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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title></title> | |
| <script> | |
| var db_name = "chequer", db_version = 1; | |
| var idb = (function(){ | |
| var indexedDB = window.indexedDB || window.webkitIndexedDB || window.mozIndexedDB || window.msIndexedDB, | |
| IDBTransaction = window.IDBTransaction || window.webkitIDBTransaction, | |
| open_try_time = 3; | |
| /* | |
| indexedDB.deleteDatabase("MyTestDatabase"); | |
| indexedDB.deleteDatabase("PeopleDB"); | |
| indexedDB.deleteDatabase("TestDatabase"); | |
| indexedDB.deleteDatabase("chequer-test"); | |
| indexedDB.deleteDatabase("myTestIDB"); | |
| */ | |
| //indexedDB.deleteDatabase("chequer"); | |
| function open(db_name, db_version, callback){ | |
| var _this = this, request = window.indexedDB.open(db_name, db_version); | |
| request.onsuccess = function(evt){ | |
| _this.db = request.result; | |
| if(callback) callback.call({}, request.result); | |
| }; | |
| request.onerror = function (evt) { | |
| console.log("IndexedDB error: " + evt.target.errorCode); | |
| }; | |
| request.onupgradeneeded = function (evt) { | |
| _this.db = event.target.result; | |
| //-- create master | |
| for(var i=_this.db.objectStoreNames.length-1;i>-1;i--){ | |
| _this.db.deleteObjectStore(_this.db.objectStoreNames[i]); | |
| } | |
| var | |
| objectStore = _this.db.createObjectStore("master", { keyPath: "key" }); | |
| objectStore.createIndex("value", "value", { unique: false }); | |
| objectStore = _this.db.createObjectStore("sales", { keyPath: "id", autoIncrement:true }); | |
| objectStore.createIndex("date", "date", { unique: false }); | |
| objectStore.createIndex("desc", "desc", { unique: false }); | |
| objectStore.createIndex("cost", "cost", { unique: false }); | |
| }; | |
| } | |
| function exec(store_name, act, item, callback, try_time){ | |
| if(!this.db){ | |
| if(typeof try_time === "undefined" || try_time < open_try_time){ | |
| setTimeout((function(){ | |
| this.exec(store_name, act, item, callback, (try_time||0)+1); | |
| }).bind(this), 100); | |
| } | |
| return false; | |
| } | |
| var transaction = this.db.transaction(store_name, "readwrite"); | |
| // create an object store on the transaction | |
| var objectStore = transaction.objectStore(store_name); | |
| if(act == "add"){ | |
| // add our newItem object to the object store | |
| var objectStoreRequest = objectStore.add(item.data); | |
| objectStoreRequest.onsuccess = function(event) { | |
| if(callback) callback.call({}, {}); | |
| }; | |
| objectStoreRequest.onerror = function(event) { | |
| if(callback) callback.call({error:this.error}, {error:this.error}); | |
| }; | |
| } | |
| else if(act == "put"){ | |
| objectStoreRequest = objectStore.get(item.get); | |
| objectStoreRequest.onsuccess = function() { | |
| // Grab the data object returned as the result | |
| var data = objectStoreRequest.result; | |
| // Update the notified value in the object to "yes" | |
| data[item.set] = item.data; | |
| // Create another request that inserts the item back into the database | |
| var updateTitleRequest = objectStore.put(data); | |
| // When this new request succeeds, run the displayData() function again to update the display | |
| updateTitleRequest.onsuccess = function() { | |
| if(callback) callback.call({}, {}); | |
| }; | |
| updateTitleRequest.onerror = function() { | |
| if(callback) callback.call({error:this.error}, {error:this.error}); | |
| }; | |
| }; | |
| } | |
| else if(act == "delete"){ | |
| objectStoreRequest = objectStore.delete(item.get); | |
| objectStoreRequest.onsuccess = function(event) { | |
| if(callback) callback.call({}, {}); | |
| }; | |
| objectStoreRequest.onerror = function(event) { | |
| if(callback) callback.call({error:this.error}, {error:this.error}); | |
| }; | |
| } | |
| else if(act == "get"){ | |
| objectStoreRequest = objectStore.get(item.get); | |
| objectStoreRequest.onsuccess = function(event) { | |
| if(callback) callback.call(objectStoreRequest.result, objectStoreRequest.result); | |
| }; | |
| objectStoreRequest.onerror = function(event) { | |
| if(callback) callback.call({error:this.error}, {error:this.error}); | |
| }; | |
| } | |
| } | |
| return { | |
| db: null, | |
| open: open, | |
| exec: exec | |
| } | |
| })(); | |
| idb.open(db_name, db_version, function(){ | |
| //-- get storeNames | |
| for(var i=0, l=idb.db.objectStoreNames.length;i<l;i++){ | |
| // console.log(idb.db.objectStoreNames.item(i)); | |
| } | |
| }); | |
| function add_master(){ | |
| var item = {key:"system", value:{a:1,b:2}}; | |
| idb.exec("master", "add", {data:item}, function(result){ | |
| if(result && result.error){ | |
| console.error(result.error.message); | |
| } | |
| }); | |
| idb.exec("master", "add", {data:{key:"store", value:"체커"}}, function(result){ | |
| if(result && result.error){ | |
| console.error(result.error.message); | |
| } | |
| }); | |
| } | |
| function put_master() { | |
| var item = {key: "system", value: {a: 99, b: 88}}; | |
| idb.exec("master", "put", {get: item.key, set: "value", data: item.value}, function (result) { | |
| if (result && result.error) { | |
| console.error(result.error.message); | |
| } | |
| }); | |
| } | |
| function delete_master() { | |
| idb.exec("master", "delete", {get: "store"}, function (result) { | |
| if (result && result.error) { | |
| console.error(result.error.message); | |
| } | |
| }); | |
| } | |
| function get_master() { | |
| idb.exec("master", "get", {get: "store"}, function (result) { | |
| if (result && result.error) { | |
| console.error(result.error.message); | |
| return; | |
| } | |
| console.log(result); | |
| }); | |
| idb.exec("master", "get", {get: "1122"}, function (result) { | |
| if (result && result.error) { | |
| console.error(result.error.message); | |
| return; | |
| } | |
| console.log(result); | |
| }); | |
| } | |
| </script> | |
| </head> | |
| <body> | |
| <button onclick="add_master();">add master</button> | |
| <button onclick="put_master();">put master</button> | |
| <button onclick="delete_master();">delete master</button> | |
| <button onclick="get_master();">get master</button> | |
| </body> | |
| </html> |
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