提取

src/utils/storage.ts

@@ -3,6 +3,7 @@ const userKey = 'user-key';
 const areaCodeKey = 'area-code-key';
 const mineListKey = 'mine-list-key';
 const coinsKey = 'coin-key';
+const drawCoinsKey = 'draw-coin-key';
 
 // user info from now on
 function storeUser(user: any = undefined) {
@@ -72,6 +73,23 @@ function clearCoins() {
   localStorage.removeItem(coinsKey);
 }
 
+// coin list info of draw page from now on
+function storeDrawCoins(coins: any) {
+  localStorage.setItem(drawCoinsKey, JSON.stringify(coins));
+}
+
+function loadDrawCoins() {
+  try {
+    return JSON.parse(localStorage.getItem(drawCoinsKey) || 'null');
+  } catch (e) {
+    return null;
+  }
+}
+
+function clearDrawCoins() {
+  localStorage.removeItem(drawCoinsKey);
+}
+
 export {
   storeUser,
   loadUser,
@@ -87,4 +105,8 @@ export {
   storeCoins,
   loadCoins,
   clearCoins,
+
+  storeDrawCoins,
+  loadDrawCoins,
+  clearDrawCoins,
 }