用ionic开发好的app，build好iOS端可用的Xcode工程，然后用模拟器跑起来。研究一下js写的代码做本地持久化时，不同类型的文件都放在那里了。
cordova-plugin-sqliteStorage插件创建的数据库的在沙盒中文件位置，默认使用参数default。
p.p1 { margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px "Helvetica Neue"; color: #454545 }
/Users/userName/Library/Developer/CoreSimulator/Devices/udid/data/Containers/Data/Application/9609D07D-0618-4ADB-8A07-CC46D898EC09/Library/dabaseName.db
1 angular.module(‘starter.eamDB‘, [])
2 .factory("myDB", function ($q, $cordovaSQLite, $ionicPlatform) {
3 var db;
4 var is_debug = false;
5 return {
6 openDB: function (dbname, background, func) {
7 if (window.cordova) {
8 $ionicPlatform.ready(function () {
9 var options = {name: dbname, location: ‘default‘};
10 if (typeof background != ‘function‘) {
11 db = $cordovaSQLite.openDB(options, background);
12 } else {
13 func = background;
14 db = $cordovaSQLite.openDB(options);
15 }
16 if ($.isFunction(func)) {
17 func();
18 }
19 });
20 return db;
21 } else {
22 //使用本地存储。
23 if (typeof background == ‘function‘) {
24 func = background;
25 }
26 // console.log(window.openDatabase(dbname, "1.0", "", 1024 * 1024 * 100, func));
27 return db = window.openDatabase(dbname, "", "", 1024 * 1024 * 100, func);
28 }
29 },
30 deleteDB: function (dbName) {
31 if (window.cordova && is_debug == false) {
32 return $cordovaSQLite.deleteDB(dbName);
33 } else {
34
35 }
36 },
37 execute: function (db, query, binding) {
38 // console.log("query " + query);
39
40 if (window.cordova && is_debug == false) {
41 return $cordovaSQLite.execute(db, query, binding);
42 } else {
43 var q = $q.defer();
44 db.transaction(function (tx) {
45 tx.executeSql(query, binding, function (tx, result) {
46 q.resolve(result);
47 },
48 function (transaction, error) {
49 console.log(JSON.stringify(error.message));
50 q.reject(error);
51 });
52 });
53 return q.promise;
54 }
55 },
56 executeBatchSqls: function (db, batchSqls) {
57 var defer = $q.defer();
58 var start = new Date;
59 db.transaction(function (tx) {
60 async.eachSeries(batchSqls, function (sql, callback) {
61 var inStart = new Date;
62 try {
63 tx.executeSql(sql, null, function (tx, result) {
64 console.log("执行 " + sql + " 耗时： " + (new Date - inStart) + " ms");
65 callback(null, result);
66 }, function (transaction, error) {
67 console.error("执行 " + sql + " 出错");
68 callback(error);
69 });
70 } catch (exception) {
71 console.error("执行 " + sql + " 出现异常"+JSON.stringify(exception,undefined,2));
72 callback(exception);
73 }
74 }, function (err) {
75 console.log("执行批量sqls总共耗时：" + (new Date - start) + " ms");
76 if (err) {
77 console.error(err);
78 defer.reject(err);
79 } else {
80 defer.resolve();
81 }
82 });
83 });
84 return defer.promise;
85 },
86 insertCollection: function (db, query, bindings) {
87 if (window.cordova && is_debug == false) {
88 return $cordovaSQLite.insertCollection(db, query, bindings);
89 } else {
90 var q = $q.defer();
91 var coll = bindings.slice(0); // clone collection
92 db.transaction(function (tx) {
93 (function insertOne() {
94 var record = coll.splice(0, 1)[0]; // get the first record of coll and reduce coll by one
95 try {
96 tx.executeSql(query, record, function (tx, result) {
97 if (coll.length === 0) {
98 q.resolve(result);
99 } else {
100 insertOne();
101 }
102 }, function (transaction, error) {
103 q.reject(error);
104 return;
105 });
106 } catch (exception) {
107 q.reject(exception);
108 }
109 })();
110 });
111 return q.promise;
112 }
113 },
114 nestedExecute: function (db, query1, query2, binding1, binding2) {
115 if (window.cordova && is_debug == false) {
116 return $cordovaSQLite.nestedExecute(db, query1, query2, binding1, binding2);
117 } else {
118 var q = $q.defer();
119 db.transaction(function (tx) {
120 tx.executeSql(query1, binding1, function (tx, result) {
121 q.resolve(result);
122 tx.executeSql(query2, binding2, function (tx, res) {
123 q.resolve(res);
124 });
125 });
126 },
127 function (transaction, error) {
128 q.reject(error);
129 });
130
131 return q.promise;
132 }
133 }
134 }
135 });
使用localstorage创建的一些本地缓存存储的记录的路径
/Users/userName/Library/Developer/CoreSimulator/Devices/udid/data/Containers/Data/Application/9609D07D-0618-4ADB-8A07-CC46D898EC09/Library/Caches/appIdentifier/nsurlcache/...
或
/Users/userName/Library/Developer/CoreSimulator/Devices/udid/data/Containers/Data/Application/9609D07D-0618-4ADB-8A07-CC46D898EC09/Library/Caches/...localstroage
诸如此类文件：
file__0.localstorage
file__0.localstorage-shm
file__0.localstorage-wal
从图库中选择的图片的路径
/Users/userName/Library/Developer/CoreSimulator/Devices/udid/data/Containers/Data/Application/9609D07D-0618-4ADB-8A07-CC46D898EC09/tem/