Hướng dẫn byte array to image php - mảng byte sang hình ảnh php

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Tôi đang sử dụng PHP để truy xuất dữ liệu từ dịch vụ SOAP, một phần trong đó là mảng byte của hình ảnh được mã hóa trong Base64 và tôi muốn hiển thị hình ảnh đó trong trình duyệt. Bước truy xuất dữ liệu hoạt động tốt, nhưng tôi không thể tìm thấy một cách duy nhất để hiển thị hình ảnh này trong trình duyệt. Giả sử rằng mảng byte được lưu trữ trong PHP là $ bytearray:
Assuming that the byte array is stored in PHP as $byteArray:

$img = "
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Nếu bạn chạy mã này:
$imgData = "/9j/4AAQSkZJRgABAQEBLAEsAAD/7gAOQWRvYmUAZAAAAAAA/+0TrFBob3Rvc2hvcCAzLjAAOEJJ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neDxTvyXX//Z";
echo "
Alain Tiembloalain TiembloAlain Tiemblo
35K16 Huy hiệu vàng120 Huy hiệu bạc151 Huy hiệu đồng16 gold
badges120 silver badges151 bronze badges
Bạn cần Base64 mã hóa dữ liệu. Điều này là bắt buộc và đảm bảo rằng các chuyển đổi Charset không chạm vào dữ liệu.
Mã chính xác phải là



$imgData = base64_encode($byteArray);
$img = "
Jannis froesejannis froeseJannis Froese
1.3071 huy hiệu vàng9 Huy hiệu bạc23 Huy hiệu đồng1 gold badge9 silver badges23 bronze badges
2
Dưới đây là một ví dụ đầy đủ về việc duyệt một tệp hình ảnh .jpg và chuyển đổi nó thành định dạng byte base64 và gửi nó đến máy chủ. Tập lệnh máy chủ php sẽ giải mã và lưu hình ảnh vào máy chủ.
 Server script php will decode and save image to server.
HTML







    
     
    



PHP


Flexo ♦♦
85,8K22 Huy hiệu vàng184 Huy hiệu bạc268 Huy hiệu đồng22 gold badges184 silver badges268 bronze badges
 Đã trả lời ngày 13 tháng 12 năm 2013 lúc 14:01Dec 13, 2013 at 14:01
 
0