/// <summary>
/// 模糊匹配（like %value%，自动忽略空或空文本）。
/// </summary>
/// <param name="operator">逻辑操作符。</param>
/// <param name="field">列，例：aa</param>
/// <param name="value">文本内容</param>
/// <returns></returns>
public virtual IWhereExpression Like(WhereOperators @operator, string field, string value)
{
if (!string.IsNullOrEmpty(field))
{
return(WhereIf(_dialect.LikeGrammar(field, true, true, false), value, @operator, p => _dialect.LikeValueFilter(p, true, true, false)));
}
return(this);
}