const dbName = 'test'
const dbPath = '_doc/test.db'

export default {
	createDatabase(){
		let isOpen = plus.sqlite.isOpenDatabase({
			name: dbName,
			path: dbPath
		});
		if(isOpen){
			return Promise.resolve();
		}
		return new Promise((resolve,reject)=>{
			plus.sqlite.openDatabase({
				name: dbName,
				path: dbPath,
				success: resolve,
				fail: reject
			});
		});
	},
	selectSql(sql){
		console.log('查询',sql);
		return new Promise((resolve, reject)=>{
			plus.sqlite.selectSql({
				name: dbName,
				sql,
				success: resolve,
				fail: reject
			});
		})
	},
	
	executeSql(sql){
		// console.log('执行',sql);
		return new Promise((resolve, reject)=>{
			plus.sqlite.executeSql({
				name: dbName,
				sql,
				success: resolve,
				fail: reject
			});
		})
	}
}
// adb -s emulator-5554 shell
// cd /storage/emulated/0/Android/data/io.dcloud.HBuilder/apps/HBuilder/doc
// sqlite3 test.db

// DROP TABLE IF EXISTS chat_groups;删除表chat_groups代表你的表名
// DROP TABLE IF EXISTS getSystemInfo;
// adb pull /storage/emulated/0/Android/data/io.dcloud.HBuilder/apps/HBuilder/doc/<数据库文件名> . 从雷电模拟器中里拉取你的数据库到本地运行