WatermarkDemoModeOnly 当全局水印（Watermark IsPage="true"）时, 也会自动启用,无需手动设置

Author: densen2014

src/components/BootstrapBlazor.PdfReader/PdfReader.razor.cs

@@ -190,6 +190,10 @@ protected override async Task OnAfterRenderAsync(bool firstRender)
             var userAgent = await Module!.InvokeAsync<string>("getUserAgent");
             var parser = Parser.GetDefault();
             ClientInfo = parser.Parse(userAgent);
+            if (!WatermarkDemoModeOnly)
+            { 
+                WatermarkDemoModeOnly = await Module.InvokeAsync<bool>("getGlobalWatermark");
+            }
             await Refresh();
         }
     }

src/components/BootstrapBlazor.PdfReader/wwwroot/app.js

@@ -8,10 +8,6 @@ export async function showPdf(baseurl, element, stream) {
     const urlblob = URL.createObjectURL(blob);
     element.src = baseurl.replace('(1)',  urlblob);
 }
-export function setWatermark(watermark, element) {
-    console.log(element.contentWindow.document)
-    var elmnt = element.contentWindow.document.getElementById("watermark");
-    //elmnt.style.display = "none";
-    //var d = y.getElementById("watermark");
-    //y.getElementById("watermark").value = watermark;
+export function getGlobalWatermark() {
+    return document.body.getAttribute('data-bb-watermark') == 'true';
 }