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68 lines
2.2 KiB
68 lines
2.2 KiB
### kratos tool genmc
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> 缓存代码生成
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在internal/dao/dao.go中添加mc缓存interface定义，可以指定对应的[注解参数](../../tool/kratos-gen-mc/README.md)；
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并且在接口前面添加`go:generate kratos tool genmc`；
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然后在当前目录执行`go generate`，可以看到自动生成的mc.cache.go代码。
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### 缓存模板
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```go
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//go:generate kratos tool genmc
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type _mc interface {
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// mc: -key=demoKey
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CacheDemos(c context.Context, keys []int64) (map[int64]*Demo, error)
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// mc: -key=demoKey
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CacheDemo(c context.Context, key int64) (*Demo, error)
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// mc: -key=keyMid
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CacheDemo1(c context.Context, key int64, mid int64) (*Demo, error)
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// mc: -key=noneKey
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CacheNone(c context.Context) (*Demo, error)
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// mc: -key=demoKey
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CacheString(c context.Context, key int64) (string, error)
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// mc: -key=demoKey -expire=d.demoExpire -encode=json
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AddCacheDemos(c context.Context, values map[int64]*Demo) error
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// mc: -key=demo2Key -expire=d.demoExpire -encode=json
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AddCacheDemos2(c context.Context, values map[int64]*Demo, tp int64) error
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// 这里也支持自定义注释 会替换默认的注释
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// mc: -key=demoKey -expire=d.demoExpire -encode=json|gzip
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AddCacheDemo(c context.Context, key int64, value *Demo) error
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// mc: -key=keyMid -expire=d.demoExpire -encode=gob
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AddCacheDemo1(c context.Context, key int64, value *Demo, mid int64) error
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// mc: -key=noneKey
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AddCacheNone(c context.Context, value *Demo) error
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// mc: -key=demoKey -expire=d.demoExpire
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AddCacheString(c context.Context, key int64, value string) error
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// mc: -key=demoKey
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DelCacheDemos(c context.Context, keys []int64) error
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// mc: -key=demoKey
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DelCacheDemo(c context.Context, key int64) error
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// mc: -key=keyMid
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DelCacheDemo1(c context.Context, key int64, mid int64) error
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// mc: -key=noneKey
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DelCacheNone(c context.Context) error
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}
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func demoKey(id int64) string {
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return fmt.Sprintf("art_%d", id)
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}
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func demo2Key(id, tp int64) string {
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return fmt.Sprintf("art_%d_%d", id, tp)
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}
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func keyMid(id, mid int64) string {
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return fmt.Sprintf("art_%d_%d", id, mid)
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}
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func noneKey() string {
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return "none"
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}
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```
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### 参考
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也可以参考完整的testdata例子：kratos/tool/kratos-gen-mc/testdata
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