translated & built

2022-10-11 17:15:48 +02:00
parent c49e074d59
commit 78b854103a
7 changed files with 676 additions and 25 deletions
--- a/FileSaver.js
+++ b/FileSaver.js
@@ -0,0 +1,172 @@
+/*
+* FileSaver.js
+* A saveAs() FileSaver implementation.
+*
+* By Eli Grey, http://eligrey.com
+*
+* License : https://github.com/eligrey/FileSaver.js/blob/master/LICENSE.md (MIT)
+* source  : http://purl.eligrey.com/github/FileSaver.js
+*/
+
+// The one and only way of getting global scope in all environments
+// https://stackoverflow.com/q/3277182/1008999
+var _global = typeof window === 'object' && window.window === window
+  ? window : typeof self === 'object' && self.self === self
+  ? self : typeof global === 'object' && global.global === global
+  ? global
+  : this
+
+function bom (blob, opts) {
+  if (typeof opts === 'undefined') opts = { autoBom: false }
+  else if (typeof opts !== 'object') {
+    console.warn('Deprecated: Expected third argument to be a object')
+    opts = { autoBom: !opts }
+  }
+
+  // prepend BOM for UTF-8 XML and text/* types (including HTML)
+  // note: your browser will automatically convert UTF-16 U+FEFF to EF BB BF
+  if (opts.autoBom && /^\s*(?:text\/\S*|application\/xml|\S*\/\S*\+xml)\s*;.*charset\s*=\s*utf-8/i.test(blob.type)) {
+    return new Blob([String.fromCharCode(0xFEFF), blob], { type: blob.type })
+  }
+  return blob
+}
+
+function download (url, name, opts) {
+  var xhr = new XMLHttpRequest()
+  xhr.open('GET', url)
+  xhr.responseType = 'blob'
+  xhr.onload = function () {
+    saveAs(xhr.response, name, opts)
+  }
+  xhr.onerror = function () {
+    console.error('could not download file')
+  }
+  xhr.send()
+}
+
+function corsEnabled (url) {
+  var xhr = new XMLHttpRequest()
+  // use sync to avoid popup blocker
+  xhr.open('HEAD', url, false)
+  try {
+    xhr.send()
+  } catch (e) {}
+  return xhr.status >= 200 && xhr.status <= 299
+}
+
+// `a.click()` doesn't work for all browsers (#465)
+function click (node) {
+  try {
+    node.dispatchEvent(new MouseEvent('click'))
+  } catch (e) {
+    var evt = document.createEvent('MouseEvents')
+    evt.initMouseEvent('click', true, true, window, 0, 0, 0, 80,
+                          20, false, false, false, false, 0, null)
+    node.dispatchEvent(evt)
+  }
+}
+
+// Detect WebView inside a native macOS app by ruling out all browsers
+// We just need to check for 'Safari' because all other browsers (besides Firefox) include that too
+// https://www.whatismybrowser.com/guides/the-latest-user-agent/macos
+var isMacOSWebView = _global.navigator && /Macintosh/.test(navigator.userAgent) && /AppleWebKit/.test(navigator.userAgent) && !/Safari/.test(navigator.userAgent)
+
+var saveAs = _global.saveAs || (
+  // probably in some web worker
+  (typeof window !== 'object' || window !== _global)
+    ? function saveAs () { /* noop */ }
+
+  // Use download attribute first if possible (#193 Lumia mobile) unless this is a macOS WebView
+  : ('download' in HTMLAnchorElement.prototype && !isMacOSWebView)
+  ? function saveAs (blob, name, opts) {
+    var URL = _global.URL || _global.webkitURL
+    // Namespace is used to prevent conflict w/ Chrome Poper Blocker extension (Issue #561)
+    var a = document.createElementNS('http://www.w3.org/1999/xhtml', 'a')
+    name = name || blob.name || 'download'
+
+    a.download = name
+    a.rel = 'noopener' // tabnabbing
+
+    // TODO: detect chrome extensions & packaged apps
+    // a.target = '_blank'
+
+    if (typeof blob === 'string') {
+      // Support regular links
+      a.href = blob
+      if (a.origin !== location.origin) {
+        corsEnabled(a.href)
+          ? download(blob, name, opts)
+          : click(a, a.target = '_blank')
+      } else {
+        click(a)
+      }
+    } else {
+      // Support blobs
+      a.href = URL.createObjectURL(blob)
+      setTimeout(function () { URL.revokeObjectURL(a.href) }, 4E4) // 40s
+      setTimeout(function () { click(a) }, 0)
+    }
+  }
+
+  // Use msSaveOrOpenBlob as a second approach
+  : 'msSaveOrOpenBlob' in navigator
+  ? function saveAs (blob, name, opts) {
+    name = name || blob.name || 'download'
+
+    if (typeof blob === 'string') {
+      if (corsEnabled(blob)) {
+        download(blob, name, opts)
+      } else {
+        var a = document.createElement('a')
+        a.href = blob
+        a.target = '_blank'
+        setTimeout(function () { click(a) })
+      }
+    } else {
+      navigator.msSaveOrOpenBlob(bom(blob, opts), name)
+    }
+  }
+
+  // Fallback to using FileReader and a popup
+  : function saveAs (blob, name, opts, popup) {
+    // Open a popup immediately do go around popup blocker
+    // Mostly only available on user interaction and the fileReader is async so...
+    popup = popup || open('', '_blank')
+    if (popup) {
+      popup.document.title =
+      popup.document.body.innerText = 'downloading...'
+    }
+
+    if (typeof blob === 'string') return download(blob, name, opts)
+
+    var force = blob.type === 'application/octet-stream'
+    var isSafari = /constructor/i.test(_global.HTMLElement) || _global.safari
+    var isChromeIOS = /CriOS\/[\d]+/.test(navigator.userAgent)
+
+    if ((isChromeIOS || (force && isSafari) || isMacOSWebView) && typeof FileReader !== 'undefined') {
+      // Safari doesn't allow downloading of blob URLs
+      var reader = new FileReader()
+      reader.onloadend = function () {
+        var url = reader.result
+        url = isChromeIOS ? url : url.replace(/^data:[^;]*;/, 'data:attachment/file;')
+        if (popup) popup.location.href = url
+        else location = url
+        popup = null // reverse-tabnabbing #460
+      }
+      reader.readAsDataURL(blob)
+    } else {
+      var URL = _global.URL || _global.webkitURL
+      var url = URL.createObjectURL(blob)
+      if (popup) popup.location = url
+      else location.href = url
+      popup = null // reverse-tabnabbing #460
+      setTimeout(function () { URL.revokeObjectURL(url) }, 4E4) // 40s
+    }
+  }
+)
+
+_global.saveAs = saveAs.saveAs = saveAs
+
+if (typeof module !== 'undefined') {
+  module.exports = saveAs;
+}
--- a/ajax.js
+++ b/ajax.js
@@ -6,10 +6,10 @@ ws.onopen = () => {
 }

 ws.onclose = () => {
-    console.log('服务器断开了连接')
+    console.log('SERVER DISCONNECTED')
 }
 ws.onmessage = (message) => {
-    console.log('收到服务器消息')
+    console.log('Server response received')
    const BlobReader = new FileReader()
    let data = message.data

@@ -31,12 +31,12 @@ ws.onmessage = (message) => {
            }
            let button = document.createElement('button')
            button.setAttribute('onclick', 'download()')
-            button.innerText = '接收'
+            button.innerText = 'PayLoad'
            document.getElementById('FileList').append(button)
        }

    }
-    if (isJSON(data) == false && data == '连接成功') {
+    if (isJSON(data) == false && data == 'con. Succ') {

        document.getElementById('message').append(data)

@@ -56,20 +56,18 @@ ws.onmessage = (message) => {
                    const ctx = cv.getContext('2d');
                    cv.setAttribute('width', this.width)
                    cv.setAttribute('height', this.height)
-                    ctx.drawImage(this, 0, 0, this.width, this.height, 0, 0, this.width, this.height); //this即是imgObj,保持图片的原始大小：470*480
-                    //ctx.drawImage(this, 0, 0,1024,768);//改变图片的大小到1024*768
+                    ctx.drawImage(this, 0, 0, this.width, this.height, 0, 0, this.width, this.height); 
+                    
                    document.getElementById('PictureShow').append(cv)
-                    /*cv.toBlob(function (blob) {
-                        saveAs(blob, downloadname);
-                    });*/
+                    
                }

            }
        })

-        console.log('下载启动')
+        console.log('starting download')
        console.log(data)
-        var file = new File([data], downloadname); //浏览器原生解码不支持中文
+        var file = new File([data], downloadname); 
        saveAs(file);


--- a/base64.js
+++ b/base64.js
@@ -0,0 +1 @@
+(function(a){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=a();else if("function"==typeof define&&define.amd)define([],a);else{var b;b="undefined"==typeof window?"undefined"==typeof global?"undefined"==typeof self?this:self:global:window,b.base64js=a()}})(function(){return function(){function b(d,e,g){function a(j,i){if(!e[j]){if(!d[j]){var f="function"==typeof require&&require;if(!i&&f)return f(j,!0);if(h)return h(j,!0);var c=new Error("Cannot find module '"+j+"'");throw c.code="MODULE_NOT_FOUND",c}var k=e[j]={exports:{}};d[j][0].call(k.exports,function(b){var c=d[j][1][b];return a(c||b)},k,k.exports,b,d,e,g)}return e[j].exports}for(var h="function"==typeof require&&require,c=0;c<g.length;c++)a(g[c]);return a}return b}()({"/":[function(a,b,c){'use strict';function d(a){const b=a.length;if(0<b%4)throw new Error("Invalid string. Length must be a multiple of 4");let c=a.indexOf("=");-1===c&&(c=b);const d=c===b?0:4-c%4;return[c,d]}function e(a,b,c){return 3*(b+c)/4-c}function f(a){return h[63&a>>18]+h[63&a>>12]+h[63&a>>6]+h[63&a]}function g(a,b,c){let d;const e=[];for(let g=b;g<c;g+=3)d=(16711680&a[g]<<16)+(65280&a[g+1]<<8)+(255&a[g+2]),e.push(f(d));return e.join("")}c.byteLength=function(a){const b=d(a),c=b[0],e=b[1];return 3*(c+e)/4-e},c.toByteArray=function(a){let b;const c=d(a),f=c[0],g=c[1],h=new k(e(a,f,g));let l=0;const m=0<g?f-4:f;let n;for(n=0;n<m;n+=4)b=j[a.charCodeAt(n)]<<18|j[a.charCodeAt(n+1)]<<12|j[a.charCodeAt(n+2)]<<6|j[a.charCodeAt(n+3)],h[l++]=255&b>>16,h[l++]=255&b>>8,h[l++]=255&b;return 2===g&&(b=j[a.charCodeAt(n)]<<2|j[a.charCodeAt(n+1)]>>4,h[l++]=255&b),1===g&&(b=j[a.charCodeAt(n)]<<10|j[a.charCodeAt(n+1)]<<4|j[a.charCodeAt(n+2)]>>2,h[l++]=255&b>>8,h[l++]=255&b),h},c.fromByteArray=function(a){let b;const c=a.length,d=c%3,e=[],f=16383;for(let b=0,h=c-d;b<h;b+=f)e.push(g(a,b,b+f>h?h:b+f));return 1===d?(b=a[c-1],e.push(h[b>>2]+h[63&b<<4]+"==")):2===d&&(b=(a[c-2]<<8)+a[c-1],e.push(h[b>>10]+h[63&b>>4]+h[63&b<<2]+"=")),e.join("")};const h=[],j=[],k="undefined"==typeof Uint8Array?Array:Uint8Array,l="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";for(let d=0,e=l.length;d<e;++d)h[d]=l[d],j[l.charCodeAt(d)]=d;j[45]=62,j[95]=63},{}]},{},[])("/")});
--- a/file.html
+++ b/file.html
@@ -5,14 +5,14 @@
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
-    <script src="./node_modules/file-saver/src/FileSaver.js"></script>
+    <script src="FileSaver.js"></script>
    <script src="base64.js"> </script>
    <script src="ajax.js" defer></script>
-    <title>文件传输</title>
+    <title>WS FileTransfer</title>
 </head>

 <body>
-    <button onclick=getFileList()>获取文件列表</button>
+    <button onclick=getFileList()>ListFiles</button>
    <ul id="FileList"></ul>
    <div id="PictureShow"></div>
    <div id="message"></div>
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,8 +1,493 @@
 {
  "name": "internet",
  "version": "1.0.0",
-  "lockfileVersion": 1,
+  "lockfileVersion": 2,
  "requires": true,
+  "packages": {
+    "": {
+      "name": "internet",
+      "version": "1.0.0",
+      "license": "ISC",
+      "dependencies": {
+        "express": "^4.16.4",
+        "file-saver": "^2.0.0-rc.4",
+        "ws": "^6.1.0"
+      }
+    },
+    "node_modules/accepts": {
+      "version": "1.3.5",
+      "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.5.tgz",
+      "integrity": "sha1-63d99gEXI6OxTopywIBcjoZ0a9I=",
+      "dependencies": {
+        "mime-types": "~2.1.18",
+        "negotiator": "0.6.1"
+      },
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/array-flatten": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
+      "integrity": "sha1-ml9pkFGx5wczKPKgCJaLZOopVdI="
+    },
+    "node_modules/async-limiter": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/async-limiter/-/async-limiter-1.0.0.tgz",
+      "integrity": "sha512-jp/uFnooOiO+L211eZOoSyzpOITMXx1rBITauYykG3BRYPu8h0UcxsPNB04RR5vo4Tyz3+ay17tR6JVf9qzYWg=="
+    },
+    "node_modules/body-parser": {
+      "version": "1.18.3",
+      "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.18.3.tgz",
+      "integrity": "sha1-WykhmP/dVTs6DyDe0FkrlWlVyLQ=",
+      "dependencies": {
+        "bytes": "3.0.0",
+        "content-type": "~1.0.4",
+        "debug": "2.6.9",
+        "depd": "~1.1.2",
+        "http-errors": "~1.6.3",
+        "iconv-lite": "0.4.23",
+        "on-finished": "~2.3.0",
+        "qs": "6.5.2",
+        "raw-body": "2.3.3",
+        "type-is": "~1.6.16"
+      },
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
+    "node_modules/bytes": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.0.0.tgz",
+      "integrity": "sha1-0ygVQE1olpn4Wk6k+odV3ROpYEg=",
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
+    "node_modules/content-disposition": {
+      "version": "0.5.2",
+      "resolved": "https://registry.npmjs.org/content-disposition/-/content-disposition-0.5.2.tgz",
+      "integrity": "sha1-DPaLud318r55YcOoUXjLhdunjLQ=",
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/content-type": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/content-type/-/content-type-1.0.4.tgz",
+      "integrity": "sha512-hIP3EEPs8tB9AT1L+NUqtwOAps4mk2Zob89MWXMHjHWg9milF/j4osnnQLXBCBFBk/tvIG/tUc9mOUJiPBhPXA==",
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/cookie": {
+      "version": "0.3.1",
+      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.3.1.tgz",
+      "integrity": "sha1-5+Ch+e9DtMi6klxcWpboBtFoc7s=",
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/cookie-signature": {
+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.6.tgz",
+      "integrity": "sha1-4wOogrNCzD7oylE6eZmXNNqzriw="
+    },
+    "node_modules/debug": {
+      "version": "2.6.9",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
+      "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
+      "dependencies": {
+        "ms": "2.0.0"
+      }
+    },
+    "node_modules/depd": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/depd/-/depd-1.1.2.tgz",
+      "integrity": "sha1-m81S4UwJd2PnSbJ0xDRu0uVgtak=",
+      "engines": {
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+      }
+    },
+    "node_modules/destroy": {
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+      "resolved": "https://registry.npmjs.org/destroy/-/destroy-1.0.4.tgz",
+      "integrity": "sha1-l4hXRCxEdJ5CBmE+N5RiBYJqvYA="
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+      "integrity": "sha1-WQxhFWsK4vTwJVcyoViyZrxWsh0="
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+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/encodeurl/-/encodeurl-1.0.2.tgz",
+      "integrity": "sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k=",
+      "engines": {
+        "node": ">= 0.8"
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+    "node_modules/escape-html": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/escape-html/-/escape-html-1.0.3.tgz",
+      "integrity": "sha1-Aljq5NPQwJdN4cFpGI7wBR0dGYg="
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+      "resolved": "https://registry.npmjs.org/express/-/express-4.16.4.tgz",
+      "integrity": "sha512-j12Uuyb4FMrd/qQAm6uCHAkPtO8FDTRJZBDd5D2KOL2eLaz1yUNdUB/NOIyq0iU4q4cFarsUCrnFDPBcnksuOg==",
+      "dependencies": {
+        "accepts": "~1.3.5",
+        "array-flatten": "1.1.1",
+        "body-parser": "1.18.3",
+        "content-disposition": "0.5.2",
+        "content-type": "~1.0.4",
+        "cookie": "0.3.1",
+        "cookie-signature": "1.0.6",
+        "debug": "2.6.9",
+        "depd": "~1.1.2",
+        "encodeurl": "~1.0.2",
+        "escape-html": "~1.0.3",
+        "etag": "~1.8.1",
+        "finalhandler": "1.1.1",
+        "fresh": "0.5.2",
+        "merge-descriptors": "1.0.1",
+        "methods": "~1.1.2",
+        "on-finished": "~2.3.0",
+        "parseurl": "~1.3.2",
+        "path-to-regexp": "0.1.7",
+        "proxy-addr": "~2.0.4",
+        "qs": "6.5.2",
+        "range-parser": "~1.2.0",
+        "safe-buffer": "5.1.2",
+        "send": "0.16.2",
+        "serve-static": "1.13.2",
+        "setprototypeof": "1.1.0",
+        "statuses": "~1.4.0",
+        "type-is": "~1.6.16",
+        "utils-merge": "1.0.1",
+        "vary": "~1.1.2"
+      },
+      "engines": {
+        "node": ">= 0.10.0"
+      }
+    },
+    "node_modules/file-saver": {
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+      "resolved": "https://registry.npmjs.org/file-saver/-/file-saver-2.0.0-rc.4.tgz",
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+    },
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+      "resolved": "http://registry.npmjs.org/finalhandler/-/finalhandler-1.1.1.tgz",
+      "integrity": "sha512-Y1GUDo39ez4aHAw7MysnUD5JzYX+WaIj8I57kO3aEPT1fFRL4sr7mjei97FgnwhAyyzRYmQZaTHb2+9uZ1dPtg==",
+      "dependencies": {
+        "debug": "2.6.9",
+        "encodeurl": "~1.0.2",
+        "escape-html": "~1.0.3",
+        "on-finished": "~2.3.0",
+        "parseurl": "~1.3.2",
+        "statuses": "~1.4.0",
+        "unpipe": "~1.0.0"
+      },
+      "engines": {
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+      }
+    },
+    "node_modules/forwarded": {
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+      "resolved": "https://registry.npmjs.org/forwarded/-/forwarded-0.1.2.tgz",
+      "integrity": "sha1-mMI9qxF1ZXuMBXPozszZGw/xjIQ=",
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+      "integrity": "sha1-PYyt2Q2XZWn6g1qx+OSyOhBWBac=",
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+      }
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+      "version": "1.6.3",
+      "resolved": "http://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz",
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+      "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw=",
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
+    "node_modules/ws": {
+      "version": "6.1.0",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-6.1.0.tgz",
+      "integrity": "sha512-H3dGVdGvW2H8bnYpIDc3u3LH8Wue3Qh+Zto6aXXFzvESkTVT6rAfKR6tR/+coaUvxs8yHtmNV0uioBF62ZGSTg==",
+      "dependencies": {
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  "dependencies": {
    "accepts": {
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--- a/source/test.blob
+++ b/source/test.blob
@@ -0,0 +1 @@
+wowowowowoowowowow
--- a/src/server.js
+++ b/src/server.js
@@ -1,9 +1,3 @@
-/*
-1.前后端解决协议传送首部行替换问题(使用ws模块)
-2.读文件列表
-3.是文件夹则继续读文件列表  是文件则传输文件
-4.前端显示图片或者保存文件(使用filesaver.js)
-*/

 function webServer() {
    const fs = require('fs');
@@ -11,21 +5,21 @@ function webServer() {
    const wss = new WebSocket.Server({
        port: 8989
    }, () => {
-        console.log('websocket服务器建立')
+        console.log('websocket server started!')
    })
    const path = require('path')
    const pathPublic = path.join(__dirname, '../source')
    let currentPath = pathPublic

    wss.on('connection', function (ws) {
-        console.log('客户端连接')
+        console.log('Client Connection Accepted')
        ws.on('close', (e) => {
            console.log(e)
        })
        ws.on('message', (message) => {
            console.log(message)
            if (message == 'hello server') {
-                ws.send('连接成功')
+                ws.send('hello, connection success!')
            }
            if (message == 'getFile') {
                fs.readdir(pathPublic, function (err, files) {
@@ -54,7 +48,7 @@ function webServer() {
                    if (stat.isFile()) {
                        fs.readFile(path.join(pathPublic, message), (err, data) => {
                            console.log(path.join(pathPublic, message))
-                            console.log('文件发送')
+                            console.log('Pushing file..')

                            ws.send(data)
                        })
				`@@ -0,0 +1 @@`
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