feat(机柜管理): 添加机柜导入导出功能并优化分页查询

- 添加xlsx依赖支持Excel文件处理
- 实现机柜数据的导入导出功能，包括模板下载
- 优化机柜列表的分页查询接口
- 修复机柜可视化页面U位标记位置计算问题
- 更新背景设置和渐变颜色样式

frontend/package-lock.json

@@ -14,7 +14,8 @@
         "react": "^18.2.0",
         "react-dom": "^18.2.0",
         "react-router-dom": "^6.15.0",
-        "three": "^0.160.0"
+        "three": "^0.160.0",
+        "xlsx": "^0.18.5"
       },
       "devDependencies": {
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@@ -1106,6 +1107,15 @@
         "vite": "^4.2.0 || ^5.0.0 || ^6.0.0 || ^7.0.0"
       }
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+    "node_modules/adler-32": {
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+      "resolved": "https://registry.npmjs.org/adler-32/-/adler-32-1.3.1.tgz",
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+      "license": "Apache-2.0",
+      "engines": {
+        "node": ">=0.8"
+      }
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@@ -1287,6 +1297,19 @@
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       "license": "CC-BY-4.0"
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+      "version": "1.2.2",
+      "resolved": "https://registry.npmjs.org/cfb/-/cfb-1.2.2.tgz",
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+      "license": "Apache-2.0",
+      "dependencies": {
+        "adler-32": "~1.3.0",
+        "crc-32": "~1.2.0"
+      },
+      "engines": {
+        "node": ">=0.8"
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@@ -1302,6 +1325,15 @@
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+    "node_modules/codepage": {
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+      "resolved": "https://registry.npmjs.org/codepage/-/codepage-1.15.0.tgz",
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+      "license": "Apache-2.0",
+      "engines": {
+        "node": ">=0.8"
+      }
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@@ -1336,6 +1368,18 @@
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+      "resolved": "https://registry.npmjs.org/crc-32/-/crc-32-1.2.2.tgz",
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+      "license": "Apache-2.0",
+      "bin": {
+        "crc32": "bin/crc32.njs"
+      },
+      "engines": {
+        "node": ">=0.8"
+      }
+    },
     "node_modules/csstype": {
       "version": "3.2.3",
       "resolved": "https://registry.npmjs.org/csstype/-/csstype-3.2.3.tgz",
@@ -1526,6 +1570,15 @@
         "node": ">= 6"
       }
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+    "node_modules/frac": {
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+      "resolved": "https://registry.npmjs.org/frac/-/frac-1.1.2.tgz",
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+      "license": "Apache-2.0",
+      "engines": {
+        "node": ">=0.8"
+      }
+    },
     "node_modules/fsevents": {
       "version": "2.3.3",
       "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-2.3.3.tgz",
@@ -2564,6 +2617,18 @@
         "node": ">=0.10.0"
       }
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+    "node_modules/ssf": {
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+      "resolved": "https://registry.npmjs.org/ssf/-/ssf-0.11.2.tgz",
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+      "license": "Apache-2.0",
+      "dependencies": {
+        "frac": "~1.1.2"
+      },
+      "engines": {
+        "node": ">=0.8"
+      }
+    },
     "node_modules/string-convert": {
       "version": "0.2.1",
       "resolved": "https://registry.npmjs.org/string-convert/-/string-convert-0.2.1.tgz",
@@ -2685,6 +2750,45 @@
         }
       }
     },
+    "node_modules/wmf": {
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+      "resolved": "https://registry.npmjs.org/wmf/-/wmf-1.0.2.tgz",
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+      "license": "Apache-2.0",
+      "engines": {
+        "node": ">=0.8"
+      }
+    },
+    "node_modules/word": {
+      "version": "0.3.0",
+      "resolved": "https://registry.npmjs.org/word/-/word-0.3.0.tgz",
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+      "license": "Apache-2.0",
+      "engines": {
+        "node": ">=0.8"
+      }
+    },
+    "node_modules/xlsx": {
+      "version": "0.18.5",
+      "resolved": "https://registry.npmjs.org/xlsx/-/xlsx-0.18.5.tgz",
+      "integrity": "sha512-dmg3LCjBPHZnQp5/F/+nnTa+miPJxUXB6vtk42YjBBKayDNagxGEeIdWApkYPOf3Z3pm3k62Knjzp7lMeTEtFQ==",
+      "license": "Apache-2.0",
+      "dependencies": {
+        "adler-32": "~1.3.0",
+        "cfb": "~1.2.1",
+        "codepage": "~1.15.0",
+        "crc-32": "~1.2.1",
+        "ssf": "~0.11.2",
+        "wmf": "~1.0.1",
+        "word": "~0.3.0"
+      },
+      "bin": {
+        "xlsx": "bin/xlsx.njs"
+      },
+      "engines": {
+        "node": ">=0.8"
+      }
+    },
     "node_modules/yallist": {
       "version": "3.1.1",
       "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.1.1.tgz",