ionic项目打包好Xcode工程，模拟器运行各种沙盒缓存目录

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。

/Users/userName/Library/Developer/CoreSimulator/Devices/udid/data/Containers/Data/Application/9609D07D-0618-4ADB-8A07-CC46D898EC09/Library/dabaseName.db

angular.module('starter.eamDB', [])
  .factory("myDB", function ($q, $cordovaSQLite, $ionicPlatform) {
    var db;
    var is_debug = false;
    return {
      openDB: function (dbname, background, func) {
        if (window.cordova) {
          $ionicPlatform.ready(function () {
            var options = {name: dbname, location: 'default'};
            if (typeof background != 'function') {
              db = $cordovaSQLite.openDB(options, background);
            } else {
              func = background;
              db = $cordovaSQLite.openDB(options);
            }
            if ($.isFunction(func)) {
              func();
            }
          });
          return db;
        } else {
          //使用本地存储。
          if (typeof background == 'function') {
            func = background;
          }
          // console.log(window.openDatabase(dbname, "1.0", "", 1024 * 1024 * 100, func));
          return db = window.openDatabase(dbname, "", "", 1024 * 1024 * 100, func);
        }
      },
      deleteDB: function (dbName) {
        if (window.cordova && is_debug == false) {
          return $cordovaSQLite.deleteDB(dbName);
        } else {

        }
      },
      execute: function (db, query, binding) {
        // console.log("query " + query);

        if (window.cordova && is_debug == false) {
          return $cordovaSQLite.execute(db, query, binding);
        } else {
          var q = $q.defer();
          db.transaction(function (tx) {
            tx.executeSql(query, binding, function (tx, result) {
                q.resolve(result);
              },
              function (transaction, error) {
                console.log(JSON.stringify(error.message));
                q.reject(error);
              });
          });
          return q.promise;
        }
      },
      executeBatchSqls: function (db, batchSqls) {
        var defer = $q.defer();
        var start = new Date;
        db.transaction(function (tx) {
          async.eachSeries(batchSqls, function (sql, callback) {
            var inStart = new Date;
            try {
              tx.executeSql(sql, null, function (tx, result) {
                console.log("执行 " + sql + " 耗时： " + (new Date - inStart) + " ms");
                callback(null, result);
              }, function (transaction, error) {
                console.error("执行 " + sql + " 出错");
                callback(error);
              });
            } catch (exception) {
              console.error("执行 " + sql + " 出现异常"+JSON.stringify(exception,undefined,2));
              callback(exception);
            }
          }, function (err) {
            console.log("执行批量sqls总共耗时：" + (new Date - start) + " ms");
            if (err) {
              console.error(err);
              defer.reject(err);
            } else {
              defer.resolve();
            }
          });
        });
        return defer.promise;
      },
      insertCollection: function (db, query, bindings) {
        if (window.cordova && is_debug == false) {
          return $cordovaSQLite.insertCollection(db, query, bindings);
        } else {
          var q = $q.defer();
          var coll = bindings.slice(0); // clone collection
          db.transaction(function (tx) {
            (function insertOne() {
              var record = coll.splice(0, 1)[0]; // get the first record of coll and reduce coll by one
              try {
                tx.executeSql(query, record, function (tx, result) {
                  if (coll.length === 0) {
                    q.resolve(result);
                  } else {
                    insertOne();
                  }
                }, function (transaction, error) {
                  q.reject(error);
                  return;
                });
              } catch (exception) {
                q.reject(exception);
              }
            })();
          });
          return q.promise;
        }
      },
      nestedExecute: function (db, query1, query2, binding1, binding2) {
        if (window.cordova && is_debug == false) {
          return $cordovaSQLite.nestedExecute(db, query1, query2, binding1, binding2);
        } else {
          var q = $q.defer();
          db.transaction(function (tx) {
              tx.executeSql(query1, binding1, function (tx, result) {
                q.resolve(result);
                tx.executeSql(query2, binding2, function (tx, res) {
                  q.resolve(res);
                });
              });
            },
            function (transaction, error) {
              q.reject(error);
            });

          return q.promise;
        }
      }
    }
  });

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/