XML转JSON的存储过程如下:
CREATE PROCEDURE [dbo].[SerializeJSON] ( @XML XML, @json_xml NVARCHAR(MAX) OUTPUT ) AS BEGIN DECLARE @XMLString NVARCHAR(MAX); SET @XMLString = CAST(@XML AS NVARCHAR(MAX)); BEGIN TRY--//开始捕捉异常 DECLARE @JSON NVARCHAR(MAX); DECLARE @Row VARCHAR(MAX); DECLARE @RowStart INT; DECLARE @RowEnd INT; DECLARE @FieldStart INT; DECLARE @FieldEnd INT; DECLARE @KEY VARCHAR(MAX); DECLARE @Value VARCHAR(MAX); DECLARE @StartRoot VARCHAR(100); SET @StartRoot = '<row>'; DECLARE @EndRoot VARCHAR(100); SET @EndRoot = '</row>'; DECLARE @StartField VARCHAR(100); SET @StartField = '<'; DECLARE @EndField VARCHAR(100); SET @EndField = '>'; SET @RowStart = CHARINDEX(@StartRoot, @XMLString, 0); SET @JSON = ''; WHILE @RowStart>0 BEGIN SET @RowStart = @RowStart + LEN(@StartRoot); SET @RowEnd = CHARINDEX(@EndRoot, @XMLString, @RowStart); SET @Row = SUBSTRING(@XMLString, @RowStart, @RowEnd - @RowStart); SET @JSON = @JSON + '{'; --//for each row SET @FieldStart = CHARINDEX(@StartField, @Row, 0); WHILE @FieldStart>0 BEGIN --//parse node key SET @FieldStart = @FieldStart + LEN(@StartField); SET @FieldEnd = CHARINDEX(@EndField, @Row, @FieldStart); DECLARE @end INT = CHARINDEX('/>', @Row, @FieldStart); IF @end<1 OR @end>@FieldEnd BEGIN SET @KEY = SUBSTRING(@Row, @FieldStart, @FieldEnd - @FieldStart); SET @JSON = @JSON + '"' + @KEY + '":'; --//parse node value SET @FieldStart = @FieldEnd + 1; SET @FieldEnd = CHARINDEX('</', @Row, @FieldStart); SET @Value = SUBSTRING(@Row, @FieldStart, @FieldEnd - @FieldStart); SET @JSON = @JSON + '"' + @Value + '",'; END; SET @FieldStart = @FieldStart + LEN(@StartField); SET @FieldEnd = CHARINDEX(@EndField, @Row, @FieldStart); SET @FieldStart = CHARINDEX(@StartField, @Row, @FieldEnd); END; IF LEN(@JSON)>0 SET @JSON = SUBSTRING(@JSON, 0, LEN(@JSON)); SET @JSON = @JSON + '},'; --// for each row SET @RowStart = CHARINDEX(@StartRoot, @XMLString, @RowEnd); END; IF LEN(@JSON)>0 SET @JSON = SUBSTRING(@JSON, 0, LEN(@JSON)); --//SET @JSON = '[' + @JSON + ']'; SET @json_xml = @JSON; END TRY--//结束捕捉异常 BEGIN CATCH--//有异常被捕获 SET @json_xml = @XMLString; END CATCH;--//结束异常处理 END;
以上所述是小编给大家介绍的SqlServer将查询结果转换为XML和JSON,希望对大家有所帮助,如果大家有任何疑问请给我留言,小编会及时回复大家的。在此也非常感谢大家对网站的支持!