58 lines
1.9 KiB
Markdown
58 lines
1.9 KiB
Markdown
# 缓存组件 CacheSource
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  ```CachedCacheSource```是框架主要的缓存组件，主要提供redis和内存两大实现，接口大部分与redis命令保持一致。
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## 使用CacheSouce存放登录会话
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```java
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public class UserService implements Service {
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//用户简单信息缓存
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private final Map<Integer, UserInfo> users = new ConcurrentHashMap<>();
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//使用CacheSource必须要指明泛型
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@Resource(name = "usersessions")
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protected CacheSource sessions;
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//登录
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public RetResult<UserInfo> login(LoginBean bean) { //bean.sessionid 在接入层进行赋值
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UserInfo user = null;
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// 登陆逻辑 user = ...
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users.put(user.getUserid(), user);
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sessions.setLong(600, bean.getSessionid(), user.getUserid()); //session过期时间设置为10分钟
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return new RetResult<>(user);
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}
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//获取当前用户信息
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public UserInfo current(String sessionid) { //给HTTP的BaseServlet用
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Long userid = sessions.getexLong(sessionid, 600);
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return userid == null ? null : users.get(userid.intValue());
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}
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//注销
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public void logout(String sessionid) {
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sessions.del(sessionid);
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}
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}
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```
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## source.properties 配置说明
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```
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# usersession为@Resource.name值
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# type可以不用设置，框架会根据url判断使用哪个CacheSource实现类
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redkale.cachesource.usersession.type = org.redkalex.cache.redis.RedisCacheSource
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# 最大连接数
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redkale.cachesource.usersession.maxconns = 16
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# 节点地址
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redkale.cachesource.usersession.nodes = redis://127.0.0.1:6363
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# 节点密码
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redkale.cachesource.usersession.password = 12345678
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# 节点db
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redkale.cachesource.usersession.db = 0
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#简化写法: 可以不用.node[0], 将参数都合并到url中
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redkale.cachesource.usersession.url = redis://user:123456@127.0.0.1:6363?db=0
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@Resource.name=""的CacheSource
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redkale.cachesource.nodes = redis://127.0.0.1:6363
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redkale.cachesource.password = 12345678
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``` |