function replace(title)
{
replace(title,'aaa','bbbb')
return(title)
}
bbb=replace(title)
update ..... set title='"&bbb&"'
access
Set Conn = Server.CreateObject("ADODB.Connection")
Conn.Open "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & Server.MapPath("名.mdb")
Set rs = Server.Createobject("ADODB.Recordset")
sql="Select * from [表名]"
rs.open sql,conn,1,3
while not rs.eof
rs("字段名")=replace(rs("字段名"),"被替换的字符","替换为的字符")
rs.update
rs.movenext
wend
rs.close
set rs=nothing
conn.close
set conn=nothing
%>
REPLACE ( 'string_expression1' , 'string_expression2' , 'string_expression3' )
参数说明
'string_expression1'
待搜索的字符串表达式。string_expression1 可以是字符数据或二进制数据。
'string_expression2'
待查找的字符串表达式。string_expression2 可以是字符数据或二进制数据。
'string_expression3'
替换用的字符串表达式。string_expression3 可以是字符数据或二进制数据。
通俗理解即格式为:
Update 表名 SET 要替换的列=REPLACE(要替换的列,被替换的字符,替换后的字符)
示例SQL语句:
Update tableName SET columeName = REPLACE(columeName, 'a', 'b')
但是值得注意的一点是,SQL Server有 replace函数,可以直接使用;Access数据库的replace函数只能在Access环境下用,不能用在Jet SQL中,所以对ASP没用,在ASP中调用该函数会提示错误:表达式中 'REPLACE' 函数未定义。在Asp中可以写一个函数实现该功能

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