public override String BuildSql(RequestContext context)
{
if (string.IsNullOrWhiteSpace(Name))
{
throw new ArgumentNullException(nameof(Name));
}
if (string.IsNullOrWhiteSpace(Value))
{
throw new ArgumentNullException(nameof(Value));
}
//Object reqVal = context.RequestParameters.GetValue(Name);
//string str = "";
//if (reqVal != null)
//{
// str = reqVal.ToString();
//}
var executeResult = ExpressoResolver.Instance.Resolve(this.Value, context.ExpressoResolveParameters.ToArray());// codeExecuter.Resolve(this.valueType, this.Value, context.Param);
context.AddOrSetRequestParameter(this.Name, executeResult);
return(string.Empty);
}
public override StringBuilder BuildChildSql(RequestContext context)
{
StringBuilder strBuilder = new StringBuilder();
strBuilder.AppendFormat(" {0} ", Prepend);
strBuilder.Append(Open);
int item_index = 0;
var reqVal = GetPropertyValue(context) as IEnumerable;
//** 目前仅支持子标签为SqlText **
var bodyText = base.BuildChildSql(context).ToString();// (ChildTags[0] as SqlText).BodyText; //为了支持foreach内部条件判断,20190302
//var bodyText = (ChildTags[0] as SqlText).BodyText;
bool hasIndexText = false;
string ParameterPrefix = context.ParameterPrefix;
string ParameterSuffix = context.ParameterSuffix;
string RegexParameterSuffix = "";
if (context.ParameterSuffix != null && context.ParameterSuffix != "")
{
RegexParameterSuffix = @"\" + context.ParameterSuffix;
}
string strRegexIndex = ("(" + ParameterPrefix + "" + Regex.Escape(Index) + @")(?!\w)(\s+(?i)unknown(?-i))?" + RegexParameterSuffix);// ("([?@:]" + Regex.Escape(Index) + @")(?!\w)(\s+(?i)unknown(?-i))?");
if (Index != null && Index != "")
{
hasIndexText = Regex.IsMatch(bodyText
, strRegexIndex //("([?@:]" + Regex.Escape(Index) + @")(?!\w)(\s+(?i)unknown(?-i))?")
, RegexOptions.IgnoreCase | RegexOptions.Multiline | RegexOptions.CultureInvariant); // bodyText.Contains(parameterPrefix + Index);
}
string strRegProperty = @"(" + ParameterPrefix + @"item.(?<PROPERTY>\S+)\b)(\s+(?i)unknown(?-i))?" + RegexParameterSuffix; //@"([?@:]item.(?<PROPERTY>\S+)\b)(\s+(?i)unknown(?-i))?";
Regex regProperty = new Regex(strRegProperty, RegexOptions.IgnoreCase | RegexOptions.Multiline);
MatchCollection matches = regProperty.Matches(bodyText.Trim());
Dictionary <string, string> propertyNames = new Dictionary <string, string>();
foreach (Match match in matches)
{
string PROPERTYALL = match.Groups[0].Value;
string PROPERTY = match.Groups["PROPERTY"].Value;
if (!string.IsNullOrEmpty(PROPERTY) && !propertyNames.ContainsKey(PROPERTYALL))
{
propertyNames.Add(PROPERTYALL, PROPERTY);
}
//GroupCollection groups = match.Groups;
//Response.Write(string.Format("<br/>{0} 共有 {1} 个分组：{2}<br/>"
// , match.Value, groups.Count, strPatten));
//提取匹配项内的分组信息
//for (int i = 0; i < groups.Count; i++)
//{
// ddd1 = (
// string.Format("分组 {0} 为 {1}，位置为 {2}，长度为 {3}<br/>"
// , i
// , groups[i].Value
// , groups[i].Index
// , groups[i].Length));
//}
}
string key_name = "";
string param_name = "";
string item_sql = "";
object ovalue = null;
foreach (var itemVal in reqVal)
{
key_name = "";
item_sql = bodyText;
if (item_index > 0)
{
strBuilder.AppendFormat(" {0} ", Separator);
}
if (hasIndexText == true)
{
key_name = string.Format("{0}{1}{2}{3}{4}", ParameterPrefix, Index, FOR_KEY_SUFFIX, item_index, ParameterSuffix);
param_name = string.Format("{0}{1}{2}", Index, FOR_KEY_SUFFIX, item_index);
//context.RequestParameters.Add(param_name, item_index);
context.AddOrSetRequestParameter(param_name, item_index);
item_sql = Regex.Replace(item_sql
, strRegexIndex //("([?@:]" + Regex.Escape(Index) + @")(?!\w)(\s+(?i)unknown(?-i))?")
, key_name
, RegexOptions.IgnoreCase | RegexOptions.Multiline | RegexOptions.CultureInvariant);
}
if (propertyNames.Count > 0)
{
foreach (var propertyName in propertyNames)
{
key_name = string.Format("{0}{1}{2}{3}{4}", ParameterPrefix, propertyName.Value.Replace(".", "_"), FOR_KEY_SUFFIX, item_index, ParameterSuffix);
ovalue = itemVal.GetValue(propertyName.Value);
param_name = string.Format("{0}{1}{2}", propertyName.Value.Replace(".", "_"), FOR_KEY_SUFFIX, item_index);
//context.RequestParameters.Add(param_name, ovalue);
context.AddOrSetRequestParameter(param_name, ovalue);
item_sql = item_sql.Replace(propertyName.Key, key_name);
}
}
else
{
key_name = string.Format("{0}{1}{2}{3}{4}", ParameterPrefix, Item, FOR_KEY_SUFFIX, item_index, ParameterSuffix);
param_name = string.Format("{0}{1}{2}", Item, FOR_KEY_SUFFIX, item_index);
//context.RequestParameters.Add(param_name, itemVal);
context.AddOrSetRequestParameter(param_name, itemVal);
item_sql = Regex.Replace(item_sql
, ("(" + ParameterPrefix + "" + Regex.Escape(Item) + @")(?!\w)(\s+(?i)unknown(?-i))?" + RegexParameterSuffix) //("([?@:]" + Regex.Escape(Item) + @")(?!\w)(\s+(?i)unknown(?-i))?")
, key_name
, RegexOptions.IgnoreCase | RegexOptions.Multiline | RegexOptions.CultureInvariant);
}
strBuilder.AppendFormat("{0}", item_sql);
item_index++;
}
strBuilder.Append(Close);
return(strBuilder);
}
