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网站建设影音先锋网址,百度框架户开户渠道,移动端模板网站建设,app软件开发学什么专业背景 因为服务端给的数据并不是xml#xff0c;而且服务端要拿的数据是json#xff0c;所以我们只能xml和json互转#xff0c;来完成和服务端的对接 xml转json import XML from ./config/jsonxml.js/*** xml转为json* param {} xml/xmlToJson(xml) {const xotree new X…背景 因为服务端给的数据并不是xml而且服务端要拿的数据是json所以我们只能xml和json互转来完成和服务端的对接 xml转json import XML from ./config/jsonxml.js/*** xml转为json* param {} xml/xmlToJson(xml) {const xotree new XML.ObjTree()const jsonData xotree.parseXML(xml)return jsonData},jsonxml.js const XML function() {}// constructorXML.ObjTree function() {return this }// class variablesXML.ObjTree.VERSION 0.23// object prototypeXML.ObjTree.prototype.xmlDecl ?xml version1.0 encodingUTF-8 ?\n XML.ObjTree.prototype.attr_prefix -// method: parseXML( xmlsource )XML.ObjTree.prototype.parseXML function(xml) {let rootif (window.DOMParser) {var xmldom new DOMParser()// xmldom.async false; // DOMParser is always sync-modeconst dom xmldom.parseFromString(xml, application/xml)if (!dom) returnroot dom.documentElement} else if (window.ActiveXObject) {xmldom new ActiveXObject(Microsoft.XMLDOM)xmldom.async falsexmldom.loadXML(xml)root xmldom.documentElement}if (!root) returnreturn this.parseDOM(root) }// method: parseHTTP( url, options, callback )XML.ObjTree.prototype.parseHTTP function(url, options, callback) {const myopt {}for (const key in options) {myopt[key] options[key] // copy object}if (!myopt.method) {if (typeof myopt.postBody undefined typeof myopt.postbody undefined typeof myopt.parameters undefined) {myopt.method get} else {myopt.method post}}if (callback) {myopt.asynchronous true // async-modeconst __this thisconst __func callbackconst __save myopt.onCompletemyopt.onComplete function(trans) {let treeif (trans trans.responseXML trans.responseXML.documentElement) {tree this.parseDOM(trans.responseXML.documentElement)}func(tree, trans)if (__save) save(trans)}} else {myopt.asynchronous false // sync-mode}let transif (typeof HTTP ! undefined HTTP.Request) {myopt.uri urlvar req new HTTP.Request(myopt) // JSANif (req) trans req.transport} else if (typeof Ajax ! undefined Ajax.Request) {var req new Ajax.Request(url, myopt) // ptorotype.jsif (req) trans req.transport}if (callback) return transif (trans trans.responseXML trans.responseXML.documentElement) {return this.parseDOM(trans.responseXML.documentElement)} }// method: parseDOM( documentroot )XML.ObjTree.prototype.parseDOM function(root) {if (!root) returnthis.force_array {}if (this.force_array) {for (let i 0; i this.force_array.length; i) {this.force_array[this.force_array[i]] 1}}let json this.parseElement(root) // parse root nodeif (this.force_array[root.nodeName]) {json [json]}if (root.nodeType ! 11) {// DOCUMENT_FRAGMENT_NODEconst tmp {}tmp[root.nodeName] json // root nodeNamejson tmp}return json }// method: parseElement( element )XML.ObjTree.prototype.parseElement function(elem) {// COMMENT_NODEif (elem.nodeType 7) {return}// TEXT_NODE CDATA_SECTION_NODEif (elem.nodeType 3 || elem.nodeType 4) {const bool elem.nodeValue.match(/[^\x00-\x20]/)if (bool null) return // ignore white spacesreturn elem.nodeValue}let retvalconst cnt {}// parse attributesif (elem.attributes elem.attributes.length) {retval {}for (var i 0; i elem.attributes.length; i) {var key elem.attributes[i].nodeNameif (typeof key ! string) continuevar val elem.attributes[i].nodeValueif (!val) continuekey this.attr_prefix keyif (typeof cnt[key] undefined) cnt[key] 0cnt[key]this.addNode(retval, key, cnt[key], val)}}// parse child nodes (recursive)if (elem.childNodes elem.childNodes.length) {let textonly trueif (retval) textonly false // some attributes existsfor (var i 0; i elem.childNodes.length textonly; i) {const ntype elem.childNodes[i].nodeTypeif (ntype 3 || ntype 4) continuetextonly false}if (textonly) {if (!retval) retval for (var i 0; i elem.childNodes.length; i) {retval elem.childNodes[i].nodeValue}} else {if (!retval) retval {}for (var i 0; i elem.childNodes.length; i) {var key elem.childNodes[i].nodeNameif (typeof key ! string) continuevar val this.parseElement(elem.childNodes[i])if (!val) continueif (typeof cnt[key] undefined) cnt[key] 0cnt[key]this.addNode(retval, key, cnt[key], val)}}}return retval }// method: addNode( hash, key, count, value )XML.ObjTree.prototype.addNode function(hash, key, cnts, val) {if (this.__force_array[key]) {if (cnts 1) hash[key] []hash[key][hash[key].length] val // push} else if (cnts 1) {// 1st siblinghash[key] val} else if (cnts 2) {// 2nd siblinghash[key] [hash[key], val]} else {// 3rd sibling and morehash[key][hash[key].length] val} }// method: writeXML( tree )XML.ObjTree.prototype.writeXML function(tree) {const xml this.hash_to_xml(null, tree)return this.xmlDecl xml }// method: hash_to_xml( tagName, tree )XML.ObjTree.prototype.hash_to_xml function(name, tree) {const elem []const attr []for (const key in tree) {if (!tree.hasOwnProperty(key)) continueconst val tree[key]if (key.charAt(0) ! this.attr_prefix) {if (typeof val undefined || val null) {elem[elem.length] \({key} /} else if (typeof val object val.constructor Array) {elem[elem.length] this.array_to_xml(key, val)} else if (typeof val object) {elem[elem.length] this.hash_to_xml(key, val)} else {elem[elem.length] this.scalar_to_xml(key, val)}} else {attr[attr.length] \){key.substring(1)}\({this.xml_escape(val)}}}const jattr attr.join()let jelem elem.join()if (typeof name undefined || name null) {// no tag} else if (elem.length 0) {if (jelem.match(/\n/)) {jelem \){name}\({jattr}\n\){jelem}/\({name}\n} else {jelem \){name}\({jattr}\){jelem}/\({name}\n}} else {jelem \){name}\({jattr} /\n}return jelem }// method: array_to_xml( tagName, array )XML.ObjTree.prototype.array_to_xml function(name, array) {const out []for (let i 0; i array.length; i) {const val array[i]if (typeof val undefined || val null) {out[out.length] \){name} /} else if (typeof val object val.constructor Array) {out[out.length] this.array_to_xml(name, val)} else if (typeof val object) {out[out.length] this.hash_to_xml(name, val)} else {out[out.length] this.scalar_to_xml(name, val)}}return out.join() }// method: scalar_to_xml( tagName, text )XML.ObjTree.prototype.scalar_to_xml function(name, text) {if (name #text) {return this.xml_escape(text)}return \({name}\){this.xml_escape(text)}/\({name}\n }// method: xml_escape( text )XML.ObjTree.prototype.xml_escape function(text) {return \){text}.replace(//g, amp;).replace(//g, lt;).replace(//g, gt;).replace(//g, quot;) }export default XML json 转为xml const getIncoming (id, data) {return data.filter(item item.targetRef id).map(items items.id) } const getOutGoing (id, data) {return data.filter(item item.sourceRef id).map(items items.id) } const getLabel (data, labelStyle) {const keyWord [isBold, isItalic, isStrikeThrough, isUnderline, fontFamily, size]const arr data.filter(item {return keyWord.find(key {return key in labelStyle})})return arr.map(item {const obj {}keyWord.forEach(key {if (labelStyle[key]) {obj[key fontFamily ? name : key] labelStyle[key] || }})return {-id: item.id,omgdc:Font: obj}}) } export function convertJsonToBpmn(jsonData) {if (!jsonData || !Object.keys(jsonData).length) return {}const result {definitions: {-xmlns: http://www.omg.org/spec/BPMN/20100524/MODEL,-xmlns:bpmndi: http://www.omg.org/spec/BPMN/20100524/DI,-xmlns:omgdi: http://www.omg.org/spec/DD/20100524/DI,-xmlns:omgdc: http://www.omg.org/spec/DD/20100524/DC,-xmlns:xsi: http://www.w3.org/2001/XMLSchema-instance,-xmlns:bioc: http://bpmn.io/schema/bpmn/biocolor/1.0,-xmlns:color: http://www.omg.org/spec/BPMN/non-normative/color/1.0,-id: sid-38422fae-e03e-43a3-bef4-bd33b32041b2,-targetNamespace: http://bpmn.io/bpmn,-exporter: bpmn-js (https://demo.bpmn.io),-exporterVersion: 5.1.2,process: {-id: Process_1,-isExecutable: true,task: [],sequenceFlow: []},bpmndi:BPMNDiagram: {-id: BpmnDiagram_1,bpmndi:BPMNPlane: {-id: BpmnPlane_1,-bpmnElement: Process_1,bpmndi:BPMNShape: [],bpmndi:BPMNEdge: []}},bpmndi:BPMNLabelStyle: {}}}// Convert tasksjsonData.nodeLists.forEach(task {const taskId task.config.idconst incoming getIncoming(taskId, jsonData.lines)const outGoing getOutGoing(taskId, jsonData.lines)const obj {-id: taskId}if (incoming.length 1) {obj.incoming incoming} else if (incoming.length 1) {obj.incoming incoming[0]}if (outGoing.length 1) {obj.outgoing outGoing} else if (outGoing.length 1) {obj.outgoing outGoing[0]}result.definitions.process.task.push(obj)const { x, y, width, height, labelStyle } task.configconst element {-id: \({taskId}_di,-bpmnElement: taskId,omgdc:Bounds: {-x: x,-y: y,-width: width,-height: height},bpmndi:BPMNLabel: {}}if (labelStyle Object.keys(labelStyle).length) {const { x, y, width, height, id } labelStyleelement[bpmndi:BPMNLabel][-labelStyle] idelement[bpmndi:BPMNLabel][omgdc:Bounds] {-x: x,-y: y,-width: width,-height: height}result.definitions[bpmndi:BPMNLabelStyle] getLabel(jsonData.nodeLists, labelStyle)}// Convert BPMN shapesresult.definitions[bpmndi:BPMNDiagram][bpmndi:BPMNPlane][bpmndi:BPMNShape].push(element)})// Convert sequence flowsjsonData.lines.forEach(line {const sequenceFlowId line.idconst sourceRef line.sourceRefconst targetRef line.targetRefresult.definitions.process.sequenceFlow.push({-id: \){sequenceFlowId},-name: line.name,-sourceRef: sourceRef,-targetRef: targetRef})// Convert BPMN edgesresult.definitions[bpmndi:BPMNDiagram][bpmndi:BPMNPlane][bpmndi:BPMNEdge].push({-id: ${sequenceFlowId}_di,-bpmnElement: sequenceFlowId,omgdi:waypoint: line.point.map(p {return { -x: p.x, -y: p.y }}),bpmndi:BPMNLabel: {omgdc:Bounds: {-x: line.x,-y: line.y,-width: line.width,-height: line.height}}})})return result }