修复AsyncStorage的错误用法

src/utils/auth.js

@@ -2,52 +2,52 @@
  * Created by yaohx_169 on 2017/6/8.
  */
 import { cookie } from './config';
-import { AsyncStorage } from 'react-native';
+import store from './store';
 
 export async function getToken() {
-  return AsyncStorage.getItem(cookie.token);
+  return store.getItem(cookie.token);
 }
 
 export async function setToken(token) {
-  return AsyncStorage.setItem(cookie.token, token);
+  return store.setItem(cookie.token, token);
 }
 
 export async function delToken() {
-  return AsyncStorage.removeItem(cookie.token);
+  return store.removeItem(cookie.token);
 }
 
 export async function getUser() {
   return {
-    id: await AsyncStorage.getItem(cookie.userId),
-    name: await AsyncStorage.getItem(cookie.userName),
+    id: await store.getItem(cookie.userId),
+    name: await store.getItem(cookie.userName),
   };
 }
 
 export async function setUser(id, name) {
-  await AsyncStorage.setItem(cookie.userId, id);
-  await AsyncStorage.setItem(cookie.userName, name);
+  await store.setItem(cookie.userId, id);
+  await store.setItem(cookie.userName, name);
 }
 
 export async function delUser() {
-  await AsyncStorage.removeItem(cookie.userId);
-  await AsyncStorage.removeItem(cookie.userName);
+  await store.removeItem(cookie.userId);
+  await store.removeItem(cookie.userName);
 }
 
 export async function getDomain() {
   return {
-    name: await AsyncStorage.getItem(cookie.domainName),
-    path: await AsyncStorage.getItem(cookie.domainPath),
+    name: await store.getItem(cookie.domainName),
+    path: await store.getItem(cookie.domainPath),
   };
 }
 
 export async function setDomain(name, path) {
-  await AsyncStorage.setItem(cookie.domainName, name);
-  await AsyncStorage.setItem(cookie.domainPath, path);
+  await store.setItem(cookie.domainName, name);
+  await store.setItem(cookie.domainPath, path);
 }
 
 export async function delDomain() {
-  await AsyncStorage.removeItem(cookie.domainName);
-  await AsyncStorage.removeItem(cookie.domainPath);
+  await store.removeItem(cookie.domainName);
+  await store.removeItem(cookie.domainPath);
 }
 
 export async function isAuthed() {

src/utils/store.js

+import { AsyncStorage } from 'react-native';
+
+export default {
+  async getItem(key) {
+    const item = await AsyncStorage.getItem(key);
+    if (item) {
+      return JSON.parse(item);
+    } else {
+      return null;
+    }
+  },
+  async setItem(key, value) {
+    const item = JSON.stringify(value);
+    return await AsyncStorage.setItem(key, item);
+  },
+  async delItem(key) {
+    return AsyncStorage.removeItem(key);
+  },
+}
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