websocket封装

src/excel/Blob.js.js

@@ -1,179 +0,0 @@
-/* eslint-disable */
-/* Blob.js
- * A Blob implementation.
- * 2014-05-27
- *
- * By Eli Grey, http://eligrey.com
- * By Devin Samarin, https://github.com/eboyjr
- * License: X11/MIT
- *   See LICENSE.md
- */
-
-/*global self, unescape */
-/*jslint bitwise: true, regexp: true, confusion: true, es5: true, vars: true, white: true,
- plusplus: true */
-
-/*! @source http://purl.eligrey.com/github/Blob.js/blob/master/Blob.js */
-
-(function (view) {
-  "use strict";
-
-  view.URL = view.URL || view.webkitURL;
-
-  if (view.Blob && view.URL) {
-      try {
-          new Blob;
-          return;
-      } catch (e) {}
-  }
-
-  // Internally we use a BlobBuilder implementation to base Blob off of
-  // in order to support older browsers that only have BlobBuilder
-  var BlobBuilder = view.BlobBuilder || view.WebKitBlobBuilder || view.MozBlobBuilder || (function(view) {
-          var
-              get_class = function(object) {
-                  return Object.prototype.toString.call(object).match(/^\[object\s(.*)\]$/)[1];
-              }
-              , FakeBlobBuilder = function BlobBuilder() {
-                  this.data = [];
-              }
-              , FakeBlob = function Blob(data, type, encoding) {
-                  this.data = data;
-                  this.size = data.length;
-                  this.type = type;
-                  this.encoding = encoding;
-              }
-              , FBB_proto = FakeBlobBuilder.prototype
-              , FB_proto = FakeBlob.prototype
-              , FileReaderSync = view.FileReaderSync
-              , FileException = function(type) {
-                  this.code = this[this.name = type];
-              }
-              , file_ex_codes = (
-                  "NOT_FOUND_ERR SECURITY_ERR ABORT_ERR NOT_READABLE_ERR ENCODING_ERR "
-                  + "NO_MODIFICATION_ALLOWED_ERR INVALID_STATE_ERR SYNTAX_ERR"
-              ).split(" ")
-              , file_ex_code = file_ex_codes.length
-              , real_URL = view.URL || view.webkitURL || view
-              , real_create_object_URL = real_URL.createObjectURL
-              , real_revoke_object_URL = real_URL.revokeObjectURL
-              , URL = real_URL
-              , btoa = view.btoa
-              , atob = view.atob
-
-              , ArrayBuffer = view.ArrayBuffer
-              , Uint8Array = view.Uint8Array
-              ;
-          FakeBlob.fake = FB_proto.fake = true;
-          while (file_ex_code--) {
-              FileException.prototype[file_ex_codes[file_ex_code]] = file_ex_code + 1;
-          }
-          if (!real_URL.createObjectURL) {
-              URL = view.URL = {};
-          }
-          URL.createObjectURL = function(blob) {
-              var
-                  type = blob.type
-                  , data_URI_header
-                  ;
-              if (type === null) {
-                  type = "application/octet-stream";
-              }
-              if (blob instanceof FakeBlob) {
-                  data_URI_header = "data:" + type;
-                  if (blob.encoding === "base64") {
-                      return data_URI_header + ";base64," + blob.data;
-                  } else if (blob.encoding === "URI") {
-                      return data_URI_header + "," + decodeURIComponent(blob.data);
-                  } if (btoa) {
-                      return data_URI_header + ";base64," + btoa(blob.data);
-                  } else {
-                      return data_URI_header + "," + encodeURIComponent(blob.data);
-                  }
-              } else if (real_create_object_URL) {
-                  return real_create_object_URL.call(real_URL, blob);
-              }
-          };
-          URL.revokeObjectURL = function(object_URL) {
-              if (object_URL.substring(0, 5) !== "data:" && real_revoke_object_URL) {
-                  real_revoke_object_URL.call(real_URL, object_URL);
-              }
-          };
-          FBB_proto.append = function(data/*, endings*/) {
-              var bb = this.data;
-              // decode data to a binary string
-              if (Uint8Array && (data instanceof ArrayBuffer || data instanceof Uint8Array)) {
-                  var
-                      str = ""
-                      , buf = new Uint8Array(data)
-                      , i = 0
-                      , buf_len = buf.length
-                      ;
-                  for (; i < buf_len; i++) {
-                      str += String.fromCharCode(buf[i]);
-                  }
-                  bb.push(str);
-              } else if (get_class(data) === "Blob" || get_class(data) === "File") {
-                  if (FileReaderSync) {
-                      var fr = new FileReaderSync;
-                      bb.push(fr.readAsBinaryString(data));
-                  } else {
-                      // async FileReader won't work as BlobBuilder is sync
-                      throw new FileException("NOT_READABLE_ERR");
-                  }
-              } else if (data instanceof FakeBlob) {
-                  if (data.encoding === "base64" && atob) {
-                      bb.push(atob(data.data));
-                  } else if (data.encoding === "URI") {
-                      bb.push(decodeURIComponent(data.data));
-                  } else if (data.encoding === "raw") {
-                      bb.push(data.data);
-                  }
-              } else {
-                  if (typeof data !== "string") {
-                      data += ""; // convert unsupported types to strings
-                  }
-                  // decode UTF-16 to binary string
-                  bb.push(unescape(encodeURIComponent(data)));
-              }
-          };
-          FBB_proto.getBlob = function(type) {
-              if (!arguments.length) {
-                  type = null;
-              }
-              return new FakeBlob(this.data.join(""), type, "raw");
-          };
-          FBB_proto.toString = function() {
-              return "[object BlobBuilder]";
-          };
-          FB_proto.slice = function(start, end, type) {
-              var args = arguments.length;
-              if (args < 3) {
-                  type = null;
-              }
-              return new FakeBlob(
-                  this.data.slice(start, args > 1 ? end : this.data.length)
-                  , type
-                  , this.encoding
-              );
-          };
-          FB_proto.toString = function() {
-              return "[object Blob]";
-          };
-          FB_proto.close = function() {
-              this.size = this.data.length = 0;
-          };
-          return FakeBlobBuilder;
-      }(view));
-
-  view.Blob = function Blob(blobParts, options) {
-      var type = options ? (options.type || "") : "";
-      var builder = new BlobBuilder();
-      if (blobParts) {
-          for (var i = 0, len = blobParts.length; i < len; i++) {
-              builder.append(blobParts[i]);
-          }
-      }
-      return builder.getBlob(type);
-  };
-}(typeof self !== "undefined" && self || typeof window !== "undefined" && window || this.content || this));

src/excel/Export2Excel.js

@@ -1,141 +0,0 @@
-/* eslint-disable */
-require('script-loader!file-saver');
-require('./Blob.js');
-require('script-loader!xlsx/dist/xlsx.core.min');
-function generateArray(table) {
-    var out = [];
-    var rows = table.querySelectorAll('tr');
-    var ranges = [];
-    for (var R = 0; R < rows.length; ++R) {
-        var outRow = [];
-        var row = rows[R];
-        var columns = row.querySelectorAll('td');
-        for (var C = 0; C < columns.length; ++C) {
-            var cell = columns[C];
-            var colspan = cell.getAttribute('colspan');
-            var rowspan = cell.getAttribute('rowspan');
-            var cellValue = cell.innerText;
-            if (cellValue !== "" && cellValue == +cellValue) cellValue = +cellValue;
-
-            //Skip ranges
-            ranges.forEach(function (range) {
-                if (R >= range.s.r && R <= range.e.r && outRow.length >= range.s.c && outRow.length <= range.e.c) {
-                    for (var i = 0; i <= range.e.c - range.s.c; ++i) outRow.push(null);
-                }
-            });
-
-            //Handle Row Span
-            if (rowspan || colspan) {
-                rowspan = rowspan || 1;
-                colspan = colspan || 1;
-                ranges.push({s: {r: R, c: outRow.length}, e: {r: R + rowspan - 1, c: outRow.length + colspan - 1}});
-            }
-            ;
-
-            //Handle Value
-            outRow.push(cellValue !== "" ? cellValue : null);
-
-            //Handle Colspan
-            if (colspan) for (var k = 0; k < colspan - 1; ++k) outRow.push(null);
-        }
-        out.push(outRow);
-    }
-    return [out, ranges];
-};
-
-function datenum(v, date1904) {
-    if (date1904) v += 1462;
-    var epoch = Date.parse(v);
-    return (epoch - new Date(Date.UTC(1899, 11, 30))) / (24 * 60 * 60 * 1000);
-}
-
-function sheet_from_array_of_arrays(data, opts) {
-    var ws = {};
-    var range = {s: {c: 10000000, r: 10000000}, e: {c: 0, r: 0}};
-    for (var R = 0; R != data.length; ++R) {
-        for (var C = 0; C != data[R].length; ++C) {
-            if (range.s.r > R) range.s.r = R;
-            if (range.s.c > C) range.s.c = C;
-            if (range.e.r < R) range.e.r = R;
-            if (range.e.c < C) range.e.c = C;
-            var cell = {v: data[R][C]};
-            if (cell.v == null) continue;
-            var cell_ref = XLSX.utils.encode_cell({c: C, r: R});
-
-            if (typeof cell.v === 'number') cell.t = 'n';
-            else if (typeof cell.v === 'boolean') cell.t = 'b';
-            else if (cell.v instanceof Date) {
-                cell.t = 'n';
-                cell.z = XLSX.SSF._table[14];
-                cell.v = datenum(cell.v);
-            }
-            else cell.t = 's';
-
-            ws[cell_ref] = cell;
-        }
-    }
-    if (range.s.c < 10000000) ws['!ref'] = XLSX.utils.encode_range(range);
-    return ws;
-}
-
-function Workbook() {
-    if (!(this instanceof Workbook)) return new Workbook();
-    this.SheetNames = [];
-    this.Sheets = {};
-}
-
-function s2ab(s) {
-    var buf = new ArrayBuffer(s.length);
-    var view = new Uint8Array(buf);
-    for (var i = 0; i != s.length; ++i) view[i] = s.charCodeAt(i) & 0xFF;
-    return buf;
-}
-
-export function export_table_to_excel(id) {
-    var theTable = document.getElementById(id);
-    console.log('a')
-    var oo = generateArray(theTable);
-    var ranges = oo[1];
-
-    /* original data */
-    var data = oo[0];
-    var ws_name = "SheetJS";
-    console.log(data);
-
-    var wb = new Workbook(), ws = sheet_from_array_of_arrays(data);
-
-    /* add ranges to worksheet */
-    // ws['!cols'] = ['apple', 'banan'];
-    ws['!merges'] = ranges;
-
-    /* add worksheet to workbook */
-    wb.SheetNames.push(ws_name);
-    wb.Sheets[ws_name] = ws;
-
-    var wbout = XLSX.write(wb, {bookType: 'xlsx', bookSST: false, type: 'binary'});
-
-    saveAs(new Blob([s2ab(wbout)], {type: "application/octet-stream"}), "test.xlsx")
-}
-
-function formatJson(jsonData) {
-    console.log(jsonData)
-}
-export function export_json_to_excel(th, jsonData, defaultTitle) {
-
-    /* original data */
-
-    var data = jsonData;
-    data.unshift(th);
-    var ws_name = "SheetJS";
-
-    var wb = new Workbook(), ws = sheet_from_array_of_arrays(data);
-
-
-    /* add worksheet to workbook */
-    wb.SheetNames.push(ws_name);
-    wb.Sheets[ws_name] = ws;
-
-    var wbout = XLSX.write(wb, {bookType: 'xlsx', bookSST: false, type: 'binary'});
-    var title = defaultTitle || '列表'
-    saveAs(new Blob([s2ab(wbout)], {type: "application/octet-stream"}), title + ".xlsx")
-}

src/mixins/websocket.js

@@ -0,0 +1,41 @@
+export default {
+  name: 'test',
+  data() {
+    return {
+      websocketUrl: '',
+      websocket: null,
+      requestData: null,
+      responseData: null
+    }
+  },
+  created() {
+    this.initWebSocket()
+  },
+  destroyed() {
+    this.websocketClose() // 离开路由之后断开websocket连接
+  },
+  methods: {
+    initWebSocket() { // websocket
+      this.websocket = new WebSocket(this.websocketUrl)
+      this.websocket.onmessage = this.websocketOnmessage
+      this.websocket.onopen = this.websocketOnopen
+      this.websocket.onerror = this.websocketOnerror
+      this.websocket.onclose = this.websocketClose
+    },
+    websocketOnopen() { // 连接建立之后执行send方法发送数据
+      this.websocketSend(this.requestData)
+    },
+    websocketOnerror() { // 连接失败重连
+      this.initWebSocket()
+    },
+    websocketOnmessage(e) { // 数据接收
+      this.responseData = e.data
+    },
+    websocketSend(Data) { // 数据发送
+      this.websocket.send(this.requestData)
+    },
+    websocketClose(e) { // 关闭
+      this.websocket.close()
+    }
+  }
+}