init

xhs-mini-demos/api-case/storage/storage.js

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+const __templateJs = require("./templates.js");
+const __mergePageOptions = require("../../util/mergePageOptions.js");
+Page(__mergePageOptions({
+  onShareAppMessage() {
+    return {
+      title: '同步存储',
+      path: 'packageAPI/pages/storage/storage'
+    };
+  },
+  data: {
+    key: '',
+    data: '',
+    title: '',
+    content: ''
+  },
+  keyChange(e) {
+    this.setData({
+      key: e.detail.value
+    });
+  },
+  dataChange(e) {
+    this.setData({
+      data: e.detail.value
+    });
+  },
+  getStorage() {
+    const {
+      key,
+      data
+    } = this.data;
+    let storageData;
+    this.setData({
+      title: '读取数中...',
+      content: ''
+    });
+    if (key.length === 0) {
+      this.setData({
+        key,
+        data
+      });
+      this.setData({
+        title: '读取数据失败',
+        content: 'key 不能为空'
+      });
+    } else {
+      storageData = xhs.getStorageSync(key);
+      if (typeof storageData === 'object') storageData = JSON.stringify(storageData);
+      if (storageData === '') {
+        this.setData({
+          key,
+          data: storageData
+        });
+        this.setData({
+          title: '读取数据失败',
+          content: '找不到 key 对应的数据'
+        });
+      } else {
+        this.setData({
+          key,
+          data: storageData
+        });
+        this.setData({
+          title: '读取数据成功',
+          content: `key为: ${key} data 数据为: ${storageData}`
+        });
+      }
+    }
+  },
+  setStorage() {
+    const {
+      key,
+      data
+    } = this.data;
+    this.setData({
+      title: '存储中...',
+      content: ''
+    });
+    if (key.length === 0) {
+      this.setData({
+        key,
+        data
+      });
+      this.setData({
+        title: '保存数据失败',
+        content: 'key 不能为空'
+      });
+    } else {
+      xhs.setStorageSync(key, data);
+      this.setData({
+        key,
+        data
+      });
+      this.setData({
+        title: '存储数据成功',
+        content: `key: ${key}, data: ${data}`
+      });
+    }
+  },
+  setStorageObject() {
+    const {
+      key,
+      data
+    } = this.data;
+    this.setData({
+      title: '存储中...',
+      content: ''
+    });
+    if (key.length === 0) {
+      this.setData({
+        key,
+        data
+      });
+      this.setData({
+        title: '保存数据失败',
+        content: 'key 不能为空'
+      });
+    } else {
+      xhs.setStorageSync(key, {
+        age: 20
+      });
+      this.setData({
+        key,
+        data: JSON.stringify({
+          age: 20
+        })
+      });
+      this.setData({
+        title: '存储数据成功',
+        content: `key: ${key}, data: ${data}`
+      });
+    }
+  },
+  clearStorageByKey() {
+    const key = this.data.key;
+    this.setData({
+      key: '',
+      data: ''
+    });
+    this.setData({
+      title: `key ${key} 清除中...`,
+      content: ''
+    });
+    const res = xhs.removeStorageSync(key);
+    console.warn('lemon: 数据清理成功', res);
+    this.setData({
+      key: '',
+      data: ''
+    });
+    this.setData({
+      title: `key ${key} 清除数据成功`,
+      content: ''
+    });
+  },
+  getStorageInfo() {
+    this.setData({
+      key: '',
+      data: ''
+    });
+    this.setData({
+      title: 'storageInfo 获取中...',
+      content: ''
+    });
+    const result = xhs.getStorageInfoSync();
+    console.warn('lemon 获取数据：', result);
+    this.setData({
+      title: 'storageInfo获取成功',
+      content: `数据为: ${JSON.stringify(result)}`
+    });
+  },
+  clearStorage() {
+    this.setData({
+      key: '',
+      data: ''
+    });
+    this.setData({
+      title: '清除中...',
+      content: ''
+    });
+    xhs.clearStorageSync();
+    this.setData({
+      key: '',
+      data: ''
+    });
+    this.setData({
+      title: '清除数据成功',
+      content: ''
+    });
+  }
+}, __templateJs));