107 lines
2.7 KiB
JavaScript
107 lines
2.7 KiB
JavaScript
import { getAccessToken } from '@/utils/auth'
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/**
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* 通过图片url获取图片大小
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*
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* @param {String} imgsrc 例如图片名： D8x5f13a53dbc4b9_350x345.png
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*/
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export function getImageInfo(imgsrc) {
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let data = {
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width: 0,
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height: 0
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}
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let arr = imgsrc.split('_')
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if (arr.length == 1) return data
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let info = arr[arr.length - 1].match(/\d+x\d+/g)
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if (info == null) return data
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info = info[0].split('x')
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return {
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width: parseInt(info[0]),
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height: parseInt(info[1])
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}
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}
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/**
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* 文件下载方法
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*
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* @param {Number} msgid
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*/
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export function download(msg_id) {
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let token = getAccessToken()
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try {
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let link = document.createElement('a')
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// link.target = '_blank'
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link.href = `${
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import.meta.env.VITE_BASE_API
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}/api/v1/talk/records/file/download?msg_id=${msg_id}&token=${token}`
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link.click()
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} catch (e) {
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console.warn(e)
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}
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}
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export function insertText(obj, str) {
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if (document.selection) {
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let sel = document.selection.createRange()
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sel.text = str
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} else if (typeof obj.selectionStart === 'number' && typeof obj.selectionEnd === 'number') {
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let startPos = obj.selectionStart,
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endPos = obj.selectionEnd,
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cursorPos = startPos,
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tmpStr = obj.value
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obj.value = tmpStr.substring(0, startPos) + str + tmpStr.substring(endPos, tmpStr.length)
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cursorPos += str.length
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obj.selectionStart = obj.selectionEnd = cursorPos
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obj.focus()
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} else {
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obj.value += str
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}
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}
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export function countDownTime(second = 0) {
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// 小于10 加0 处理
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function formate0to9(arg) {
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return arg < 10 ? `0${arg}` : arg
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}
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const hours = parseInt((second / 60 / 60) % 24, 10) //剩余的小时
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const minutes = parseInt((second / 60) % 60, 10) //剩余的分钟
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const seconds = parseInt(second % 60, 10) //剩余的秒数
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return `${formate0to9(hours)}:${formate0to9(minutes)}:${formate0to9(seconds)}`
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}
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export function removeTags(str) {
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return str.replace(/<\/?[^>]+>/gi, '')
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}
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export function downloadImage(src, name) {
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let image = new Image()
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image.setAttribute('crossOrigin', 'anonymous')
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image.onload = function () {
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let canvas = document.createElement('canvas')
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canvas.width = image.width
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canvas.height = image.height
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let context = canvas.getContext('2d')
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context.drawImage(image, 0, 0, image.width, image.height)
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let url = canvas.toDataURL('image/png')
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let a = document.createElement('a')
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let event = new MouseEvent('click')
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a.download = name || 'image.png'
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a.href = url
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a.dispatchEvent(event)
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}
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image.src = src
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}
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// 获取文件名后缀
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export const getFileNameSuffix = (name) => {
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const arr = name.split('.')
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return arr[arr.length - 1]
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}
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