using System; using System.Text; namespace Ant.ORM { /// <summary> ///string�����ࡣ /// </summary> public class StringPlus { StringBuilder str; public string Value { get { return str.ToString(); } } public StringPlus() { str=new StringBuilder(); } public StringPlus(string s) { str = new StringBuilder(s); } #region ����Tab�ո��������� /// <summary> /// ����Tab�ո��������� /// </summary> /// <param name="num">�����</param> /// <returns></returns> public string Space(int SpaceNum) { StringBuilder strspace=new StringBuilder(); for(int n=0;n<SpaceNum;n++) { strspace.Append("\t"); } return strspace.ToString(); } #endregion #region �����ı� /// <summary> /// �����ı� /// </summary> /// <param name="num"></param> /// <returns></returns> public string Append(string Text) { str.Append(Text); return str.ToString(); } /// <summary> /// �����ı� /// </summary> /// <param name="num"></param> /// <returns></returns> public string Append(StringPlus s) { str.Append(s.ToString()); return str.ToString(); } /// <summary> /// ��ͨ���������ϸ�ʽ�ַ��������������������ϸ�ʽ����ص��ַ����ӵ���ʵ����ÿ����ʽ��滻Ϊ�β���������Ӧʵ�ε��ַ�����ʾ��ʽ�� /// </summary> /// <param name="Text"></param> /// <param name="obj"></param> /// <returns></returns> public string AppendFormat(string Text, params object[] obj) { str.AppendFormat(Text, obj); return str.ToString(); } #endregion #region ��һ���ı������س����С� /// <summary> /// �ӻس����С� /// </summary> public string AppendLine() { str.Append("\r\n"); return str.ToString(); } /// <summary> /// ��һ���ı������س����С� /// </summary> /// <param name="Text">�ı�</param> /// <returns></returns> public string AppendLine(string Text) { str.Append(Text + "\r\n"); return str.ToString(); } #endregion #region ��һ���ı���ǰ��ӿո�������������س����С� /// <summary> /// ��һ���ı���ǰ��ӿո����� /// </summary> /// <param name="SpaceNum">�ո�������Ŀ</param> /// <param name="Text">�ı�</param> /// <returns></returns> public string AppendSpace(int SpaceNum, string Text) { str.Append(Space(SpaceNum)); str.Append(Text); return str.ToString(); } /// <summary> /// ��һ���ı���ǰ��ӿո�������������س����С� /// </summary> /// <param name="SpaceNum">�ո�������Ŀ</param> /// <param name="Text">�ı�</param> /// <returns></returns> public string AppendSpaceLine(int SpaceNum,string Text) { str.Append(Space(SpaceNum)); str.Append(Text); str.Append("\r\n"); return str.ToString(); } public override string ToString() { return str.ToString(); } #endregion #region ɾ���ַ� /// <summary> /// ɾ������β��һ������ /// </summary> public void DelLastComma() { string strtemp = str.ToString().Trim(); if (strtemp.EndsWith(",")) { strtemp = strtemp.TrimEnd(','); str = new StringBuilder(); str.Append(strtemp); } } /// <summary> /// ɾ������β��ָ���ַ�����ַ� /// </summary> public void DelLastChar(string strchar) { string strtemp = str.ToString(); int n = strtemp.LastIndexOf(strchar); if (n > 0) { str = new StringBuilder(); str.Append(strtemp.Substring(0, n)); } } /// <summary> /// ɾ��ָ��λ�õ��ַ� /// </summary> /// <param name="Start">��ʼ����</param> /// <param name="Num">ɾ������</param> public void Remove(int Start, int Num) { //string strtemp = str.ToString(); //str = new StringBuilder(); //str.Append(strtemp.Substring(0, strtemp.LastIndexOf(strchar))); str.Remove(Start, Num); } #endregion } }