To view the result tree response data is as follows:
{" code ":" 200 ", "message" : "success", "data" : {" a list ": [{" regionId" : 110000, "Name" : "Beijing"}, {" regionId ": 120000," Name ":" tianjin "}, {" regionId ": 130000," Name ":" hebei "}, {" regionId ": 220000," Name ":" jilin "}, {" regionId ": 310000," Name ":" Shanghai "}]}}

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