1.查找并且倒排序,限制显示30条
db.getCollection("cars").find({"title":/appy/,"parentCard":0},{"title":1}).sort({"searchWeight":-1,"collectCount":-1,"createdAt":-1}).limit(30)db.getCollection("cars").find({"
1.查找并且倒排序,限制显示30条
db.getCollection("cars").find({"title":/appy/,"parentCard":0},{"title":1}).sort({"searchWeight":-1,"collectCount":-1,"createdAt":-1}).limit(30)db.getCollection("cars").find({"