zoukankan      html  css  js  c++  java
  • node.js实际应用【模拟Apache服务器】【原生模块】

    1. 编写js文件
    var http = require('http');
    var fs = require('fs');
    var template = require('art-template');
    var path = require('path');
    
    var port = 5000;
    var server = http.createServer();
    
    server.on('request',function(request, response){
      var url = request.url;
      var wwwDir = '.';
      fs.readFile('./src/template.html', function(error, data){
        if (error) {
          console.log(error);
          return response.end('404 Not Found');
        }
    
        if (url !== '/') {
          wwwDir += url;
        }
        var dirList = [];
        var fileList = [];
        var fileEnd = path.extname(wwwDir);
        if (fileEnd !== '') {
          fs.readFile(wwwDir, function(error, data){
            if (error) {
              console.log(error);
              return response.end('404 Not Found');
            }
            if (fileEnd === '.txt') {
              response.setHeader('Content-Type', 'text/plain; charset=utf-8');
            }
            if (fileEnd === '.jpg') {
              response.setHeader('Content-Type', 'image/jpeg');
            }
            if (fileEnd === '.mp4') {
              response.setHeader('Content-Type', 'video/mpeg4');
            }
            response.end(data);
          });
        } else {
          fs.readdir(wwwDir, function(error, files){
            if (error) {
              return response.end('Can not find this dir');
            }
            var dirList = [];
            var fileList =[];
            files.forEach(function(iterm){
              var fullPath =  path.join(wwwDir,iterm);
    
              // 异步 
              // fs.stat(fullPath, function(err, data){
              //   if (err) {
              //       console.log(err);
              //   } else {
              //       if (data.isFile()){
              //         fileList.push(iterm)
              //         // console.log('file: ',fileList)
              //       }else{
              //         dirList.push(iterm)
              //       }
              //   }
              // });
    
              // 同步 
              var stat = fs.lstatSync(fullPath);
              console.log(fullPath,stat.mtime)
              if (stat.isFile()){
                fileList.push({'fullPath':fullPath,'fileSise':stat.size,'mtime':stat.mtime});
              }else{
                console.log(fullPath)
                dirList.push(fullPath);
              }
    
            });
            var htmlStr = template.render(data.toString(), {
              title: wwwDir,
              files: files,
              dirList:dirList,
              fileList:fileList,
            });
            response.end(htmlStr);
          });
        }
      });
    });
    server.listen(port, function(){
      console.log(`服务器已经开启,您可以通过 http://127.0.0.1:${port} 访问....`);
    });
    
    1. 编写template文件
    
    <html dir="ltr" lang="zh" i18n-processed="">
    
    <head>
      <meta charset="utf-8">
      <meta name="google" value="notranslate">
      
      <style>
        h1 {
          border-bottom: 1px solid #c0c0c0;
          margin-bottom: 10px;
          padding-bottom: 10px;
          white-space: nowrap;
        }
    
        table {
          border-collapse: collapse;
        }
    
        th {
          cursor: pointer;
        }
    
        td.detailsColumn {
          -webkit-padding-start: 2em;
          text-align: end;
          white-space: nowrap;
        }
    
        a.icon {
          -webkit-padding-start: 1.5em;
          text-decoration: none;
        }
    
        a.icon:hover {
          text-decoration: underline;
        }
    
        a.file {
          background: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAIAAACQkWg2AAAABnRSTlMAAAAAAABupgeRAAABHUlEQVR42o2RMW7DIBiF3498iHRJD5JKHurL+CRVBp+i2T16tTynF2gO0KSb5ZrBBl4HHDBuK/WXACH4eO9/CAAAbdvijzLGNE1TVZXfZuHg6XCAQESAZXbOKaXO57eiKG6ft9PrKQIkCQqFoIiQFBGlFIB5nvM8t9aOX2Nd18oDzjnPgCDpn/BH4zh2XZdlWVmWiUK4IgCBoFMUz9eP6zRN75cLgEQhcmTQIbl72O0f9865qLAAsURAAgKBJKEtgLXWvyjLuFsThCSstb8rBCaAQhDYWgIZ7myM+TUBjDHrHlZcbMYYk34cN0YSLcgS+wL0fe9TXDMbY33fR2AYBvyQ8L0Gk8MwREBrTfKe4TpTzwhArXWi8HI84h/1DfwI5mhxJamFAAAAAElFTkSuQmCC ") left top no-repeat;
        }
    
        a.dir {
          background: url("data:image/png;base64,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 ") left top no-repeat;
        }
    
        a.up {
          background: url("data:image/png;base64,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 ") left top no-repeat;
        }
    
        html[dir=rtl] a {
          background-position-x: right;
        }
    
        #parentDirLinkBox {
          margin-bottom: 10px;
          padding-bottom: 10px;
        }
    
        #listingParsingErrorBox {
          border: 1px solid black;
          background: #fae691;
          padding: 10px;
          display: none;
        }
      </style>
      <title id="title">{{ title }}</title>
    </head>
    
    <body>
      <h1 id="header">索引</h1>
      <div id="parentDirLinkBox">
        <a id="parentDirLink" class="icon up">
        <span id="parentDirText">[上级目录]</span>
      </a>
      </div>
      <table>
        <thead>
          <tr class="header" id="theader">
            <th onclick="javascript:sortTable(0);">名称</th>
            <th class="detailsColumn" onclick="javascript:sortTable(1);">
              大小
            </th>
            <th class="detailsColumn" onclick="javascript:sortTable(2);">
              修改日期
            </th>
          </tr>
        </thead>
        <tbody id="tbody">
          <!-- file list -->
          {{each fileList}}
          <tr>
            <td data-value="{{ $value.fullPath }}"><a class="icon file" draggable="true"  href="/{{ $value.fullPath }}" >{{ $value['fullPath'] }}</a></td>
            <td class="detailsColumn" data-value="0">{{ $value.fileSise }}</td>
            <td class="detailsColumn" data-value="{{ $value.mtime }}">{{ $value.mtime }}</td>
          </tr>
          {{/each}}
          <!-- dir list -->
          {{each dirList}}
          <tr>
            <td data-value="{{ $value }}"><a class="icon dir" href="/{{ $value }}" >{{$value}}/</a></td>
            <td class="detailsColumn" data-value="0"></td>
            <td class="detailsColumn" data-value="1509589967">2017/11/2 上午10:32:47</td>
          </tr>
          {{/each}}
        </tbody>
      </table>
    </body>
    </html>
    
    
    1. 使用Content-Type模块
    https://www.cnblogs.com/OrochiZ-/p/11653527.html
    
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  • 原文地址:https://www.cnblogs.com/amize/p/14869323.html
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