feat:增加博客统计组件

docs/.vitepress/theme/utils/functions.ts

@@ -0,0 +1,19 @@
+const pattern
+    = /[a-zA-Z0-9_\u0392-\u03C9\u00C0-\u00FF\u0600-\u06FF\u0400-\u04FF]+|[\u4E00-\u9FFF\u3400-\u4DBF\uF900-\uFAFF\u3040-\u309F\uAC00-\uD7AF]+/g
+
+export function countWord(data: string) {
+    const m = data.match(pattern)
+    let count = 0
+    if (!m) {
+        return 0
+    }
+    for (let i = 0; i < m.length; i += 1) {
+        if (m[i].charCodeAt(0) >= 0x4E00) {
+            count += m[i].length
+        }
+        else {
+            count += 1
+        }
+    }
+    return count
+}