Sunspl

已知: 字段A='F:\photo\Winter Leaves.jpg'   
要求:分段截取每段字符[字段A不能为TEXT类型,否则报错]
解决方法:
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---截取字符串A的第一个\左边的字符串
select left(A,charindex('/',A)-1)
输出结果：F:
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---截取\中间的字符串
select   left(stuff(A,1,charindex('/',A),''),charindex('/',stuff(A,1,charindex('/',A),''))-1)
输出结果：photo
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---截取最后一个\后面的字符串
select   reverse(left(reverse(A),charindex('/',reverse(A))-1))
输出结果：Winter Leaves.jpg
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---截取字符串A的首字幕
select   STUFF(A,1, 1, '')
输出结果：:\photo\Winter Leaves.jpg
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