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- 增加 ToDataTableByPropertyName 动态查询功能；

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This commit is contained in:
2881099
2021-12-09 19:13:15 +08:00
parent 8a83fea60a
commit bbaf947bb0
5 changed files with 37 additions and 192 deletions
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19
FreeSql/Internal/CommonProvider/SelectProvider/Select0ProviderReader.cs
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@ -19,6 +19,25 @@ namespace FreeSql.Internal.CommonProvider
{
partial class Select0Provider<TSelect, T1>
{
public DataTable ToDataTableByPropertyName(string[] properties)
{
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 ToDataTable(sbfieldStr);
}
public DataTable ToDataTable(string field = null)
{
DataTable ret = null;