Question

我正在尝试使用HttpPut在数据库中插入值，但无法使它适用于多个参数。

// PUT: api/Orders/CustomerID/TableID
[HttpPut("{CustomerID,TableID}")]
public async Task<IActionResult> PutOrder([FromRoute] string CustomerID, [FromRoute] string TableID)
{
    using (MySqlConnection connection = new MySqlConnection(ConnectionString))
    {
        try
        {
            string s = "INSERT INTO orders (CustomerID, TableID) VALUES (@CustomerID, @TableID)";
            MySqlCommand command = new MySqlCommand(s, connection);
            command.Parameters.AddWithValue("@CustomerID", CustomerID);
            command.Parameters.AddWithValue("@TableID", TableID);
            connection.Open();

            command.ExecuteNonQuery();
        }
        catch
        { }
        return NoContent();
    }
}

有没有办法实现这一目标？

Answer 1

好的，我发现我做错了。

[HttpPut("{CustomerID}/{TableID}")]
public void PutOrder([FromRoute] string CustomerID, [FromRoute] string TableID)
{
    using (MySqlConnection connection = new MySqlConnection(ConnectionString))
    {
        try
        {
            string s = "INSERT INTO orders (CustomerID, TableID) VALUES (@CustomerID, @TableID)";
            MySqlCommand command = new MySqlCommand(s, connection);
            command.Parameters.AddWithValue("@CustomerID", CustomerID);
            command.Parameters.AddWithValue("@TableID", TableID);
            connection.Open();

            command.ExecuteNonQuery();
        }
        catch
        { }
    }
}

对此进行了调整的代码。

我错误地运行POST而不是PUT（arrgghgh）。

现在它可以正常工作了！

Answer 2

定义属性路由。

[HttpPut]
[Route("api/Orders/{CustomerID}/{TableID}")]
public async Task<IActionResult> PutOrder([FromRoute] string CustomerID, [FromRoute] string TableID)
{
    using (MySqlConnection connection = new MySqlConnection(ConnectionString))
    {
        try
        {
            string s = "INSERT INTO orders (CustomerID, TableID) VALUES (@CustomerID, @TableID)";
            MySqlCommand command = new MySqlCommand(s, connection);
            command.Parameters.AddWithValue("@CustomerID", CustomerID);
            command.Parameters.AddWithValue("@TableID", TableID);
            connection.Open();

            command.ExecuteNonQuery();
        }
        catch
        { }
        return NoContent();
    }
}

具有多个参数HttpPut的ASP.NET Web服务

2 个答案: