Cordova s​​qliteplugin预先填充的sqlite数据库错误'cordova.exec不是函数'

Question

当我在onDeviceReady: function ()内使用sqliteplugin之类的第一个例子时，它运行正常。但是当我在控制器中使用第二个例子时，它不起作用。

TypeError: cordova.exec is not a function.

示例1

var app = angular.module("myApp", []);
app = {
// Application Constructor

initialize: function () {  

this.bindEvents();

},


bindEvents: function () {    

document.addEventListener('deviceready', this.onDeviceReady);
},

onDeviceReady: function () {

function copyDatabaseFile(dbName) {

  var sourceFileName = cordova.file.applicationDirectory + 'www/' + dbName;
  var targetDirName = cordova.file.dataDirectory;

  return Promise.all([
    new Promise(function (resolve, reject) {
      resolveLocalFileSystemURL(sourceFileName, resolve, reject);
    }),
    new Promise(function (resolve, reject) {
      resolveLocalFileSystemURL(targetDirName, resolve, reject);
    })
  ]).then(function (files) {
    var sourceFile = files[0];
    var targetDir = files[1];
    return new Promise(function (resolve, reject) {
      targetDir.getFile(dbName, {}, resolve, reject);
    }).then(function () {
      //console.log("file already copied");
    }).catch(function () {
      console.log("file doesn't exist, copying it");
      return new Promise(function (resolve, reject) {
        sourceFile.copyTo(targetDir, dbName, resolve, reject);
      }).then(function () {
        console.log("database file copied");
      });
    });
  });
}

copyDatabaseFile('mydatabase.db').then(function () {
  // success! :)
  var db = sqlitePlugin.openDatabase('mydatabase.db');

if(window.cordova)
    db = sqlitePlugin.openDatabase('mydatabase.db');
else
    db = sqlitePlugin.openDatabase('mydatabase.db', '1','my', 1024*1024*100);


  db.readTransaction(function (txn) {
    txn.executeSql('SELECT * FROM mytable', [], function (tx, res) {
      console.log('Successfully read from pre-populated DB:');
      console.log(JSON.stringify(res));
    });
  });
}).catch(function (err) {
  // error! :(
  console.log(err);
});

},

}

};

app.initialize();

示例2

app.controller("Tab4Ctrl", function($scope) {
var db = sqlitePlugin.openDatabase('mydatabase.db');

if(window.cordova)
    db = sqlitePlugin.openDatabase('mydatabase.db');
else
    db = sqlitePlugin.openDatabase('mydatabase.db', '1','my', 1024*1024*100);
  db.readTransaction(function (txn) {
    txn.executeSql('SELECT * FROM mytable', [], function (tx, res) {
      console.log(JSON.stringify(res));
    });
 });
});

Answer 1

I have found my mistake

app.controller("Tab4Ctrl",['$scope', function($scope, $sqliteplugin) {
   var db = sqlitePlugin.openDatabase('mydatabase.db');
  if(window.cordova)
       db = sqlitePlugin.openDatabase('mydatabase.db');
else
      db = sqlitePlugin.openDatabase('mydatabase.db', '1','my', 1024*1024*100);
      db.readTransaction(function (txn) {
     txn.executeSql('SELECT * FROM mytable', [], function (tx, res) {
     console.log(JSON.stringify(res));
});
});
});
}])