51 lines
		
	
	
	
		
			1.7 KiB
			
		
	
	
	
		
			HTML
		
	
	
	
	
	
		
		
			
		
	
	
			51 lines
		
	
	
	
		
			1.7 KiB
			
		
	
	
	
		
			HTML
		
	
	
	
	
	
|   | <html> | ||
|  | <body> | ||
|  | <script type="text/javascript" charset="utf-8"> | ||
|  |   const {ipcRenderer} = require('electron'); | ||
|  | 
 | ||
|  |   window.localStorage.setItem('test', 'hello localstorage'); | ||
|  |   ipcRenderer.on('get-localstorage', () => { | ||
|  |     const result = window.localStorage.getItem('test'); | ||
|  |     ipcRenderer.send('result-localstorage', result); | ||
|  |   }); | ||
|  | 
 | ||
|  |   const deleteRequest = window.indexedDB.deleteDatabase('testdb'); | ||
|  |   deleteRequest.onerror = deleteRequest.onsuccess = (event) => { | ||
|  |     const openRequest = window.indexedDB.open('testdb'); | ||
|  |     openRequest.onupgradeneeded = (event) => { | ||
|  |       const db = event.target.result; | ||
|  |       db.onerror = (event) => { | ||
|  |         console.error(event); | ||
|  |       }; | ||
|  |       const objectStore = db.createObjectStore('testdata'); | ||
|  |       objectStore.createIndex('test', ''); | ||
|  |     }; | ||
|  |     openRequest.onsuccess = (event) => { | ||
|  |       const db = event.target.result; | ||
|  |       const addRequest = db.transaction("testdata", "readwrite").objectStore("testdata").add("hello indexeddb", 'test'); | ||
|  |       addRequest.onsuccess = () => { | ||
|  |         ipcRenderer.send('indexeddb-ready'); | ||
|  |       }; | ||
|  |     }; | ||
|  |   }; | ||
|  |   ipcRenderer.on('get-indexeddb', () => { | ||
|  |     const openRequest = window.indexedDB.open('testdb'); | ||
|  |     openRequest.onerror = (event) => { | ||
|  |       console.error(event); | ||
|  |     }; | ||
|  |     openRequest.onsuccess = (event) => { | ||
|  |       const db = event.target.result; | ||
|  |       if (!db.objectStoreNames.contains('testdata')) { | ||
|  |         ipcRenderer.send('result-indexeddb', undefined); | ||
|  |         return; | ||
|  |       } | ||
|  |       const getRequest = db.transaction('testdata', 'readonly').objectStore('testdata').get('test'); | ||
|  |       getRequest.onsuccess = (event) => { | ||
|  |         ipcRenderer.send('result-indexeddb', event.target.result); | ||
|  |       }; | ||
|  |     }; | ||
|  |   }); | ||
|  | </script> | ||
|  | </body> | ||
|  | </html> |