用SQL将JSON数据输出表值数据

存储过程代码

 CREATE PROC Proc_JsonConvertTable(@JSON VARCHAR(MAX))
 AS
 --JSON测试数据
 --SET @JSON='[{name:张三,age:18,hobby:打篮球},{name:李四,age:30,hobby:唱歌},{name:王五,age:33,hobby:跳舞}]';
 --JSON测试数据处理
 SET @JSON=REPLACE(@JSON,'[','');
 SET @JSON=REPLACE(@JSON,']','');
 SET @JSON=REPLACE(@JSON,'},{','}-*{');
 DECLARE @ColName VARCHAR(15),
         @ColName_CN VARCHAR(15),
         @Value VARCHAR(100);

 --取列名
 SELECT TOP 1
         @Value=Value
 FROM    dbo.SplitString(@JSON,'-*',1);
 DECLARE @Value2 VARCHAR(100);
 SET @Value2=@Value;
 SET @Value2=REPLACE(@Value2,':',',');
 SET @Value2=REPLACE(@Value2,'"','');
 SET @Value2=REPLACE(@Value2,'{','');
 SET @Value2=REPLACE(@Value2,'}','');
 DECLARE cr1 CURSOR
 FOR
 SELECT  Value
 FROM    dbo.SplitString(@Value2,',',1);
 OPEN cr1;
 DECLARE @col VARCHAR(50),
         @createSQL VARCHAR(500);
 --拼接创建临时表的SQL
 SET @createSQL='CREATE TABLE #TABLE (';
 FETCH NEXT FROM cr1 INTO @col;

 DECLARE @forindex INT;
 SET @forindex=2;
 WHILE @@FETCH_STATUS=0
       BEGIN
             IF @forindex%2=0
                BEGIN
                      SET @createSQL=@createSQL+@col+' VARCHAR(50) NOT NULL,';
                      SET @JSON=REPLACE(@JSON,'"','');
                      SET @JSON=CONVERT(VARCHAR(500),REPLACE(@JSON,':','ACC'));
                      SET @JSON=REPLACE(@JSON,@col+'ACC','');
                END;
             SET @forindex=@forindex+1;
             FETCH NEXT FROM cr1 INTO @col;

       END;
 CLOSE cr1;
 DEALLOCATE cr1;
 SET @createSQL=SUBSTRING(@createSQL,0,LEN(@createSQL));
 SET @createSQL=@createSQL+');';
 PRINT @createSQL;

 --处理JSON数据,并将数据插入到临时表
 DECLARE cr CURSOR
 FOR
 SELECT  Value
 FROM    dbo.SplitString(@JSON,'-*',1);
 OPEN cr;
 FETCH NEXT FROM cr INTO @Value;

 WHILE @@FETCH_STATUS=0
       BEGIN
             SET @Value=REPLACE(@Value,'{','');
             SET @Value=REPLACE(@Value,'}','');
             SET @Value=REPLACE(@Value,'"','');

             PRINT @Value;
             SET @col=(SELECT    ''''+Value+''''+','
                       FROM      SplitString(@Value,',',1)
                 FOR   XML PATH(''));
             SELECT  @col=SUBSTRING(@col,0,LEN(@col));
             PRINT @col;
             SET @createSQL=@createSQL+'INSERT INTO #TABLE SELECT '+@col+';';
             FETCH NEXT FROM cr INTO @Value;
       END;
 SET @createSQL=@createSQL+'SELECT * FROM #TABLE;';
 PRINT @createSQL;
 CLOSE cr;
 DEALLOCATE cr;

 --执行SQL,并输出结果
 EXEC(@createSQL);

测试代码

EXEC Proc_JsonConvertTable @JSON='[{name:蔡徐坤,age:18,hobby:唱、跳、Rap、篮球},{name:李四,age:30,hobby:唱歌},{name:王五,age:33,hobby:跳舞}]'

测试结果