如何在SQL Server存储过程中循环和解析xml参数 [英] How to loop and parse xml parameter in sql server stored procedure

问题描述

我想编写一个存储过程，该过程接受XML参数，将其元素解析并将其插入表中.这是我的XML:

I want to write a stored procedure that accept an XML parameter, parsing it's elements and inserting them in a table. This is my XML:

我想循环输入该参数(例如C#中的foreach)，检索每个人，然后解析其数据(ID，NAME，LASTNAME)，然后将其插入具有3个字段的表中.

I want to loop in that parameter(such as a foreach in C#), retrieving each person, then parsing it's data(ID,NAME,LASTNAME) inserting them in a table that has 3 fields.

那怎么办?

推荐答案

尝试以下语句:

SELECT
   Pers.value('(ID)[1]', 'int') as 'ID',
   Pers.value('(Name)[1]', 'Varchar(50)') as 'Name',
   Pers.value('(LastName)[1]', 'varchar(50)') as 'LastName'
FROM
   @YourXml.nodes('/Employees/Person') as EMP(Pers)

这为您提供了很好的数据行/列表示形式.

This gives you a nice, row/column representation of that data.

当然，您可以将其扩展为INSERT语句的第二部分:

And of course, you can extend that to be the second part in an INSERT statement:

INSERT INTO dbo.YourTargetTable(ID, Name, LastName)
  SELECT
     Pers.value('(ID)[1]', 'int') as 'ID',
      Pers.value('(Name)[1]', 'Varchar(50)') as 'Name',
     Pers.value('(LastName)[1]', 'varchar(50)') as 'LastName'
  FROM
     @YourXml.nodes('/Employees/Person') as EMP(Pers)

完成-不需要循环或游标或任何类似的可怕东西！ :-)

Done - no loops or cursors or any awful stuff like that needed! :-)

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