domain/src/main/assets/city.txt

{
  "cities":
  [
    
    {"_id":CN101090501,"name":"Tangshan","country":"CN","coord":{"lon":119.066383,"lat":32.05389}},

    {"_id":CN101090101,"name":"Shijiazhuang","country":"CN","coord":{"lon":113.116943,"lat":38.167221}},

    {"_id":CN101090901,"name":"Xingtai","country":"CN","coord":{"lon":114.494171,"lat":37.063061}},

    {"_id":CN101210101,"name":"Hangzhou","country":"CN","coord":{"lon":120.161423,"lat":30.29365}},

    {"_id":CN101020100,"name":"Shanghai","country":"CN","coord":{"lon":121.458061,"lat":31.222219}},

    {"_id":CN101120201,"name":"Qingdao","country":"CN","coord":{"lon":120.371941,"lat":36.09861}}

  ]

}