refactor: 存储优化

Former-commit-id: 6a051fac3c80be339c1eb01780e12334ad888551

src/utils/sessionStorage.ts

@@ -0,0 +1,22 @@
+/**
+ * window.sessionStorage 浏览器临时缓存
+ */
+export const sessionStorage = {
+  // 设置临时缓存
+  set(key: string, val: any) {
+    window.sessionStorage.setItem(key, JSON.stringify(val));
+  },
+  // 获取临时缓存
+  get(key: string) {
+    const json: any = window.sessionStorage.getItem(key);
+    return JSON.parse(json);
+  },
+  // 移除临时缓存
+  remove(key: string) {
+    window.sessionStorage.removeItem(key);
+  },
+  // 移除全部临时缓存
+  clear() {
+    window.sessionStorage.clear();
+  }
+};