buzzup-admin/src/utils/index.ts

import { notification } from 'antd';
import './axios'

export const splitAddress = (address: string, index?: number) => {
  try {
    let idx = index ? index : 5;
    return address.substring(0, idx) + '...' + address.substring(address.length - idx, address.length)
  } catch (error) {
    return ''
  }
}

export const getTime = (value: number) => {
  let date = new Date(value);
  let yy: number | string = date.getFullYear();
  let mm: number | string = date.getMonth() + 1;
  let dd: number | string = date.getDate();
  let xs: number | string = date.getHours();
  let ff: number | string = date.getMinutes();
  let ss: number | string = date.getSeconds();
  mm = mm >= 10 ? mm : '0' + mm;
  dd = dd >= 10 ? dd : '0' + dd;
  xs = xs >= 10 ? xs : '0' + xs;
  ff = ff >= 10 ? ff : '0' + ff;
  ss = ss >= 10 ? ss : '0' + ss;
  return `${yy}-${mm}-${dd} ${xs}:${ff}:${ss}`
};

export function copy(value: string) {
  // 动态创建 textarea 标签
  const textarea: any = document.createElement('textarea')
  // 将该 textarea 设为 readonly 防止 iOS 下自动唤起键盘，同时将 textarea 移出可视区域
  textarea.readOnly = 'readonly'
  textarea.style.position = 'absolute'
  textarea.style.left = '-9999px'
  // 将要 copy 的值赋给 textarea 标签的 value 属性  
  // 网上有些例子是赋值给innerText,这样也会赋值成功，但是识别不了\r\n的换行符，赋值给value属性就可以
  textarea.value = value
  // 将 textarea 插入到 body 中
  document.body.appendChild(textarea)
  // 选中值并复制
  textarea.select()
  textarea.setSelectionRange(0, textarea.value.length)
  document.execCommand('Copy')
  document.body.removeChild(textarea)
  notification.success({
    message: '复制成功'
  })
}