word 搜索优化

src/views/common/DocumentSearchWord.vue

@@ -176,6 +176,33 @@ export default {
             return (element.textContent || '').trim()
         },
 
+        getSearchableTextContent(element) {
+            if (!element) return ''
+            let text = ''
+            const walker = document.createTreeWalker(
+                element,
+                NodeFilter.SHOW_TEXT,
+                {
+                    acceptNode: (node) => {
+                        const parent = node.parentElement
+                        if (!parent) return NodeFilter.FILTER_REJECT
+                        const tagName = parent.tagName ? parent.tagName.toLowerCase() : ''
+                        if (tagName === 'mark' || tagName === 'script' || tagName === 'style' || tagName === 'noscript') {
+                            return NodeFilter.FILTER_REJECT
+                        }
+                        return NodeFilter.FILTER_ACCEPT
+                    }
+                }
+            )
+            let node
+            while ((node = walker.nextNode())) {
+                if (node.textContent) {
+                    text += node.textContent
+                }
+            }
+            return text
+        },
+
         prepareSearchSegments(forceReset = false) {
             if (!this.docRendered) {
                 if (forceReset) {
@@ -270,7 +297,7 @@ export default {
         highlightTextInNode(node, pattern, results, segmentIndex, parentElement, markIndexRef) {
             if (node.nodeType === Node.TEXT_NODE) {
                 const text = node.textContent
-                if (!text || !text.trim()) return
+                if (!text) return
                 
                 pattern.lastIndex = 0
                 const textMatches = []
@@ -355,17 +382,9 @@ export default {
 
             const results = []
             let totalTextMatches = 0
+            const segmentMatchCounts = []
             
             this.searchSegments.forEach((el, segmentIndex) => {
-                const originalText = el.dataset.originalText
-                if (typeof originalText === 'undefined' || !originalText) return
-                
-                pattern.lastIndex = 0
-                const textMatchCount = (originalText.match(pattern) || []).length
-                if (textMatchCount === 0) return
-                
-                totalTextMatches += textMatchCount
-                
                 const originalHtml = el.dataset.originalHtml
                 if (typeof originalHtml === 'undefined') return
                 
@@ -373,25 +392,47 @@ export default {
                 el.innerHTML = cleanHtml
                 el.dataset.originalHtml = cleanHtml
                 
+                const searchableText = this.getSearchableTextContent(el)
+                if (!searchableText) return
+                
+                pattern.lastIndex = 0
+                const textMatchCount = (searchableText.match(pattern) || []).length
+                if (textMatchCount === 0) return
+                
+                totalTextMatches += textMatchCount
+                
                 const existingMarks = el.querySelectorAll('mark')
                 if (existingMarks.length > 0) {
                     console.warn(`Segment ${segmentIndex} still has ${existingMarks.length} mark tags after cleaning`)
                 }
                 
                 const markIndexRef = { value: 0 }
+                const beforeHighlightText = this.getSearchableTextContent(el)
                 const children = Array.from(el.childNodes)
                 children.forEach(child => {
                     this.highlightTextInNode(child, pattern, results, segmentIndex, el, markIndexRef)
                 })
                 
                 const createdMarks = el.querySelectorAll('mark.search-highlight')
-                if (createdMarks.length !== textMatchCount) {
-                    console.warn(`Segment ${segmentIndex}: expected ${textMatchCount} marks, created ${createdMarks.length}`)
+                const actualCount = createdMarks.length
+                const afterHighlightText = this.getSearchableTextContent(el)
+                
+                segmentMatchCounts.push({
+                    segmentIndex,
+                    expected: textMatchCount,
+                    actual: actualCount,
+                    searchableTextLength: searchableText.length,
+                    beforeHighlightLength: beforeHighlightText.length,
+                    afterHighlightLength: afterHighlightText.length
+                })
+                
+                if (actualCount !== textMatchCount) {
+                    console.warn(`Segment ${segmentIndex}: expected ${textMatchCount} marks, created ${actualCount}. Text: "${searchableText.substring(0, 100)}..."`)
                 }
             })
 
             if (results.length !== totalTextMatches) {
-                console.warn(`Total matches mismatch: expected ${totalTextMatches}, got ${results.length}`)
+                console.warn(`Total matches mismatch: expected ${totalTextMatches}, got ${results.length}`, segmentMatchCounts)
             }
 
             this.searchResults = results