[java] Chỉnh sửa đơn giản để tăng tốc độ load cho UCweb

[java] Chỉnh sửa đơn giản để tăng tốc độ load cho UCweb

Sử dụng Bytecode Editor mở uc.zip tìm với từ khóa
"assign data="

Ðược 1 file class
B1. Chọn "Mở" và sửa 2 dòng 200 thành 2 dòng 80
Hình:
B2.

Tiếp tục xác định methor cần sửa trong file class này. Ta tìm từ khóa sau:Math/min

Sẽ xuất hiện vài methor, ở đây ta chỉ quan tâm tới 1 methor chứa đoạn code như thế này (sẽ mô tả thêm trường hợp khác ở dưới, chỉ cần hiểu qua 1 chút ngôn ngữ bytecode là dễ xác định) :
iload1
iconst2
iadd
bipush 90
invokestatic java/lang/Math/min(II)I
Hình:
Dòng màu vàng là nơi ta cần sửa:
iload1
iconst1
iadd
bipush 100
invokestatic java/lang/Math/min(II)I
Tiếp tục với 2 hoặc 3 đoạn như vậy trong methor này. Lưu lại và nén vào Uc. Test thôi
************
Trường hợp này có thể hơi phức tạp 1 chút thôi, thường là những phiên bản đã qua chỉnh sửa nên sẽ có bạn không xác định được nên sửa ở đâu, ví dụ:
1 Label60:
2 iload1
3 iconst3
4 iadd
5 bipush 90
6 goto Label85
...
20 Label85:
21 invokestatic java/lang/Math/min(II)I
...
Hình:

Trong đoạn này bạn để ý tới dòng thứ 3,4,5 đều tương tự như đoạn mã ở trên cùng bài viết, sau đó làgoto Label85bạn có thể hiểu nó như một lệnhbắc cầutới dòngLabel 85. Xét về nguyên tắc hoạt động thì nó hoàn toàn giống với trường hợp ở trên cùng. Ta sửa lại nó như sau:
1 Label60:
2 iload1
3 iconst1
4 iadd
5 bipush 100
6 goto Label85
..
20 Label85:
21 invokestatic java/lang/Math/min(II)I
Lưu lại và nén vào Uc. Test.
Để kiểm tra sự khác biệt. Trên phiên bản sau khi mod bạn hãy để ý thanh nhỏ nhỏ trên cùng mà mỗi khi truy cập mạng thì nó chạy đó. Ở phiên bản thường, nó sẽ chạy ngắt quãng khoảng 70% đến 80% là nó dừng lại để tải dữ liệu và tiếp tục load trang. Còn sau khi mod thì nó chạy thẳng 1 phát k ngắt hay stop ở đâu cả =">"> load rất mượt nhé

Quay lại
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