This topic describes the JavaScript APIs of WVStorage. You can refer to this topic when you create HTML5 apps or Miniapps. The JavaScript APIs of WVStorage provide data caching-related capabilities, such as adding a cache, deleting a cache, and clearing a cache.
WVStorage.setItem
This API is available only in WindVane Android 1.0.3.4 or later, WindVane iOS 2.1.4 or later.
Stores data in a specified key in the local cache.
Input parameters
[
string]key: the specified key in the cache.[
string]value: the value of the key.
Callback parameters
Parameters for the success callback:
No callback parameters exist.
Parameters for the failure callback:
[
string]msg: the error message.
var params = {
key: 'key',
value: 'value'
};
window.WindVane.call('WVStorage', 'setItem', params, function(e) {
}, function(e) {
alert('failure: ' + JSON.stringify(e));
});WVStorage.getItem
This API is available only in WindVane Android 1.0.3.4 or later, WindVane iOS 2.1.4 or later.
Obtains the cached data for the specified key.
Input parameters
[
string]key: the specified key.
Callback parameters
Parameters for the success callback:
[
string]data: the content corresponding to the key.
Parameters for the failure callback:
[
string]msg: the error message.
var params = {
key: 'key'
};
window.WindVane.call('WVStorage', 'getItem', params, function(e) {
alert('success: ' + JSON.stringify(e));
}, function(e) {
alert('failure: ' + JSON.stringify(e));
});WVStorage.removeItem
This API is available only in WindVane Android 1.0.3.4 or later, WindVane iOS 2.1.4 or later.
Deletes the cached data of the specified key.
Input parameters
[
string]key: the specified key.
Callback parameters
Parameters for the success callback:
No callback parameters exist.
Parameters for the failure callback:
[
string]msg: the error message.
var params = {
key: 'key'
};
window.WindVane.call('WVStorage', 'removeItem', params, function(e) {
}, function(e) {
alert('failure: ' + JSON.stringify(e));
});WVStorage.clearStorage
This API is available only in WindVane Android 1.0.3.4 or later, WindVane iOS 2.1.4 or later.
Asynchronously clears the locally cached data.
Input parameters
No input parameters exist.
Callback parameters
Parameters for the success callback:
No callback parameters exist.
Parameters for the failure callback:
[
string]msg: the error message.
window.WindVane.call('WVStorage', 'clearStorage', {}, function(e) {
}, function(e) {
alert('failure: ' + JSON.stringify(e));
});WVStorage.clearStorageSync
This API is available only in WindVane Android 1.0.3.4 or later, WindVane iOS 2.1.4 or later.
Synchronously clears the locally cached data.
Input parameters
No input parameters exist.
Callback parameters
Parameters for the success callback:
No callback parameters exist.
Parameters for the failure callback:
[
string]msg: the error message.
window.WindVane.call('WVStorage', 'clearStorageSync', {}, function(e) {
}, function(e) {
alert('failure: ' + JSON.stringify(e));
});