将json保存到chrome存储/本地存储
答
更新
var local = (function(){
var setData = function(key,obj){
var values = JSON.stringify(obj);
localStorage.setItem(key,values);
}
var getData = function(key){
if(localStorage.getItem(key) != null){
return JSON.parse(localStorage.getItem(key));
}else{
return false;
}
}
var updateDate = function(key,newData){
if(localStorage.getItem(key) != null){
var oldData = JSON.parse(localStorage.getItem(key));
for(keyObj in newData){
oldData[keyObj] = newData[keyObj];
}
var values = JSON.stringify(oldData);
localStorage.setItem(key,values);
}else{
return false;
}
}
return {set:setData,get:getData,update:updateDate}
})();
你怎么用?
当你想设置一个值:当你想要得到的值
var a = {'test':123};
local.set('valueA',a);
:当你想更新的值或插入
var a = local.get('valueA')
一个新
var b = {'test':333,'test2':555};
local.set('valueA',b);
答
// Object to store
var person = {
'name': 'Dan',
'age': 20,
id: 7644
};
var value = JSON.stringify(person);
var key = person.id;
// Set person object into storage
localStorage.setItem(key, value);
// Get person object from storage
var personFromStorage = localStorage.getItem(key);
personFromStorage = JSON.parse(personFromStorage);
alert(personFromStorage.name);
可能的重复:http://*.com/questions/2010892/storing-objects-in-html5-localstorage – metame
基本上,你只能在HTML5 localstorage – metame
https:// developer中存储键/值字符串。 chrome.com/extensions/storage –