wechat/
wechat.rs

1use openssl::rsa::Rsa;
2use openssl::x509::X509;
3use pay::wechat::WeChatPay;
4use reqwest::Client;
5use serde_json::json;
6use std::collections::HashMap;
7use std::fs::File;
8use std::io::Read;
9
10#[tokio::main]
11async fn main() -> Result<(), Box<dyn std::error::Error>> {
12    // 「商户API证书」的「证书序列号」
13    // 从本地文件中加载「微信支付平台证书」(可使用证书下载工具得到），用来验证微信支付应答的签名
14    let merchant_id = "190000****".to_string();
15    let merchant_certificate_serial = "3775B6A45ACD588826D15E583A95F5DD********".to_string();
16
17    let mut merchant_private_key_file = File::open("/path/to/merchant/apiclient_key.pem").unwrap();
18    let mut merchant_private_key = vec![];
19    merchant_private_key_file
20        .read_to_end(&mut merchant_private_key)
21        .unwrap();
22    let merchant_private_key_instance = Rsa::private_key_from_pem(&merchant_private_key).unwrap();
23
24    let mut platform_certificate_file = File::open("/path/to/wechatpay/cert.pem").unwrap();
25    let mut platform_certificate = vec![];
26    platform_certificate_file
27        .read_to_end(&mut platform_certificate)
28        .unwrap();
29    let platform_public_key_instance = X509::from_pem(&platform_certificate)
30        .unwrap()
31        .public_key()
32        .unwrap();
33
34    let platform_certificate_serial = X509::from_pem(&platform_certificate)
35        .unwrap()
36        .serial_number()
37        .to_bn()
38        .expect("REASON");
39    let mut certs = HashMap::new();
40    certs.insert(
41        platform_certificate_serial.to_string(),
42        platform_public_key_instance,
43    );
44
45
46    let instance = WeChatPay::new(
47        merchant_id,
48        merchant_certificate_serial,
49        merchant_private_key_instance,
50        certs,
51    );
52
53    let client = Client::new();
54
55    let payment = json!({
56        "mchid": "1900006XXX",
57        "out_trade_no": "native12177525012014070332333",
58        "appid": "wxdace645e0bc2cXXX",
59        "description": "Image形象店-深圳腾大-QQ公仔",
60        "notify_url": "https://weixin.qq.com/",
61        "amount": {
62            "total": 1,
63            "currency": "CNY"
64        }
65    });
66
67    let resp = client
68        .post("https://api.mch.weixin.qq.com/v3/pay/transactions/native")
69        .json(&payment)
70        .send()
71        .await?;
72
73    let body = resp.text().await?;
74
75    println!("{}", body);
76
77    Ok(())
78}
wechat/wechat.rs

wechat/
wechat.rs
