99 lines
4.2 KiB
Java
99 lines
4.2 KiB
Java
import java.io.InputStream;
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import java.io.OutputStream;
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import java.net.HttpURLConnection;
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import java.net.URL;
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import java.nio.charset.StandardCharsets;
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import java.util.LinkedHashMap;
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import java.util.Map;
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/**
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* 代收 Demo。编译：javac -encoding UTF-8 *.java
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* 运行：java Demo balance|submit|query <OrderNo>
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*/
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public class Demo {
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static final String BASE_URL = env("BASE_URL", "https://example.com").replaceAll("/$", "");
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static final String ACCESS_KEY = env("ACCESS_KEY", "your_access_key");
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static final String SECRET_KEY = env("SECRET_KEY", "your_secret_key");
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static final String PAY_CHANNEL_ID = env("PAY_CHANNEL_ID", "3084");
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public static void main(String[] args) throws Exception {
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if (args.length < 1) {
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System.out.println("usage: java Demo balance|submit|query <OrderNo>");
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return;
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}
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String cmd = args[0];
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if ("balance".equals(cmd)) {
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Map<String, Object> body = new LinkedHashMap<>();
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body.put("Timestamp", System.currentTimeMillis() / 1000);
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body.put("AccessKey", ACCESS_KEY);
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System.out.println(post("/api/apiv1/open/pay/querybalance", body));
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} else if ("submit".equals(cmd)) {
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String orderNo = "DEMO" + new java.text.SimpleDateFormat("yyyyMMddHHmmss").format(new java.util.Date()) + String.format("%04d", new java.util.Random().nextInt(10000));
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Map<String, Object> body = new LinkedHashMap<>();
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body.put("Timestamp", System.currentTimeMillis() / 1000);
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body.put("AccessKey", ACCESS_KEY);
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body.put("PayChannelId", PAY_CHANNEL_ID);
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body.put("OrderNo", orderNo);
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body.put("Amount", "100.01");
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body.put("CallbackUrl", "https://xxxxx.com/xxxx/callback");
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body.put("Ext", "-");
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body.put("Payer", "张三");
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body.put("PayerNo", "123456789@qq.com");
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body.put("PayerAddress", "支付宝");
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System.out.println(post("/api/apiv1/open/pay/submit", body));
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} else if ("query".equals(cmd)) {
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if (args.length < 2) {
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System.out.println("usage: java Demo query <OrderNo>");
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return;
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}
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Map<String, Object> body = new LinkedHashMap<>();
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body.put("Timestamp", System.currentTimeMillis() / 1000);
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body.put("AccessKey", ACCESS_KEY);
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body.put("OrderNo", args[1]);
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System.out.println(post("/api/apiv1/open/pay/queryorder", body));
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} else {
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System.out.println("unknown command: " + cmd);
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}
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}
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static String post(String path, Map<String, Object> body) throws Exception {
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body.put("Sign", SignUtil.buildSign(body, SECRET_KEY));
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String json = toJson(body);
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HttpURLConnection conn = (HttpURLConnection) new URL(BASE_URL + path).openConnection();
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conn.setRequestMethod("POST");
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conn.setConnectTimeout(15000);
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conn.setReadTimeout(30000);
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conn.setDoOutput(true);
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conn.setRequestProperty("Content-Type", "application/json; charset=UTF-8");
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try (OutputStream os = conn.getOutputStream()) {
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os.write(json.getBytes(StandardCharsets.UTF_8));
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}
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try (InputStream in = conn.getResponseCode() >= 400 ? conn.getErrorStream() : conn.getInputStream()) {
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return new String(in.readAllBytes(), StandardCharsets.UTF_8);
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}
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}
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static String env(String k, String def) {
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String v = System.getenv(k);
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return v == null || v.isEmpty() ? def : v;
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}
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/** 极简 JSON（仅本 Demo 字段类型） */
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static String toJson(Map<String, Object> map) {
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StringBuilder sb = new StringBuilder("{");
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boolean first = true;
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for (Map.Entry<String, Object> e : map.entrySet()) {
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if (!first) sb.append(',');
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first = false;
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sb.append('"').append(e.getKey()).append('"').append(':');
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Object v = e.getValue();
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if (v instanceof Number) {
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sb.append(v);
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} else {
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sb.append('"').append(String.valueOf(v).replace("\\", "\\\\").replace("\"", "\\\"")).append('"');
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}
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}
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return sb.append('}').toString();
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}
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}
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