初始化 antd-pro

admin-web/src/components/CountDown/demo/simple.md

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+---
+order: 0
+title:
+  zh-CN: 基本
+  en-US: Basic
+---
+
+## zh-CN
+
+简单的倒计时组件使用。
+
+## en-US
+
+The simplest usage.
+
+````jsx
+import CountDown from 'ant-design-pro/lib/CountDown';
+
+const targetTime = new Date().getTime() + 3900000;
+
+ReactDOM.render(
+  <CountDown style={{ fontSize: 20 }} target={targetTime} />
+, mountNode);
+````

admin-web/src/components/CountDown/index.d.ts

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+import * as React from 'react';
+export interface ICountDownProps {
+  format?: (time: number) => void;
+  target: Date | number;
+  onEnd?: () => void;
+  style?: React.CSSProperties;
+}
+
+export default class CountDown extends React.Component<ICountDownProps, any> {}

admin-web/src/components/CountDown/index.en-US.md

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+---
+title: CountDown
+cols: 1
+order: 3
+---
+
+Simple CountDown Component.
+
+## API
+
+| Property | Description | Type | Default |
+|----------|------------------------------------------|-------------|-------|
+| format | Formatter of time | Function(time) |  |
+| target | Target time | Date | - |
+| onEnd |  Countdown to the end callback | funtion | -|

admin-web/src/components/CountDown/index.js

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+import React, { Component } from 'react';
+
+function fixedZero(val) {
+  return val * 1 < 10 ? `0${val}` : val;
+}
+const initTime = props => {
+  let lastTime = 0;
+  let targetTime = 0;
+  try {
+    if (Object.prototype.toString.call(props.target) === '[object Date]') {
+      targetTime = props.target.getTime();
+    } else {
+      targetTime = new Date(props.target).getTime();
+    }
+  } catch (e) {
+    throw new Error('invalid target prop', e);
+  }
+
+  lastTime = targetTime - new Date().getTime();
+  return {
+    lastTime: lastTime < 0 ? 0 : lastTime,
+  };
+};
+
+class CountDown extends Component {
+  timer = 0;
+
+  interval = 1000;
+
+  constructor(props) {
+    super(props);
+    const { lastTime } = initTime(props);
+    this.state = {
+      lastTime,
+    };
+  }
+
+  static getDerivedStateFromProps(nextProps, preState) {
+    const { lastTime } = initTime(nextProps);
+    if (preState.lastTime !== lastTime) {
+      return {
+        lastTime,
+      };
+    }
+    return null;
+  }
+
+  componentDidMount() {
+    this.tick();
+  }
+
+  componentDidUpdate(prevProps) {
+    const { target } = this.props;
+    if (target !== prevProps.target) {
+      clearTimeout(this.timer);
+      this.tick();
+    }
+  }
+
+  componentWillUnmount() {
+    clearTimeout(this.timer);
+  }
+
+  // defaultFormat = time => (
+  //  <span>{moment(time).format('hh:mm:ss')}</span>
+  // );
+  defaultFormat = time => {
+    const hours = 60 * 60 * 1000;
+    const minutes = 60 * 1000;
+
+    const h = Math.floor(time / hours);
+    const m = Math.floor((time - h * hours) / minutes);
+    const s = Math.floor((time - h * hours - m * minutes) / 1000);
+    return (
+      <span>
+        {fixedZero(h)}:{fixedZero(m)}:{fixedZero(s)}
+      </span>
+    );
+  };
+
+  tick = () => {
+    const { onEnd } = this.props;
+    let { lastTime } = this.state;
+
+    this.timer = setTimeout(() => {
+      if (lastTime < this.interval) {
+        clearTimeout(this.timer);
+        this.setState(
+          {
+            lastTime: 0,
+          },
+          () => {
+            if (onEnd) {
+              onEnd();
+            }
+          }
+        );
+      } else {
+        lastTime -= this.interval;
+        this.setState(
+          {
+            lastTime,
+          },
+          () => {
+            this.tick();
+          }
+        );
+      }
+    }, this.interval);
+  };
+
+  render() {
+    const { format = this.defaultFormat, onEnd, ...rest } = this.props;
+    const { lastTime } = this.state;
+    const result = format(lastTime);
+
+    return <span {...rest}>{result}</span>;
+  }
+}
+
+export default CountDown;

admin-web/src/components/CountDown/index.zh-CN.md

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+---
+title: CountDown 
+subtitle: 倒计时
+cols: 1
+order: 3
+---
+
+倒计时组件。
+
+## API
+
+| 参数      | 说明                                      | 类型         | 默认值 |
+|----------|------------------------------------------|-------------|-------|
+| format | 时间格式化显示 | Function(time) |  |
+| target | 目标时间 | Date | - |
+| onEnd |  倒计时结束回调 | funtion | -|