Json型字符串取出固定的Key值并用逗号拼接

  String json = "[{'day1':'work','day2':26},{'day1':123,'day2':26}]";
        StringJoiner sj1 = new StringJoiner(",");
        JSONArray jsonArray = JSONArray.fromObject( json);
        for(int i=0; i

结果:

Json型字符串取出固定的Key值并用逗号拼接_第1张图片

 

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