HEGII.ss.mes.web/wwwroot/mes/web/setting/setting.ashx

<%@ WebHandler Language="C#" Class="setting" %>

using System;
using System.Web;
using System.Web.SessionState;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.Data;
using Curtain.DataAccess;
using DK.XuWei.WebMes;

/// <summary>
/// TP_WEB_SETTING
/// xuwei create 2021-03-03
/// </summary>
public class setting : IHttpHandler, IReadOnlySessionState
{
    public void ProcessRequest(HttpContext context)
    {
        context.Response.ContentType = "text/plain";

        if (mes.LoginCheck() && context.Request["m"] is object)
        {
            Button b = new Button();
            if(mes.RightCheck(""))
            {
                b.btnIndex = true;
                b.btnInsert = true;
                b.btnInsertBatch = false;
                b.btnCopy = true;
                b.btnUpdate = true;
                b.btnDelete = false;
                b.btnCancel = false;
                b.btnSearch = false;
                b.btnDetail = true;
                b.btnCheckbox = true;
                b.btnExport = false;
                b.btnReload = true;
            }

            switch (context.Request["m"].ToString().ToLower())
            {
                case "b":
                    {
                        //按钮
                        context.Response.Write(new JsonResult(b).ToJson());
                        break;
                    }
                case "a":
                    {
                        //添加
                        if (b.btnDetail && context.Request["id"] is object)
                            context.Response.Write(detail());
                        else
                        {
                            List<xRecord> list = new List<xRecord>();
                            xRecord r = new xRecord();
                            list.Add(r);
                            context.Response.Write(new JsonResult(list).ToJson());
                        }
                        break;
                    }
                case "s":
                    {
                        //搜索
                        if (b.btnIndex)
                            context.Response.Write(search(context.Request.Form));
                        else
                            context.Response.Write(new JsonResult(JsonStatus.rightError).ToJson());
                        break;
                    }
                case "t":
                    {
                        //详细
                        if (b.btnDetail)
                            context.Response.Write(detail());
                        else
                            context.Response.Write(new JsonResult(JsonStatus.rightError).ToJson());
                        break;
                    }
                case "i":
                    {
                        //插入
                        if (b.btnInsert)
                            context.Response.Write(insert(context.Request.Form));
                        else
                            context.Response.Write(new JsonResult(JsonStatus.rightError).ToJson());
                        break;
                    }
                case "u":
                    {
                        //修改
                        if (b.btnUpdate)
                            context.Response.Write(update(context.Request.Form));
                        else
                            context.Response.Write(new JsonResult(JsonStatus.rightError).ToJson());
                        break;
                    }
                case "d":
                    {
                        //删除
                        if (b.btnDelete)
                            context.Response.Write(delete());
                        else
                            context.Response.Write(new JsonResult(JsonStatus.rightError).ToJson());
                        break;
                    }
                case "e":
                    {
                        //导出
                        if (b.btnExport)
                        {
                            context.Response.Write(export());
                        }
                        else
                        {
                            context.Response.Write(new JsonResult(JsonStatus.rightError).ToJson());
                        }
                        break;
                    }
                default:
                    {
                        break;
                    }
            }
        }
        else
        {
            context.Response.Write(new JsonResult(JsonStatus.loginError).ToJson());
        }
    }

    /// <summary>
    /// TP_WEB_SETTING 查询
    /// </summary>
    /// <returns>json</returns>
    private string search(NameValueCollection form)
    {
        using(IDataAccess conn=DataAccess.Create())
        {
            int page = HttpContext.Current.Request["page"] is object ? Convert.ToInt32(HttpContext.Current.Request["page"]) : 1;
            int rows = HttpContext.Current.Request["rows"] is object ? Convert.ToInt32(HttpContext.Current.Request["rows"]) : 10;
            string sort = HttpContext.Current.Request["sort"] is object ? HttpContext.Current.Request["sort"] : "";
            string order = HttpContext.Current.Request["order"] is object ? HttpContext.Current.Request["order"] : "";

            string sqlStr = @"
                SELECT 
                    m.ID,
                    m.NAME,
                    m.VALUE,
                    m.MEMO,
                    m.ID AS SID
                FROM
                    TP_WEB_SETTING m
                WHERE 
                    1 = 1
            ";
            List<CDAParameter> sqlPara = new List<CDAParameter>();

            if(!string.IsNullOrEmpty(form["ID"]))
            {
                sqlStr += " AND m.ID = @ID@ ";
                sqlPara.Add(new CDAParameter("ID", form["ID"]));
            }
            if(!string.IsNullOrEmpty(form["NAME"]))
            {
                sqlStr += " AND INSTR( m.NAME, @NAME@ ) > 0 ";
                sqlPara.Add(new CDAParameter("NAME", form["NAME"]));
            }
            if(!string.IsNullOrEmpty(form["VALUE"]))
            {
                sqlStr += " AND INSTR( m.VALUE, @VALUE@ ) > 0 ";
                sqlPara.Add(new CDAParameter("VALUE", form["VALUE"]));
            }
            if(!string.IsNullOrEmpty(form["MEMO"]))
            {
                sqlStr += " AND INSTR( m.MEMO, @MEMO@ ) > 0 ";
                sqlPara.Add(new CDAParameter("MEMO", form["MEMO"]));
            }
            if(sort != "")
            {
                sqlStr += " ORDER BY " + sort + " " + order;
            }
            int total = 0;
            DataTable dt = conn.SelectPages(page, rows,out total, sqlStr, sqlPara.ToArray());
            return new JsonResult(dt) { total = total}.ToJson();
        }
    }

    /// <summary>
    /// 详细 TP_WEB_SETTING
    /// </summary>
    /// <returns>json</returns>
    private string detail()
    {
        using(IDataAccess conn= DataAccess.Create())
        {
            DataTable dt = conn.ExecuteDatatable(@"
                SELECT 
                    m.NAME,
                    m.VALUE,
                    m.MEMO,
                    m.ID
                FROM
                    TP_WEB_SETTING m
                WHERE 
                    m.ID = @ID@
                ",
                new CDAParameter("ID",HttpContext.Current.Request["id"])
            );
            return new JsonResult(dt).ToJson();
        }
    }

    /// <summary>
    /// 插入 TP_WEB_SETTING
    /// </summary>
    /// <returns>json</returns>
    private string insert(NameValueCollection form)
    {
        using(IDataAccess conn= DataAccess.Create())
        {
            int result = conn.ExecuteNonQuery(@"
                INSERT INTO TP_WEB_SETTING (
                    NAME,
                    VALUE,
                    MEMO
                ) VALUES (
                    @NAME@,
                    @VALUE@,
                    @MEMO@
                )
                ",
                new CDAParameter("NAME",form["NAME"]),
                new CDAParameter("VALUE",form["VALUE"]),
                new CDAParameter("MEMO",form["MEMO"])
            );
            return new JsonResult(JsonStatus.success).ToJson();
        }
    }

    /// <summary>
    /// 更新 TP_WEB_SETTING
    /// </summary>
    /// <returns>json</returns>
    private string update(NameValueCollection form)
    {
        using(IDataAccess conn=DataAccess.Create())
        {
            int result = conn.ExecuteNonQuery(@"
                UPDATE TP_WEB_SETTING 
                SET
                    NAME = @NAME@,
                    VALUE = @VALUE@,
                    MEMO = @MEMO@
                WHERE 
                    ID = @ID@
                ",
                new CDAParameter("NAME",form["NAME"]),
                new CDAParameter("VALUE",form["VALUE"]),
                new CDAParameter("MEMO",form["MEMO"]),
                new CDAParameter("ID",HttpContext.Current.Request["id"])
            );
            return new JsonResult(JsonStatus.success).ToJson();
        }
    }

    /// <summary>
    /// 删除 TP_WEB_SETTING
    /// </summary>
    /// <returns>json</returns>
    private string delete()
    {
        using(IDataAccess conn= DataAccess.Create())
        {
            if (HttpContext.Current.Request["id"] is object)
            {
                int result = conn.ExecuteNonQuery(@"
                    DELETE 
                        TP_WEB_SETTING 
                    WHERE 
                        INSTR(',' || @ID@ || ',' , ',' || ID || ',') > 0 
                    ",
                    new CDAParameter("ID", HttpContext.Current.Request["id"])
                );
                return new JsonResult(JsonStatus.success).ToJson();
            }
            else
            {
                return new JsonResult(JsonStatus.otherError).ToJson();
            }
        }
    }

    /// <summary>
    /// 导出 TP_WEB_SETTING
    /// </summary>
    /// <returns>json</returns>
    private string export()
    {
        return search(new NameValueCollection());
    }

    private class Button
    {
        public bool btnIndex = false;
        public bool btnInsert = false;
        public bool btnInsertBatch = false;
        public bool btnCopy = false;
        public bool btnUpdate = false;
        public bool btnDelete = false;
        public bool btnCancel = false;
        public bool btnSearch = false;
        public bool btnDetail = false;
        public bool btnCheckbox = false;
        public bool btnExport = false;
        public bool btnReload = false;
    }

    private class xRecord
    {
        public string sid { get; set; }
        public string NAME { get; set; }
        public string VALUE { get; set; }
        public string MEMO { get; set; }
    }

    public bool IsReusable
    {
        get
        {
            return false;
        }
    }

}