import json def process_json(input_json_file, output_json_file): file_in = open(input_json_file, "r") file_out = open(output_json_file, "w") # load数据到变量json_data json_data = json.load(file_in) print json_data print "after update --->" print type(json_data) # 修改json中的数据 json_data["job"] = "hahah" print json_data # 将修改后的数据写回文件 file_out.write(json.dumps(json_data)) file_in.close() file_out.close() process_json("../jsonfile/mysql2hive_templet.json","../jsonfile/mysql2hive_instance.json")