elasticsearch bool query(布尔类型query)

组合布尔类型的查询

    {
        "bool" : {
            "must" :     [],
            "should" :   [],
            "must_not" : [],
        }
    }

• must

    All of these clauses must match. The equivalent of AND.
  

• must_not

    All of these clauses must not match. The equivalent of NOT.
  

• should

    At least one of these clauses must match. The equivalent of OR.