namespace IStation.Win
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{
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public static class ClassUpdateVailDataHelper
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{
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/// <summary>
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/// 反射对比实体属性变更
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/// </summary>
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/// <typeparam name="T"></typeparam>
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public static class CompareEntry<T>
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{
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/// <summary>
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/// 编辑之前的对象和编辑后的对象进行对比
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/// </summary>
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/// <returns></returns>
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public static bool CompareDTO(T BeforeDTO, T AfterDTO)
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{
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bool IsEqual = true;
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if (BeforeDTO == null || AfterDTO == null)
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{
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IsEqual = false;
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}
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else if (BeforeDTO.Equals(DBNull.Value) || AfterDTO.Equals(DBNull.Value))
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{
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IsEqual = false;
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}
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else if (BeforeDTO.GetType() != AfterDTO.GetType())
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{
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IsEqual = false;
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return IsEqual;
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}
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else if (BeforeDTO is int || BeforeDTO is short || BeforeDTO is long || BeforeDTO is float || BeforeDTO is double || BeforeDTO is decimal)
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{
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//int 01与1
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if (BeforeDTO is int)
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{
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if (Convert.ToInt32(BeforeDTO) != Convert.ToInt32(AfterDTO))
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{
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IsEqual = false;
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}
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}
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else if (BeforeDTO is short)
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{
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if (Convert.ToInt16(BeforeDTO) != Convert.ToInt16(AfterDTO))
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{
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IsEqual = false;
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}
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}
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else if (BeforeDTO is long)
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{
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if (Convert.ToInt64(BeforeDTO) != Convert.ToInt64(AfterDTO))
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{
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IsEqual = false;
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}
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}
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else if (BeforeDTO is float)
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{
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if (Convert.ToSingle(BeforeDTO) != Convert.ToSingle(AfterDTO))
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{
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IsEqual = false;
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}
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}
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else if (BeforeDTO is double)
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{
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if (Convert.ToDouble(BeforeDTO) != Convert.ToDouble(AfterDTO))
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{
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IsEqual = false;
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}
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}
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else if (BeforeDTO is decimal)
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{
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if (Convert.ToDecimal(BeforeDTO) == Convert.ToDecimal(AfterDTO))
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{
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IsEqual = false;
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}
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}
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}
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else
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{
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var beforeMembers = BeforeDTO.GetType().GetProperties();
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var afterMembers = AfterDTO.GetType().GetProperties();
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for (int i = 0; i < beforeMembers.Length; i++)
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{
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var beforeVal = beforeMembers[i].GetValue(BeforeDTO, null);
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var afterVal = afterMembers[i].GetValue(AfterDTO, null);
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var beforeValue = beforeVal == null ? null : beforeVal.ToString();
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var afterValue = afterVal == null ? null : afterVal.ToString();
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if (beforeValue != afterValue)
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{
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IsEqual = false;
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break;
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}
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}
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}
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return IsEqual;
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}
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}
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}
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}
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