package models import "encoding/json" func (this *MetricChart) DecodeIgnoredKeys() []string { if len(this.IgnoredKeys) == 0 { return []string{} } var result = []string{} err := json.Unmarshal([]byte(this.IgnoredKeys), &result) if err != nil { // 这里忽略错误 return result } return result }