2. 获取参数数据（下拉框）

{"code":200,"message":"操作成功","data":{"page":1,"limit":20,"totalPage":2,"total":34,"list":[{"cityId":1,"name":"北京市","lng":"116.407526","lat":"39.904030","parentNames":"","value":"北京市","key":"1","label":"北京市"},{"cityId":7362,"name":"天津市","lng":"117.200983","lat":"39.084158","parentNames":"","value":"天津市","key":"7362","label":"天津市"},{"cityId":13267,"name":"河北省","lng":"114.468664","lat":"38.037057","parentNames":"","value":"河北省","key":"13267","label":"河北省"},{"cityId":67747,"name":"山西省","lng":"112.562398","lat":"37.873531","parentNames":"","value":"山西省","key":"67747","label":"山西省"},{"cityId":99537,"name":"内蒙古自治区","lng":"111.765617","lat":"40.817498","parentNames":"","value":"内蒙古自治区","key":"99537","label":"内蒙古自治区"},{"cityId":115224,"name":"辽宁省","lng":"123.429440","lat":"41.835441","parentNames":"","value":"辽宁省","key":"115224","label":"辽宁省"},{"cityId":133208,"name":"吉林省","lng":"125.325990","lat":"43.896536","parentNames":"","value":"吉林省","key":"133208","label":"吉林省"},{"cityId":145665,"name":"黑龙江省","lng":"126.661669","lat":"45.742347","parentNames":"","value":"黑龙江省","key":"145665","label":"黑龙江省"},{"cityId":161792,"name":"上海市","lng":"121.473701","lat":"31.230416","parentNames":"","value":"上海市","key":"161792","label":"上海市"},{"cityId":167904,"name":"江苏省","lng":"118.763232","lat":"32.061707","parentNames":"","value":"江苏省","key":"167904","label":"江苏省"},{"cityId":191019,"name":"浙江省","lng":"120.152791","lat":"30.267446","parentNames":"","value":"浙江省","key":"191019","label":"浙江省"},{"cityId":224649,"name":"安徽省","lng":"117.284922","lat":"31.861184","parentNames":"","value":"安徽省","key":"224649","label":"安徽省"},{"cityId":244377,"name":"福建省","lng":"119.295144","lat":"26.100779","parentNames":"","value":"福建省","key":"244377","label":"福建省"},{"cityId":262698,"name":"江西省","lng":"115.909228","lat":"28.675696","parentNames":"","value":"江西省","key":"262698","label":"江西省"},{"cityId":285860,"name":"山东省","lng":"117.020359","lat":"36.668530","parentNames":"","value":"山东省","key":"285860","label":"山东省"},{"cityId":367395,"name":"河南省","lng":"113.753602","lat":"34.765515","parentNames":"","value":"河南省","key":"367395","label":"河南省"},{"cityId":420824,"name":"湖北省","lng":"114.341861","lat":"30.546498","parentNames":"","value":"湖北省","key":"420824","label":"湖北省"},{"cityId":452123,"name":"湖南省","lng":"112.983810","lat":"28.112444","parentNames":"","value":"湖南省","key":"452123","label":"湖南省"},{"cityId":483250,"name":"广东省","lng":"113.266530","lat":"23.132191","parentNames":"","value":"广东省","key":"483250","label":"广东省"},{"cityId":511462,"name":"广西壮族自治区","lng":"108.327546","lat":"22.815478","parentNames":"","value":"广西壮族自治区","key":"511462","label":"广西壮族自治区"}]}}