现在mongodb里面存了这些模拟数据
{
"_id" : ObjectId("590c15751f70bd329f8a972d"),
"m" : "1",
"n" : "2",
"p" : "3"
}
{
"_id" : ObjectId("591c15751f70bd329f8a972d"),
"m" : "2",
"n" : "3",
"p" : "1"
}
{
"_id" : ObjectId("541c15751f70bd329f8a972d"),
"m" : "2",
"n" : "3",
"p" : "1"
}
我怎么获取这全部字段的值啊 这些字段只是我举的例子 具体肯定不止这一些字段,所以不可能一个个具体写入字段名来获取值
请问各位大佬麻烦帮忙解答下