From d059d016a6b6fb3a28d5189acbe037e336638211 Mon Sep 17 00:00:00 2001
From: wangxiaoshuang <825034831@qq.com>
Date: Mon, 19 Jan 2026 17:51:11 +0800
Subject: [PATCH] =?UTF-8?q?=E4=B8=8B=E8=BD=BD=E6=96=87=E4=BB=B6=E4=B8=AD?=
 =?UTF-8?q?=E6=96=87=E4=B9=B1=E7=A0=81=E9=97=AE=E9=A2=98?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/utils/zip-stream.js | 19 +++++++++++--------
 1 file changed, 11 insertions(+), 8 deletions(-)

diff --git a/src/utils/zip-stream.js b/src/utils/zip-stream.js
index 4c3066b2..c63c1250 100644
--- a/src/utils/zip-stream.js
+++ b/src/utils/zip-stream.js
@@ -61,7 +61,7 @@ function concatUint8(chunks, total) {
 function createWriter(underlyingSource) {
   const files = Object.create(null)
   const filenames = []
-  const encoder = new TextEncoder()
+  const encoder = new TextEncoder() // 保持UTF-8编码
 
   let offset = 0 // bytes written to output so far
   let activeZipIndex = 0
@@ -141,7 +141,7 @@ function createWriter(underlyingSource) {
       if (fileLike.directory && !name.endsWith('/')) name += '/'
       if (files[name]) throw new Error('File already exists.')
 
-      const nameBuf = encoder.encode(name)
+      const nameBuf = encoder.encode(name) // 保持UTF-8编码
       const commentBuf = encoder.encode(fileLike.comment || '')
       const { time, date } = dosDateTime(typeof fileLike.lastModified === 'undefined' ? Date.now() : fileLike.lastModified)
 
@@ -174,15 +174,17 @@ function createWriter(underlyingSource) {
         writeLocalHeader() {
           this.offset = offset
 
-          const generalPurposeBitFlag = 0x0008 // data descriptor present
+          // 关键修改：设置通用位标记，第11位（0x0800）表示文件名使用UTF-8编码
+          // 保留原0x0008（数据描述符存在），新增0x0800（UTF-8编码）
+          const generalPurposeBitFlag = 0x0808 
           const compressionMethod = 0 // store
-          const versionNeeded = 20 // 2.0 (ZIP64 switches this to 45)
+          const versionNeeded = this.needsZip64() ? 45 : 20 // 适配ZIP64
 
           // We always use data descriptor; write zeros for crc/sizes in local header
           const local = getDataHelper(30 + this.nameBuf.length)
           u32(local.view, 0, ZIP_SIGNATURE_LOCAL)
           u16(local.view, 4, versionNeeded)
-          u16(local.view, 6, generalPurposeBitFlag)
+          u16(local.view, 6, generalPurposeBitFlag) // 应用UTF-8标记
           u16(local.view, 8, compressionMethod)
           u16(local.view, 10, this.time)
           u16(local.view, 12, this.date)
@@ -250,7 +252,8 @@ function createWriter(underlyingSource) {
 
       const versionMadeBy = useZip64 ? 45 : 20
       const versionNeeded = useZip64 ? 45 : 20
-      const generalPurposeBitFlag = 0x0008
+      // 关键修改：中央目录也需要设置UTF-8标记
+      const generalPurposeBitFlag = 0x0808 
       const compressionMethod = 0
 
       const crc = file.crc ? file.crc.get() >>> 0 : 0
@@ -277,7 +280,7 @@ function createWriter(underlyingSource) {
       u32(cd.view, 0, ZIP_SIGNATURE_CENTRAL)
       u16(cd.view, 4, versionMadeBy)
       u16(cd.view, 6, versionNeeded)
-      u16(cd.view, 8, generalPurposeBitFlag)
+      u16(cd.view, 8, generalPurposeBitFlag) // 中央目录应用UTF-8标记
       u16(cd.view, 10, compressionMethod)
       u16(cd.view, 12, file.time)
       u16(cd.view, 14, file.date)
@@ -376,4 +379,4 @@ function createWriter(underlyingSource) {
   })
 }
 
-window.ZIP = createWriter
+window.ZIP = createWriter
\ No newline at end of file