angular.module('indexdb', [])    .factory('indexDbJs', [function() {        const CurDBVersion = 10000;        window.indexedDB = window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB;        window.IDBTransaction = window.IDBTransaction || window.webkitIDBTransaction || window.msIDBTransaction;        window.IDBKeyRange = window.IDBKeyRange || window.webkitIDBKeyRange || window.msIDBKeyRange;        window.IDBCursor = window.IDBCursor || window.webkitIDBCursor || window.msIDBCursor;        var db = {            dbName: 'macImDb',            obj: {},            dbInstance: {},            errorHandler: function(error) {                // console.log('error: ' + error.target.error.message);            },            // 打开数据库，没有则自动创建            open: function(func, fail) {                // var version = db.getdbVeision();                if(db.dbName.indexOf('_')<0) {                    console.error(db.dbName);                    debugger;                }                var dbContent = window.indexedDB.open(db.dbName);                // dbContent.onupgradeneeded = db.upgrade;                // dbContent.onerror = db.errorHandler;                dbContent.onsuccess = function(e) {                    // console.log('打开成功');                    var _db = e.target.result;                    db.dbInstance = dbContent.result;                    db.dbInstance.onerror = function() {                    };                    func();                    _db.close();                };                dbContent.onerror = function(e) {                    var _db = e.target.result;                    // console.log('打开不成功');                    _db.close();                };                dbContent.onupgradeneeded = function(e) {                    // console.log('更新');                    var _db = e.target.result;                    _db.close();                };                dbContent.onblocked = (e)=>{                  console.log("onblocked");                };            },            // 关闭数据库            closeDB: function(db) {                db.close();            },            // 创建数据表            createStore: function(storeInfo, indexInfo, callback) {                var count = 0;                db.obj.stname = storeInfo.stname;                db.obj.indexInfo = indexInfo;                //创建数据库                //var version = db.getdbVeision() + 1;                // console.log(version);                // var req = window.indexedDB.open(db.dbName);                // req.onsuccess = function(e) {
                    // var version = e.target.result.version;                var dbContent = window.indexedDB.open(db.dbName, CurDBVersion);                // 判断数据库版本号是否更新``                // dbContent.onupgradeneeded = db.upgrade;                dbContent.onupgradeneeded = function(e) {                    // console.log('更新了');                    var _db = e.target.result,                        names = _db.objectStoreNames;                    // 此处可以创建多个表                    // var name = db.obj.stname;                    var name = storeInfo.stname;                    if (!names.contains(name)) {                        // console.log('chuagnjian');                        var store = _db.createObjectStore(                            db.obj.stname, {                                keyPath: 'id',                                autoIncrement: true                            });                        // 如果创建数据表时传过来的索引信息不为空则创建索引                        if (db.obj.indexInfo && db.obj.indexInfo.length !== 0) {                            for (var i = 0; i < db.obj.indexInfo.length; i++) {                                var req = store.createIndex(db.obj.indexInfo[i].indexName, db.obj.indexInfo[i].index, { unique: false });                                req.onsuccess = function() {                                    count++;                                    if (count >= indexInfo.length) {                                        callback(true);                                        _db.close();                                    }                                };                            }                        } else {                            callback(true);                            _db.close();                        }                    } else {                        callback(true);                        _db.close();                    }                },                    // 创建数据库成功事件                    dbContent.onsuccess = function(e) {                        var _db = e.target.result;                        // console.log('创建成功');                        db.dbInstance = dbContent.result;                        callback(true);                        _db.close();                    },                    // 创建数据库成功事件                    dbContent.onerror = function() {                        // var _db = e.target.result;                        // console.log('创建失败');                        // callback(false);                        // _db.close();                        // console.log(333);                    };                    // }            },            /**             * 设置数据库名称             * @param dbname 数据库名称             */            setDbName: function(dbname){                db.dbName = dbname;            },            /**             * 创建数据库和表             * @param storeInfo 表             * @param indexInfo 索引             * @param callback 回调             * @constructor             */            CreateStores: function(storeInfo, indexInfo, callback) {                // db.obj.stname = storeInfo.stname;                db.obj.indexInfo = indexInfo;                var count = 0;                //创建数据库                //var version = db.getdbVeision();                // console.log(version);                // var req = window.indexedDB.open(db.dbName);                // req.onsuccess = function(e) {
                    // var version = e.target.result.version;                var dbContent = window.indexedDB.open(db.dbName, CurDBVersion);                // console.log(dbContent.getVesdion)                // 判断数据库版本号是否更新``                // dbContent.onupgradeneeded = db.upgrade;                dbContent.onupgradeneeded = function(e) {                    // console.log('更新了');                    var _db = e.target.result,                        names = _db.objectStoreNames;                    // 此处可以创建多个表                    // var arr = ['dtt1', 'dttt2', 'dttt3'];                    for (var i = 0; i < storeInfo.length; i++) {                        var name = storeInfo[i].stname;                        if (!names.contains(name)) {                            var store = _db.createObjectStore(                                name, {                                    keyPath: 'id',                                    autoIncrement: true                                });                            // 如果创建数据表时传过来的索引信息不为空则创建索引                            if (db.obj.indexInfo[i] && db.obj.indexInfo[i].length !== 0) {                                for (var j = 0; j < db.obj.indexInfo[i].length; j++) {                                    store.createIndex(db.obj.indexInfo[i][j].indexName, db.obj.indexInfo[i][j].index, { unique: false });                                }                                count++;                            }                        } else {                            // callback(true);                            // db.closeDB('macImDb');                            //检测是否有索引更新的                            var store = dbContent.transaction.objectStore(name);                            for (var j = 0; j < db.obj.indexInfo[i].length; j++) {                                if (!store.indexNames.contains(db.obj.indexInfo[i][j].indexName))                                {                                    store.createIndex(db.obj.indexInfo[i][j].indexName, db.obj.indexInfo[i][j].index, {unique: false});                                }                            }                        }                    }                    if (count >= storeInfo.length) {                        callback(true);                    }                    },                    // 创建数据库成功事件                    dbContent.onsuccess = function(e) {                        db.dbInstance = dbContent.result;                        callback(true);                        // db.closeDB('macImDb');                        // db.dbInstance.onerror = null;                        // console.log(db);                    },                    // 创建数据库失败事件                    dbContent.onerror = function() {                        callback(false);                    };                    // }            },            // 获得数据表            getObjectStore: function(objectStoreName, mode) {                var txn, store;                mode = mode || 'readonly';                txn = db.dbInstance.transaction([objectStoreName], mode);                store = txn.objectStore(objectStoreName);                return store;            },            // 当数据库版本更新时创建数据表            upgrade: function(e) {                // console.log('更新了');                var _db = e.target.result,                    names = _db.objectStoreNames;                // 此处可以创建多个表                var name = db.obj.stname;                // console.log(db.obj.stname);                // console.log(name);                if (!names.contains(name)) {                    var store = _db.createObjectStore(                        db.obj.stname, {                            keyPath: 'id',                            autoIncrement: true                        });                    // 如果创建数据表时传过来的索引信息不为空则创建索引                    if (db.obj.indexInfo && db.obj.indexInfo.length !== 0) {                        for (var i = 0; i < db.obj.indexInfo.length; i++) {                            store.createIndex(db.obj.indexInfo[i].indexName, db.obj.indexInfo[i].index, { unique: false });                        }                    }                }            },            // 添加数据（不负责创建表）            addStore: function(objectStoreName, data, callback) {                // 如果此处是数组在此函数内部循环，而不是循环调用add函数是否会快点。                        db.open(function() {                            var store, req, mode = 'readwrite';                            var addNum = 0;                            store = db.getObjectStore(objectStoreName, mode);                            for (var i = 0; i < data.length; i++) {                                var req = store.add(data[i]);                                req.onsuccess = function() {                                    addNum++;                                    if (addNum >= data.length) {                                        callback(true);                                    }                                };                                req.onerror = function() {                                    callback(false);                                };                            }                            //     req = store.add(data);                            // req.onsuccess = function() {
                                //     console.log('add');                            // };                            // req.onerror = fail;                        });            },            //  添加数据（发现没有表则创建表)            add: function(type, userId, objectStoreName, indexInfo, data, callback) {                // console.log(objectStoreName);                // console.log(data);                if (type !== null) {                    objectStoreName = type + userId;                }                // console.log('add');                // indexDbJs.createStore({ stname: 'dt1' }, [], function(data) {
                    //     console.log(data);                // })                db.createStore({ stname: objectStoreName }, indexInfo, function(result) {                    if (result === true) {                        // console.log(true);                        // 如果此处是数组在此函数内部循环，而不是循环调用add函数是否会快点。                        db.open(function() {                            var store, req, mode = 'readwrite';                            var addNum = 0;                            store = db.getObjectStore(objectStoreName, mode);                            for (var i = 0; i < data.length; i++) {                                var req = store.add(data[i]);                                req.onsuccess = function() {                                    addNum++;                                    if (addNum >= data.length) {                                        callback(true);                                    }                                };                                req.onerror = function() {                                    callback(false);                                };                            }                        });                    }                });            },            //更新数据表            update: function(objectStoreName, data, callback) {                db.open(function() {                    var store, req, mode = 'readwrite';                    var updateNum = 0;                    store = db.getObjectStore(objectStoreName, mode);                    if (data.length == 0) {                        if (callback) {                            callback(true);                        }                    }                    for (var i = 0; i < data.length; i++) {                        var req = store.put(data[i]);                        req.onsuccess = function() {                                updateNum++;                                if (updateNum >= data.length) {                                    if (callback) {                                        callback(true);                                    }                                }                            },                            req.onerror = function() {                                if (callback) {                                    callback(true);                                }                            };                    };                });            },            // 通过id查找数据(不加游标)            selectDataById: function(objectStoreName, id, callback) {                db.open(function() {                    var store = db.getObjectStore(objectStoreName),                        req = store.get(id);                    req.onsuccess = function(e) {                        if (!e.target.result) {                            return callback(null);                        }                        callback(e.target.result);                    };                    req.onerror = function() {                        callback(false);                    };                });            },            // 通过自己创建的索引查找数据(不加游标)            selectSingleDataByIndex: function(objectStoreName, indexName, data, callback) {                db.open(function() {                    var store = db.getObjectStore(objectStoreName);                    var index = store.index(indexName);                    var result = [];                    var count = 0                    for (var i = 0; i < data.length; i++) {                        // count++;                        index.get(data[i]).onsuccess = function(e) {                            count++;                            if (e.target.result) {                                result.push(e.target.result);                            }                            if (count >= data.length) {                                callback(result);                            }                        }                    }                });            },            //  通过自己创建的索引查找数据(增加游标)            // selectDataByIndex: function(objectStoreName, indexName, searchData, callback) {
                //     db.open(function() {
                //         var store = db.getObjectStore(objectStoreName);            //         var index = store.index(indexName);            //         var data = [];            //         var request = index.openCursor(IDBKeyRange.only(searchData))            //         request.onsuccess = function(e) {
                //             var cursor = e.target.result;            //             if (cursor) {
                //                 var result = cursor.value;            //                 data.push(result);            //                 // console.log(data);            //                 if(result&&result!==null){
                //                    cursor.continue();            //                  }else{
                //                  }            //                 // console.log(result);            //             }else {
                //                 callback(data);            //             }            //         },            //         request.onerror = callback(false);            //     });            // },            // 通过自己创建的索引查找数据(增加游标)            selectDataByIndex: function(objectStoreName, indexName, searchData, callback) {                    console.log('查询数据,通过自己的索引');                db.open(function() {                     console.log('查询数据库');                    var store = db.getObjectStore(objectStoreName);                    var index = store.index(indexName);                    var data = [];                     console.log(searchData);                    var cursor = index.openCursor(IDBKeyRange.only(searchData));                    cursor.onsuccess = function(e) {                            if (e.target.result) {                                var result = e.target.result.value;                                // var result = result.value;                                // console.log(result);                                data.push(result);                                // console.log(data);                                if (result && result !== null) {                                    e.target.result.continue();                                } else {                                     console.log(result);                                }                                // console.log(result);                            } else {                                callback(data);                            }                        },                        cursor.onerror = function() {                            callback(false);                        };                });            },            // 根据索引删除数据            deleteDataByIndex: function(objectStoreName, indexName, searchData, callback) {                 console.log('查询数据');                db.open(function() {                     console.log('查询数据库');                    var store = db.getObjectStore(objectStoreName, 'readwrite');                    var index = store.index(indexName);                    var data = [];                    var cursor = index.openCursor(IDBKeyRange.only(searchData));                    cursor.onsuccess = function(e) {                            if (e.target.result) {                                var result = e.target.result.value;                                // var result = result.value;                                 console.log(result);                                store.delete(result.id);                                // console.log(data);                                if (result && result !== null) {                                    e.target.result.continue();                                } else {                                }                                // console.log(result);                            } else {                                if(callback){                                  callback(true);                                }                            }                        },                        cursor.onerror = function() {                            callback(false);                        };                });            },            deleteDataById: function(objectStoreName, id, callback) {                db.open(function() {                    var                        mode = 'readwrite',                        store, req;                    store = db.getObjectStore(objectStoreName, mode);                    // console.log('要删除的id'+id);                    // console.log(typeof id);                    req = store.delete(id);                    req.onsuccess = function(){                        // console.log('删除ok');                        callback(true);                    };                    req.onerror = function(){                        callback(false);                    };                });            },            // 根据id范围获取数据            selectDataByIdRange: function(objectStoreName, indexName, startId, endId, callback) {                db.open(function() {                    var store = db.getObjectStore(objectStoreName);                    var index = store.index(indexName);                    var boundKeyRange = IDBKeyRange.bound(startId, endId, false, true);                    var data = [];                    // req = store.get(id);                    index.openCursor(boundKeyRange).onsuccess = function(event) {                        var cursor = event.target.result;                        if (cursor) {                            // Do something with the matches.                            // console.log(cursor.value);                            data.push(cursor.value);                            cursor.continue();                        } else {                            callback(data);                        }                    }                });            },            // 获得一个数据表的所有数据            selectAll: function(objectStoreName, callback) {                db.open(function() {                    var                        store = db.getObjectStore(objectStoreName),                        cursor = store.openCursor(),                        data = [];                    cursor.onsuccess = function(e) {                        var result = e.target.result;                        if (result && result !== null) {                            data.push(result.value);                            result.continue();                            // callback(data);                        } else {                            callback(data);                        }                    };                    cursor.onerror = function() {                        callback(false);                    };                });            },            // 清空某个数据表            // deleteAllDate: function(dbName,objectStoreName) {
                //   var version=db.getdbVeision()            //   db.open(dbName);            // },            // 删除某个数据表            // deleteStore: function(objectStoreName) {
                //     db.open(function() {
                //         // if (db.objectStoreNames.contains(objectStoreName)) {
                //         db.deleteObjectStore(objectStoreName);            //         // }            //     });            // },            deleteAllStore: function(objectStoreName, success, fail) {            },            // 删除某个数据库            deleteDB: function(dbName) {                indexedDB.deleteDatabase(dbName);            },            // 获得数据库当前版本            getdbVeision: function() {                var dbVersion = parseInt(localStorage.getItem("dbVersion")) || 1;                dbVersion++;                localStorage.setItem("dbVersion", dbVersion);                return dbVersion;                // return +new Date();            }        };        return db;    }]);