/// <summary> /// 每条数据插入到数据库中 /// </summary> /// <param name="carNum">车号</param> /// <param name="liaoKou">料口</param> /// <param name="jingDun">净吨</param> /// <param name="riQi">手动输入的日期</param> private bool InsertToSql(string carNum,string liaoKou,string dunshu,string riQi) { //根据车号查询车主姓名、超吨 string sql_sel = "select chezhu,beizhu from lz_chezhu where chehao='"+carNum+"'"; DBClass db = new DBClass(); DataTable dt_chezhu = db.DsGetinfo(sql_sel).Tables[0]; string chezhu = "新车主"; string xiandun = "999"; if (dt_chezhu.Rows.Count>0) { chezhu = dt_chezhu.Rows[0]["chezhu"].ToString(); xiandun = dt_chezhu.Rows[0]["beizhu"].ToString(); } decimal xiandun_inp = 0; decimal dunshu_inp = 0; decimal chaodun=0; //净吨和超吨必须是小数 if (!decimal.TryParse(dunshu,out dunshu_inp)||!decimal.TryParse(xiandun,out xiandun_inp)) { MessageBox.Show("所读取的数据类型有误!","错误"); return false; } decimal jingdun = dunshu_inp; if (dunshu_inp > xiandun_inp) { jingdun = xiandun_inp; chaodun = dunshu_inp - xiandun_inp; } //插入数据库 string sql_ins = "insert into lz_data values('"+chezhu+"','"+carNum+"','"+riQi+"','"+liaoKou+"','"+dunshu_inp.ToString()+"','"+chaodun+"','"+jingdun+"','0')"; int i = db.Executeinfo(sql_ins); if (i>0) { return true; } else { return false; } }
/// <summary> /// 根据sql语句获取数据库中数据,并返回泛型数据数组 /// </summary> /// <param name="cmd">查询语句</param> /// <returns>泛型数组</returns> private List<string> getSqlData(string cmd,string column) { List<string> sqlData = new List<string>(); DBClass db = new DBClass(); SqlDataReader sDR = db.SqlGetinfo(cmd); while (sDR.Read()) { sqlData.Add(sDR[column].ToString()); } sDR.Close(); return sqlData; }
/// <summary> /// 导入主方法 /// </summary> private void importToSql() { GetTextValue(cboFileName); string FilePath = controlTextValue; if (File.Exists(FilePath))//存在此文件 { SetSumLabelValue("正在确认导入的车辆总数···"); //HtmlAgilityPack自带加载html为htmlDocument HtmlAgilityPack.HtmlDocument hd = new HtmlAgilityPack.HtmlDocument(); hd.Load(FilePath, UTF8Encoding.UTF8); HtmlNode rootNode = hd.DocumentNode; HtmlNodeCollection categoryNodeList = rootNode.SelectNodes("//font[@*]");//根据xpath获取节点树 if (categoryNodeList == null) { return; } //foreach读取效率比for、while高 //for (int i = categoryNodeList.Count-1; i >=0; i--) //{ // if (categoryNodeList[i].InnerText.Contains("车数")) // { // CountTemp = Int32.Parse(categoryNodeList[i + 1].InnerText.Trim()); // break; // } //} foreach (HtmlNode item in categoryNodeList) { if (item.InnerText.Contains("车数")) { CountTemp = Int32.Parse(categoryNodeList[categoryNodeList.IndexOf(item) + 1].InnerText.Trim()); break; } } SetSumLabelValue("需要导入的总车数为: "+CountTemp); SetControl(btnStop, true); //从数据库中查询最大id作为统计标记 string sqlId = "select max(id) as 'id' from lz_data"; DBClass db = new DBClass(); DataTable dt = db.DsGetinfo(sqlId).Tables[0]; idTemp = dt.Rows[0]["id"].ToString(); //从数据库中获取需要查对的料口数据 List<string> liaokouData = getSqlData("select liaokou from lz_liaokou", "liaokou"); //条数标记 int flag = 0; //遍历HtmlNodeCollection中的每一个标签内的内容,获取需要插入的数据 foreach (HtmlNode item in categoryNodeList) { if (item.InnerText.Trim() != "") { //判断车号:三位整数 string strTemp = item.InnerText.Trim(); int intTemp = 0; if (strTemp.Length == 3 && Int32.TryParse(strTemp, out intTemp)) { //判断料口:去前两位与数据库中比较,如果是三堆,则在车号前加‘*’ if (categoryNodeList.IndexOf(item) + 2>=categoryNodeList.Count) { break; } string liaokouTemp1 = categoryNodeList[categoryNodeList.IndexOf(item) + 2].InnerText.Trim(); int pageDown=categoryNodeList.IndexOf(item) - 17; if (pageDown>=categoryNodeList.Count) { break; } if (liaokouTemp1.Length == 4)//infoCheck(liaokouData,liaokouTemp1))//如果存在,则是料口 { //如果料口和车号的索引固定(未翻页),可确定其他数据的索引 liaokouTemp1 = liaokouTemp1.Substring(0, 2); if (liaokouTemp1 == "三堆") { strTemp = "*" + strTemp; } //判断称重:长度为6位的小数 string chengzhongTemp = categoryNodeList[categoryNodeList.IndexOf(item) + 5].InnerText.Trim(); decimal czTemp = 0; if (chengzhongTemp.Length == 6 && decimal.TryParse(chengzhongTemp, out czTemp)) { //判断日期:长度13位或者14位 string riqiTemp = categoryNodeList[categoryNodeList.IndexOf(item) + 10].InnerText.Trim(); string riqiIns = getDate(riqiTemp); bool b = InsertToSql(strTemp, liaokouTemp1, chengzhongTemp, riqiIns); if (b == true) { flag++; //在richtextbox显示导入的数据 SetRichTextBoxValue(flag + " - " + strTemp + " - " + liaokouTemp1 + " - " + chengzhongTemp + " - " + riqiIns + "\n"); SetLabelValue(flag); SetProcessBarValue(flag,CountTemp); } else { this.Text = "存在未导入数据,请审核!"; } } } else if (categoryNodeList[categoryNodeList.IndexOf(item) - 17].InnerText.Trim().Length == 4)//翻页时 { liaokouTemp1 = categoryNodeList[categoryNodeList.IndexOf(item) - 17].InnerText.Trim(); //如果料口和车号的索引固定(未翻页),可确定其他数据的索引 liaokouTemp1 = liaokouTemp1.Substring(0, 2); if (liaokouTemp1 == "三堆") { strTemp = "*" + strTemp; } //判断称重:长度为6位的小数 string chengzhongTemp = categoryNodeList[categoryNodeList.IndexOf(item) - 14].InnerText.Trim(); decimal czTemp = 0; if (chengzhongTemp.Length == 6 && decimal.TryParse(chengzhongTemp, out czTemp)) { //判断日期:长度13位或者14位 string riqiTemp = categoryNodeList[categoryNodeList.IndexOf(item) + 4].InnerText.Trim(); string riqiIns = getDate(riqiTemp); bool b = InsertToSql(strTemp, liaokouTemp1, chengzhongTemp, riqiIns); if (b == true) { flag++; //int valueTemp = flag / CountTemp * 100; //在richtextbox显示导入的数据 SetRichTextBoxValue(flag + " - " + strTemp + " - " + liaokouTemp1 + " - " + chengzhongTemp + " - " + riqiIns + "\n"); SetLabelValue(flag); SetProcessBarValue(flag,CountTemp); } else { this.Text = "存在未导入数据,请审核后导入!"; } } } } } } //遍历完毕,统计数据库中本次录入的车数和吨数(根据ID) string sqlCount = "select count(id) as 'cheshu',sum(dunshu) as 'dunshu' from lz_data where id>'" + idTemp + "'"; SqlDataReader dr = db.SqlGetinfo(sqlCount); if (dr.Read()) { SetSumLabelValue("导入合计:" + dr["cheshu"].ToString() + " 车 " + dr["dunshu"].ToString() + " 吨"); } //如果操作有误,可放弃保存本次导入的数据 DialogResult dr2 = MessageBox.Show("导入完成 "+dr["cheshu"].ToString()+" 车 "+dr["dunshu"].ToString()+"吨,\n请确定后保存?", "提示", MessageBoxButtons.YesNo, MessageBoxIcon.Warning); if (dr2 == DialogResult.No) { string sqlDel = "delete from lz_data where id>'" + idTemp + "'"; int ires = db.Executeinfo(sqlDel); if (ires > 0) { SetSumLabelValue( "已删除" + ires.ToString() + "条,未做任何更改"); SetProcessBarValue(0, CountTemp); SetLabelValue(0); SetRichTextBoxValue("已删除" + ires.ToString() + "条,未做任何更改"); } } SetControl(btnImport, true); SetControl(btnExit, true); SetControl(btnStop, false); } }
/// <summary> /// 终止导入,并删除已经导入的数据 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void btnStop_Click(object sender, EventArgs e) { //挂起导入线程 t.Suspend(); DialogResult drStop = MessageBox.Show("确定终止导入吗", "提示", MessageBoxButtons.YesNo, MessageBoxIcon.Information); if (drStop==DialogResult.Yes) { DBClass db = new DBClass(); string sqlDel = "delete from lz_data where id>'" + idTemp + "'"; int ires = db.Executeinfo(sqlDel); if (ires >= 0) { SetSumLabelValue("已删除" + ires.ToString() + "条,未做任何更改"); SetRichTextBoxValue("已删除" + ires.ToString() + "条,未做任何更改\r"); SetControl(btnStop, false); SetControl(btnImport, true); SetControl(btnExit, true); SetProcessBarValue(0, CountTemp); SetLabelValue(0); } } else { t.Resume(); } }