java中mongodb添加查询条件，很简单
解决方法：
查询taskTime>=123456 和action不等于1的数据，查询条件如下所示：
Bson filter = Filters.and(Filters.lte("taskTime", "123456"), Filters.ne("action", 1));
try (MongoCursor<Document> cursor = collection.find(filter).iterator()) {
if (cursor.hasNext()) {
Document taskDoc = cursor.next();
}
}
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