//调用 public DataSet Query(string procName, ref int Total, SqlParameter[] sqlParameters) { DataSet dataSet = new DataSet(); using (SqlConnection connection = new SqlConnection(con)) { //打开数据库 connection.Open(); //封装执行的sql语句 using (SqlCommand command = new SqlCommand(procName, connection)) { //将存储过程的输入参数放到comand中 command.Parameters.AddRange(sqlParameters); //指定执行的是存储过程 command.CommandType = CommandType.StoredProcedure; //使用适配器关联command SqlDataAdapter sqlDataAdapter = new SqlDataAdapter(command); //适配器填充数据 sqlDataAdapter.Fill(dataSet); //获取输出参数 Total = int.Parse(command.Parameters["@Total"].Value.ToString()); } } return dataSet; } 复制代码 ///API调用 using System.Collections.Generic; using System.Linq; using System.Web.Http; using System.Net.Http; using IOT.BLL; using IOT.Model; using Newtonsoft.Json; using System.Data; namespace LianXi.Api.Controllers { public class ShowController : ApiController { Iot_bll bll = new Iot_bll(); //显示 [HttpGet] public IHttpActionResult GetShow(string name="",int pageSize, int PageNumber) { //显示 DataTable tb = bll.GetShow(); string json = JsonConvert.SerializeObject(tb); List<Base_User> list = JsonConvert.DeserializeObject<List<Base_User>>(json); var list1 = (from s in list select s).ToList(); //查询 if(!string.IsNullOrEmpty(name)) { list1 = list1.Where(s => s.Account.Contains(name)).ToList(); } //分页 int Total = 0; DataTable tb1 = bll.GetPagingDept(ref Total, pageSize, PageNumber, " 1=1 ", " * "); PagingModels<DataTable> paging = new PagingModels<DataTable> { tb = tb, Total = Total }; return Json<List<Base_User>>(list1); } //添加 [HttpPost] public int GetAdd(Base_User m) { int flag = bll.GetAdd(m); return flag; } } } /////BLL层调用 using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using IOT.DAL; using IOT.Model; using Newtonsoft.Json; using System.Data; using System.Data.SqlClient; namespace IOT.BLL { public class Iot_bll { DBHelp dbhelp = new DBHelp(); //显示 public DataTable GetShow() { string sql = "select * from Base_User"; return dbhelp.ExecTable(sql); } //添加 public int GetAdd(Base_User m) { string sql = $"insert into Base_User values('{m.Account}', '{m.PassWord1}', '{m.PhoneNum}', '{m.CardID}',{m.VIPLive},{m.Coin},'{m.CreateTime}','{m.UpdateTime}')"; return dbhelp.ExecNonQuery(sql); } public DataTable GetPagingDept(ref int Total, int pageSize, int pageNumber, string where, string field) { SqlParameter[] sqlParameters = new SqlParameter[] { new SqlParameter {ParameterName= "@table", Value= " Shopping ",SqlDbType= SqlDbType.NVarChar,Direction= ParameterDirection.Input, Size=200}, new SqlParameter {ParameterName= "@field", Value= field,SqlDbType= SqlDbType.NVarChar,Direction= ParameterDirection.Input, Size=2000 }, new SqlParameter {ParameterName= "@where", Value= where ,SqlDbType= SqlDbType.NVarChar,Direction= ParameterDirection.Input, Size=2000}, new SqlParameter {ParameterName= "@order", Value= " Id " ,SqlDbType= SqlDbType.NVarChar,Direction= ParameterDirection.Input, Size=200}, new SqlParameter {ParameterName= "@pageSize", Value=pageSize ,SqlDbType= SqlDbType.Int,Direction= ParameterDirection.Input}, new SqlParameter {ParameterName= "@pageNumber", Value=pageNumber ,SqlDbType= SqlDbType.Int,Direction= ParameterDirection.Input}, new SqlParameter {ParameterName= "@Total" ,SqlDbType= SqlDbType.Int,Direction= ParameterDirection.Output} }; return db.Query("[SP_User]", ref Total, sqlParameters).Tables[0]; } } }