Eve*_*tro 5 javascript sqlite angularjs ionic
我创建了一个具有提供查询功能的工厂$cordovaSQLite.execute.我确信查询是正确的,因为我使用SQLiteBrowser在数据库中正确运行,这完美.在控制台中,我有一条消息,通知数据库已打开.但是这个函数没有返回我需要的数据.
我收到此错误:prepare语句失败,错误:1.
这是我的代码:
factotyDatabase.js
var app = angular.module('anotei');
app.factory('factoryDatabase', function($cordovaSQLite, $ionicLoading, $q){
var currentDB = undefined;
var DATABASE_NAME = 'anotei.db';
var PATH = 'anotei.db';
return{
init: function(){
if(currentDB == undefined){
currentDB = window.sqlitePlugin.openDatabase({
name: DATABASE_NAME,
createFromResources: PATH
});
}
return currentDB;
},
executeQuery: function(deliveredQuery, fields){
var defer = $q.defer();
$ionicLoading.show();
var resp = $cordovaSQLite.execute(currentDB, deliveredQuery, fields);
resp.then(
function(execution){
defer.resolve(execution);
$ionicLoading.hide();
},
function(error){
$ionicLoading.hide();
defer.reject(error);
console.log(error);
}
);
return defer.promise;
}
}
});
// This is the service with the function that calls the factory
var app = angular.module('anotei');
app.service('serviceSubject', function($q, factoryDatabase){
return{
getSubjects: function(){
var defer = $q.defer();
var resp = factoryDatabase.executeQuery('select * from materias');
resp.then(
function(resultSet){
var listMateria = [];
for(var i = 0; i < resultSet.rows.length; i++){
var materia = {};
materia.id_materia = resultSet.rows.item(i).id_materia;
materia.nome = resultSet.rows.item(i).nome;
materia.max_faltas = resultSet.rows.item(i).max_faltas;
materia.professor = resultSet.rows.item(i).professor;
materia.email_prof = resultSet.rows.item(i).email_prof;
materia.num_faltas = resultSet.rows.item(i).num_faltas;
listMateria.push(materia);
}
defer.resolve(listMateria);
},
function(error){
console.log(error);
}
);
return defer.promise;
}
}
});
Run Code Online (Sandbox Code Playgroud)
我解决了这个问题。
我只是使用旧版本的$cordovaSQLite. 我刚刚卸载了它并再次运行:
添加插件cordova https://github.com/litehelpers/Cordova-sqlite-storage.git
问题已解决。谢谢!!!
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