🎨 #1521 微信小程序 spring-boot-starter 增加一些新特性

weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/config/impl/WxMaDefaultConfigImpl.java

@@ -46,8 +46,8 @@ public class WxMaDefaultConfigImpl implements WxMaConfig {
    */
   private volatile String cardApiTicket;
   private volatile long cardApiTicketExpiresTime;
-  private Lock jsapiTicketLock = new ReentrantLock();
-  private Lock cardApiTicketLock = new ReentrantLock();
+  protected volatile Lock jsapiTicketLock = new ReentrantLock();
+  protected volatile Lock cardApiTicketLock = new ReentrantLock();
   private volatile ApacheHttpClientBuilder apacheHttpClientBuilder;
 
   /**

weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/config/impl/WxMaRedisBetterConfigImpl.java

@@ -0,0 +1,130 @@
+package cn.binarywang.wx.miniapp.config.impl;
+
+import cn.binarywang.wx.miniapp.constant.TicketType;
+import me.chanjar.weixin.common.redis.JedisWxRedisOps;
+import me.chanjar.weixin.common.redis.WxRedisOps;
+import redis.clients.jedis.JedisPool;
+
+import java.util.concurrent.TimeUnit;
+
+/**
+ * 基于redis存储的微信小程序配置类
+ */
+public class WxMaRedisBetterConfigImpl extends WxMaDefaultConfigImpl {
+  private static final String ACCESS_TOKEN_KEY_TPL = "%s:access_token:%s";
+  private static final String TICKET_KEY_TPL = "%s:ticket:key:%s:%s";
+  private static final String LOCK_KEY_TPL = "%s:lock:%s:";
+
+  private final WxRedisOps redisOps;
+  private final String keyPrefix;
+
+  private volatile String accessTokenKey;
+  private volatile String lockKey;
+
+  public WxMaRedisBetterConfigImpl(JedisPool jedisPool) {
+    this(new JedisWxRedisOps(jedisPool), "wa");
+  }
+
+  public WxMaRedisBetterConfigImpl(WxRedisOps redisOps, String keyPrefix) {
+    this.redisOps = redisOps;
+    this.keyPrefix = keyPrefix;
+  }
+
+  @Override
+  public void setAppid(String appId) {
+    super.setAppid(appId);
+    this.accessTokenKey = String.format(ACCESS_TOKEN_KEY_TPL, this.keyPrefix, appId);
+    this.lockKey = String.format(LOCK_KEY_TPL, this.keyPrefix, appId);
+    super.accessTokenLock = this.redisOps.getLock(lockKey.concat("accessTokenLock"));
+    super.jsapiTicketLock = this.redisOps.getLock(lockKey.concat("jsapiTicketLock"));
+    super.cardApiTicketLock = this.redisOps.getLock(lockKey.concat("cardApiTicketLock"));
+  }
+
+  //------------------------------------------------------------------------
+  // token相关
+  //------------------------------------------------------------------------
+  @Override
+  public String getAccessToken() {
+    return redisOps.getValue(this.accessTokenKey);
+  }
+
+  @Override
+  public boolean isAccessTokenExpired() {
+    Long expire = redisOps.getExpire(this.accessTokenKey);
+    return expire == null || expire < 2;
+  }
+
+  @Override
+  public synchronized void updateAccessToken(String accessToken, int expiresInSeconds) {
+    redisOps.setValue(this.accessTokenKey, accessToken, expiresInSeconds - 200, TimeUnit.SECONDS);
+  }
+
+  @Override
+  public void expireAccessToken() {
+    redisOps.expire(this.accessTokenKey, 0, TimeUnit.SECONDS);
+  }
+
+  //------------------------------------------------------------------------
+  // ticket相关
+  //------------------------------------------------------------------------
+  @Override
+  public String getJsapiTicket() {
+    return doGetTicket(TicketType.JSAPI);
+  }
+
+  @Override
+  public boolean isJsapiTicketExpired() {
+    return doIsTicketExpired(TicketType.JSAPI);
+  }
+
+  @Override
+  public void expireJsapiTicket() {
+    doExpireTicket(TicketType.JSAPI);
+  }
+
+  @Override
+  public synchronized void updateJsapiTicket(String jsapiTicket, int expiresInSeconds) {
+    doUpdateTicket(TicketType.JSAPI, jsapiTicket, expiresInSeconds);
+  }
+
+  @Override
+  public String getCardApiTicket() {
+    return doGetTicket(TicketType.WX_CARD);
+  }
+
+  @Override
+  public boolean isCardApiTicketExpired() {
+    return doIsTicketExpired(TicketType.WX_CARD);
+  }
+
+  @Override
+  public void expireCardApiTicket() {
+    doExpireTicket(TicketType.WX_CARD);
+  }
+
+  @Override
+  public synchronized void updateCardApiTicket(String cardApiTicket, int expiresInSeconds) {
+    doUpdateTicket(TicketType.WX_CARD, cardApiTicket, expiresInSeconds);
+  }
+
+  private String getTicketRedisKey(TicketType type) {
+    return String.format(TICKET_KEY_TPL, this.keyPrefix, this.appid, type.getCode());
+  }
+
+  private String doGetTicket(TicketType type) {
+    return redisOps.getValue(this.getTicketRedisKey(type));
+  }
+
+  private boolean doIsTicketExpired(TicketType type) {
+    return redisOps.getExpire(this.getTicketRedisKey(type)) < 2;
+  }
+
+  private void doUpdateTicket(TicketType type, String ticket, int expiresInSeconds) {
+    redisOps.setValue(this.getTicketRedisKey(type), ticket, expiresInSeconds - 200, TimeUnit.SECONDS);
+  }
+
+  private void doExpireTicket(TicketType type) {
+    redisOps.expire(this.getTicketRedisKey(type), 0, TimeUnit.SECONDS);
+  }
+
+}

weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/constant/TicketType.java

@@ -0,0 +1,30 @@
+package cn.binarywang.wx.miniapp.constant;
+
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+
+/**
+ * <pre>
+ * ticket类型枚举
+ * Created by Binary Wang on 2018/11/18.
+ * </pre>
+ *
+ * @author <a href="https://github.com/binarywang">Binary Wang</a>
+ */
+@Getter
+@RequiredArgsConstructor
+public enum TicketType {
+  /**
+   * jsapi
+   */
+  JSAPI("jsapi"),
+  /**
+   * 微信卡券
+   */
+  WX_CARD("wx_card");
+  /**
+   * type代码
+   */
+  private final String code;
+
+}