1. 将图片转化为base64编码
import base64with open("C:/1.jpg", "rb") as f:# b64encode是编码，b64decode是解码base64_data = base64.b64encode(f.read())# base64.b64decode(base64data)base64_data_str = str(base64_data, encoding="utf-8")html_str = "data:image/jpg;base64," + base64_data_strprint(base64_data_str)
2. 在html网页显示
<!DOCTYPE html><html lang="en"><head><meta charset="UTF-8"><title>Title</title></head><body><img src="data:image/jpg;base64,/9j/4AAQSkZJRgABAQEASABI ...... F//9k=" /></body></html>
3. 后端传base64到前端展示
在实际应用中，前端有时不能直接加载本地图片路径，所以需要把图片转为base64格式后，再传到前端进行展示：
后端代码：
import base64from django.shortcuts import renderfrom django.core.paginator import Paginatordef recog(request, image_file_list):img_list = []for image in image_file_list:with open(image, "rb") as f:# b64encode是编码，b64decode是解码base64_data = base64.b64encode(f.read())# base64.b64decode(base64data)base64_data_str = "data:image/jpg;base64," + str(base64_data, encoding="utf-8")img_list.append(base64_data_str)paginator = Paginator(img_list, 1) # 实例化Paginator, 每页显示1条数据page = paginator.page(paginator.num_pages) # 传递当前页的实例对象到前端# print(page.paginator, page.object_list)context = {"page": page}return render(request, 'recog.html', context)
前端代码(部分)：
{% for item in page %}<div><img src="{{ item }}" /></div>{% endfor %}
