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vscode go struct生成 tags

Jul 2, 20227 min read
type Config struct {
	AppName string
	AppPort string
	AppMode string
}

在struct上右键选择 Go: Add Tags To Struct Fields

package tool

type Config struct {
	AppName string `json:"app_name,omitempty"`
	AppPort string `json:"app_port,omitempty"`
	AppMode string `json:"app_mode,omitempty"`
}

omitempty的作用是当一个field的值是empty的时候,序列化JSON时候忽略这个field

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