Json 格式

[
 {"id":"1","name":"太阳系","parent":"root","print":"0","children":
     [
      {"id":"2","name":"地球","parent":"1","print":"0","children":
            [
             {"id":"4","name":"亚洲","parent":"2","print":"0"},
             {"id":"5","name":"非洲","parent":"2","print":"0"}
            ]
      },
      {"id":"3","name":"火星","parent":"1","print":"0"
      }
     ]
 },
 {"id":"6","name":"51号星球","parent":"root","print":"0"}
]