DSL（持续补充）

https://blog.csdn.net/weixin_38747692/article/details/106890710

{
    "query":{
        "bool":{
            "filter":[
                {
                    "bool":{
                        "should":[
                            {
                                "term":{              -----pubYear 为2020 则筛选出doc
                                    "pubYear":{
                                        "value":"2020",
                                        "boost":1
                                    }
                                }
                            },
                            {
                                "bool":{
                                    "must_not":[   -----pubYear 为空也筛选出doc
                                        {
                                            "exists":{
                                                "field":"pubYear",
                                                "boost":1
                                            }
                                        }
                                    ],
                                    "disable_coord":false,     ---启用协调因子，其实bool 查询默认会对所有 should 语句使用协调功能的。 协调因子能使匹配度高的文档评分更高。协调因子 参考：https://blog.csdn.net/xyh930929/article/details/72378690

                                    "adjust_pure_negative":true,
                                    "boost":1   ---指定一个boost值来控制每个查询子句的相对权重，该值默认为1。一个大于1的boost会增加该查询子句的相对权重
                                }
                            }
                        ],
                        "disable_coord":false,
                        "adjust_pure_negative":true,
                        "minimum_should_match":"1",  ---minimum_should_match  最小匹配度  只能紧跟在should的后面
                        "boost":1
                    }
                },
                {
                    "bool":{
                        "should":[
                            {
                                "term":{
                                    "pubArea.province":{
                                        "value":"台湾省",
                                        "boost":1
                                    }
                                }
                            },
                            {
                                "bool":{
                                    "must_not":[
                                        {
                                            "exists":{
                                                "field":"pubArea.province",
                                                "boost":1
                                            }
                                        }
                                    ],
                                    "disable_coord":false,
                                    "adjust_pure_negative":true,
                                    "boost":1
                                }
                            }
                        ],
                        "disable_coord":false,
                        "adjust_pure_negative":true,
                        "minimum_should_match":"1",
                        "boost":1
                    }
                },
                {
                    "bool":{
                        "should":[
                            {
                                "terms":{
                                    "type":[
                                        "知识产权"
                                    ],
                                    "boost":1
                                }
                            },
                            {
                                "bool":{
                                    "must_not":[
                                        {
                                            "exists":{
                                                "field":"type",
                                                "boost":1
                                            }
                                        }
                                    ],
                                    "disable_coord":false,
                                    "adjust_pure_negative":true,
                                    "boost":1
                                }
                            }
                        ],
                        "disable_coord":false,
                        "adjust_pure_negative":true,
                        "minimum_should_match":"1",
                        "boost":1
                    }
                }
            ],
            "should":[
                {
                    "match_all":{
                        "boost":1
                    }
                }
            ],
            "disable_coord":false,
            "adjust_pure_negative":true,
            "boost":1
        }
    }
}