zoukankan      html  css  js  c++  java
  • ASP.NET Core 文件上传

    进行保存操作的控制器代码

    public class UploadFilesController : ControllerBase
        {
            public IActionResult Index()
            {
                return Ok();
            }
    
            [HttpPost("UploadFiles")]
            public async Task<IActionResult> Post(List<IFormFile> files)
            {
                long size = files.Sum(f => f.Length);
    
                // 临时文件的路径
                var filePath = Path.GetTempFileName();
               
                foreach (var formFile in files)
                {
                    //取后缀名
                    var fileN = formFile.FileName.ToString();
                    var fileLastName = fileN.Substring(fileN.LastIndexOf(".") + 1,
                        (fileN.Length - fileN.LastIndexOf(".") - 1));
    
                    filePath = @"Upload"+"one."+fileLastName;//保存文件的路径
                    if (formFile.Length > 0)
                    {
                        //根据路径创建文件
                        using (var stream = new FileStream(filePath, FileMode.Create))
                        {
                            await formFile.CopyToAsync(stream);
                        }
                    }
                }
                // process uploaded files
                // Don't rely on or trust the FileName property without validation.
                return Ok(new { count = files.Count, size, filePath });
            }
    
        }
    View Code

    视图代码

        <div class="text-center">
            <h1 class="display-4">Welcome</h1>
            <div class="row">
                <form method="post" enctype="multipart/form-data" asp-controller="UploadFiles" asp-action="Index">
                    <div class="form-group">
                        <div class="col-md-10">
                            <p>Upload one or more files using this form:</p>
                            <input type="file" name="files" multiple>
                        </div>
                    </div>
                    <div class="form-group">
                        <div class="col-md-10">
                            <input type="submit" value="Upload">
                        </div>
                    </div>
                </form>
            </div>
        </div>
    View Code

    来自于官网Demo https://docs.microsoft.com/zh-cn/aspnet/core/mvc/models/file-uploads?view=aspnetcore-2.2

  • 相关阅读:
    【jQuery】添加删除记录练习
    git
    常用正则表达式
    【资源】前端插件
    menu 菜单显示隐藏-jquery实现
    java作业——Day006
    java作业——Day005
    java作业——Day004
    java作业——Day003
    java作业——Day001
  • 原文地址:https://www.cnblogs.com/Uyde/p/10860563.html
Copyright © 2011-2022 走看看