55 líneas
1.4 KiB
JavaScript
55 líneas
1.4 KiB
JavaScript
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const DRAWING_ITEMS = 'drawingItems'
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const DRAWING_ITEMS_VERSION = '1.2'
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const DRAWING_ITEMS_VERSION_KEY = 'DRAWING_ITEMS_VERSION'
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const DRAWING_ID = 'idGlobal'
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const TREE_NODE_ID = 'treeNodeId'
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const FORM_CONF = 'formConf'
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export function getDrawingList() {
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// 加入缓存版本的概念，保证缓存数据与程序匹配
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const version = localStorage.getItem(DRAWING_ITEMS_VERSION_KEY)
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if (version !== DRAWING_ITEMS_VERSION) {
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localStorage.setItem(DRAWING_ITEMS_VERSION_KEY, DRAWING_ITEMS_VERSION)
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saveDrawingList([])
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return null
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}
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const str = localStorage.getItem(DRAWING_ITEMS)
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if (str) return JSON.parse(str)
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return null
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}
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export function saveDrawingList(list) {
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localStorage.setItem(DRAWING_ITEMS, JSON.stringify(list))
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}
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export function getIdGlobal() {
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const str = localStorage.getItem(DRAWING_ID)
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if (str) return parseInt(str, 10)
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return 100
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}
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export function saveIdGlobal(id) {
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localStorage.setItem(DRAWING_ID, `${id}`)
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}
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export function getTreeNodeId() {
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const str = localStorage.getItem(TREE_NODE_ID)
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if (str) return parseInt(str, 10)
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return 100
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}
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export function saveTreeNodeId(id) {
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localStorage.setItem(TREE_NODE_ID, `${id}`)
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}
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export function getFormConf() {
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const str = localStorage.getItem(FORM_CONF)
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if (str) return JSON.parse(str)
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return null
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}
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export function saveFormConf(obj) {
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localStorage.setItem(FORM_CONF, JSON.stringify(obj))
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}
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