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C#引入SqlLite

作者:互联网

首先在SqlLite的官网中下载SqlLite文件:

官网下载地址:https://www.sqlite.org/download.html

 

 选择这个for .net

然后如下图所示,一般64位的同学下载这个就可以了

 

下载解压完成后如下图所示:

 

 其中:System.Data.SQLite.dll这个文件添加引用到工程中;

然后注意:SQLite.Interop.dll文件放到编译生成的目录下;

System.Data.SQLite.dll.config中是配置文件的说明,按需放到app.config(客户端软件)或者web.config(服务端软件)中,初学者可以不用管。

 同时,VS中对项目进行设置,引用的x64的SqlLite就设置成64的编译环境

 

 示例代码:

using System;
using System.Data.SQLite;

namespace SQLiteSamples
{
    class Program
    {
        //数据库连接
        SQLiteConnection m_dbConnection;

        static void Main(string[] args)
        {
            Program p = new Program();
        }

        public Program()
        {
            createNewDatabase();
            connectToDatabase();
            createTable();
            fillTable();
            printHighscores();
        }

        //创建一个空的数据库
        void createNewDatabase()
        {
            SQLiteConnection.CreateFile("MyDatabase.sqlite");
        }

        //创建一个连接到指定数据库
        void connectToDatabase()
        {
            m_dbConnection = new SQLiteConnection("Data Source=MyDatabase.sqlite;Version=3;");
            m_dbConnection.Open();
        }

        //在指定数据库中创建一个table
        void createTable()
        {
            string sql = "create table highscores (name varchar(20), score int)";
            SQLiteCommand command = new SQLiteCommand(sql, m_dbConnection);
            command.ExecuteNonQuery();
        }

        //插入一些数据
        void fillTable()
        {
            string sql = "insert into highscores (name, score) values ('Me', 3000)";
            SQLiteCommand command = new SQLiteCommand(sql, m_dbConnection);
            command.ExecuteNonQuery();

            sql = "insert into highscores (name, score) values ('Myself', 6000)";
            command = new SQLiteCommand(sql, m_dbConnection);
            command.ExecuteNonQuery();

            sql = "insert into highscores (name, score) values ('And I', 9001)";
            command = new SQLiteCommand(sql, m_dbConnection);
            command.ExecuteNonQuery();
        }

        //使用sql查询语句,并显示结果
        void printHighscores()
        {
            string sql = "select * from highscores order by score desc";
            SQLiteCommand command = new SQLiteCommand(sql, m_dbConnection);
            SQLiteDataReader reader = command.ExecuteReader();
            while (reader.Read())
                Console.WriteLine("Name: " + reader["name"] + "\tScore: " + reader["score"]);
            Console.ReadLine();
        }
    }
}

控制台程序运行结果

 

 运行目录下生成MyDatabase.sqlite数据库文件

标签:dbConnection,C#,SQLiteCommand,command,sql,引入,new,void,SqlLite
来源: https://www.cnblogs.com/LeeSki/p/14381192.html