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[英]Attach base64 string converted image to request form data in backend?
[英]Posting base64 converted image data
C#中的此python代码等效于什么。 这将打开文件中的图像,并将其转换为base64编码的字符串并发送POST请求。 请帮忙。
#!/usr/bin/python
import requests
import base64
import json
# Sample image file is available at http://plates.openalpr.com/ea7the.jpg
IMAGE_PATH = '/tmp/sample.jpg'
SECRET_KEY = 'sk_DEMODEMODEMODEMODEMODEMO'
with open(IMAGE_PATH, 'rb') as image_file:
img_base64 = base64.b64encode(image_file.read())
url = 'https://api.openalpr.com/v2/recognize_bytes?recognize_vehicle=1&country=us&secret_key=%s' % (SECRET_KEY)
r = requests.post(url, data = img_base64)
print(json.dumps(r.json(), indent=2))
未经测试,但足以让您开始。
using System;
using System.IO;
using System.Net.Http;
using System.Threading.Tasks;
namespace image
{
class Program
{
static async Task Main(string[] args)
{
var bytes = File.ReadAllBytes("/tmp/sample.jpg");
var base64 = Convert.ToBase64String(bytes);
var secretKey = "my_key";
var url = $"http://yoururl.com?my_key={secretKey}";
using(var client = new HttpClient())
{
var content = new StringContent(base64);
var response = await client.PostAsync(url, content);
var stringResponse = await response.Content.ReadAsStringAsync();
Console.WriteLine(stringResponse);
}
}
}
}
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