DECLARE @start_date DATETIME DECLARE @end_date DATETIME DECLARE @DAM_ID DECLARE @SENSOR_ID DECLARE @WATER_TOP DECLARE @WATER_LEVEL SET @DAM_ID SET @SENSOR_ID SET @WATER_TOP SET @WATER_LEVEL SET @start_date = '2023-05-01 00:00:00' SET @end_date = GETDATE() WHILE @start_date <= @end_date BEGIN SET @DAM_ID = '27' SET @SENSOR_ID = '65' SET @WATER_TOP = SELECT '231.9' + CAST(FLOOR(RAND()*999999) AS VARCHAR(255)) SET @WATER_LEVEL = SELECT '129.7' + CAST(FLOOR(RAND()*999999) AS VARCHAR(255)) INSERT INTO [B_DAM_WATER_LEVEL] (DAM_ID,SENSOR_ID,WATER_TOP,HOLE_DEPTH,WATER_LEVEL,UPLOAD_TIME) VALUES (@DAM_ID,@SENSOR_ID,@WATER_TOP, @WATER_LEVEL,@start_date) SET @start_date = DATEADD(HOUR, 1, @start_date) END 这个存储过程报错你帮我解决一下

您好，根据您提供的存储过程代码，有以下几个问题：

1. 在设置变量值时，应该使用 SET @WATER_TOP = '231.9' + CAST(FLOOR(RAND()*999999) AS VARCHAR(255))，而不是 SET @WATER_TOP = SELECT '231.9' + CAST(FLOOR(RAND()*999999) AS VARCHAR(255))，同理对于 @WATER_LEVEL 的设置也是如此。

2. 在 INSERT INTO 语句中，HOLE_DEPTH 这一列缺少值，需要设置其值。

3. 在 VALUES 后面的括号中，应该将 @start_date 放在最后一个参数的位置，即 INSERT INTO [B_DAM_WATER_LEVEL] (DAM_ID,SENSOR_ID,WATER_TOP,HOLE_DEPTH,WATER_LEVEL,UPLOAD_TIME) VALUES (@DAM_ID,@SENSOR_ID,@WATER_TOP, @WATER_LEVEL,@start_date)。

修改后的存储过程代码如下：

DECLARE @start_date DATETIME
DECLARE @end_date DATETIME
DECLARE @DAM_ID INT
DECLARE @SENSOR_ID INT
DECLARE @WATER_TOP VARCHAR(255)
DECLARE @WATER_LEVEL VARCHAR(255)

SET @DAM_ID = 27
SET @SENSOR_ID = 65
SET @start_date = '2023-05-01 00:00:00'
SET @end_date = GETDATE()

WHILE @start_date <= @end_date 
BEGIN
    SET @WATER_TOP = '231.9' + CAST(FLOOR(RAND()*999999) AS VARCHAR(255))
    SET @WATER_LEVEL = '129.7' + CAST(FLOOR(RAND()*999999) AS VARCHAR(255))
    INSERT INTO [B_DAM_WATER_LEVEL] (DAM_ID, SENSOR_ID, WATER_TOP, HOLE_DEPTH, WATER_LEVEL, UPLOAD_TIME) 
    VALUES (@DAM_ID, @SENSOR_ID, @WATER_TOP, 0, @WATER_LEVEL, @start_date)
    SET @start_date = DATEADD(HOUR, 1, @start_date)
END

希望能对您有所帮助！