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author | chai <215380520@qq.com> | 2023-05-12 09:24:40 +0800 |
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committer | chai <215380520@qq.com> | 2023-05-12 09:24:40 +0800 |
commit | 2a1cd4fda8a4a8e649910d16b4dfa1ce7ae63543 (patch) | |
tree | a471fafed72e80b4ac3ac3002e06c34220dd6058 /ThirdParty/CsvHelper-master/src/CsvHelper.Website/input/examples/configuration/class-maps/constant-value/index.md | |
parent | b8a694746562b37dc8dc5b8b5aec8612bb0964fc (diff) |
*misc
Diffstat (limited to 'ThirdParty/CsvHelper-master/src/CsvHelper.Website/input/examples/configuration/class-maps/constant-value/index.md')
-rw-r--r-- | ThirdParty/CsvHelper-master/src/CsvHelper.Website/input/examples/configuration/class-maps/constant-value/index.md | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/ThirdParty/CsvHelper-master/src/CsvHelper.Website/input/examples/configuration/class-maps/constant-value/index.md b/ThirdParty/CsvHelper-master/src/CsvHelper.Website/input/examples/configuration/class-maps/constant-value/index.md new file mode 100644 index 0000000..39f9baa --- /dev/null +++ b/ThirdParty/CsvHelper-master/src/CsvHelper.Website/input/examples/configuration/class-maps/constant-value/index.md @@ -0,0 +1,41 @@ +# Constant Value + +You can set a constant value to a property instead of mapping it to a field. + +###### Data + +``` +Id,Name +1,one +``` + +###### Example + +```cs +void Main() +{ + using (var reader = new StreamReader("path\\to\\file.csv")) + using (var csv = new CsvReader(reader, CultureInfo.InvariantCulture)) + { + csv.Context.RegisterClassMap<FooMap>(); + var records = csv.GetRecords<Foo>(); + } +} + +public class Foo +{ + public int Id { get; set; } + public string Name { get; set; } + public bool IsDirty { get; set; } +} + +public sealed class FooMap : ClassMap<Foo> +{ + public FooMap() + { + Map(m => m.Id); + Map(m => m.Name); + Map(m => m.IsDirty).Constant(true); + } +} +``` |