test/Member/SupplierWeb/Controllers/ES_MemberController.cs

using System;
using System.Collections.Generic;
using System.Data.SqlClient;
using System.Linq;
using System.Threading.Tasks;
using CoreEntity.Entity;
using JCSoft.WX.Framework.Api;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Caching.Memory;
using Newtonsoft.Json;
using PublicLibrary.Model;
using SupplierWeb.Commonss;

namespace SupplierWeb.Controllers
{
    [Route("web/ES_Member")]
    public class ES_MemberController : BaseController
    {

        public ES_MemberController(IMemoryCache cache, IApiClient client) : base(cache, client)
        {

        }
        public IActionResult Index()
        {
            return View();
        }

        /// <summary>
        /// 会员中心列表
        /// </summary>
        /// <param name="data"></param>
        /// <param name="filters"></param>
        /// <returns></returns>
        [HttpPost]
        [Route("index")]
        public ActionResult index([FromBody]dynamic data, QueryFilter[] filters)
        {
            int start = 0;
            string field = "";
            string fieldvalue = "";
            if (data != null)
            {
                if (data.pageIndex == 1)
                {
                    start = 0;
                }
                else
                {
                    start = ((data.pageIndex - 1) * data.pageSize) + 1;
                }
                if (data.filters.Count != 0)
                {
                    field = data.filters[0].field;
                    fieldvalue = data.filters[0].value;
                    data = new { query = "select * from mem_memberbase_p where " + field + " like  '%" + fieldvalue + "%' limit " + data.pageSize };
                }
                else
                {
                    data = new { query = "select * from mem_memberbase_p a limit " + data.pageSize };
                }
            }
            //将参数转换成JSON数据
            var json = JsonConvert.SerializeObject(data);
            //通过传来的SQL语句，转换成DSL语句
            string sql = Util.ElasticCall("http://192.168.50.32:9200/_xpack/sql/translate?format=json", "POST", json);
            string from = "\"from\":" + start + ",";
            sql = sql.Insert(1, from);
            //通过转换的DSL语句，获取数据
            var str = Util.ElasticCall("http://192.168.50.32:9200/mem_memberbase_p/_search?format=json", "POST", sql);
            //JSON转Root对象
            Root stobj = FromJSON<Root>(str);
            //将Root对象中的子对象取出来
            List<_source> _source = new List<_source>();
            _source = stobj.hits.hits.Select(x => x._source).ToList();
            List<Fields> Fields = new List<Fields>();
            Fields = stobj.hits.hits.Select(x => x.fields).ToList();
            //给filed额外的属性赋值
            stobj.hits.hits.ForEach(x =>
            {
                x.fields._id = x._id;
            });
            //总数
            long totalcount = 0;
            data = new { query = "select count(1) from mem_memberbase_p" };
            var jsons = JsonConvert.SerializeObject(data);
            string obj = Util.ElasticCall("http://192.168.50.32:9200/_xpack/sql?format=json", "POST", jsons);
            Num num = FromJSON<Num>(obj);
            totalcount =num.rows[0][0];
            var jsonData = JsonConvert.SerializeObject(Fields);
            return Json(
                new
                {
                    items = JsonConvert.DeserializeObject(jsonData),
                    totalCount = totalcount
                }); 

        }





        /// <summary>
        /// JSON转对象
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="input"></param>
        /// <returns></returns>
        public static T FromJSON<T>(string input)
        {
            try
            {
                return JsonConvert.DeserializeObject<T>(input);
            }
            catch (Exception ex)
            {
                string a = ex.Message;
                return default(T);
            }
        }



        #region 实体类
        public class ColumnsItem
        {
            /// <summary>
            /// 
            /// </summary>
            public string name { get; set; }
            /// <summary>
            /// 
            /// </summary>
            public string type { get; set; }
        }

        public class Num
        {
            /// <summary>
            /// 
            /// </summary>
            public List<ColumnsItem> columns { get; set; }
            /// <summary>
            /// 
            /// </summary>
            public List<List<int>> rows { get; set; }
        }

        public class _shards
        {
            /// <summary>
            /// 
            /// </summary>
            public int total { get; set; }
            /// <summary>
            /// 
            /// </summary>
            public int successful { get; set; }
            /// <summary>
            /// 
            /// </summary>
            public int skipped { get; set; }
            /// <summary>
            /// 
            /// </summary>
            public int failed { get; set; }
        }

        public class Total
        {
            /// <summary>
            /// 
            /// </summary>
            public int value { get; set; }
            /// <summary>
            /// 
            /// </summary>
            public string relation { get; set; }
        }

        public class _source
        {
        }

        public class Fields
        {
            /// <summary>
            /// 
            /// </summary>
            public List<int> OriginType { get; set; }

            public string _id { get; set; }
        }

        public class HitsItem
        {
            /// <summary>
            /// 
            /// </summary>
            public string _index { get; set; }
            /// <summary>
            /// 
            /// </summary>
            public string _type { get; set; }
            /// <summary>
            /// 
            /// </summary>
            public string _id { get; set; }
            /// <summary>
            /// 
            /// </summary>
            public string _score { get; set; }
            /// <summary>
            /// 
            /// </summary>
            public _source _source { get; set; }
            /// <summary>
            /// 
            /// </summary>
            public Fields fields { get; set; }
            /// <summary>
            /// 
            /// </summary>
            public List<int> sort { get; set; }
        }

        public class Hits
        {
            /// <summary>
            /// 
            /// </summary>
            public Total total { get; set; }
            /// <summary>
            /// 
            /// </summary>
            public string max_score { get; set; }
            /// <summary>
            /// 
            /// </summary>
            public List<HitsItem> hits { get; set; }
        }

        public class Root
        {
            /// <summary>
            /// 
            /// </summary>
            public int took { get; set; }
            /// <summary>
            /// 
            /// </summary>
            public string timed_out { get; set; }
            /// <summary>
            /// 
            /// </summary>
            public _shards _shards { get; set; }
            /// <summary>
            /// 
            /// </summary>
            public Hits hits { get; set; }
        }

        #endregion
    }
}