accumulate, children } = this.props;
    const isRnderToggleIcon = accumulate
      ? (data && data.length) > accumulate
        ? true
        : false
      : data.length > 8;

    // 克隆子组件并且添加自己要添加的特性
    const PropsBtn = React.Children.map(this.props.children, child =>
      React.cloneElement(child, {
        style: {
          marginLeft: 8,
        },
      })
    );

    // 若是搜索条件仅有一个情况
    const hideSearchBtn =
      data.length === 1 && data[0].ctype !== 'input' && data[0].ctype !== 'inputNum';
    const { loading = false } = this.props;
    return (
      <Form className="ant-advanced-search-form" onSubmit={this.handleSearch}>
        {hideSearchBtn ? (
          <div>{this.getFields()}</div>
        ) : (
          <Card
            size="small"
            title="查询条件"
            extra={
              <>
                {children ? (
                  <>
                    {children}
                    <Divider type="vertical" />
                  </>
                ) : null}
                <Button type="primary" htmlType="submit" loading={loading}>
                  搜索结果
                </Button>
                <Button style={{ marginLeft: 8 }} onClick={this.handleReset}>
                  清空条件
                </Button>
              </>
            }
            style={{ width: '100%' }}
          >
            <Row gutter={24} type="flex" justify="start">
              {this.getFields()}
            </Row>
            {isRnderToggleIcon ? (
              <Row gutter={24} type="flex" justify="center">
                <a onClick={this.toggle}>
                  {expand ? '收起' : '展开'} <Icon type={expand ? 'up' : 'down'} />
                </a>
              </Row>
            ) : null}
          </Card>
        )}
      </Form>
    );
  }
}

export default AdvancedSearchForm;

// 列表搜索区域
.ant-advanced-search-form {
  border-radius: 6px;
}

.ant-advanced-search-form .ant-form-item {
  display: flex;
  flex-wrap: wrap;
}

.ant-advanced-search-form .ant-form-item-control-wrapper {
  flex: 1;
}