Blazor Pdf Reader PDF阅读器 组件

示例:

https://blazor.app1.es/PdfReader

使用方法:

1.nuget包

BootstrapBlazor.PdfReader

2._Imports.razor 文件 或者页面添加 添加组件库引用

@using BootstrapBlazor.Components

3.razor页面

<PdfReader OnFileText="OnFileText" 
            OnFileStream="OnFileStream" 
            OnDirectory="OnDirectory" 
            />

<pre>@contents</pre>

@code{

    private string contents;

    private Task OnFileText(string contents)
    {
        this.contents = contents;
        StateHasChanged();
        return Task.CompletedTask;
    }
    
    private Task OnFileStream(Stream stream)
    {
        //using MiniExcelLibs
        //private string contentsExcel;
        //var rows = stream.Query().ToList();
        //rows.ForEach(a=> contentsExcel += Environment.NewLine + string.Join(" | " , a ));
        StateHasChanged();
        return Task.CompletedTask;
    }
    
    private Task OnDirectory(List<string> dirs)
    {
        if (dirs == null || !dirs.Any()) return Task.CompletedTask;
        contents += "Dir:" + Environment.NewLine;
        contents += dirs.First() + Environment.NewLine;
        foreach (var item in dirs.Skip(1).OrderByDescending(a => a.StartsWith("+")).ThenBy(a => a))
        {
            contents += item + Environment.NewLine;
        }
        StateHasChanged();
        return Task.CompletedTask;
    }


}