1、wx.getStorage(OBJECT)从本地缓存中异步获取指定 key 对应的内容view plaincopywx.getStorage({key:'key',success:function(res){console.log(res.data)},fail:function(){},complete:function(){}})2、wx.setSto ...
从本地缓存中异步获取指定 key 对应的内容
[javascript] view plain copy
wx.getStorage({
key: 'key',
success: function(res) {
console.log(res.data)
} ,
fail: function(){},
complete: function(){}
})
将 data 存储在本地缓存中指定的 key 中,会覆盖掉原来该 key 对应的内容,这是一个同步接口
[javascript] view plain copy
try {
wx.setStorageSync('key', 'value')
} catch (e) {
}
从本地缓存中异步获取指定 key 对应的内容
[javascript] view plain copy
wx.getStorage({
key: 'key',
success: function(res) {
console.log(res.data)
},
fail: function(){},
complete: function(){}
})
从本地缓存中同步获取指定 key 对应的内容
[javascript] view plain copy
try {
var value = wx.getStorageSync('key')
if (value) {
// Do something with return value
}
} catch (e) {
// Do something when catch error
}
异步获取当前storage的相关信息
[javascript] view plain copy
wx.getStorageInfo({
success: function(res) {
console.log(res.keys)
console.log(res.currentSize)
console.log(res.limitSize)
},
fail: function(){},
complete: function(){}
})
同步获取当前storage的相关信息
[javascript] view plain copy
try {
var res = wx.getStorageInfoSync()
console.log(res.keys)
console.log(res.currentSize)
console.log(res.limitSize)
} catch (e) {
// Do something when catch error
}
从本地缓存中异步移除指定 key
[javascript] view plain copy
wx.removeStorage({
key: 'key',
success: function(res) {
console.log(res.data)
},
fail: function(){},
complete: function(){}
})
从本地缓存中同步移除指定 key
[javascript] view plain copy
try {
wx.removeStorageSync('key')
} catch (e) {
// Do something when catch error
}
清理本地数据缓存
[javascript] view plain copy
wx.clearStorage()
10、wx.clearStorageSync()
同步清理本地数据缓存
[javascript] view plain copy
try {
wx.clearStorageSync()
} catch(e) {
// Do something when catch error
}
本地数据缓存大小限制为10MB。