1,一个字段是数组，如果数组中不存在这个记录时，向数组增加一个记录。 FilterDefinitionBuilder<WorkflowDo> fd = Builders<WorkflowDo>.Filter; var f = f[......]继续阅读

A field is an array. If this record does not exist in the array, add a record to the array. FilterDefinitionBuilder<WorkflowDo> fd[......]继续阅读