问用csvhelper映射/写辅助

EN

    public override void CreateMap()
    {
        Map(x => x.Name).Name("Name");
        Map(x => x.LasName).Name("LastName");
    } 

  public string Name { get; set; }
  public string LastName { get; set; }

 public void writePerson()
 {
        IEnumerable<Person> records;
        using (var r = new CsvReader(new StreamReader("person.csv")))
        {
            r.Configuration.RegisterClassMap<PersonMap>();
            records = r.GetRecords<Person>().ToList();     
        } 

        using (var w = new CsvWriter(new StreamWriter("person.csv")))
        {
            w.Configuration.RegisterClassMap<PersonMap>();
            w.WriteRecord(records); //rewrite csv list
            w.WriteField("John")); 
            w.WriteField("Doe");
            w.NextRecord();             
        }
    }