6
我正在使用CsvHelper
生成基于List
的csv文件,但我想避免编写其中一个值。根据documentation,我用CsvClassMap
来指定我想要忽略的字段。但是,该值仍被写入文件。CsvHelper忽略不工作
这里是我的类:
public class Person
{
public int Id { get; set; }
public string FirstName { get; set; }
public string MiddleName { get; set; }
public string LastName { get; set; }
}
这里是我的CsvClassMap
:
public sealed class PersonClassMap : CsvClassMap<Person>
{
public PersonClassMap()
{
Map(m => m.Id).Index(0).Name("Id");
Map(m => m.FirstName).Index(1).Name("First Name");
Map(m => m.LastName).Index(2).Name("Last Name");
Map(m => m.MiddleName).Ignore();
}
}
这是我用来生成输出代码:
var persons = new List<Person>
{
new Person {Id = 1, FirstName = "Randall", MiddleName = "Michael", LastName = "Perry"},
new Person {Id = 2, FirstName = "Marigold", MiddleName = "Joanne", LastName = "Mercibar"},
new Person {Id = 3, FirstName = "Sven", MiddleName = "Ergenfein", LastName = "Olafsson"}
};
using (var csvWriter = new CsvWriter(textWriter))
{
csvWriter.WriteRecords(persons);
textWriter.Flush();
}
我输出如下:
Id,FirstName,MiddleName,LastName 1,Randall,Michael,Perry 2,Marigold,Joanne,Mercibar 3,Sven,Ergenfein,Olafsson
我怎样才能让它停止编写MiddleName
?
不知道为什么,这是下调投票。我在这里学到了有用的东西答案有问题吗? – jsuddsjr 2015-01-23 23:48:49
我想这是因为他发布后立即回答自己的问题? – Benedict 2015-05-01 02:28:47
“问及回答你自己的问题不仅仅是可以的,而是明确的鼓励”:http://blog.stackoverflow.com/2011/07/its-ok-to-ask-and-answer-your-own -questions / – 2015-05-04 19:38:50