如何使用mongo 中的点记字查询空格的字符串?
原文：How do I query for strings with spaces using dot notation in mongo?
原文：How do I query for strings with spaces using dot notation in mongo?
我在蒙戈数据库中有一个子对象, 包括空格的字段, 例如 {name: "John Doe, subdata: {"Flor 1": "东西", "Freelth 2":\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\