网上找资料发现的，但是调试的时候发现有一些问题，改了一下，还有一定的问题，但是可以做一般使用了。没有考虑数据类型的问题，还有SQL Server 和access的区别，以后有时间再改进吧，不知道效率怎么样。如果有朋友改进，也麻烦给我发一份
代码如下:
<%
class SQLString
‘************************************
‘变量定义
‘************************************
‘sTableName —- 表名
‘iSQLType —-SQL语句类型：0-增加，1-更新，2-删除,3-查询
‘sWhere —- 条件
‘sOrder —- 排序方式
‘sSQL —-值
Private sTableName,iSQLType,sWhere,sOrder,sSQL
‘************************************
‘类初始化/结束
‘************************************
Private Sub Class_Initialize()
sTableName=””
iSQLType=0
sWhere=””
sOrder=””
sSQL=””
End Sub
Private Sub Class_Terminate()
End Sub
‘************************************
‘属性
‘*************************来源gao@dai!ma.com搞$代^码网***********
‘设置表名的属性
Public Property Let TableName(value)
sTableName=value
End Property
‘设置条件
Public Property Let Where(value)
sWhere=value
End Property
‘设置排序方式
Public Property Let Order(value)
sOrder=value
End Property
‘设置查询语句的类型
Public property Let SQLType(value)
iSQLType=value
select case iSQLType
case 0
sSQL=”insert into {&*#}0 ({&*#}1) values ({&*#}2)”
case 1
sSQL=”update {&*#}0 set {&*#}1={&*#}2″
case 2
sSQL=”delete from {&*#}0 ”
case 3
sSQL=”select {&*#}1 from {&*#}0 ”
end select
End Property
‘************************************
‘函数
‘************************************
‘增加字段（字段名称，字段值）
Public Sub AddField(sFieldName,sValue)
select case iSQLType
case 0
sSQL=replace(sSQL,”{&*#}1″,sFieldName & “,{&*#}1”)
sSQL=replace(sSQL,”{&*#}2″,”” & sValue & “,{&*#}2”)
case 1
sSQL=replace(sSQL,”{&*#}1″,sFieldName)
sSQL=replace(sSQL,”{&*#}2″,”” & sValue & “,{&*#}1={&*#}2”)
case 3
sSQL=replace(sSQL,”{&*#}1″,sFieldName & “,{&*#}1”)
End Select
End Sub
‘修改的返回字符串值的函数
‘返回SQL语句
Public Function ReturnSQL()
sSQL=replace(sSQL,”{&*#}0″,sTableName)
select case iSQLType
case 0
sSQL=replace(sSQL,”,{&*#}1″,””)
sSQL=replace(sSQL,”,{&*#}2″,””)
case 1
sSQL=replace(sSQL,”,{&*#}1={&*#}2″,””)
case 3
sSQL=replace(sSQL,”,{&*#}1″,””)
end Select
if sWhere”” and iSQLType0 then
sSQL=sSQL & ” where ” & sWhere
end if
if sOrder”” and iSQLType0 then
sSQL=sSQL & ” order by ” & sOrder
end if
ReturnSQL=sSQL
End Function
‘返回SQL语句
Public Function ReturnSQL1()
sSQL=replace(sSQL,”{&*#}0″,sTableName)
select case iSQLType
case 0
sSQL=replace(sSQL,”,{&*#}1″,””)
sSQL=replace(sSQL,”,{&*#}2″,””)
case 1
sSQL=replace(sSQL,”,{&*#}1={&*#}2″,””)
case 3
sSQL=replace(sSQL,”,{&*#}1″,””)
end Select
if sWhere”” and iSQLType0 then
sSQL=sSQL & ” where ” & sWhere
end if
if sOrder”” and iSQLType0 then
sSQL=sSQL & ” order by ” & sOrder
end if
ReturnSQL=sSQL
End Function
‘清空语句
Public Sub Clear()
sTableName=””
iSQLType=0
sWhere=””
sOrder=””
sSQL=””
End Sub
End class
%>
调用例子：
<%
set a =new SQLString ‘创建类对象
a.TableName=” message ” ‘设置表名为message
‘a.where=” issend =9″
‘a.order=” issend desc”
a.SQLType=0 ‘设置查询类型为增加记录
a.AddField ” incept”, “‘2′”
a.AddField ” sender “, “‘%3%’ ”
a.AddField ” title “, “#”&now&”#”
a.AddField ” sender “, “5 ”
a.AddField ” content “, ” 6 ”
a.AddField ” sendtime “, “7”
a.AddField ” flag”, 8
a.AddField ” issend “, 9
Response.Write a.ReturnSQl
set a=nothing
%>
<%
set a =new SQLString ‘创建类对象
a.TableName=” message ” ‘设置表名为message
‘a.where=” issend =9″
‘a.order=” issend desc”
a.SQLType=0 ‘设置查询类型为增加记录
a.AddField ” incept”, “‘2′”
a.AddField ” sender “, “‘%3%’ ”
a.AddField ” title “, “#”&now&”#”
a.AddField ” sender “, “5 ”
a.AddField ” content “, ” 6 ”
a.AddField ” sendtime “, “7”
a.AddField ” flag”, 8
a.AddField ” issend “, 9
Response.Write a.ReturnSQl
set a=nothing
%>
<%
set a =new SQLString ‘创建类对象
a.TableName=” message ” ‘设置表名为message
‘a.where=” issend =9″
‘a.order=” issend desc”
a.SQLType=0 ‘设置查询类型为增加记录
a.AddField ” incept”, “‘2′”
a.AddField ” sender “, “‘%3%’ ”
a.AddField ” title “, “#”&now&”#”
a.AddField ” sender “, “5 ”
a.AddField ” content “, ” 6 ”
a.AddField ” sendtime “, “7”
a.AddField ” flag”, 8
a.AddField ” issend “, 9
Response.Write a.ReturnSQl
set a=nothing
%>
class SQLString
‘************************************
‘变量定义
‘************************************
‘sTableName —- 表名
‘iSQLType —-SQL语句类型：0-增加，1-更新，2-删除,3-查询
‘sWhere —- 条件
‘sOrder —- 排序方式
‘sSQL —-值
Private sTableName,iSQLType,sWhere,sOrder,sSQL
‘************************************
‘类初始化/结束
‘************************************
Private Sub Class_Initialize()
sTableName=””
iSQLType=0
sWhere=””
sOrder=””
sSQL=””
End Sub
Private Sub Class_Terminate()
End Sub
‘************************************
‘属性
‘*************************来源gao@dai!ma.com搞$代^码网***********
‘设置表名的属性
Public Property Let TableName(value)
sTableName=value
End Property
‘设置条件
Public Property Let Where(value)
sWhere=value
End Property
‘设置排序方式
Public Property Let Order(value)
sOrder=value
End Property
‘设置查询语句的类型
Public property Let SQLType(value)
iSQLType=value
select case iSQLType
case 0
sSQL=”insert into {&*#}0 ({&*#}1) values ({&*#}2)”
case 1
sSQL=”update {&*#}0 set {&*#}1={&*#}2″
case 2
sSQL=”delete from {&*#}0 ”
case 3
sSQL=”select {&*#}1 from {&*#}0 ”
end select
End Property
‘************************************
‘函数
‘************************************
‘增加字段（字段名称，字段值）
Public Sub AddField(sFieldName,sValue)
select case iSQLType
case 0
sSQL=replace(sSQL,”{&*#}1″,sFieldName & “,{&*#}1”)
sSQL=replace(sSQL,”{&*#}2″,”” & sValue & “,{&*#}2”)
case 1
sSQL=replace(sSQL,”{&*#}1″,sFieldName)
sSQL=replace(sSQL,”{&*#}2″,”” & sValue & “,{&*#}1={&*#}2”)
case 3
sSQL=replace(sSQL,”{&*#}1″,sFieldName & “,{&*#}1”)
End Select
End Sub
‘修改的返回字符串值的函数
‘返回SQL语句
Public Function ReturnSQL()
sSQL=replace(sSQL,”{&*#}0″,sTableName)
select case iSQLType
case 0
sSQL=replace(sSQL,”,{&*#}1″,””)
sSQL=replace(sSQL,”,{&*#}2″,””)
case 1
sSQL=replace(sSQL,”,{&*#}1={&*#}2″,””)
case 3
sSQL=replace(sSQL,”,{&*#}1″,””)
end Select
if sWhere”” and iSQLType0 then
sSQL=sSQL & ” where ” & sWhere
end if
if sOrder”” and iSQLType0 then
sSQL=sSQL & ” order by ” & sOrder
end if
ReturnSQL=sSQL
End Function
‘返回SQL语句
Public Function ReturnSQL1()
sSQL=replace(sSQL,”{&*#}0″,sTableName)
select case iSQLType
case 0
sSQL=replace(sSQL,”,{&*#}1″,””)
sSQL=replace(sSQL,”,{&*#}2″,””)
case 1
sSQL=replace(sSQL,”,{&*#}1={&*#}2″,””)
case 3
sSQL=replace(sSQL,”,{&*#}1″,””)
end Select
if sWhere”” and iSQLType0 then
sSQL=sSQL & ” where ” & sWhere
end if
if sOrder”” and iSQLType0 then
sSQL=sSQL & ” order by ” & sOrder
end if
ReturnSQL=sSQL
End Function
‘清空语句
Public Sub Clear()
sTableName=””
iSQLType=0
sWhere=””
sOrder=””
sSQL=””
End Sub
End class
%>
调用例子：
<%
set a =new SQLString ‘创建类对象
a.TableName=” message ” ‘设置表名为message
‘a.where=” issend =9″
‘a.order=” issend desc”
a.SQLType=0 ‘设置查询类型为增加记录
a.AddField ” incept”, “‘2′”
a.AddField ” sender “, “‘%3%’ ”
a.AddField ” title “, “#”&now&”#”
a.AddField ” sender “, “5 ”
a.AddField ” content “, ” 6 ”
a.AddField ” sendtime “, “7”
a.AddField ” flag”, 8
a.AddField ” issend “, 9
Response.Write a.ReturnSQl
set a=nothing
%>
<%
set a =new SQLString ‘创建类对象
a.TableName=” message ” ‘设置表名为message
‘a.where=” issend =9″
‘a.order=” issend desc”
a.SQLType=0 ‘设置查询类型为增加记录
a.AddField ” incept”, “‘2′”
a.AddField ” sender “, “‘%3%’ ”
a.AddField ” title “, “#”&now&”#”
a.AddField ” sender “, “5 ”
a.AddField ” content “, ” 6 ”
a.AddField ” sendtime “, “7”
a.AddField ” flag”, 8
a.AddField ” issend “, 9
Response.Write a.ReturnSQl
set a=nothing
%>
<%
set a =new SQLString ‘创建类对象
a.TableName=” message ” ‘设置表名为message
‘a.where=” issend =9″
‘a.order=” issend desc”
a.SQLType=0 ‘设置查询类型为增加记录
a.AddField ” incept”, “‘2′”
a.AddField ” sender “, “‘%3%’ ”
a.AddField ” title “, “#”&now&”#”
a.AddField ” sender “, “5 ”
a.AddField ” content “, ” 6 ”
a.AddField ” sendtime “, “7”
a.AddField ” flag”, 8
a.AddField ” issend “, 9
Response.Write a.ReturnSQl
set a=nothing
%>
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转载请注明原文链接：一个改进的ASP生成SQL命令字符串类的代码[已测]
转载请注明原文链接：一个改进的ASP生成SQL命令字符串类的代码[已测]
