Local Storage Access. Mainly used for html5 game save export or import.
Tính đến
// ==UserScript==
// @name HTML5 Save Export Import
// @name:zh HTML5游戏存档导入导出
// @namespace http://tampermonkey.net/
// @version 0.7
// @description Local Storage Access. Mainly used for html5 game save export or import.
// @author devseed
// @match *://*/*
// @grant none
// ==/UserScript==
var YURI = YURI || {};
(function($$) {
"use strict";
var _saveFile = (name, content) => {
//console.log(name+" "+content);
var e = document.createEvent('MouseEvents');
var a = document.createElement('a');
var blob = new Blob([content], {type:'application/octet-stream'});
a.download = name;
a.href = window.URL.createObjectURL(blob);
a.dataset.downloadurl = ['application/octet-stream', a.download, a.href].join(':');
e.initMouseEvent('click', true, false, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null);
a.dispatchEvent(e);
}
var _requestFiles = (requestDone) => {
var i = document.createElement('input');
i.type = 'file';
i.addEventListener('change', () => {
requestDone(i.files);
});
i.click(); //can not open without user click
}
$$.storage = {
saveFile:function(path, content) {
_saveFile(path, content);
},
exportSave: function(isMerge) {
isMerge = isMerge || true
var key_value={};
if(arguments.length > 1){
for(var i=1;i<arguments.length;i++)
key_value[arguments[i]] = window.localStorage.getItem(arguments[i]);
}
else{
for(var i=0;i<window.localStorage.length;i++)
key_value[window.localStorage.key(i)] =
window.localStorage.getItem(window.localStorage.key(i));
}
if(isMerge){
var json = JSON.stringify(key_value);
_saveFile("saves.json", json);
} else{
for (var k in key_value){
if(key_value[k]!=null)
_saveFile(k.toString()+".sav", key_value[k]);
}
}
},
importSave: function() {
var requestDone = (files) => {
var file = files[0];
var reader = new FileReader();
reader.onload = (e) =>{
var text=e.target.result;
var key_value = {};
//console.log(text);
if(file.type == 'application/json'){
key_value = JSON.parse(text);
}else{
var key = file.name.split('.');
key = key.slice(0, key.length-1).join('.');
key_value[key] = text;
}
for(var key in key_value){
window.localStorage.setItem(key, key_value[key]);
}
}
reader.readAsText(file);
}
_requestFiles(requestDone);
},
}
})(YURI) //initial functions
var button_export = button_export ||
$('body').append('<input type="button" id="btn_export" value="Export saves" \
style="position relative;margin:0px 10px 0px 0px">')
.find('#btn_export');
console.log(button_export)
var button_import = button_import ||
$('body').append('<input type="button" id="btn_import" value="Import saves">')
.find('#btn_import');
button_export.click(()=>YURI.storage.exportSave())
button_import.click(()=>YURI.storage.importSave())