📅  最后修改于: 2022-03-11 15:01:19.498000             🧑  作者: Mango
using DatatableDemo.Data;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
namespace DatatableDemo.Controllers
{
[Route("api/[controller]")]
[ApiController]
public class UsersController : ControllerBase
{
private readonly AppDBContext _context;
public UsersController(AppDBContext context)
{
_context = context;
}
[HttpPost("GetUsers")]
public IActionResult GetUsers()
{
try
{
var draw = Request.Form["draw"].FirstOrDefault();
var start = Request.Form["start"].FirstOrDefault();
var length = Request.Form["length"].FirstOrDefault();
var sortColumn = Request.Form["columns[" + Request.Form["order[0][column]"].FirstOrDefault() + "][name]"].FirstOrDefault();
var sortColumnDirection = Request.Form["order[0][dir]"].FirstOrDefault();
var searchValue = Request.Form["search[value]"].FirstOrDefault();
int pageSize = length != null ? Convert.ToInt32(length) : 0;
int skip = start != null ? Convert.ToInt32(start) : 0;
int recordsTotal = 0;
var userData = (from tempuser in _context.users select tempuser);
if (!(string.IsNullOrEmpty(sortColumn) && string.IsNullOrEmpty(sortColumnDirection)))
{
userData = userData.OrderBy(s => sortColumn + " " + sortColumnDirection);
}
if (!string.IsNullOrEmpty(searchValue))
{
userData = userData.Where(m => m.FirstName.Contains(searchValue)
|| m.LastName.Contains(searchValue)
|| m.Contact.Contains(searchValue)
|| m.Email.Contains(searchValue)
|| m.Address.Contains(searchValue));
}
recordsTotal = userData.Count();
var data = userData.Skip(skip).Take(pageSize).ToList();
var jsonData = new { draw = draw, recordsFiltered = recordsTotal, recordsTotal = recordsTotal, data = data };
return Ok(jsonData);
}
catch (Exception ex)
{
throw;
}
}
}
}