update

package-lock.json

@@ -18,6 +18,7 @@
         "file-saver": "^2.0.5",
         "hfmath": "^0.0.2",
         "html-to-image": "^1.11.13",
+        "html2canvas": "^1.4.1",
         "lodash": "^4.17.21",
         "mitt": "^3.0.1",
         "nanoid": "^5.0.7",
@@ -1934,6 +1935,14 @@
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       "dev": true
     },
+    "node_modules/base64-arraybuffer": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/base64-arraybuffer/-/base64-arraybuffer-1.0.2.tgz",
+      "integrity": "sha512-I3yl4r9QB5ZRY3XuJVEPfc2XhZO6YweFPI+UovAzn+8/hb3oJ6lnysaFcjVpkCPfVWFUDvoZ8kmVDP7WyRtYtQ==",
+      "engines": {
+        "node": ">= 0.6.0"
+      }
+    },
     "node_modules/binary-extensions": {
       "version": "2.3.0",
       "resolved": "https://registry.npmmirror.com/binary-extensions/-/binary-extensions-2.3.0.tgz",
@@ -2311,6 +2320,14 @@
       "resolved": "https://registry.npmmirror.com/crypto-js/-/crypto-js-4.2.0.tgz",
       "integrity": "sha512-KALDyEYgpY+Rlob/iriUtjV6d5Eq+Y191A5g4UqLAi8CyGP9N1+FdVbkc1SxKc2r4YAYqG8JzO2KGL+AizD70Q=="
     },
+    "node_modules/css-line-break": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/css-line-break/-/css-line-break-2.1.0.tgz",
+      "integrity": "sha512-FHcKFCZcAha3LwfVBhCQbW2nCNbkZXn7KVUJcsT5/P8YmfsVja0FMPJr0B903j/E69HUphKiV9iQArX8SDYA4w==",
+      "dependencies": {
+        "utrie": "^1.0.2"
+      }
+    },
     "node_modules/cssesc": {
       "version": "3.0.0",
       "resolved": "https://registry.npmmirror.com/cssesc/-/cssesc-3.0.0.tgz",
@@ -3350,6 +3367,18 @@
       "resolved": "https://registry.npmmirror.com/html-to-image/-/html-to-image-1.11.13.tgz",
       "integrity": "sha512-cuOPoI7WApyhBElTTb9oqsawRvZ0rHhaHwghRLlTuffoD1B2aDemlCruLeZrUIIdvG7gs9xeELEPm6PhuASqrg=="
     },
+    "node_modules/html2canvas": {
+      "version": "1.4.1",
+      "resolved": "https://registry.npmjs.org/html2canvas/-/html2canvas-1.4.1.tgz",
+      "integrity": "sha512-fPU6BHNpsyIhr8yyMpTLLxAbkaK8ArIBcmZIRiBLiDhjeqvXolaEmDGmELFuX9I4xDcaKKcJl+TKZLqruBbmWA==",
+      "dependencies": {
+        "css-line-break": "^2.1.0",
+        "text-segmentation": "^1.0.3"
+      },
+      "engines": {
+        "node": ">=8.0.0"
+      }
+    },
     "node_modules/https": {
       "version": "1.0.0",
       "resolved": "https://registry.npmmirror.com/https/-/https-1.0.0.tgz",
@@ -5277,6 +5306,14 @@
         "node": ">=8"
       }
     },
+    "node_modules/text-segmentation": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/text-segmentation/-/text-segmentation-1.0.3.tgz",
+      "integrity": "sha512-iOiPUo/BGnZ6+54OsWxZidGCsdU8YbE4PSpdPinp7DeMtUJNJBoJ/ouUSTJjHkh1KntHaltHl/gDs2FC4i5+Nw==",
+      "dependencies": {
+        "utrie": "^1.0.2"
+      }
+    },
     "node_modules/text-table": {
       "version": "0.2.0",
       "resolved": "https://registry.npmmirror.com/text-table/-/text-table-0.2.0.tgz",
@@ -5424,6 +5461,14 @@
       "resolved": "https://registry.npmmirror.com/util-deprecate/-/util-deprecate-1.0.2.tgz",
       "integrity": "sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw=="
     },
+    "node_modules/utrie": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/utrie/-/utrie-1.0.2.tgz",
+      "integrity": "sha512-1MLa5ouZiOmQzUbjbu9VmjLzn1QLXBhwpUa7kdLUQK+KQ5KA9I1vk5U4YHe/X2Ch7PYnJfWuWT+VbuxbGwljhw==",
+      "dependencies": {
+        "base64-arraybuffer": "^1.0.2"
+      }
+    },
     "node_modules/validate-npm-package-license": {
       "version": "3.0.4",
       "resolved": "https://registry.npmmirror.com/validate-npm-package-license/-/validate-npm-package-license-3.0.4.tgz",
@@ -6991,6 +7036,11 @@
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       "dev": true
     },
+    "base64-arraybuffer": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/base64-arraybuffer/-/base64-arraybuffer-1.0.2.tgz",
+      "integrity": "sha512-I3yl4r9QB5ZRY3XuJVEPfc2XhZO6YweFPI+UovAzn+8/hb3oJ6lnysaFcjVpkCPfVWFUDvoZ8kmVDP7WyRtYtQ=="
+    },
     "binary-extensions": {
       "version": "2.3.0",
       "resolved": "https://registry.npmmirror.com/binary-extensions/-/binary-extensions-2.3.0.tgz",
@@ -7276,6 +7326,14 @@
       "resolved": "https://registry.npmmirror.com/crypto-js/-/crypto-js-4.2.0.tgz",
       "integrity": "sha512-KALDyEYgpY+Rlob/iriUtjV6d5Eq+Y191A5g4UqLAi8CyGP9N1+FdVbkc1SxKc2r4YAYqG8JzO2KGL+AizD70Q=="
     },
+    "css-line-break": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/css-line-break/-/css-line-break-2.1.0.tgz",
+      "integrity": "sha512-FHcKFCZcAha3LwfVBhCQbW2nCNbkZXn7KVUJcsT5/P8YmfsVja0FMPJr0B903j/E69HUphKiV9iQArX8SDYA4w==",
+      "requires": {
+        "utrie": "^1.0.2"
+      }
+    },
     "cssesc": {
       "version": "3.0.0",
       "resolved": "https://registry.npmmirror.com/cssesc/-/cssesc-3.0.0.tgz",
@@ -8085,6 +8143,15 @@
       "resolved": "https://registry.npmmirror.com/html-to-image/-/html-to-image-1.11.13.tgz",
       "integrity": "sha512-cuOPoI7WApyhBElTTb9oqsawRvZ0rHhaHwghRLlTuffoD1B2aDemlCruLeZrUIIdvG7gs9xeELEPm6PhuASqrg=="
     },
+    "html2canvas": {
+      "version": "1.4.1",
+      "resolved": "https://registry.npmjs.org/html2canvas/-/html2canvas-1.4.1.tgz",
+      "integrity": "sha512-fPU6BHNpsyIhr8yyMpTLLxAbkaK8ArIBcmZIRiBLiDhjeqvXolaEmDGmELFuX9I4xDcaKKcJl+TKZLqruBbmWA==",
+      "requires": {
+        "css-line-break": "^2.1.0",
+        "text-segmentation": "^1.0.3"
+      }
+    },
     "https": {
       "version": "1.0.0",
       "resolved": "https://registry.npmmirror.com/https/-/https-1.0.0.tgz",
@@ -9588,6 +9655,14 @@
       "integrity": "sha512-te/NtwBwfiNRLf9Ijqx3T0nlqZiQ2XrrtBvu+cLL8ZRrGkO0NHTug8MYFKyoSrv/sHTaSKfilUkizV6XhxMJ3g==",
       "dev": true
     },
+    "text-segmentation": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/text-segmentation/-/text-segmentation-1.0.3.tgz",
+      "integrity": "sha512-iOiPUo/BGnZ6+54OsWxZidGCsdU8YbE4PSpdPinp7DeMtUJNJBoJ/ouUSTJjHkh1KntHaltHl/gDs2FC4i5+Nw==",
+      "requires": {
+        "utrie": "^1.0.2"
+      }
+    },
     "text-table": {
       "version": "0.2.0",
       "resolved": "https://registry.npmmirror.com/text-table/-/text-table-0.2.0.tgz",
@@ -9708,6 +9783,14 @@
       "resolved": "https://registry.npmmirror.com/util-deprecate/-/util-deprecate-1.0.2.tgz",
       "integrity": "sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw=="
     },
+    "utrie": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/utrie/-/utrie-1.0.2.tgz",
+      "integrity": "sha512-1MLa5ouZiOmQzUbjbu9VmjLzn1QLXBhwpUa7kdLUQK+KQ5KA9I1vk5U4YHe/X2Ch7PYnJfWuWT+VbuxbGwljhw==",
+      "requires": {
+        "base64-arraybuffer": "^1.0.2"
+      }
+    },
     "validate-npm-package-license": {
       "version": "3.0.4",
       "resolved": "https://registry.npmmirror.com/validate-npm-package-license/-/validate-npm-package-license-3.0.4.tgz",

package.json

@@ -25,6 +25,7 @@
     "file-saver": "^2.0.5",
     "hfmath": "^0.0.2",
     "html-to-image": "^1.11.13",
+    "html2canvas": "^1.4.1",
     "lodash": "^4.17.21",
     "mitt": "^3.0.1",
     "nanoid": "^5.0.7",

src/views/Student/index.vue

@@ -688,14 +688,36 @@ const handleHomeworkSubmit = async () => {
       else {
         console.log('尝试截图当前页面并提交')
         try {
-          // 导入html-to-image库
-          const { toPng } = await import('html-to-image')
+          // 尝试使用html2canvas，对iframe支持更好
+          let imageData: string
+          
+          try {
+            // 首先尝试使用html2canvas
+            const html2canvas = await import('html2canvas')
+            const canvas = await html2canvas.default(document.querySelectorAll('.viewer-canvas .screen-slide')[slideIndex.value] as HTMLElement, {
+              useCORS: true,
+              allowTaint: true,
+              scale: 1,
+              backgroundColor: '#ffffff',
+              logging: false,
+              // 尝试截取iframe内容
+              foreignObjectRendering: true,
+              removeContainer: true
+            })
+            imageData = canvas.toDataURL('image/png', 0.95)
+            console.log('使用html2canvas截图成功')
+          }
+          catch (html2canvasError) {
+            console.log('html2canvas截图失败，回退到html-to-image:', html2canvasError)
             
-          // 截图当前页面
-          const imageData = await toPng(document.querySelectorAll('.viewer-canvas .screen-slide')[slideIndex.value] as HTMLElement, {
-            quality: 0.95,
-            backgroundColor: '#ffffff'
-          })
+            // 回退到html-to-image
+            const { toPng } = await import('html-to-image')
+            imageData = await toPng(document.querySelectorAll('.viewer-canvas .screen-slide')[slideIndex.value] as HTMLElement, {
+              quality: 0.95,
+              backgroundColor: '#ffffff'
+            })
+            console.log('使用html-to-image截图成功')
+          }
           
           // 将base64字符串转换为File对象
           const base64ToFile = (base64String: string, filename: string): File => {