/// <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>
        /// 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);
            }
        }