dajpper使用教程

時間 2019-11-06

標籤 dajpper 使用教程简体版

原文原文鏈接

1.表結構

二、程序對應的實體類

三、基本操做

3.1 插入git

public int Insert(Person person, string _ConnString)
{
 using (IDbConnection connection = new SqlConnection(_ConnString))
 {
 return connection.Execute("insert into Person(Name,Remark) values(@Name,@Remark)", person);

 }

}

3.2 刪除github

public int Delete(Person person, string connectionString)
{
 using (IDbConnection connection = new SqlConnection(connectionString))
 {
 return connection.Execute("delete from Person where id=@ID", person);
 }
}

3.3 修改app

public int Update(Person person, string connectionString)
{
 using (IDbConnection connection = new SqlConnection(connectionString))
 {
 return connection.Execute("update Person set name=@Name where id=@ID", person);
 }
}

3.4 查詢post

/// <summary>
/// 批量修改
/// </summary>
/// <param name="persons"></param>
/// <param name="connectionString"></param>
/// <returns></returns>
public int Update(List<Person> persons, string connectionString)
{
 using (IDbConnection connection = new SqlConnection(connectionString))
 {
 return connection.Execute("update Person set name=@name where id=@ID", persons);
 }
}


/// <summary>
/// 無參查詢全部數據
/// </summary>
/// <returns></returns>
public List<Person> Query(string connectionString)
{
 using (IDbConnection connection = new SqlConnection(connectionString))
 {
 return connection.Query<Person>("select * from Person").ToList();
 }
}

其他內容：https://hongmaju.github.io/2018/06/19/Dapper%E7%9A%84%E4%BD%BF%E7%94%A8%E8%AF%B4%E6%98%8E/#more

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