winfrom模拟表单同步数据、上传文件(.net core)

通过这篇文章得到灵感 https://blog.csdn.net/sh2015yao/article/details/39317299

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Net.Http.Headers;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using Newtonsoft.Json;namespace hepu
{public partial class Form1 : Form{public Form1(){InitializeComponent();}private void timer1_Tick(object sender, EventArgs e){}//通过http请求到netcore 传数据private void button1_Click(object sender, EventArgs e){SqlHelp help = new SqlHelp();string start = DateTime.Now.AddDays(-1).ToString("yyyy-MM-dd");string end = DateTime.Now.AddHours(1).ToString("yyyy-MM-dd");string Sqlstr = "select Barcode from HaveSynchronous where time BETWEEN '" + start + "' and '" + end + "'";//DataTable dt = help.ExcuteQuery("SqlServer", Sqlstr);SqliteHelp lite = new SqliteHelp();DataTable dt = lite.GetDataTable(Sqlstr, null);string aa = "";if (dt.Rows.Count > 0){StringBuilder sb = new StringBuilder();for (int i = 0; i < dt.Rows.Count; i++){sb.Append("'" + dt.Rows[i]["Barcode"].ToString() + "',");}aa = sb.ToString();aa = aa.Substring(0, aa.Length - 1);}string Accstr = "";if (!string.IsNullOrEmpty(aa)){Accstr = " SELECT a.patientid,a.exampart,b.baogaoyisheng,b.suojian_txt,b.tishi_txt,b.basic_info_id from basic_info a left join medicalrecords b on a.basic_info_id = b.basic_info_id where a.patientid not in(" + aa + ")";}else{Accstr = " SELECT a.patientid,a.exampart,b.baogaoyisheng,b.suojian_txt,b.tishi_txt,b.basic_info_id from basic_info a left join medicalrecords b on a.basic_info_id = b.basic_info_id ";}DataTable Accdt = help.ExcuteQuery("Access", Accstr);StringBuilder Accsb = new StringBuilder();string bb = "";if (Accdt.Rows.Count > 0){StringBuilder sb = new StringBuilder();for (int i = 0; i < Accdt.Rows.Count; i++){foreach (DataRow dr in Accdt.Rows){//这里必须要做对datatable中字段的非空判断，如果有空值  无法调用webapiif (dr["name"] == DBNull.Value || dr["name"].ToString() ==""){dr["name"] = "空";}if (dr["sex"] == DBNull.Value || dr["sex"].ToString() == ""){dr["sex"] = "空";}if (dr["age"] == DBNull.Value || dr["age"].ToString() == ""){dr["age"] = "空";}}string data = DateTime.Now.ToString("yyyy-MM-dd");string url = @"C:\Data\JPG\" + data + "" + "\\";Accsb.Append(url + Accdt.Rows[i]["patientid"].ToString() + "00001.jpg" + ",");Accsb.Append(url + Accdt.Rows[i]["patientid"].ToString() + "00002.jpg" + ",");}bb = Accsb.ToString();bb = bb.Substring(0, bb.Length - 1);//MessageBox.Show(bb);}DataTable result = help.ExcuteQuery("Access", Accstr);string dataResult = JsonConvert.SerializeObject(result);string qq = HttpApi("https://localhost:44386/weatherforecast/Synchronous", dataResult);if (qq != "OK"){MessageBox.Show("系统异常，请重启软件");return;}else{MessageBox.Show("11111111");}//同步成功后  在本地记录已经同步过的数据List<string> strsql = new List<string>();for (int i = 0; i < Accdt.Rows.Count; i++){string sql = $"insert into HaveSynchronous values('{Accdt.Rows[i]["patientid"]}','" + DateTime.Now.ToString("yyyy-MM-dd hh:mm:ss") + "');";strsql.Add(sql);}bool resultSqlite = lite.ExecuteNonQuery(strsql);if (!resultSqlite){//这里应该建个异常表   如果没添加成功  记录没有添加成功的数据}}/// <summary>       /// 调用api返回json       /// /// </summary>       /// /// <param name="url">api地址</param>       /// /// <param name="jsonstr">接收参数</param>       /// /// <param name="type">类型</param>       /// /// <returns></returns>       public string HttpApi(string url, string jsonstr){string result = "";try{HttpWebRequest webrequest = (HttpWebRequest)HttpWebRequest.Create(url);webrequest.Method = "post";webrequest.ContentType = "application/json;charset=utf-8";byte[] postdatabyte = Encoding.UTF8.GetBytes(jsonstr);webrequest.ContentLength = postdatabyte.Length;Stream stream;stream = webrequest.GetRequestStream();stream.Write(postdatabyte, 0, postdatabyte.Length);stream.Close();using (var httpWebResponse = webrequest.GetResponse())using (StreamReader responseStream = new StreamReader(httpWebResponse.GetResponseStream())){String ret = responseStream.ReadToEnd();result = ret.ToString();}return result;}catch (Exception ex){result = ex.ToString();return result;}}//通过模拟表单上传文件   到net core的apiprivate void button2_Click(object sender, EventArgs e){HttpWebRequest webReq = (HttpWebRequest)WebRequest.Create("https://localhost:44386/weatherforecast/Upload");webReq.Method = "POST";//webReq.ContentType = "application/x-www-form-urlencoded";webReq.Accept = "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8";webReq.KeepAlive = true;webReq.UserAgent = "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/31.0.1650.57 Safari/537.36";string boundary = "----" + DateTime.Now.Ticks.ToString("x");string formdataTemplate = "--" + boundary + "\r\nContent-Disposition: form-data; name=\"{0}\"; filename=\"{1}\"\r\nContent-Type: application/octet-stream\r\n\r\n";string dataTemplate = "\r\n--" + boundary + "\r\nContent-Disposition: form-data; name=\"{0}\"\r\n\r\n{1}";var formdata = string.Format(formdataTemplate, "Filedata", @"D:\111111\111.jpg" /*Path.GetFileName(fileName)*/);webReq.ContentType = string.Format("multipart/form-data; boundary={0}", boundary);//文件头var formdataByte = Encoding.ASCII.GetBytes(formdata);//尾var footer = Encoding.ASCII.GetBytes("\r\n--" + boundary + "--\r\n");var streamByte = File.ReadAllBytes(@"D:\FILE\111.jpg");Stream requestStream = webReq.GetRequestStream();requestStream.Write(formdataByte, 0, formdataByte.Length);//写入 文件头requestStream.Write(streamByte, 0, streamByte.Length);//写入 文件var dataByte1 = Encoding.ASCII.GetBytes(string.Format(dataTemplate, "type", "memberHead"));requestStream.Write(dataByte1, 0, dataByte1.Length);//写入 参数1var dataByte2 = Encoding.ASCII.GetBytes(string.Format(dataTemplate, "tid", 48650));requestStream.Write(dataByte2, 0, dataByte2.Length);//写入 参数2var dataByte3 = Encoding.ASCII.GetBytes(string.Format(dataTemplate, "uid", 48650));requestStream.Write(dataByte3, 0, dataByte3.Length);//写入 参数3var dataByte4 = Encoding.ASCII.GetBytes(string.Format(dataTemplate, "Filename", @"D:\FILE\111.jpg"));requestStream.Write(dataByte4, 0, dataByte4.Length);//写入 参数4var dataByte5 = Encoding.ASCII.GetBytes(string.Format(dataTemplate, "Upload", "Submit Query"));requestStream.Write(dataByte5, 0, dataByte5.Length);//写入 参数5requestStream.Write(footer, 0, footer.Length);//写入 尾requestStream.Close();HttpWebResponse response = (HttpWebResponse)webReq.GetResponse();StreamReader sr = new StreamReader(response.GetResponseStream(), Encoding.UTF8);string aa = sr.ReadToEnd();MessageBox.Show(aa);sr.Close();response.Close();}}
}

net core api

using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net.Http.Headers;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Logging;
using Newtonsoft.Json;namespace Synchronous.Controllers
{[ApiController][Route("[controller]/[action]")]public class WeatherForecastController : ControllerBase{//接收数据[HttpPost]public string Synchronous(List<Model> model){//Model是一个实体类string backResult = "";List<string> strsql = new List<string>();for (int i = 0; i < model.Count; i++){string sql = $"update Jktjb_2020 set bchao='{model[i].exampart}',bcyc='{model[i].suojian_txt}',bcms='{model[i].tishi_txt}',bcys='{model[i].baogaoyisheng}' where 条码号='{model[i].patientid}'";strsql.Add(sql);}SqlHelp help = new SqlHelp();bool result= help.ExcuteSqlTran("SqlServer", strsql);if (result){backResult= "OK";}else{backResult = "NO";}return backResult;}//[HttpPost]//public string  UploadFiles(IList<IFormFile> files)//{//    long size = 0;//    foreach (var file in files)//    {//        var filename = ContentDispositionHeaderValue//                        .Parse(file.ContentDisposition)//                       .FileName//                       .Trim('"');//        filename = @"D:\111111" + $@"\{filename}";//        size += file.Length;//        using (FileStream fs = System.IO.File.Create(filename))//        {//            file.CopyTo(fs);//            fs.Flush();//        }//    }//    return "ok";//}//接收文件[HttpPost]public string Upload(IFormCollection Files, int EntId, int CrtUser){try{//var form = Request.Form;//直接从表单里面获取文件名不需要参数string dd = Files["Filedata"];var form = Files;//定义接收类型的参数Hashtable hash = new Hashtable();IFormFileCollection cols = Request.Form.Files;if (cols == null || cols.Count == 0){return JsonConvert.SerializeObject(new { status = -1, message = "没有上传文件", data = hash });}foreach (IFormFile file in cols){//定义图片数组后缀格式string[] LimitPictureType = { ".JPG", ".JPEG", ".GIF", ".PNG", ".BMP" };//获取图片后缀是否存在数组中string currentPictureExtension = Path.GetExtension(file.FileName).ToUpper();if (LimitPictureType.Contains(currentPictureExtension)){//为了查看图片就不在重新生成文件名称了// var new_path = DateTime.Now.ToString("yyyyMMdd")+ file.FileName;var new_path = Path.Combine("D:\\111111", file.FileName);//第一个参数没用var path = Path.Combine(Directory.GetCurrentDirectory(), new_path);using (var stream = new FileStream(path, FileMode.Create)){//图片路径保存到数据库里面去//bool flage = QcnApplyDetm.FinancialCreditQcnApplyDetmAdd(EntId, CrtUser, new_path);//if (flage == true)//{//再把文件保存的文件夹中file.CopyTo(stream);hash.Add("file", "/" + new_path);//}}}else{return JsonConvert.SerializeObject(new { status = -2, message = "请上传指定格式的图片", data = hash });}}return JsonConvert.SerializeObject(new { status = 0, message = "上传成功", data = hash });}catch (Exception ex){return JsonConvert.SerializeObject(new { status = -3, message = "上传失败", data = ex.Message });}}}
}

sqlhelp

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using System.Configuration;
using System.Text;
using System.Data;
using System.Data.SqlClient;
using System.Data.OleDb;
using System.Diagnostics;
using System.Collections;namespace Synchronous
{public class SqlHelp{#region 数据库连接字段(web.config来配置)public string ConnectStringAcc { get; set; }public string ConnectStringSql { get; set; }//public string ConnectStringOrl { get; set; }public SqlHelp(){ConnectStringSql = @"server=SKY-20191127ETS\SQLSERVER2017;Integrated Security=True;Persist Security Info=True;Database=F:\赫普智慧云医疗.MDF;user id=sa;password=123;pooling=false";//ConnectStringAcc = ConfigurationManager.ConnectionStrings["acc"].ConnectionString;//ConnectStringOrl = ConfigurationManager.AppSettings["ConnectStringOrl"];}#endregion#region  创建Connectionprivate IDbConnection GetConnection(string DbType){switch (DbType){case "SqlServer":return new SqlConnection(ConnectStringSql);//case "Oracle"://    return new OracleConnection(ConnectStringOrl);case "Access":return new OleDbConnection(ConnectStringAcc);default:return new SqlConnection(ConnectStringSql);}}#endregion#region  创建Commandprivate IDbCommand GetCommand(string DbType, string sql, IDbConnection iConn){switch (DbType){case "SqlServer":return new SqlCommand(sql, (SqlConnection)iConn);//case "Oracle"://    return new OracleCommand(sql, (OracleConnection)iConn);case "Access":return new OleDbCommand(sql, (OleDbConnection)iConn);default:return new SqlCommand(sql, (SqlConnection)iConn);}}private IDbCommand GetCommand(string DbType){switch (DbType){case "SqlServer":return new SqlCommand();//case "Oracle"://    return new OracleCommand();case "Access":return new OleDbCommand();default:return new SqlCommand();}}#endregion#region 创建Adapterprivate IDataAdapter GetAdapter(string DbType, string sql, IDbConnection iConn){switch (DbType){case "SqlServer":return new SqlDataAdapter(sql, (SqlConnection)iConn);//case "Oracle"://    return new OracleDataAdapter(sql, (OracleConnection)iConn);case "Access":return new OleDbDataAdapter(sql, (OleDbConnection)iConn);default:return new SqlDataAdapter(sql, (SqlConnection)iConn);}}private IDataAdapter GetAdapter(string DbType, IDbCommand iCmd){switch (DbType){case "SqlServer":return new SqlDataAdapter((SqlCommand)iCmd);//case "Oracle"://    return new OracleDataAdapter((OracleCommand)iCmd);case "Access":return new OleDbDataAdapter((OleDbCommand)iCmd);default:return new SqlDataAdapter((SqlCommand)iCmd);}}#endregion#region 执行数据库表操作public IDataReader ExecuteReader(string DbType, string SqlString){IDbConnection iConn = GetConnection(DbType);{iConn.Open();IDbCommand iCmd = GetCommand(DbType);{try{PrepareCommand(DbType, out iCmd, iConn, null, SqlString, null);IDataReader iReader = iCmd.ExecuteReader();return iReader;}catch (Exception ex){throw new Exception(ex.Message);}finally{iCmd.Dispose();}}}}private void PrepareCommand(string DbType, out IDbCommand iCmd, IDbConnection iConn, IDbTransaction iTrans, string cmdText, IDataParameter[] iParms){if (iConn.State != ConnectionState.Open){iConn.Open();}iCmd = GetCommand(DbType);iCmd.Connection = iConn;iCmd.CommandText = cmdText;if (iTrans != null){iCmd.Transaction = iTrans;}iCmd.CommandType = CommandType.Text; //cmdTypeif (iParms != null){foreach (IDataParameter parm in iParms){iCmd.Parameters.Add(parm);}}}//执行查询语句，返回DataSet，重点用于Oracle数据库/// <summary>/// 执行查询语句，返回DataSet，重点用于Oracle数据库/// </summary>/// <param name="DbType"></param>/// <param name="SqlString"></param>/// <returns></returns>public DataSet Query(string DbType, string SqlString){using (IDbConnection iConn = GetConnection(DbType)){DataSet Ds = new DataSet();iConn.Open();try{IDataAdapter iAdapter = GetAdapter(DbType, SqlString, iConn);iAdapter.Fill(Ds);return Ds;}catch (Exception ex){throw new Exception(ex.Message);}finally{if (iConn.State != ConnectionState.Closed){iConn.Close();}}}}//执行查询语句，返回DataTable，重点用于Oracle数据库/// <summary>/// 执行查询语句，返回DataTable，重点用于Oracle数据库/// </summary>/// <param name="DbType"></param>/// <param name="SqlString"></param>/// <returns></returns>public DataTable ExcuteQuery(string DbType, string SqlString){using (IDbConnection iConn = GetConnection(DbType)){DataSet Ds = new DataSet();iConn.Open();try{IDataAdapter iAdapter = GetAdapter(DbType, SqlString, iConn);iAdapter.Fill(Ds);}catch (Exception ex){throw new Exception(ex.Message);}finally{if (iConn.State != ConnectionState.Closed){iConn.Close();}}return Ds.Tables[0];}}//执行数据库表操作，重点用于SqlServer数据库/// <summary>/// 执行数据库表操作，重点用于SqlServer数据库  Update、Insert和Delete语句/// </summary>/// <param name="DbType"></param>/// <param name="SqlString"></param>public void ExcuteSqlScalar(string DbType, string SqlString){using (IDbConnection iConn = GetConnection(DbType)){using (IDbCommand iCmd = GetCommand(DbType, SqlString, iConn)){iConn.Open();iCmd.ExecuteNonQuery();}}}/// <summary>/// 返回受影响行数   int/// </summary>/// <param name="DbType"></param>/// <param name="SqlString"></param>/// <returns></returns>public int ExcuteSqlNum(string DbType, string SqlString){using (IDbConnection iConn = GetConnection(DbType)){using (IDbCommand iCmd = GetCommand(DbType, SqlString, iConn)){iConn.Open();int i = (int)iCmd.ExecuteScalar();return i;}}}/// <summary>/// 返回受影响行数    bool   /// </summary>/// <param name="DbType"></param>/// <param name="SqlString"></param>/// <returns></returns>public bool ExcuteSql(string DbType, string SqlString){bool result=false;using (IDbConnection iConn = GetConnection(DbType)){using (IDbCommand iCmd = GetCommand(DbType, SqlString, iConn)){iConn.Open();try{int Rows = (int)iCmd.ExecuteScalar();if (Rows>0){result= true;}}catch (Exception ex){result=false;}finally{if (iConn.State != ConnectionState.Closed){iConn.Close();}}}return result;}}//删除数据public void DeleGet(string DbType, string SqlString){using (IDbConnection iConn = GetConnection(DbType)){using (IDbCommand iCmd = GetCommand(DbType, SqlString, iConn)){iConn.Open();iCmd.ExecuteNonQuery();}}}#endregion#region 执行多条SQL语句，实现数据库事物/// <summary>/// Update、Insert和Delete语句    执行多条语句   事务/// </summary>/// <param name="DbType"></param>/// <param name="SqlStringList">多条SQL语句</param>/// <returns></returns>public bool ExcuteSqlTran(string DbType, List<string> SqlStringList){using (IDbConnection iConn = GetConnection(DbType)){iConn.Open();using (IDbCommand iCmd = GetCommand(DbType)){iCmd.Connection = iConn;using (IDbTransaction iDbTran = iConn.BeginTransaction()){iCmd.Transaction = iDbTran;try{for (int n = 0; n < SqlStringList.Count; n++){string StrSql = SqlStringList[n].ToString();if (StrSql.Trim().Length > 1){iCmd.CommandText = StrSql;iCmd.ExecuteNonQuery();}}iDbTran.Commit();}catch (Exception ex){Debug.WriteLine("ExcuteSqlTran" + ex.Message);iDbTran.Rollback();return false;}finally{if (iConn.State != ConnectionState.Closed){iConn.Close();}}}}return true;}}#endregion#region SQL数据库解析格式private IDbDataParameter DbPara(string DbType, string ParaName, string DataType){switch (DbType){case "SqlServer":return GetSqlPara(ParaName, DataType);//case "Oracle"://    return GetOraclePara(ParaName, DbType);case "Access":return GetOledbPara(ParaName, DbType);default:return GetSqlPara(ParaName, DbType);}}private IDbDataParameter GetSqlPara(string ParaName, string DataType){switch (DataType){case "Decimal":return new SqlParameter(ParaName, SqlDbType.Decimal);case "VarChar":return new SqlParameter(ParaName, SqlDbType.VarChar);case "DateTime":return new SqlParameter(ParaName, SqlDbType.DateTime);case "Image":return new SqlParameter(ParaName, SqlDbType.Image);case "Int":return new SqlParameter(ParaName, SqlDbType.Int);case "Text":return new SqlParameter(ParaName, SqlDbType.Text);default:return new SqlParameter(ParaName, SqlDbType.VarChar);}}Oracle数据库解析数据格式//private IDbDataParameter GetOraclePara(string ParaName, string DbType)//{//    switch (DbType)//    {//        case "Decimal"://            return new OracleParameter(ParaName, SqlDbType.Decimal);//        case "VarChar"://            return new OracleParameter(ParaName, SqlDbType.VarChar);//        case "DateTime"://            return new OracleParameter(ParaName, SqlDbType.DateTime);//        case "Image"://            return new OracleParameter(ParaName, SqlDbType.Image);//        case "Int"://            return new OracleParameter(ParaName, SqlDbType.Int);//        case "Text"://            return new OracleParameter(ParaName, SqlDbType.Text);//        default://            return new OracleParameter(ParaName, SqlDbType.VarChar);//    }//}//Access(OLEDB)数据库数据解析格式private IDbDataParameter GetOledbPara(string ParaName, string DbType){switch (DbType){case "Decimal":return new OleDbParameter(ParaName, SqlDbType.Decimal);case "VarChar":return new OleDbParameter(ParaName, SqlDbType.VarChar);case "DateTime":return new OleDbParameter(ParaName, SqlDbType.DateTime);case "Image":return new OleDbParameter(ParaName, SqlDbType.Image);case "Int":return new OleDbParameter(ParaName, SqlDbType.Int);case "Text":return new OleDbParameter(ParaName, SqlDbType.Text);default:return new OleDbParameter(ParaName, SqlDbType.VarChar);}}#endregion#region  执行存储过程public DataSet RunProcedure(string DbType, string StoreProcName, IDataParameter[] Parameters, DataSet dataSet, string TableName){using (IDbConnection iConn = GetConnection(DbType)){iConn.Open();IDataAdapter iDa = GetAdapter1(DbType, BuildQueryCommand(DbType, iConn, StoreProcName, Parameters));((SqlDataAdapter)iDa).Fill(dataSet, TableName);if (iConn.State != ConnectionState.Closed){iConn.Close();}return dataSet;}}private IDbCommand BuildQueryCommand(string dbType, IDbConnection iConn, string storeProcName, IDataParameter[] parameters){IDbCommand iCmd = GetCommand(dbType, storeProcName, iConn);iCmd.CommandType = CommandType.StoredProcedure;if (parameters == null){return iCmd;}foreach (IDataParameter parameter in parameters){iCmd.Parameters.Add(parameter);}return iCmd;}private IDataAdapter GetAdapter1(string DbType, IDbCommand iCmd){switch (DbType){case "SqlServer":return new SqlDataAdapter((SqlCommand)iCmd);//case "Oracle"://    return new OracleDataAdapter((OracleCommand)iCmd);case "Oledb":return new OleDbDataAdapter((OleDbCommand)iCmd);default:return new SqlDataAdapter((SqlCommand)iCmd);}}/// <summary>/// 执行存储过程/// </summary>/// <param name="DbType"></param>/// <param name="storeProcName"></param>/// <param name="parameters"></param>/// <param name="TableName"></param>/// <returns></returns>public DataSet RunProcedure(string DbType, string storeProcName, IDbDataParameter[] parameters, string TableName){using (IDbConnection iConn = GetConnection(DbType)){DataSet Ds = new DataSet();iConn.Open();IDataAdapter iDa = GetAdapter(DbType, BuildQueryCommand(DbType, iConn, storeProcName, parameters));((SqlDataAdapter)iDa).Fill(Ds, TableName);if (iConn.State != ConnectionState.Closed){iConn.Close();}return Ds;}}public DataSet RunProcedure(string DbType, string storeProcName, IDbDataParameter[] parameters){using (IDbConnection iConn = GetConnection(DbType)){DataSet Ds = new DataSet();IDataAdapter iDa = GetAdapter(DbType, BuildQueryCommand(DbType, iConn, storeProcName, parameters));((SqlDataAdapter)iDa).Fill(Ds);if (iConn.State != ConnectionState.Closed){iConn.Close();}return Ds;}}#endregion}
}

配置文件

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winfrom模拟表单同步数据、上传文件(.net core)

net core api

sqlhelp

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