ThingsGateway/framework/Web/ThingsGateway.Components/Components/ConsoleTxt.razor

@*
//------------------------------------------------------------------------------
//  此代码版权声明为全文件覆盖，如有原作者特别声明，会在下方手动补充
//  此代码版权（除特别声明外的代码）归作者本人Diego所有
//  源代码使用协议遵循本仓库的开源协议及附加协议
//  Gitee源代码仓库：https://gitee.com/diego2098/ThingsGateway
//  Github源代码仓库：https://github.com/kimdiego2098/ThingsGateway
//  使用文档：https://diego2098.gitee.io/thingsgateway-docs/
//  QQ群：605534569
//------------------------------------------------------------------------------
*@

@using BlazorComponent;
@using Microsoft.AspNetCore.Components.Web;
@using Microsoft.JSInterop;
@using Masa.Blazor;
@namespace ThingsGateway.Components

<MCardActions>
    输出日志
    <MSpacer></MSpacer>
    @if (ChildContent != null)
        @ChildContent


        <MTooltip Bottom Context="tip">
        <ActivatorContent>
            <MButton Class="mx-2" @attributes="@tip.Attrs" Dark Fab Small
                     OnClick=@(()=>
                     {
                     pauseMessage=!pauseMessage;
                     if(pauseMessage)
                     {
                     CurrentMessages= Messages?.ToList();
                     CurrentMessageStrings= MessageStrings?.ToList();
                     }
                     }
                     )>
                <MIcon>@((!pauseMessage) ? "mdi-pause" : "mdi-play")</MIcon>
                </MButton>
            </ActivatorContent>
            <ChildContent>
                <span>@((!pauseMessage) ? "暂停日志" : "运行日志")</span>
        </ChildContent>
    </MTooltip>
    <MTooltip Bottom Context="tip">
        <ActivatorContent>
            <MButton Loading=isDownLoading Class="mx-2" @attributes="@tip.Attrs" Dark Fab Small
                     OnClick=@(async()=>
                     {
                     if(Messages!=null)
                     await DownDeviceMessageExportAsync(Messages.Select(a=>a.message));
                     else
                     await DownDeviceMessageExportAsync(MessageStrings);
                     }
                     )>
                <MIcon>mdi-export</MIcon>
            </MButton>
        </ActivatorContent>
        <ChildContent>
            <span>导出</span>
        </ChildContent>
    </MTooltip>
    <MTooltip Bottom Context="tip">
        <ActivatorContent>
            <MButton Class="mx-2" @attributes="@tip.Attrs" Dark Fab Small
                     OnClick=@(()=>
                     {
                     Messages?.Clear();
                     MessageStrings?.Clear();
                     }
                     )>
                <MIcon>mdi-delete-outline</MIcon>
            </MButton>
        </ActivatorContent>
        <ChildContent>
            <span>清空</span>
        </ChildContent>
    </MTooltip>

</MCardActions>
@{
    if (Messages != null)
    {
        ICollection<(Microsoft.Extensions.Logging.LogLevel level, string message)> item;
        if (pauseMessage)
            item = CurrentMessages;
        else
            item = Messages;

        <MRow Class="ml-2 mr-2 d-flex" NoGutters>
        <MVirtualScroll Context="itemMessage" Height=@(Height) OverscanCount=2 ItemSize="100" Items="item">
            <ItemContent>
                <div title=@itemMessage.message class=@(itemMessage.level<Microsoft.Extensions.Logging.LogLevel.Information?MasaBlazor.Theme.Dark? " while--text ":"black--text":itemMessage.level>=Microsoft.Extensions.Logging.LogLevel.Warning?" red--text ":"green--text ") style="white-space: nowrap !important;overflow: hidden !important; text-overflow: ellipsis !important;">
                    @itemMessage.message
                </div>
            </ItemContent>
        </MVirtualScroll>
    </MRow>
    }
    else
    {
        ICollection<string> item;
        if (pauseMessage)
            item = CurrentMessageStrings;
        else
            item = MessageStrings;
        <MRow Class="ml-2 mr-2 d-flex" NoGutters>
        <MVirtualScroll Context="itemMessage" Height=@(Height) OverscanCount=2 ItemSize="100" Items="item">
            <ItemContent>
                <div title=@itemMessage style="white-space: nowrap !important;overflow: hidden !important; text-overflow: ellipsis !important;">
                    @itemMessage
                </div>
            </ItemContent>
        </MVirtualScroll>
    </MRow>
    }

}





@code {

    /// <summary>
    /// ChildContent
    /// </summary>
    [Parameter]
    public RenderFragment ChildContent { get; set; }
    /// <summary>
    /// Height
    /// </summary>
    [Parameter]
    public StringNumber Height { get; set; } = 600;

    [Inject]
    MasaBlazor MasaBlazor { get; set; }
    /// <summary>
    /// 日志缓存
    /// </summary>
    [Parameter]
    public ICollection<(Microsoft.Extensions.Logging.LogLevel level, string message)> Messages { get; set; }
    /// <summary>
    /// 日志缓存
    /// </summary>
    [Parameter]
    public ICollection<string> MessageStrings { get; set; }
    private ICollection<(Microsoft.Extensions.Logging.LogLevel level, string message)> CurrentMessages { get; set; }
    private ICollection<string> CurrentMessageStrings { get; set; }
    /// <summary>
    /// 导出
    /// </summary>
    /// <param name="values"></param>
    /// <returns></returns>
    private async Task DownDeviceMessageExportAsync(IEnumerable<string> values)
    {
        try
        {
            isDownLoading = true;
            StateHasChanged();
            using var memoryStream = new MemoryStream();
            using StreamWriter writer = new(memoryStream);
            foreach (var item in values)
            {
                writer.WriteLine(item);
            }
            writer.Flush();
            memoryStream.Seek(0, SeekOrigin.Begin);
            using var streamRef = new DotNetStreamReference(stream: memoryStream);
            JSObjectReference ??= await JSRuntime.LoadModuleAsync("js/downloadFileFromStream");
            await JSObjectReference.InvokeVoidAsync("downloadFileFromStream", $"报文日志导出{DateTimeExtensions.CurrentDateTime.ToString("yyyy-MM-dd HH-mm-ss-fff zz")}.txt", streamRef);
        }
        finally
        {
            isDownLoading = false;
        }
    }

    private IJSObjectReference JSObjectReference;

    /// <inheritdoc/>
    [Inject]
    protected IJSRuntime JSRuntime { get; set; }

    /// <summary>
    /// 导出提示
    /// </summary>
    private bool isDownLoading;

    private bool pauseMessage;
}