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https://gitee.com/dotnetchina/MiniExcel.git
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feat(MiniExcelDataReaderBase): add MniExcelDataReaderBase class to simplify code (#651)
* feat: 增加 MiniExcelDataReaderBase 基类 * refactor: 使用基类精简代码 * Update MiniExcelDataReaderBase.cs Signed-off-by: Wei Lin <shps951002@gmail.com> --------- Signed-off-by: Wei Lin <shps951002@gmail.com> Co-authored-by: Wei Lin <shps951002@gmail.com>
This commit is contained in:
Argo Zhang
GitHub
parent
4b7f1696db
commit
b20ed40f81
@ -1,12 +1,11 @@
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namespace MiniExcelLibs
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{
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using System;
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using System.Collections.Generic;
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using System.Data;
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using System.IO;
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using System.Linq;
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public class MiniExcelDataReader : IDataReader
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public class MiniExcelDataReader : MiniExcelDataReaderBase
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{
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private readonly IEnumerator<IDictionary<string, object>> _source;
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private readonly int _fieldCount;
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@ -26,22 +25,29 @@
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}
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}
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public void Dispose()
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{
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_stream.Dispose();
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}
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public object GetValue(int i)
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/// <summary>
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/// <inheritdoc/>
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/// </summary>
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/// <param name="i"></param>
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/// <returns></returns>
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public override object GetValue(int i)
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{
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return _source.Current[_keys[i]];
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}
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public int FieldCount
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/// <summary>
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/// <inheritdoc/>
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/// </summary>
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public override int FieldCount
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{
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get { return _fieldCount; }
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}
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public bool Read()
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/// <summary>
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/// <inheritdoc/>
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/// </summary>
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/// <returns></returns>
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public override bool Read()
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{
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if (_isFirst)
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{
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@ -51,135 +57,37 @@
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return _source.MoveNext();
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}
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public string GetName(int i)
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/// <summary>
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/// <inheritdoc/>
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/// </summary>
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/// <param name="i"></param>
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/// <returns></returns>
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public override string GetName(int i)
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{
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return _keys[i];
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}
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public int GetOrdinal(string name)
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/// <summary>
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/// <inheritdoc/>
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/// </summary>
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/// <param name="name"></param>
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/// <returns></returns>
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public override int GetOrdinal(string name)
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{
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var i = _keys.IndexOf(name);
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return _keys.IndexOf(name);
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}
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public void Close()
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/// <summary>
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/// <inheritdoc/>
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/// </summary>
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/// <param name="disposing"></param>
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protected override void Dispose(bool disposing)
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{
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return;
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}
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public int Depth => throw new NotImplementedException();
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public bool IsClosed => throw new NotImplementedException();
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public int RecordsAffected => throw new NotImplementedException();
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public object this[string name] => throw new NotImplementedException();
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public object this[int i] => throw new NotImplementedException();
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public DataTable GetSchemaTable()
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{
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throw new NotImplementedException();
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}
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public bool NextResult()
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{
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throw new NotImplementedException();
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}
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public bool GetBoolean(int i)
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{
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throw new NotImplementedException();
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}
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public byte GetByte(int i)
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{
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throw new NotImplementedException();
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}
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public long GetBytes(int i, long fieldOffset, byte[] buffer, int bufferoffset, int length)
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{
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throw new NotImplementedException();
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}
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public char GetChar(int i)
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{
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throw new NotImplementedException();
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}
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public long GetChars(int i, long fieldoffset, char[] buffer, int bufferoffset, int length)
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{
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throw new NotImplementedException();
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}
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public IDataReader GetData(int i)
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{
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throw new NotImplementedException();
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}
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public string GetDataTypeName(int i)
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{
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throw new NotImplementedException();
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}
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public DateTime GetDateTime(int i)
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{
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throw new NotImplementedException();
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}
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public decimal GetDecimal(int i)
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{
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throw new NotImplementedException();
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}
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public double GetDouble(int i)
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{
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throw new NotImplementedException();
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}
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public Type GetFieldType(int i)
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{
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throw new NotImplementedException();
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}
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public float GetFloat(int i)
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{
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throw new NotImplementedException();
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}
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public Guid GetGuid(int i)
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{
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throw new NotImplementedException();
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}
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public short GetInt16(int i)
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{
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throw new NotImplementedException();
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}
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public int GetInt32(int i)
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{
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throw new NotImplementedException();
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}
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public long GetInt64(int i)
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{
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throw new NotImplementedException();
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}
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public string GetString(int i)
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{
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throw new NotImplementedException();
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}
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public int GetValues(object[] values)
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{
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throw new NotImplementedException();
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}
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public bool IsDBNull(int i)
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{
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throw new NotImplementedException();
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if (disposing)
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{
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_stream.Dispose();
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}
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}
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}
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}
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251
src/MiniExcel/MiniExcelDataReaderBase.cs
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251
src/MiniExcel/MiniExcelDataReaderBase.cs
Normal file
@ -0,0 +1,251 @@
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namespace MiniExcelLibs
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{
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using System;
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using System.Data;
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/// <summary>
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/// IDataReader Base Class
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/// </summary>
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public abstract class MiniExcelDataReaderBase : IDataReader
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{
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/// <summary>
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/// <inheritdoc/>
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/// </summary>
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/// <param name="i"></param>
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/// <returns></returns>
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public virtual object this[int i] => null;
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/// <summary>
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/// <inheritdoc/>
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/// </summary>
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/// <param name="name"></param>
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/// <returns></returns>
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public virtual object this[string name] => null;
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/// <summary>
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/// <inheritdoc/>
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/// </summary>
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public virtual int Depth { get; } = 0;
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/// <summary>
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/// <inheritdoc/>
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/// </summary>
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public virtual bool IsClosed { get; } = false;
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/// <summary>
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/// <inheritdoc/>
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/// </summary>
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public virtual int RecordsAffected { get; } = 0;
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/// <summary>
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/// <inheritdoc/>
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/// </summary>
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public virtual int FieldCount { get; }
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/// <summary>
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/// <inheritdoc/>
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/// </summary>
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/// <param name="i"></param>
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/// <returns></returns>
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public virtual bool GetBoolean(int i) => false;
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/// <summary>
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/// <inheritdoc/>
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/// </summary>
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/// <param name="i"></param>
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/// <returns></returns>
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public virtual byte GetByte(int i) => byte.MinValue;
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/// <summary>
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/// <inheritdoc/>
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/// </summary>
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/// <param name="i"></param>
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/// <param name="fieldOffset"></param>
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/// <param name="buffer"></param>
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/// <param name="bufferOffset"></param>
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/// <param name="length"></param>
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/// <returns></returns>
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public virtual long GetBytes(int i, long fieldOffset, byte[] buffer, int bufferOffset, int length) => 0;
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/// <summary>
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/// <inheritdoc/>
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/// </summary>
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/// <param name="i"></param>
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/// <returns></returns>
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public virtual char GetChar(int i) => char.MinValue;
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/// <summary>
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/// <inheritdoc/>
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/// </summary>
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/// <param name="i"></param>
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/// <param name="fieldOffset"></param>
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/// <param name="buffer"></param>
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/// <param name="bufferOffset"></param>
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/// <param name="length"></param>
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/// <returns></returns>
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public virtual long GetChars(int i, long fieldOffset, char[] buffer, int bufferOffset, int length) => 0;
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/// <summary>
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/// <inheritdoc/>
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/// </summary>
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/// <param name="i"></param>
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/// <returns></returns>
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public virtual IDataReader GetData(int i) => null;
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/// <summary>
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/// <inheritdoc/>
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/// </summary>
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/// <param name="i"></param>
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/// <returns></returns>
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public virtual string GetDataTypeName(int i) => string.Empty;
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/// <summary>
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/// <inheritdoc/>
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/// </summary>
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/// <param name="i"></param>
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/// <returns></returns>
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public virtual DateTime GetDateTime(int i) => DateTime.MinValue;
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/// <summary>
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/// <inheritdoc/>
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/// </summary>
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/// <param name="i"></param>
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/// <returns></returns>
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public virtual decimal GetDecimal(int i) => 0;
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/// <summary>
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/// <inheritdoc/>
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/// </summary>
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/// <param name="i"></param>
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/// <returns></returns>
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public virtual double GetDouble(int i) => 0;
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/// <summary>
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/// <inheritdoc/>
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/// </summary>
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/// <param name="i"></param>
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/// <returns></returns>
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public virtual Type GetFieldType(int i) => null;
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/// <summary>
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/// <inheritdoc/>
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/// </summary>
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/// <param name="i"></param>
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/// <returns></returns>
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public virtual float GetFloat(int i) => 0f;
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/// <summary>
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/// <inheritdoc/>
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/// </summary>
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/// <param name="i"></param>
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/// <returns></returns>
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public virtual Guid GetGuid(int i) => Guid.Empty;
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/// <summary>
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/// <inheritdoc/>
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/// </summary>
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/// <param name="i"></param>
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/// <returns></returns>
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public virtual short GetInt16(int i) => 0;
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/// <summary>
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/// <inheritdoc/>
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/// </summary>
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/// <param name="i"></param>
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/// <returns></returns>
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public virtual int GetInt32(int i) => 0;
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/// <summary>
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/// <inheritdoc/>
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/// </summary>
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/// <param name="i"></param>
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/// <returns></returns>
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public virtual long GetInt64(int i) => 0;
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/// <summary>
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/// <inheritdoc/>
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/// </summary>
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/// <param name="name"></param>
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/// <returns></returns>
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public virtual int GetOrdinal(string name) => 0;
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/// <summary>
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/// <inheritdoc/>
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/// </summary>
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/// <returns></returns>
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public virtual DataTable GetSchemaTable() => null;
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/// <summary>
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/// <inheritdoc/>
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/// </summary>
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/// <param name="i"></param>
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/// <returns></returns>
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public virtual string GetString(int i) => string.Empty;
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/// <summary>
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/// <inheritdoc/>
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/// </summary>
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/// <param name="values"></param>
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/// <returns></returns>
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public virtual int GetValues(object[] values) => 0;
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/// <summary>
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/// <inheritdoc/>
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/// </summary>
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/// <param name="i"></param>
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/// <returns></returns>
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public virtual bool IsDBNull(int i) => false;
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/// <summary>
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/// <inheritdoc/>
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/// </summary>
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/// <returns></returns>
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public virtual bool NextResult() => false;
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/// <summary>
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/// <inheritdoc/>
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/// </summary>
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/// <param name="i"></param>
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/// <returns></returns>
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public abstract string GetName(int i);
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/// <summary>
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/// <inheritdoc/>
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/// </summary>
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/// <param name="i"></param>
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/// <returns></returns>
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public abstract object GetValue(int i);
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/// <summary>
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/// <inheritdoc/>
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/// </summary>
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/// <returns></returns>
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public abstract bool Read();
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/// <summary>
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/// <inheritdoc/>
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/// </summary>
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public virtual void Close()
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{
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}
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/// <summary>
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/// <inheritdoc/>
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/// </summary>
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/// <param name="disposing"></param>
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protected virtual void Dispose(bool disposing)
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{
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}
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/// <summary>
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/// <inheritdoc/>
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/// </summary>
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public void Dispose()
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{
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Dispose(true);
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GC.SuppressFinalize(this);
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}
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}
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}
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