From 576f9405312b07535998be78da3721540edb3137 Mon Sep 17 00:00:00 2001
From: cwchen <1048842385@qq.com>
Date: Mon, 10 Nov 2025 11:17:29 +0800
Subject: [PATCH] =?UTF-8?q?pdf=20=E9=A2=84=E8=A7=88=E4=BC=98=E5=8C=96?=
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---
 src/views/common/DocumentSearch.vue | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/src/views/common/DocumentSearch.vue b/src/views/common/DocumentSearch.vue
index c07b6c3..4af1afe 100644
--- a/src/views/common/DocumentSearch.vue
+++ b/src/views/common/DocumentSearch.vue
@@ -157,7 +157,6 @@ export default {
 
         async renderAllPages() {
             if (!this.pdfDoc) return
-            console.log('解析的pdf总数：', this.pdfDoc.numPages)
             const container = this.$refs.pdfWrapper
             if (!container) return
             container.innerHTML = ''
@@ -204,7 +203,7 @@ export default {
                 const canvas = document.createElement('canvas')
                 canvas.className = 'pdf-canvas'
                 const deviceScale = window.devicePixelRatio || 1
-                const outputScale = Math.min(deviceScale, 1.5)
+                const outputScale = Math.min(deviceScale, 1)
                 canvas.width = viewport.width * outputScale
                 canvas.height = viewport.height * outputScale
                 canvas.style.width = `${viewport.width}px`
@@ -259,13 +258,17 @@ export default {
         },
 
         scheduleRender(pageNumber, { priority = false } = {}) {
-            if (!pageNumber || this.renderedPages.has(pageNumber)) return
+            if (!pageNumber || pageNumber > this.totalPages || this.renderedPages.has(pageNumber)) return
             if (this.renderQueue.includes(pageNumber)) return
             if (priority) {
                 this.renderQueue.unshift(pageNumber)
             } else {
                 this.renderQueue.push(pageNumber)
             }
+            const MAX_QUEUE_LENGTH = 5
+            if (this.renderQueue.length > MAX_QUEUE_LENGTH) {
+                this.renderQueue.splice(MAX_QUEUE_LENGTH)
+            }
             this.processRenderQueue()
         },
 
@@ -275,7 +278,9 @@ export default {
             try {
                 while (this.renderQueue.length) {
                     const pageNumber = this.renderQueue.shift()
+                    await new Promise((resolve) => requestAnimationFrame(resolve))
                     await this.renderSinglePage(pageNumber)
+                    this.scheduleRender(pageNumber + 1)
                 }
             } finally {
                 this.isProcessingQueue = false
@@ -430,7 +435,7 @@ export default {
 
             const options = {
                 root: this.$refs.pdfWrapper,
-                rootMargin: '400px 0px',
+                rootMargin: '120px 0px',
                 threshold: 0.01,
             }