141 lines
3.0 KiB
JavaScript
141 lines
3.0 KiB
JavaScript
/**
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* 根据后缀判断文件类型
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* @param {string} fileName 文件后缀名
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* @returns
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*/
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export function matchType(fileName) {
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// 后缀获取
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let suffix = "";
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// 获取类型结果
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let result = "";
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try {
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let flieArr = fileName.split(".");
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suffix = flieArr[flieArr.length - 1];
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} catch (err) {
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suffix = "";
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}
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// fileName无后缀返回 false
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if (!suffix) {
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result = false;
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return result;
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}
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// 图片格式
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let imglist = ["png", "jpg", "jpeg", "bmp", "gif"];
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// 进行图片匹配
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result = imglist.some(function (item) {
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return item == suffix;
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});
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if (result) {
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result = "image";
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return result;
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}
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// 匹配txt
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let txtlist = ["txt"];
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result = txtlist.some(function (item) {
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return item == suffix;
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});
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if (result) {
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result = "txt";
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return result;
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}
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// 匹配 excel
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let excelist = ["xls", "xlsx"];
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result = excelist.some(function (item) {
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return item == suffix;
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});
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if (result) {
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result = "excel";
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return result;
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}
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// 匹配 word
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let wordlist = ["doc", "docx"];
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result = wordlist.some(function (item) {
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return item == suffix;
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});
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if (result) {
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result = "word";
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return result;
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}
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// 匹配 pdf
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let pdflist = ["pdf"];
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result = pdflist.some(function (item) {
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return item == suffix;
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});
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if (result) {
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result = "pdf";
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return result;
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}
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// 匹配 ppt
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let pptlist = ["ppt"];
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result = pptlist.some(function (item) {
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return item == suffix;
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});
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if (result) {
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result = "ppt";
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return result;
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}
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// 匹配 视频
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let videolist = ["mp4", "m2v", "mkv"];
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result = videolist.some(function (item) {
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return item == suffix;
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});
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if (result) {
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result = "video";
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return result;
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}
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// 匹配 音频
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let radiolist = ["mp3", "wav", "wmv"];
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result = radiolist.some(function (item) {
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return item == suffix;
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});
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if (result) {
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result = "radio";
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return result;
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}
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// 其他 文件类型
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result = "other";
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return result;
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}
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/**
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* url处理
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* @param {string} path url路径
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* @returns
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*/
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export function convertToUrl(path) {
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// 替换反斜杠为正斜杠
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const normalizedPathWithSlashes = path.replace(/\\/g, "/");
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// 去掉开始的点号和反斜杠
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const removedDotsAndSlashes = normalizedPathWithSlashes.replace(/^\.\//, "");
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// 添加斜杠作为根路径
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const url = `/${removedDotsAndSlashes}`;
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return url;
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}
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/**
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* 下载文件
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*
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* @param {*} path 下载地址/下载请求地址。
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* @param {string} name 下载文件的名字（考虑到兼容性问题，最好加上后缀名
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*/
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export const downLoadFile = (path, name) => {
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const link = document.createElement("a");
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link.href = path;
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link.download = name;
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if (isMobileDevice()) {
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link.target = "_blank";
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link.rel = "noopener noreferrer";
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}
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link.style.display = "none";
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document.body.appendChild(link);
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link.click();
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document.body.removeChild(link);
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};
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// 判断是否移动设备
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export function isMobileDevice() {
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return /Android|webOS|iPhone|iPad|iPod|BlackBerry/i.test(navigator.userAgent);
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}
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