42 lines
816 B
Go
42 lines
816 B
Go
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/*
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* @Author : huangzj
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* @Time : 2021/2/3 9:50
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* @Description：
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*/
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package merge
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import (
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"fmt"
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"github.com/imdario/mergo"
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"log"
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"testing"
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)
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type redisConfig2 struct {
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Address string
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Port int
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DBs []int
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}
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var defaultConfig2 = redisConfig2{
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Address: "127.0.0.1",
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Port: 6381,
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}
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// 前提：需要配置 WithOverride 一起使用
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// WithOverrideEmptySlice 空数组覆盖
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// WithOverwriteWithEmptyValue 空字段、空数组覆盖
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func TestNilOverride(t *testing.T) {
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var config redisConfig2
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config.DBs = []int{2, 3}
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if err := mergo.Merge(&config, defaultConfig2, mergo.WithOverride, mergo.WithOverrideEmptySlice); err != nil {
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log.Fatal(err)
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}
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fmt.Println("redis address: ", config.Address)
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fmt.Println("redis port: ", config.Port)
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fmt.Println("redis dbs: ", config.DBs)
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}
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