如何解决编辑后图片不显示 MySQL 数据库图片目录为空
我目前正在使用 c# .net 框架创建网站。我可以添加图片、名称、说明和价格。单击编辑并更改某些内容时,我上传的图片没有显示。我检查了这个问题,并意识到在我在 RESIM 列图片名称下编辑后没有显示出来。它写NULL。我试图改变控制器中的东西,但没有奏效。此外,当我删除某些图片时,请保留在 wwwroot 文件夹下。 我的代码在这里:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.Rendering;
using Microsoft.EntityFrameworkCore;
using ETicaret.Data;
using Eticaret.Models;
using Microsoft.AspNetCore.Hosting;
using System.IO;
namespace Eticaret.Controllers
{
public class UrunYonetimi : Controller
{
private readonly ETicaretContext _context;
private readonly IWebHostEnvironment _hostEnvironment;
public UrunYonetimi(ETicaretContext context,IWebHostEnvironment hostEnvironment)
{
_context = context;
_hostEnvironment = hostEnvironment;
}
// GET: UrunYonetimi
public async Task<IActionResult> Index()
{
return View(await _context.Urunler.ToListAsync());
}
// GET: UrunYonetimi/Details/5
public async Task<IActionResult> Details(int? id)
{
if (id == null)
{
return NotFound();
}
var urun = await _context.Urunler
.SingleOrDefaultAsync(m => m.id == id);
if (urun == null)
{
return NotFound();
}
return View(urun);
}
// GET: UrunYonetimi/Create
public IActionResult Create()
{
return View();
}
// POST: UrunYonetimi/Create
// To protect from overposting attacks,enable the specific properties you want to bind to.
// For more details,see http://go.microsoft.com/fwlink/?LinkId=317598.
[HttpPost]
[ValidateAntiForgeryToken]
public async Task<IActionResult> Create([Bind("id,Ad,Aciklama,Fiyat,Dosya")] Urun urun)
{
if (ModelState.IsValid)
{
var dosyaYolu =Path.Combine(
_hostEnvironment.WebrootPath,"imajlar");
if (Directory.Exists(dosyaYolu))
{
}
else
{
Directory.CreateDirectory(dosyaYolu);
}
var tamDosyaAdi = Path.Combine(dosyaYolu,urun.Dosya.FileName);
using (var dosyaAkisi = new FileStream(tamDosyaAdi,FileMode.CreateNew))
{
await urun.Dosya.copyToAsync(dosyaAkisi);
}
urun.Resim = urun.Dosya.FileName;
_context.Add(urun);
await _context.SaveChangesAsync();
return RedirectToAction(nameof(Index));
}
return View(urun);
}
// GET: UrunYonetimi/Edit/5
public async Task<IActionResult> Edit(int? id)
{
if (id == null)
{
return NotFound();
}
var urun = await _context.Urunler.FindAsync(id);
if (urun == null)
{
return NotFound();
}
return View(urun);
}
// POST: UrunYonetimi/Edit/5
// To protect from overposting attacks,see http://go.microsoft.com/fwlink/?LinkId=317598.
[HttpPost]
[ValidateAntiForgeryToken]
public async Task<IActionResult> Edit(int id,[Bind("id,Dosya")] Urun urun)
{
if (id != urun.id)
{
return NotFound();
}
if (ModelState.IsValid)
{
try
{
_context.Update(urun);
await _context.SaveChangesAsync();
}
catch (dbupdateConcurrencyException)
{
if (!UrunExists(urun.id))
{
return NotFound();
}
else
{
throw;
}
}
return RedirectToAction(nameof(Index));
}
return View(urun);
}
// GET: UrunYonetimi/Delete/5
public async Task<IActionResult> Delete(int? id)
{
if (id == null)
{
return NotFound();
}
var urun = await _context.Urunler
.FirstOrDefaultAsync(m => m.id == id);
if (urun == null)
{
return NotFound();
}
return View(urun);
}
// POST: UrunYonetimi/Delete/5
[HttpPost,ActionName("Delete")]
[ValidateAntiForgeryToken]
public async Task<IActionResult> DeleteConfirmed(int id)
{
var urun = await _context.Urunler.FindAsync(id);
_context.Urunler.Remove(urun);
await _context.SaveChangesAsync();
return RedirectToAction(nameof(Index));
}
private bool UrunExists(int id)
{
return _context.Urunler.Any(e => e.id == id);
}
}
}
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