提前感谢您提供任何帮助！

Question

请帮我一件事。

我有两张桌子：

#head

PARAM1 PARAM2 PARAM3
------ ------ ------
AAA    BBB    CCC

#body

NAME                 SEX                  EMAIL
-------------------- -------------------- --------------------
Tania                Female               mail@femail.com
Sergey               male                 mail@mail.com

制作XML我正在使用下一个查询：

Query:

DECLARE @XML VARCHAR(1000)
DECLARE @xmlns VARCHAR(1000)

SET @xmlns = 'http://google.example'
SET @XML =

REPLACE(
            (
            SELECT TOP 1
            Param1 as 'Param1',
            Param2 as 'Param2',
            Param3 as 'Param3',
            @XMLNS AS  xmlns,

                (
                    SELECT 
                        NAME as 'NAME',
                        SEX as 'SEX',
                        EMAIL as 'EMAIL'
                    FROM 
                        #body AS BODY 
                    FOR XML PATH('BODY'),TYPE 
                ) 
                FROM 
                    #head AS HEAD
                FOR XML AUTO

            ),' xmlns=""',''
        ) 

SELECT CAST(@XML AS XML)  AS myXML

当前结果是：

<HEAD xmlns="http://google.example" Param1="AAA" Param2="BBB" Param3="CCC">
  <BODY>
    <NAME>Tania</NAME>
    <SEX>Female</SEX>
    <EMAIL>mail@femail.com</EMAIL>
  </BODY>
  <BODY>
    <NAME>Sergey</NAME>
    <SEX>male</SEX>
    <EMAIL>mail@mail.com</EMAIL>
  </BODY>
</HEAD>

预期结果是：

<ns0:HEAD Param1="AAA" Param2="BBB" Param3="CCC" xmlns:ns0="http://google.example">
  <BODY>
    <NAME>Tania</NAME>
    <SEX>Female</SEX>
    <EMAIL>mail@femail.com</EMAIL>
  </BODY>
  <BODY>
    <NAME>Sergey</NAME>
    <SEX>male</SEX>
    <EMAIL>mail@mail.com</EMAIL>
  </BODY>
</ns0:HEAD>

有人知道如何达到预期结果吗？

提前感谢您提供任何帮助！

Answer 1

如果这是SQL-Server（您的代码如下所示），您可以尝试这样做：

create table #head(PARAM1 varchar(100), PARAM2 varchar(100), PARAM3 varchar(100));
insert into #head values
('AAA','BBB','CCC');

create table #body(NAME varchar(100), SEX  varchar(100), EMAIL varchar(100));
insert into #body values
 ('Tania','Female','mail@femail.com')
,('Sergey','male','mail@mail.com');
GO

- 这也会将命名空间添加到BODY。不应该出问题，这是众所周知的问题......

WITH XMLNAMESPACES('http://google.example' AS ns0)
SELECT PARAM1 AS [@Param1]
      ,PARAM2 AS [@Param2]
      ,PARAM3 AS [@Param3]
      ,(
        SELECT NAME,SEX,EMAIL
        FROM #body
        FOR XML PATH('BODY'),TYPE
       )
FROM #head
FOR XML PATH('ns0:HEAD');

- 如果你想避免使用内部命名空间，你可以试试这个;

DECLARE @bodyXML XML=
(SELECT NAME,SEX,EMAIL
        FROM #body
        FOR XML PATH('BODY'),TYPE
);

WITH XMLNAMESPACES('http://google.example' AS ns0)
SELECT PARAM1 AS [@Param1]
      ,PARAM2 AS [@Param2]
      ,PARAM3 AS [@Param3]
      ,@bodyXML
FROM #head
FOR XML PATH('ns0:HEAD');

- 清理

GO
drop table #head;
drop table #body;

SQL for XML命名空间

提前感谢您提供任何帮助！

1 个答案: