- MongoTemplate提供了很多内置命令用于增删改查
- 比如:executeQuery/find/findAndModify等
- 同时还提供了执行动态命令的语句executeCommand(对应MongoDB命令:runCommand)
二. 使用
- MongoDB原生命令:runCommand
db.runCommand({"find":"tablename","filter":{"fieldName":{$exists:true}},"limit" : 10})
- 对应的MongoTemplate方法executeCommand
String jsonCommand = "{\n" +
"\"find\":\"" + tablename + "\",\n" +
"\"filter\":" + filter + "\n" +
"\"limit\":" + limit + "\n" +
"}";
Document document = this.mongoTemplate.executeCommand(jsonCommand);
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