如果异常类型是TApplicationException,并且异常原因是missing_result,那么可以返回null。否则,应该继续向上...
* @param {*} key 读取数据的key * @returns */ getItem(storageType, key) { // 如果storageType字段不合法,直接返回空 if (!['sessionStorage', 'localStorage'].includes(storageType)) { return null; } const storeData = window[storageType].getItem(key); // 如果根据key没有找到数据,直接返回空...
* @param key 键 * @returns {null|*} 对应键的值*/self.get=function(key) { key= prefix +key;varval =localStorage.getItem(key);if(!val) {returnnull; } val=JSON.parse(val);if(val.expires <newDate().getTime()) { localStorage.removeItem(key);returnnull; }returnval.val; };returnsel...
* @returns {null}*/functionlStorage_get(key) {vardata =localStorage.getItem(key);if(data ==null){returnnull; }vartimestamp =newDate().getTime();vardataObj =JSON.parse(data);if(timestamp <dataObj.exp){returndataObj.data; }else{ localStorage.removeItem(key);returnnull; } } /** * ...
|| JSON.stringify(window[config.type].getItem(key)) === 'null'){ return null; } ...
* @returns {null|*} 对应键的值 */ self.get=function(key) { key=prefix+key; varval=localStorage.getItem(key); if(!val) { returnnull; } val=JSON.parse(val); if(val.expires<newDate().getTime()) { localStorage.removeItem(key); ...
*/getItem(name){letitem=this.memory.getItem(name);if(!item||item=='null'||item=='undefined'){return;}//先将拿到的试着进行json转为对象的形式try{item=JSON.parse(item);}catch(error){//如果不行就不是json的字符串,就直接返回item=item;}//如果有startTime的值,说明设置了失效时间if(item.sta...
sessionStorage.setItem('make', 'Ford'); /* Returns null if it cannot find the item in sessionStorage. */ if(sessionStorage.getItem('make')) { /* Session storage set successfully. */ } else { /* Session storage did not set successfully. */ } 原文由 War10ck 发布,翻译遵循 CC BY-SA...
window.addEventListener('setItem',()=>{this.newVal=sessionStorage.getItem('watchStorage');vardata=JSON.parse(this.newVal)console.log(data) }) AI代码助手复制代码 上述就是小编为大家分享的怎么在vue项目中监听localStorage与sessionStorage的变化了,如果刚好有类似的疑惑,不妨参照上述分析进行理解。如果想知道更...
getItem(key) if (item === null) return // no value in localStorage const { time, value } = JSON.parse(item) if (time + timeout * 1000 < Date.now()) return // value has expired return value }, set(value) { localStorage.setItem(key, JSON.stringify({ time: Date.now(), value ...