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98 lines
3.3 KiB
JavaScript
98 lines
3.3 KiB
JavaScript
//-----------------------------------------------------------------------
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// Copyright (c) TEngine. All rights reserved.
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// Author: TangXiao
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// Date: 2022/5/14 16:29:13
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//-----------------------------------------------------------------------
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const http = require("http");
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const url = require("url");
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const fs = require("fs");
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const path = require("path");
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const mime = {
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css: "text/css",
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gif: "image/gif",
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html: "text/html",
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ico: "image/x-icon",
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jpeg: "image/jpeg",
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jpg: "image/jpeg",
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js: "text/javascript",
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json: "application/json",
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pdf: "application/pdf",
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png: "image/png",
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svg: "image/svg+xml",
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swf: "application/x-shockwave-flash",
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tiff: "image/tiff",
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txt: "text/plain",
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wav: "audio/x-wav",
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wma: "audio/x-ms-wma",
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wmv: "video/x-ms-wmv",
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xml: "text/xml",
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};
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const port = 8088;
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const httpServer = http.createServer((request, response) => {
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const requestUrl = request.url;
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let pathName = url.parse(requestUrl).pathname;
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// 对路径解码，防止中文乱码
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pathName = decodeURI(pathName);
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// 绝对路径
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const filePath = path.resolve(__dirname + pathName);
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// 扩展名
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let ext = path.extname(pathName);
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ext = ext ? ext.slice(1) : "unknown";
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// 未知的类型一律用"text/plain"类型
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const contentType = mime[ext] || "text/plain";
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// fs.stat()方法用于判断给定的路径是否存在
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fs.stat(filePath, (err, stats) => {
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// 路径不存在，则返回404
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if (err) {
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response.writeHead(404, { "content-type": "text/html" });
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response.end("<h1>404 Not Found</h1>");
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}
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// 如果是文件
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if (!err && stats.isFile()) {
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response.writeHead(200, { "content-type": contentType });
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// 建立流对象，读文件
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const stream = fs.createReadStream(filePath);
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// 错误处理
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stream.on("error", function() {
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response.writeHead(500, { "content-type": contentType });
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response.end("<h1>500 Server Error</h1>");
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});
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// 读取文件
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stream.pipe(response);
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//response.end(); // 这个地方有坑，加了会关闭对话，看不到内容了
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}
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// 如果是路径
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if (!err && stats.isDirectory()) {
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let html = " <head><meta charset = 'utf-8'/></head>";
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// 读取该路径下文件
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fs.readdir(filePath, (err, files) => {
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if (err) {
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response.writeHead(500, { "content-type": contentType });
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response.end("<h1>路径读取失败！</h1>");
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} else {
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for (const file of files) {
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if (file === "index.html") {
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response.writeHead(200, { "content-type": "text/html" });
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response.end(file);
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break;
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}
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html += `<div><a href='${file}'>${file}</a></div>`;
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}
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response.writeHead(200, { "content-type": "text/html" });
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response.end(html);
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}
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});
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}
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});
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});
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httpServer.listen(port, function() {
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console.log(`File Service: ${port}`);
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}); |