dougou8552 2017-01-13 18:50
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按字段内容过滤包含字符串

I've some object :

{
    "name":  "universite paris sorbonne" ,
    "id":  "548272c9-6615-4e93-aa15-9af0a830c9a2"
}
{
    "name":  "universite paris dauphine" ,
    "id":  "943234f3-6615-4e93-aa15-9af0a830c9a2"
}
{
    "name":  "universite sorbonne nouvelle" ,
    "id":  "24f477f3-6615-4e93-aa15-9af0a830c9a2"
}

How can i do if i would like select each object which contain paris dau in their name ?

I've tried with that, but it doesn't work.

    curs, _ = r.Table("places").
    Filter(func(customer r.Term) interface{}{
        return customer.Field('name').Downcase().Contains(func (custo r.Term) interface{}{
            return custo.Match(".\\*" + strings.ToLower('paris dau') + ".\\*")
        })

any suggest ?

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1条回答 默认 最新

  • donglun4682 2017-01-13 23:48
    关注

    I simplified your problem a bit by dumping the data into a map and then did a simple regexp match which works well.

    package main

    import (
      "fmt"
      "regexp"
    )
    
    
    func main() {
      data := map[string]string{
        "548272c9-6615-4e93-aa15-9af0a830c9a2": "universite paris sorbonne",
        "943234f3-6615-4e93-aa15-9af0a830c9a2": "universite paris dauphine",
        "24f477f3-6615-4e93-aa15-9af0a830c9a2": "universite sorbonne nouvelle",
      }
    
      var matches = make([]string, 0)
      for _, value := range data {
        matched, err := regexp.MatchString(".*paris dau.*", value)
        if err == nil && matched {
          matches = append(matches, value)
        }
      }
    
      fmt.Printf("Matches: %v
    ", matches)
    }
    
    本回答被题主选为最佳回答 , 对您是否有帮助呢?
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