!4 同步develop分支

* fix -- 修改获取流程节点信息接口（供前端渲染流程跟踪图着色使用）
* fix -- 修复流程跟踪着色问题
* fix -- 采用ProcessViewer组件显示流程跟踪信息
* fix -- 整合表单设计代码
* fix -- 简易实现用户任务选择用户下拉框内容
* fix -- 修改项目介绍及sql文件
* del -- 移除未使用的文件
* fix -- 修复组件无法显示和修改的问题
* add -- 整合 Rtony/RuoYi-flowable 工作流
* add -- 添加process-designer流程设计插件
* !3 同步ruoyi-vue-plus更新
* !2 登录认证用户信息添加nickName字段（流程任务需要使用到）

ruoyi-ui/src/main.js

@@ -0,0 +1,86 @@
+import Vue from 'vue'
+
+import Cookies from 'js-cookie'
+
+import Element from 'element-ui'
+import './assets/styles/element-variables.scss'
+
+import '@/assets/styles/index.scss' // global css
+import '@/assets/styles/ruoyi.scss' // ruoyi css
+import App from './App'
+import store from './store'
+import router from './router'
+import directive from './directive' // directive
+import plugins from './plugins' // plugins
+import { download } from '@/utils/request'
+
+import './assets/icons' // icon
+import './permission' // permission control
+import { getDicts } from "@/api/system/dict/data";
+import { getConfigKey } from "@/api/system/config";
+import { parseTime, resetForm, addDateRange, selectDictLabel, selectDictLabels, handleTree } from "@/utils/ruoyi";
+// 分页组件
+import Pagination from "@/components/Pagination";
+// 自定义表格工具组件
+import RightToolbar from "@/components/RightToolbar"
+// 富文本组件
+import Editor from "@/components/Editor"
+// 文件上传组件
+import FileUpload from "@/components/FileUpload"
+// 图片上传组件
+import ImageUpload from "@/components/ImageUpload"
+// 图片预览组件
+import ImagePreview from "@/components/ImagePreview"
+// 字典标签组件
+import DictTag from '@/components/DictTag'
+// 头部标签组件
+import VueMeta from 'vue-meta'
+// 字典数据组件
+import DictData from '@/components/DictData'
+
+// 全局方法挂载
+Vue.prototype.getDicts = getDicts
+Vue.prototype.getConfigKey = getConfigKey
+Vue.prototype.parseTime = parseTime
+Vue.prototype.resetForm = resetForm
+Vue.prototype.addDateRange = addDateRange
+Vue.prototype.selectDictLabel = selectDictLabel
+Vue.prototype.selectDictLabels = selectDictLabels
+Vue.prototype.download = download
+Vue.prototype.handleTree = handleTree
+
+// 全局组件挂载
+Vue.component('DictTag', DictTag)
+Vue.component('Pagination', Pagination)
+Vue.component('RightToolbar', RightToolbar)
+Vue.component('Editor', Editor)
+Vue.component('FileUpload', FileUpload)
+Vue.component('ImageUpload', ImageUpload)
+Vue.component('ImagePreview', ImagePreview)
+
+Vue.use(directive)
+Vue.use(plugins)
+Vue.use(VueMeta)
+DictData.install()
+
+/**
+ * If you don't want to use mock-server
+ * you want to use MockJs for mock api
+ * you can execute: mockXHR()
+ *
+ * Currently MockJs will be used in the production environment,
+ * please remove it before going online! ! !
+ */
+
+Vue.use(Element, {
+  size: Cookies.get('size') || 'medium' // set element-ui default size
+})
+
+Vue.config.productionTip = false
+
+new Vue({
+  el: '#app',
+  router,
+  store,
+  render: h => h(App)
+})