dongzhuang6417
2016-11-08 16:04
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在golang中合并两个JSON字符串

I have a struct which I convert to JSON in the old fashioned way:

type Output struct {
    Name     string   `json:"name"`
    Command  string   `json:"command"`
    Status   int      `json:"status"`
    Output   string   `json:"output"`
    Ttl      int      `json:"ttl,omitempty"`
    Source   string   `json:"source,omitempty"`
    Handlers []string `json:"handlers,omitempty"`
  }

sensu_values := &Output{
      Name:     name,
      Command:  command,
      Status:   status,
      Output:   output,
      Ttl:      ttl,
      Source:   source,
      Handlers: [handlers],
    }

I want to read an arbitrary JSON file from the filesystem, which can be defined as anything by the user, and then add it to the existing JSON string, taking the duplicates from the original.

How can I do this?

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1条回答 默认 最新

  • dsadsadsa1231 2016-11-09 02:56
    已采纳

    Input JSON :

    {
        "environment": "production",
        "runbook": "http://url",
        "message": "there is a problem"
    }
    

    It's better to unmarshal the input JSON and combine the two structures before marshaling Output struct.

    Sample Code

    inputJSON := `{"environment": "production", "runbook":"http://url","message":"there is a problem"}`
    out := map[string]interface{}{}
    json.Unmarshal([]byte(inputJSON), &out)
    
    out["name"] = sensu_values.Name
    out["command"] = sensu_values.Command
    out["status"] = sensu_values.Status
    
    outputJSON, _ := json.Marshal(out)
    

    Play Link

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