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- 增加 ToDataTableByPropertyNameAsync 方法；

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This commit is contained in:
2881099
2021-12-10 12:21:10 +08:00
parent 487913f7ef
commit d39c72df2c
3 changed files with 239 additions and 183 deletions
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19
FreeSql/Internal/CommonProvider/SelectProvider/Select0ProviderReader.cs
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@ -919,6 +919,25 @@ namespace FreeSql.Internal.CommonProvider
#region Async
#if net40
#else
public Task<DataTable> ToDataTableByPropertyNameAsync(string[] properties, CancellationToken cancellationToken)
{
if (properties?.Any() != true) throw new ArgumentException($"properties 参数不能为空");
var sbfield = new StringBuilder();
for (var propIdx = 0; propIdx < properties.Length; propIdx++)
{
var property = properties[propIdx];
var exp = ConvertStringPropertyToExpression(property);
if (exp == null) throw new Exception($"{property} 属性名无法找到");
var field = _commonExpression.ExpressionSelectColumn_MemberAccess(_tables, null, SelectTableInfoType.From, exp, true, null);
if (propIdx > 0) sbfield.Append(", ");
sbfield.Append(field);
//if (field != property)
sbfield.Append(_commonUtils.FieldAsAlias(_commonUtils.QuoteSqlName("test").Replace("test", property)));
}
var sbfieldStr = sbfield.ToString();
sbfield.Clear();
return ToDataTableAsync(sbfieldStr, cancellationToken);
}
async public Task<DataTable> ToDataTableAsync(string field, CancellationToken cancellationToken)
{
DataTable ret = null;