789 lines
20 KiB
JavaScript
789 lines
20 KiB
JavaScript
import { initData, download } from '@/api/data'
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import { parseTime, downloadFile } from '@/utils/index'
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import Vue from 'vue'
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/**
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* CRUD配置
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* @author moxun
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* @param {*} options <br>
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* @return crud instance.
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* @example
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* 要使用多crud时，请在关联crud的组件处使用crud-tag进行标记，如：<jobForm :job-status="dict.job_status" crud-tag="job" />
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*/
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function CRUD(options) {
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const defaultOptions = {
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tag: 'default',
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// id字段名
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idField: 'id',
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// 标题
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title: '',
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// 请求数据的url
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url: '',
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// 表格数据
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data: [],
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// 选择项
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selections: [],
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// 待查询的对象
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query: {},
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// 查询数据的参数
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params: {},
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// Form 表单
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form: {},
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// 重置表单
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defaultForm: () => {},
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// 排序规则，默认 id 降序， 支持多字段排序 ['id,desc', 'createTime,asc']
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sort: ['id,desc'],
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// 等待时间
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time: 50,
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// CRUD Method
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crudMethod: {
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add: (form) => {},
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del: (id) => {},
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edit: (form) => {},
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get: (id) => {}
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},
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// 主页操作栏显示哪些按钮
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optShow: {
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add: true,
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edit: true,
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del: true,
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download: true
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},
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// 自定义一些扩展属性
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props: {},
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// 在主页准备
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queryOnPresenterCreated: true,
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// 调试开关
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debug: false
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}
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options = mergeOptions(defaultOptions, options)
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const data = {
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...options,
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// 记录数据状态
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dataStatus: {},
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status: {
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add: CRUD.STATUS.NORMAL,
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edit: CRUD.STATUS.NORMAL,
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// 添加或编辑状态
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get cu() {
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if (this.add === CRUD.STATUS.NORMAL && this.edit === CRUD.STATUS.NORMAL) {
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return CRUD.STATUS.NORMAL
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} else if (this.add === CRUD.STATUS.PREPARED || this.edit === CRUD.STATUS.PREPARED) {
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return CRUD.STATUS.PREPARED
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} else if (this.add === CRUD.STATUS.PROCESSING || this.edit === CRUD.STATUS.PROCESSING) {
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return CRUD.STATUS.PROCESSING
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}
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throw new Error('wrong crud\'s cu status')
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},
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// 标题
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get title() {
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return this.add > CRUD.STATUS.NORMAL ? `新增${crud.title}` : this.edit > CRUD.STATUS.NORMAL ? `编辑${crud.title}` : crud.title
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}
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},
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msg: {
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submit: '提交成功',
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add: '新增成功',
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edit: '编辑成功',
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del: '删除成功'
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},
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page: {
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// 页码
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page: 0,
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// 每页数据条数
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size: 10,
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// 总数据条数
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total: 0
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},
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// 整体loading
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loading: true,
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// 导出的 Loading
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downloadLoading: false,
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// 删除的 Loading
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delAllLoading: false
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}
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const methods = {
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/**
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* 通用的提示
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*/
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submitSuccessNotify() {
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crud.notify(crud.msg.submit, CRUD.NOTIFICATION_TYPE.SUCCESS)
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},
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addSuccessNotify() {
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crud.notify(crud.msg.add, CRUD.NOTIFICATION_TYPE.SUCCESS)
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},
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editSuccessNotify() {
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crud.notify(crud.msg.edit, CRUD.NOTIFICATION_TYPE.SUCCESS)
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},
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delSuccessNotify() {
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crud.notify(crud.msg.del, CRUD.NOTIFICATION_TYPE.SUCCESS)
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},
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// 搜索
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toQuery() {
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crud.page.page = 1
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crud.refresh()
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},
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// 刷新
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refresh() {
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if (!callVmHook(crud, CRUD.HOOK.beforeRefresh)) {
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return
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}
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return new Promise((resolve, reject) => {
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crud.loading = true
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// 请求数据
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initData(crud.url, crud.getQueryParams()).then(data => {
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crud.page.total = data.totalElements
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crud.data = data.content
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crud.resetDataStatus()
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// time 毫秒后显示表格
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setTimeout(() => {
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crud.loading = false
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callVmHook(crud, CRUD.HOOK.afterRefresh)
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}, crud.time)
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resolve(data)
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}).catch(err => {
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crud.loading = false
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reject(err)
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})
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})
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},
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/**
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* 启动添加
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*/
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toAdd() {
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if (!(callVmHook(crud, CRUD.HOOK.beforeToAdd, crud.form) && callVmHook(crud, CRUD.HOOK.beforeToCU, crud.form))) {
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return
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}
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crud.status.add = CRUD.STATUS.PREPARED
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callVmHook(crud, CRUD.HOOK.afterToAdd, crud.form)
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callVmHook(crud, CRUD.HOOK.afterToCU, crud.form)
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},
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/**
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* 启动编辑
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* @param {*} data 数据项
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*/
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toEdit(data) {
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crud.resetForm(JSON.parse(JSON.stringify(data)))
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if (!(callVmHook(crud, CRUD.HOOK.beforeToEdit, crud.form) && callVmHook(crud, CRUD.HOOK.beforeToCU, crud.form))) {
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return
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}
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crud.status.edit = CRUD.STATUS.PREPARED
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crud.getDataStatus(crud.getDataId(data)).edit = CRUD.STATUS.PREPARED
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callVmHook(crud, CRUD.HOOK.afterToEdit, crud.form)
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callVmHook(crud, CRUD.HOOK.afterToCU, crud.form)
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},
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/**
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* 启动删除
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* @param {*} data 数据项
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*/
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toDelete(data) {
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crud.getDataStatus(crud.getDataId(data)).delete = CRUD.STATUS.PREPARED
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},
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/**
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* 取消删除
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* @param {*} data 数据项
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*/
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cancelDelete(data) {
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if (!callVmHook(crud, CRUD.HOOK.beforeDeleteCancel, data)) {
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return
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}
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crud.getDataStatus(crud.getDataId(data)).delete = CRUD.STATUS.NORMAL
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callVmHook(crud, CRUD.HOOK.afterDeleteCancel, data)
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},
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/**
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* 取消新增/编辑
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*/
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cancelCU() {
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const addStatus = crud.status.add
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const editStatus = crud.status.edit
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if (addStatus === CRUD.STATUS.PREPARED) {
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if (!callVmHook(crud, CRUD.HOOK.beforeAddCancel, crud.form)) {
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return
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}
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crud.status.add = CRUD.STATUS.NORMAL
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}
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if (editStatus === CRUD.STATUS.PREPARED) {
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if (!callVmHook(crud, CRUD.HOOK.beforeEditCancel, crud.form)) {
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return
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}
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crud.status.edit = CRUD.STATUS.NORMAL
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crud.getDataStatus(crud.getDataId(crud.form)).edit = CRUD.STATUS.NORMAL
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}
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crud.resetForm()
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if (addStatus === CRUD.STATUS.PREPARED) {
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callVmHook(crud, CRUD.HOOK.afterAddCancel, crud.form)
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}
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if (editStatus === CRUD.STATUS.PREPARED) {
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callVmHook(crud, CRUD.HOOK.afterEditCancel, crud.form)
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}
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// 清除表单验证
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if (crud.findVM('form').$refs['form']) {
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crud.findVM('form').$refs['form'].clearValidate()
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}
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},
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/**
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* 提交新增/编辑
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*/
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submitCU() {
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if (!callVmHook(crud, CRUD.HOOK.beforeValidateCU)) {
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return
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}
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crud.findVM('form').$refs['form'].validate(valid => {
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if (!valid) {
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return
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}
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if (!callVmHook(crud, CRUD.HOOK.afterValidateCU)) {
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return
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}
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if (crud.status.add === CRUD.STATUS.PREPARED) {
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crud.doAdd()
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} else if (crud.status.edit === CRUD.STATUS.PREPARED) {
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crud.doEdit()
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}
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})
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},
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/**
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* 执行添加
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*/
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doAdd() {
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if (!callVmHook(crud, CRUD.HOOK.beforeSubmit)) {
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return
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}
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crud.status.add = CRUD.STATUS.PROCESSING
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crud.crudMethod.add(crud.form).then(() => {
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crud.status.add = CRUD.STATUS.NORMAL
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crud.resetForm()
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crud.addSuccessNotify()
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callVmHook(crud, CRUD.HOOK.afterSubmit)
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crud.toQuery()
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}).catch(() => {
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crud.status.add = CRUD.STATUS.PREPARED
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callVmHook(crud, CRUD.HOOK.afterAddError)
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})
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},
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/**
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* 执行编辑
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*/
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doEdit() {
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if (!callVmHook(crud, CRUD.HOOK.beforeSubmit)) {
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return
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}
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crud.status.edit = CRUD.STATUS.PROCESSING
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crud.crudMethod.edit(crud.form).then(() => {
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crud.status.edit = CRUD.STATUS.NORMAL
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crud.getDataStatus(crud.getDataId(crud.form)).edit = CRUD.STATUS.NORMAL
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crud.editSuccessNotify()
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crud.resetForm()
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callVmHook(crud, CRUD.HOOK.afterSubmit)
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crud.refresh()
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}).catch(() => {
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crud.status.edit = CRUD.STATUS.PREPARED
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callVmHook(crud, CRUD.HOOK.afterEditError)
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})
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},
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/**
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* 执行删除
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* @param {*} data 数据项
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*/
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doDelete(data) {
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let delAll = false
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let dataStatus
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const ids = []
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if (data instanceof Array) {
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delAll = true
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data.forEach(val => {
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ids.push(this.getDataId(val))
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})
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} else {
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ids.push(this.getDataId(data))
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dataStatus = crud.getDataStatus(this.getDataId(data))
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}
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if (!callVmHook(crud, CRUD.HOOK.beforeDelete, data)) {
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return
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}
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if (!delAll) {
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dataStatus.delete = CRUD.STATUS.PROCESSING
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}
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return crud.crudMethod.del(ids).then(() => {
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if (delAll) {
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crud.delAllLoading = false
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} else dataStatus.delete = CRUD.STATUS.PREPARED
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crud.dleChangePage(1)
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crud.delSuccessNotify()
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callVmHook(crud, CRUD.HOOK.afterDelete, data)
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crud.refresh()
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}).catch(() => {
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if (delAll) {
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crud.delAllLoading = false
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} else dataStatus.delete = CRUD.STATUS.PREPARED
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})
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},
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/**
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* 通用导出
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*/
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doExport() {
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crud.downloadLoading = true
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download(crud.url + '/download', crud.getQueryParams()).then(result => {
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downloadFile(result, crud.title + '数据', 'xlsx')
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crud.downloadLoading = false
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}).catch(() => {
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crud.downloadLoading = false
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})
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},
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/**
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* 获取查询参数
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*/
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getQueryParams: function() {
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// 清楚 参数无值的情况
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Object.keys(crud.query).length !== 0 && Object.keys(crud.query).forEach(item => {
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if (!crud.query[item]) crud.query[item] = undefined
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})
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Object.keys(crud.params).length !== 0 && Object.keys(crud.params).forEach(item => {
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if (!crud.params[item]) crud.params[item] = undefined
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})
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return {
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page: crud.page.page - 1,
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size: crud.page.size,
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sort: crud.sort,
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...crud.query,
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...crud.params
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}
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},
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// 当前页改变
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pageChangeHandler(e) {
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crud.page.page = e
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crud.refresh()
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},
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// 每页条数改变
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sizeChangeHandler(e) {
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crud.page.size = e
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crud.page.page = 1
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crud.refresh()
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},
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// 预防删除第二页最后一条数据时，或者多选删除第二页的数据时，页码错误导致请求无数据
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dleChangePage(size) {
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if (crud.data.length === size && crud.page.page !== 1) {
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crud.page.page -= 1
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}
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},
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// 选择改变
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selectionChangeHandler(val) {
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crud.selections = val
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},
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/**
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* 重置查询参数
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* @param {Boolean} toQuery 重置后进行查询操作
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*/
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resetQuery(toQuery = true) {
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const defaultQuery = JSON.parse(JSON.stringify(crud.defaultQuery))
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const query = crud.query
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Object.keys(query).forEach(key => {
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query[key] = defaultQuery[key]
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})
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if (toQuery) {
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crud.toQuery()
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}
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},
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/**
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* 重置表单
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* @param {Array} data 数据
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*/
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resetForm(data) {
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const form = data || (typeof crud.defaultForm === 'object' ? JSON.parse(JSON.stringify(crud.defaultForm)) : crud.defaultForm())
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const crudFrom = crud.form
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for (const key in form) {
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if (crudFrom.hasOwnProperty(key)) {
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crudFrom[key] = form[key]
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} else {
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Vue.set(crudFrom, key, form[key])
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}
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}
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},
|
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/**
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* 重置数据状态
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*/
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resetDataStatus() {
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const dataStatus = {}
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function resetStatus(datas) {
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datas.forEach(e => {
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dataStatus[crud.getDataId(e)] = {
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delete: 0,
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edit: 0
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}
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if (e.children) {
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resetStatus(e.children)
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}
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})
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}
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resetStatus(crud.data)
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crud.dataStatus = dataStatus
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},
|
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/**
|
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* 获取数据状态
|
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* @param {Number | String} id 数据项id
|
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*/
|
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getDataStatus(id) {
|
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return crud.dataStatus[id]
|
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},
|
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/**
|
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* 用于树形表格多选, 选中所有
|
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* @param selection
|
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*/
|
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selectAllChange(selection) {
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// 如果选中的数目与请求到的数目相同就选中子节点，否则就清空选中
|
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if (selection && selection.length === crud.data.length) {
|
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selection.forEach(val => {
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crud.selectChange(selection, val)
|
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})
|
||
} else {
|
||
crud.findVM('presenter').$refs['table'].clearSelection()
|
||
}
|
||
},
|
||
/**
|
||
* 用于树形表格多选，单选的封装
|
||
* @param selection
|
||
* @param row
|
||
*/
|
||
selectChange(selection, row) {
|
||
// 如果selection中存在row代表是选中，否则是取消选中
|
||
if (selection.find(val => { return this.getDataId(val) === this.getDataId(row) })) {
|
||
if (row.children) {
|
||
row.children.forEach(val => {
|
||
crud.findVM('presenter').$refs['table'].toggleRowSelection(val, true)
|
||
selection.push(val)
|
||
if (val.children) {
|
||
crud.selectChange(selection, val)
|
||
}
|
||
})
|
||
}
|
||
} else {
|
||
crud.toggleRowSelection(selection, row)
|
||
}
|
||
},
|
||
/**
|
||
* 切换选中状态
|
||
* @param selection
|
||
* @param data
|
||
*/
|
||
toggleRowSelection(selection, data) {
|
||
if (data.children) {
|
||
data.children.forEach(val => {
|
||
crud.findVM('presenter').$refs['table'].toggleRowSelection(val, false)
|
||
if (val.children) {
|
||
crud.toggleRowSelection(selection, val)
|
||
}
|
||
})
|
||
}
|
||
},
|
||
findVM(type) {
|
||
return crud.vms.find(vm => vm && vm.type === type).vm
|
||
},
|
||
notify(title, type = CRUD.NOTIFICATION_TYPE.INFO) {
|
||
crud.vms[0].vm.$notify({
|
||
title,
|
||
type,
|
||
duration: 2500
|
||
})
|
||
},
|
||
updateProp(name, value) {
|
||
Vue.set(crud.props, name, value)
|
||
},
|
||
getDataId(data) {
|
||
if (!data.hasOwnProperty(this.idField)) {
|
||
console.error('[CRUD error]: no property [%s] in %o', this.idField, data)
|
||
}
|
||
return data[this.idField]
|
||
}
|
||
}
|
||
const crud = Object.assign({}, data)
|
||
// 可观测化
|
||
Vue.observable(crud)
|
||
// 附加方法
|
||
Object.assign(crud, methods)
|
||
// 记录初始默认的查询参数，后续重置查询时使用
|
||
Object.assign(crud, {
|
||
defaultQuery: JSON.parse(JSON.stringify(data.query)),
|
||
// 预留4位存储：组件 主页、头部、分页、表单，调试查看也方便找
|
||
vms: Array(4),
|
||
/**
|
||
* 注册组件实例
|
||
* @param {String} type 类型
|
||
* @param {*} vm 组件实例
|
||
* @param {Number} index 该参数内部使用
|
||
*/
|
||
registerVM(type, vm, index = -1) {
|
||
const vmObj = {
|
||
type,
|
||
vm: vm
|
||
}
|
||
if (index < 0) {
|
||
this.vms.push(vmObj)
|
||
return
|
||
}
|
||
this.vms.length = Math.max(this.vms.length, index)
|
||
this.vms.splice(index, 1, vmObj)
|
||
},
|
||
/**
|
||
* 取消注册组件实例
|
||
* @param {*} vm 组件实例
|
||
*/
|
||
unregisterVM(vm) {
|
||
this.vms.splice(this.vms.findIndex(e => e && e.vm === vm), 1)
|
||
}
|
||
})
|
||
// 冻结处理，需要扩展数据的话，使用crud.updateProp(name, value)，以crud.props.name形式访问，这个是响应式的，可以做数据绑定
|
||
Object.freeze(crud)
|
||
return crud
|
||
}
|
||
|
||
// hook VM
|
||
function callVmHook(crud, hook) {
|
||
if (crud.debug) {
|
||
console.log('callVmHook: ' + hook)
|
||
}
|
||
const tagHook = crud.tag ? hook + '$' + crud.tag : null
|
||
let ret = true
|
||
const nargs = [crud]
|
||
for (let i = 2; i < arguments.length; ++i) {
|
||
nargs.push(arguments[i])
|
||
}
|
||
// 有些组件扮演了多个角色，调用钩子时，需要去重
|
||
const vmSet = new Set()
|
||
crud.vms.forEach(vm => vm && vmSet.add(vm.vm))
|
||
vmSet.forEach(vm => {
|
||
if (vm[hook]) {
|
||
ret = vm[hook].apply(vm, nargs) !== false && ret
|
||
}
|
||
if (tagHook && vm[tagHook]) {
|
||
ret = vm[tagHook].apply(vm, nargs) !== false && ret
|
||
}
|
||
})
|
||
return ret
|
||
}
|
||
|
||
function mergeOptions(src, opts) {
|
||
const optsRet = {
|
||
...src
|
||
}
|
||
for (const key in src) {
|
||
if (opts.hasOwnProperty(key)) {
|
||
optsRet[key] = opts[key]
|
||
}
|
||
}
|
||
return optsRet
|
||
}
|
||
|
||
/**
|
||
* 查找crud
|
||
* @param {*} vm
|
||
* @param {string} tag
|
||
*/
|
||
function lookupCrud(vm, tag) {
|
||
tag = tag || vm.$attrs['crud-tag'] || 'default'
|
||
// function lookupCrud(vm, tag) {
|
||
if (vm.$crud) {
|
||
const ret = vm.$crud[tag]
|
||
if (ret) {
|
||
return ret
|
||
}
|
||
}
|
||
return vm.$parent ? lookupCrud(vm.$parent, tag) : undefined
|
||
}
|
||
|
||
/**
|
||
* crud主页
|
||
*/
|
||
function presenter(crud) {
|
||
return {
|
||
beforeCreate() {
|
||
this.$crud = this.$crud || {}
|
||
if (this.$crud[crud.tag]) {
|
||
console.error('[CRUD error]: ' + 'crud with tag [' + crud.tag + ' is already exist')
|
||
}
|
||
this.$crud[crud.tag] = crud
|
||
this.crud = crud
|
||
crud.registerVM('presenter', this, 0)
|
||
},
|
||
data() {
|
||
return {
|
||
searchToggle: true
|
||
}
|
||
},
|
||
methods: {
|
||
parseTime
|
||
},
|
||
created() {
|
||
if (crud.queryOnPresenterCreated) {
|
||
crud.toQuery()
|
||
}
|
||
},
|
||
destroyed() {
|
||
crud.unregisterVM(this)
|
||
},
|
||
mounted() {
|
||
const columns = []
|
||
this.$refs.table.columns.forEach((e, index) => {
|
||
if (!e.property || e.type !== 'default') {
|
||
return
|
||
}
|
||
e.__index = index
|
||
columns.push({
|
||
property: e.property,
|
||
index,
|
||
label: e.label,
|
||
visible: true
|
||
})
|
||
})
|
||
this.crud.updateProp('tableColumns', columns)
|
||
this.crud.updateProp('table', this.$refs.table)
|
||
}
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 头部
|
||
*/
|
||
function header() {
|
||
return {
|
||
beforeCreate() {
|
||
this.crud = lookupCrud(this)
|
||
this.query = this.crud.query
|
||
this.crud.registerVM('header', this, 1)
|
||
},
|
||
destroyed() {
|
||
this.crud.unregisterVM(this)
|
||
}
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 分页
|
||
*/
|
||
function pagination() {
|
||
return {
|
||
beforeCreate() {
|
||
this.crud = lookupCrud(this)
|
||
this.page = this.crud.page
|
||
this.crud.registerVM('pagination', this, 2)
|
||
},
|
||
destroyed() {
|
||
this.crud.unregisterVM(this)
|
||
}
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 表单
|
||
*/
|
||
function form(defaultForm) {
|
||
return {
|
||
beforeCreate() {
|
||
this.crud = lookupCrud(this)
|
||
this.form = this.crud.form
|
||
this.crud.registerVM('form', this, 3)
|
||
},
|
||
created() {
|
||
this.crud.defaultForm = defaultForm
|
||
this.crud.resetForm()
|
||
},
|
||
destroyed() {
|
||
this.crud.unregisterVM(this)
|
||
}
|
||
}
|
||
}
|
||
|
||
/**
|
||
* crud
|
||
*/
|
||
function crud(options = {}) {
|
||
const defaultOptions = {
|
||
type: undefined
|
||
}
|
||
options = mergeOptions(defaultOptions, options)
|
||
return {
|
||
beforeCreate() {
|
||
this.crud = lookupCrud(this)
|
||
this.crud.registerVM(options.type, this)
|
||
},
|
||
destroyed() {
|
||
this.crud.unregisterVM(this)
|
||
}
|
||
}
|
||
}
|
||
|
||
/**
|
||
* CRUD钩子
|
||
*/
|
||
CRUD.HOOK = {
|
||
/** 刷新 - 之前 */
|
||
beforeRefresh: 'beforeCrudRefresh',
|
||
/** 刷新 - 之后 */
|
||
afterRefresh: 'afterCrudRefresh',
|
||
/** 删除 - 之前 */
|
||
beforeDelete: 'beforeCrudDelete',
|
||
/** 删除 - 之后 */
|
||
afterDelete: 'afterCrudDelete',
|
||
/** 删除取消 - 之前 */
|
||
beforeDeleteCancel: 'beforeCrudDeleteCancel',
|
||
/** 删除取消 - 之后 */
|
||
afterDeleteCancel: 'afterCrudDeleteCancel',
|
||
/** 新建 - 之前 */
|
||
beforeToAdd: 'beforeCrudToAdd',
|
||
/** 新建 - 之后 */
|
||
afterToAdd: 'afterCrudToAdd',
|
||
/** 编辑 - 之前 */
|
||
beforeToEdit: 'beforeCrudToEdit',
|
||
/** 编辑 - 之后 */
|
||
afterToEdit: 'afterCrudToEdit',
|
||
/** 开始 "新建/编辑" - 之前 */
|
||
beforeToCU: 'beforeCrudToCU',
|
||
/** 开始 "新建/编辑" - 之后 */
|
||
afterToCU: 'afterCrudToCU',
|
||
/** "新建/编辑" 验证 - 之前 */
|
||
beforeValidateCU: 'beforeCrudValidateCU',
|
||
/** "新建/编辑" 验证 - 之后 */
|
||
afterValidateCU: 'afterCrudValidateCU',
|
||
/** 添加取消 - 之前 */
|
||
beforeAddCancel: 'beforeCrudAddCancel',
|
||
/** 添加取消 - 之后 */
|
||
afterAddCancel: 'afterCrudAddCancel',
|
||
/** 编辑取消 - 之前 */
|
||
beforeEditCancel: 'beforeCrudEditCancel',
|
||
/** 编辑取消 - 之后 */
|
||
afterEditCancel: 'afterCrudEditCancel',
|
||
/** 提交 - 之前 */
|
||
beforeSubmit: 'beforeCrudSubmitCU',
|
||
/** 提交 - 之后 */
|
||
afterSubmit: 'afterCrudSubmitCU',
|
||
afterAddError: 'afterCrudAddError',
|
||
afterEditError: 'afterCrudEditError'
|
||
}
|
||
|
||
/**
|
||
* CRUD状态
|
||
*/
|
||
CRUD.STATUS = {
|
||
NORMAL: 0,
|
||
PREPARED: 1,
|
||
PROCESSING: 2
|
||
}
|
||
|
||
/**
|
||
* CRUD通知类型
|
||
*/
|
||
CRUD.NOTIFICATION_TYPE = {
|
||
SUCCESS: 'success',
|
||
WARNING: 'warning',
|
||
INFO: 'info',
|
||
ERROR: 'error'
|
||
}
|
||
|
||
export default CRUD
|
||
|
||
export {
|
||
presenter,
|
||
header,
|
||
form,
|
||
pagination,
|
||
crud
|
||
}
|