Browse Source
- 新增 getQRCodeUnlimited 方法生成小程序码 - 添加 getLocalAccessToken 方法获取微信 access_token - 更新 WxLoginController 以使用新的二维码生成逻辑- 移除 MqttServiceTest 类，增加 WxDev 类用于微信相关测试 - 更新 Dockerfile 和 docker-compose.yml 以适应新的功能需求main
16 changed files with 265 additions and 140 deletions
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package com.gxwebsoft; |
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import com.fasterxml.jackson.databind.JsonNode; |
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import com.fasterxml.jackson.databind.ObjectMapper; |
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import okhttp3.*; |
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import org.junit.jupiter.api.Test; |
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import org.springframework.beans.factory.annotation.Value; |
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import org.springframework.data.redis.core.StringRedisTemplate; |
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import org.springframework.stereotype.Service; |
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import java.io.IOException; |
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import java.time.Instant; |
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import java.util.concurrent.atomic.AtomicReference; |
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@Service |
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public class WxDev { |
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@Value("${wechat.appid}") |
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private String appId; |
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@Value("${wechat.secret}") |
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private String secret; |
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private final StringRedisTemplate redisTemplate; |
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private final OkHttpClient http = new OkHttpClient(); |
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private final ObjectMapper om = new ObjectMapper(); |
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/** 简单本地缓存 access_token（生产建议放 Redis） */ |
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private final AtomicReference<String> cachedToken = new AtomicReference<>(); |
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private volatile long tokenExpireEpoch = 0L; // 过期的 epoch 秒
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public WxDev(StringRedisTemplate redisTemplate) { |
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this.redisTemplate = redisTemplate; |
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} |
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/** 获取/刷新 access_token */ |
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public String getAccessToken() throws IOException { |
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long now = Instant.now().getEpochSecond(); |
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System.out.println("cachedToken.get = " + cachedToken.get()); |
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if (cachedToken.get() != null && now < tokenExpireEpoch - 60) { |
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return cachedToken.get(); |
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} |
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HttpUrl url = HttpUrl.parse("https://api.weixin.qq.com/cgi-bin/token") |
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.newBuilder() |
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.addQueryParameter("grant_type", "client_credential") |
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.addQueryParameter("appid", "wx51962d6ac21f2ed2") |
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.addQueryParameter("secret", "d821f98de8a6c1ba7bc7e0ee84bcbc8e") |
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.build(); |
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Request req = new Request.Builder().url(url).get().build(); |
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try (Response resp = http.newCall(req).execute()) { |
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String body = resp.body().string(); |
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JsonNode json = om.readTree(body); |
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if (json.has("access_token")) { |
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String token = json.get("access_token").asText(); |
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int expiresIn = json.get("expires_in").asInt(7200); |
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System.out.println("token1 = " + token); |
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cachedToken.set(token); |
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tokenExpireEpoch = now + expiresIn; |
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return token; |
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} else { |
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throw new IOException("Get access_token failed: " + body); |
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} |
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} |
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} |
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/** 调用 getwxacodeunlimit，返回图片二进制 */ |
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public byte[] getUnlimitedCode(String scene, String page, Integer width, |
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Boolean isHyaline, String envVersion) throws IOException { |
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String accessToken = getAccessToken(); |
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System.out.println("accessToken = " + accessToken); |
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HttpUrl url = HttpUrl.parse("https://api.weixin.qq.com/wxa/getwxacodeunlimit") |
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.newBuilder() |
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.addQueryParameter("access_token", accessToken) |
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.build(); |
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// 构造请求 JSON
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// 注意：scene 仅支持可见字符，长度上限 32，尽量 URL-safe（字母数字下划线等）
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// page 必须是已发布小程序内的路径（不带开头斜杠也可）
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var root = om.createObjectNode(); |
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root.put("scene", scene); |
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if (page != null) root.put("page", page); |
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if (width != null) root.put("width", width); // 默认 430，建议 280~1280
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if (isHyaline != null) root.put("is_hyaline", isHyaline); |
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if (envVersion != null) root.put("env_version", envVersion); // release/trial/develop
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RequestBody reqBody = RequestBody.create( |
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root.toString(), MediaType.parse("application/json; charset=utf-8")); |
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Request req = new Request.Builder().url(url).post(reqBody).build(); |
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try (Response resp = http.newCall(req).execute()) { |
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if (!resp.isSuccessful()) { |
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throw new IOException("HTTP " + resp.code() + " calling getwxacodeunlimit"); |
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} |
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MediaType ct = resp.body().contentType(); |
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byte[] bytes = resp.body().bytes(); |
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// 微信出错时返回 JSON，需要识别一下
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if (ct != null && ct.subtype() != null && ct.subtype().contains("json")) { |
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String err = new String(bytes); |
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throw new IOException("WeChat error: " + err); |
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} |
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return bytes; // 成功就是图片二进制（PNG）
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} |
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} |
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@Test |
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public void getQrCode() throws IOException { |
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final byte[] test = getUnlimitedCode("register", "pages/index/index",180,false,"develop"); |
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System.out.println("test = " + test); |
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} |
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} |
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@ -1,52 +0,0 @@ |
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package com.gxwebsoft.hjm; |
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import com.gxwebsoft.hjm.service.MqttService; |
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import org.junit.jupiter.api.Test; |
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import org.springframework.boot.test.context.SpringBootTest; |
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import org.springframework.test.context.ActiveProfiles; |
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import javax.annotation.Resource; |
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/** |
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* MQTT服务测试类 |
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* |
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* @author 科技小王子 |
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* @since 2025-07-02 |
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*/ |
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@SpringBootTest |
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@ActiveProfiles("dev") |
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public class MqttServiceTest { |
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@Resource |
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private MqttService mqttService; |
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@Test |
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public void testMqttConnection() { |
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System.out.println("MQTT连接状态: " + mqttService.isConnected()); |
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System.out.println("MQTT客户端信息: " + mqttService.getClientInfo()); |
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} |
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@Test |
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public void testMqttReconnect() { |
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try { |
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mqttService.reconnect(); |
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System.out.println("MQTT重连测试完成"); |
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} catch (Exception e) { |
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System.err.println("MQTT重连测试失败: " + e.getMessage()); |
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} |
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} |
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@Test |
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public void testMqttPublish() { |
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try { |
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if (mqttService.isConnected()) { |
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mqttService.publish("/test/topic", "测试消息"); |
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System.out.println("MQTT消息发布测试完成"); |
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} else { |
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System.out.println("MQTT未连接，跳过发布测试"); |
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} |
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} catch (Exception e) { |
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System.err.println("MQTT消息发布测试失败: " + e.getMessage()); |
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} |
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} |
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} |
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