From 1521ce6c4334f30dbfba0ec0228cd236681f61cb Mon Sep 17 00:00:00 2001
From: Tevin <tingquanren@163.com>
Date: Wed, 24 Nov 2021 10:12:53 +0800
Subject: [PATCH] 本地存储改进版，转移到公共模块
---
common/LocalStorage.js | 64 ++++++++++++++++++++++++++++++++
1 files changed, 64 insertions(+), 0 deletions(-)
diff --git a/common/LocalStorage.js b/common/LocalStorage.js
new file mode 100644
index 0000000..b1eb5a0
--- /dev/null
+++ b/common/LocalStorage.js
@@ -0,0 +1,64 @@
+/**
+ * LocalStorage - 混合App模式，本地存储同步工具
+ * 用于区分不同开发环境读取不同数据
+ * @author Tevin
+ */
+
+import Taro from '@tarojs/taro';
+
+export class LocalStorage {
+ constructor() {
+ this._data = {
+ prefixType: '',
+ };
+ }
+
+ // 初始化
+ initial(prefixType) {
+ this._data.prefixType = prefixType;
+ }
+
+ load(key) {
+ const name = 'AiSim.' + this._data.prefixType + '@' + key;
+ return JSON.parse(Taro.getStorageSync(name) || '{}');
+ }
+
+ save(key, value) {
+ if (typeof value !== 'object') {
+ throw new Error('LocalStorage save 方法，value 只接收 Object ！');
+ }
+ const name = 'AiSim.' + this._data.prefixType + '@' + key;
+ Taro.setStorageSync(name, JSON.stringify(value || {}));
+ }
+
+ remove(key) {
+ const name = 'AiSim.' + this._data.prefixType + '@' + key;
+ Taro.removeStorageSync(name);
+ }
+
+ getKeys() {
+ const info = Taro.getStorageInfoSync();
+ const keys = [];
+ const prefix = 'AiSim.' + this._data.prefixType + '@';
+ info.keys.forEach(storageKey => {
+ if (storageKey.indexOf(prefix) === 0) {
+ const keyName = storageKey.split('@')[1];
+ keys.push(keyName);
+ }
+ });
+ return keys;
+ }
+
+ searchKey(key) {
+ const matches = [];
+ this.getKeys().forEach(keyName => {
+ if (keyName.indexOf(key) >= 0) {
+ matches.push(keyName);
+ }
+ });
+ return matches;
+ }
+
+}
+
+export const $localStorage = new LocalStorage();
\ No newline at end of file
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