/* * excel导出数据 */ using System; using System.Collections.Generic; using System.Linq; using System.Data; using MySystem.Models.Main; using Library; using LitJson; namespace MySystem.Service.Main { public class ExportExcelsService { static string _conn = ConfigurationManager.AppSettings["SqlConnStr"].ToString(); /// /// 查询列表 /// /// 关联表 /// 查询条件(sql语句) /// 总数(输出) /// 页码 /// 每页条数 /// public static List> List(List relationData, string condition, out int count, int page = 1, int limit = 30, string orderBy = "Sort desc,Id desc") { List fields = new List(); //要显示的列 fields.Add("Id"); fields.Add("CreateDate"); //添加时间 fields.Add("Status"); //状态 fields.Add("FileName"); //文件名 fields.Add("FileUrl"); //文件路径 Dictionary obj = new DbService(AppConfig.Base.mainTables, _conn).IndexData("ExportExcels", relationData, orderBy, page, limit, condition, fields); List> diclist = obj["data"] as List>; count = int.Parse(obj["count"].ToString()); return diclist; } public static List> List(List relationData, string condition, int page = 1, int limit = 30, string orderBy = "Sort desc,Id desc") { List fields = new List(); //要显示的列 fields.Add("Id"); fields.Add("CreateDate"); //添加时间 fields.Add("Status"); //状态 fields.Add("FileName"); //文件名 fields.Add("FileUrl"); //文件路径 Dictionary obj = new DbService(AppConfig.Base.mainTables, _conn).IndexData("ExportExcels", relationData, orderBy, page, limit, condition, fields); List> diclist = obj["data"] as List>; return diclist; } /// /// 查询一条记录 /// /// 主键Id /// public static ExportExcels Query(int Id) { WebCMSEntities db = new WebCMSEntities(); ExportExcels editData = db.ExportExcels.FirstOrDefault(m => m.Id == Id) ?? new ExportExcels(); db.Dispose(); return editData; } public static ExportExcels Query(string condition, string fields = "*") { // DataTable dt = new DbService(AppConfig.Base.mainTables, _conn).QueryDetail(fields, "ExportExcels", condition); // if (dt.Rows.Count > 0) // { // Dictionary row = new Dictionary(); // foreach (DataColumn dc in dt.Columns) // { // row.Add(dc.ColumnName, dt.Rows[0][dc.ColumnName].ToString()); // } // return Newtonsoft.Json.JsonConvert.DeserializeObject(Newtonsoft.Json.JsonConvert.SerializeObject(row)); // } var exportExcels = new DbService(AppConfig.Base.mainTables, _conn).Query(fields, "ExportExcels", condition); if (exportExcels.Count > 0) { return Newtonsoft.Json.JsonConvert.DeserializeObject(Newtonsoft.Json.JsonConvert.SerializeObject(exportExcels)); } return new ExportExcels(); } public static decimal Sum(string condition, string field) { // DataTable dt = new DbService(AppConfig.Base.mainTables, _conn).QueryDetail("Sum(" + field + ")", "ExportExcels", condition); // decimal amount = 0; // if (dt.Rows.Count > 0) // { // amount = decimal.Parse(dt.Rows[0][0].ToString()); // } var dt = new DbService(AppConfig.Base.mainTables, _conn).Query("Sum(" + field + ") " + field, "ExportExcels", condition); decimal amount = 0; if (dt.Count > 0) { amount = decimal.Parse(dt[field].ToString()); } return amount; } /// /// 查询记录数 /// /// 主键Id /// public static int Count(string condition = "", string field = "Id") { // int result = 0; // DataTable dt = new DbService(AppConfig.Base.mainTables, _conn).QueryDetail("count(" + field + ")", "ExportExcels", condition); // if (dt.Rows.Count > 0) // { // result = int.Parse(function.CheckInt(dt.Rows[0][0].ToString())); // } var dt = new DbService(AppConfig.Base.mainTables, _conn).Query("Count(" + field + ") " + field, "ExportExcels", condition); int result = 0; if (dt.Count > 0) { result = int.Parse(dt[field].ToString()); } return result; } /// /// 查询是否存在 /// /// 主键Id /// public static bool Exist(int Id) { WebCMSEntities db = new WebCMSEntities(); bool check = db.ExportExcels.Any(m => m.Id == Id); db.Dispose(); return check; } /// /// 添加数据 /// /// 要设置的字段 /// public static AppResultJson Add(Dictionary fields, bool check = true) { if (check) { if (string.IsNullOrEmpty(fields["FileName"].ToString())) { return new AppResultJson() { Status = "-1", Info = "请填写文件名" }; } if (string.IsNullOrEmpty(fields["FileUrl"].ToString())) { return new AppResultJson() { Status = "-1", Info = "请填写文件路径" }; } } int Id = new DbService(AppConfig.Base.mainTables, _conn).Add("ExportExcels", fields, 0); return new AppResultJson() { Status = "1", Data = Id }; } /// /// 修改数据 /// /// 要设置的字段 /// 主键Id public static AppResultJson Edit(Dictionary fields, int Id, bool check = true) { if (check) { if (string.IsNullOrEmpty(fields["FileName"].ToString())) { return new AppResultJson() { Status = "-1", Info = "请填写文件名" }; } if (string.IsNullOrEmpty(fields["FileUrl"].ToString())) { return new AppResultJson() { Status = "-1", Info = "请填写文件路径" }; } } new DbService(AppConfig.Base.mainTables, _conn).Edit("ExportExcels", fields, Id); return new AppResultJson() { Status = "1", Data = Id }; } /// /// 逻辑删除 /// /// 主键Id public static void Remove(int Id) { Dictionary fields = new Dictionary(); fields.Add("Status", -1); new DbService(AppConfig.Base.mainTables, _conn).Edit("ExportExcels", fields, Id); } /// /// 删除数据 /// /// 主键Id public static void Delete(int Id) { new DbService(AppConfig.Base.mainTables, _conn).Delete("ExportExcels", Id); } /// /// 排序 /// /// 主键Id /// 排序序号 public static void Sort(int Id, int Sort) { new DbService(AppConfig.Base.mainTables, _conn).Sort("ExportExcels", Sort, Id); } /// /// 导入数据 /// /// json数据 public static void Import(string ExcelData) { WebCMSEntities db = new WebCMSEntities(); JsonData list = JsonMapper.ToObject(ExcelData); for (int i = 1; i < list.Count; i++) { JsonData dr = list[i]; db.ExportExcels.Add(new ExportExcels() { CreateDate = DateTime.Now, UpdateDate = DateTime.Now, }); db.SaveChanges(); } db.Dispose(); } /// /// 导出excel表格 /// /// 查询条件(单个字段) /// 查询条件(sql语句) /// // public static void ExportExcel(List relationData, string condition) // { // } } }