我是mongodb，nodejs和mongooseJS的新手。最近，我一直在尝试为JSON创建猫鼬模式。
{
"endpoints":["a","z"],
"poi":[{
"location_name": "a",
"latitude": " 10.1075702",
"longitude": "76.345662",
"distance" : "0.0"
}, {
"location_name": "b",
"latitude": "10.110199",
"longitude": "76.3489361",
"distance" : "2.0"
}, {
"location_name": "c",
"latitude": "10.1197471",
"longitude": "76.342873",
"distance" : "3.1"
}, {
"location_name": "d",
"latitude": "10.1254479",
"longitude": "76.3332626",
"distance" : "4.4"
}, {
"location_name": "e",
"latitude": "10.1443277",
"longitude": "76.2566017",
"distance" : "13.9"
}, {
"location_name": "f",
"latitude": "10.1487145",
"longitude": "76.2441114",
"distance" : "15"
}, {
"location_name": "z",
"latitude": "10.145578",
"longitude": "76.2317077",
"distance" : "16.9" …