U3d web h5 db 内容查询

 

function TestDB() {
var request = window.indexedDB.open("/idbfs");
request.onsuccess = function (event) {
var db = request.result;
console.log('数据库打开成功');

var objectStore = db.transaction('FILE_DATA').objectStore('FILE_DATA');
objectStore.openCursor().onsuccess = function (event) {
var cursor = event.target.result;
if (cursor) {
console.log('key: ' + cursor.key);
console.log('mode: ' + cursor.value.mode);
if(cursor.value.contents){
console.log('contents: ' + Uint8ArrayToString(cursor.value.contents));
}
cursor.continue();
} else {
console.log('没有更多数据了！');
}
};
};
}

function Uint8ArrayToString(fileData){
var dataString = "";
for (var i = 0; i < fileData.length; i++) {
dataString += String.fromCharCode(fileData[i]);
}
return dataString
}