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namespace NSExt.Extensions;
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public static class DbCommandExtensions
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{
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/// <summary>
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/// 格式化参数拼接成完整的SQL语句
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/// </summary>
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/// <returns></returns>
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public static string ParameterFormat(this DbCommand me)
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{
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//var aa = pars.ToDictionary(it => it.ParameterName, it => it.Value);
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var sql = me.CommandText;
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//应逆向替换,否则由于 多个表的过滤器问题导致替换不完整 如 @TenantId1 @TenantId10
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for (var i = me.Parameters.Count - 1; i >= 0; i--)
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sql = me.Parameters[i].DbType switch {
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DbType.String or DbType.DateTime or DbType.Date or DbType.Time or DbType.DateTime2
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or DbType.DateTimeOffset or DbType.Guid or DbType.VarNumeric or DbType.AnsiStringFixedLength
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or DbType.AnsiString
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or DbType.StringFixedLength => sql.Replace(me.Parameters[i].ParameterName,
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"'" + me.Parameters[i].Value + "'"),
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DbType.Boolean => sql.Replace(me.Parameters[i].ParameterName,
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Convert.ToBoolean(me.Parameters[i].Value) ? "1" : "0"),
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_ => sql.Replace(me.Parameters[i].ParameterName, me.Parameters[i].Value?.ToString())
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};
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return sql;
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}
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}
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