·您现在的位置： 云翼网络 >> 文章中心 >> 网站建设 >> 网站建设开发 >> ASP网站建设 >> 用表单来提交sql - 3

【如有意向点此提交需求】关于我们

用表单来提交sql - 3

作者：佚名      ASP网站建设编辑：admin      更新时间：2022-07-23
列表 D: buildSQLInsert函数的最终版。


<%
function buildSQLInsert( targetTable, omitFields)
         iStr = "insert into " & targetTable & " "
         vStr = "values ("
         nStr = "("
         ' 在表单集合中循环，并建立起SQL语句的组成部分
         for each x in request.form
                  fieldName = uCase(x)
                  ' 判断字段是否被省略？
                  if inStr(uCase(omitFields),x) = 0 then
                       fieldData = replace(request.form(fieldName), _
                                "'", "''")
                       ' 如果没有数据，就插入 NULL
                       if trim(fieldData) = "" then
                                fieldData = "NULL"
                                vStr = vStr & fieldData & ", "
                                nStr = nStr & fieldName & ", "
                       else
                                typeDelimPos = inStr(fieldName, "_")
                                if typeDelimPos = 0 then
                                     ' 是文本字段
                                     ' 建立字段名列表
                                     nStr = nStr & fieldName & ", "
                                     vStr = vStr & "'" & fieldData & "', "
                                else
                                     ' 字段是其它类型
                                     fieldType = left(fieldName, typeDelimPos - 1)
                                     fieldName = mid(fieldName, typeDelimPos + 1)
                                     ' 把字段名加入名称列表
                                     nStr = nStr & fieldName & ", "
                                     ' 把字段类型变成大写以确保匹配
                                     select case uCase(fieldType)
                                              case "NUM"
                                              vStr = vStr & fieldData & ", "
                                              '把不明类型按文本型处理
                                              case else
                                              vStr = vStr & "'" & fieldData & "', "
                                     end select
                                end if       
                       end if
                  end if
         next

         ' 把结尾的", " 从我们建立的字符串中去掉
         vStr = left(vStr, len(vStr) - 2) & ")"
         nStr = left(nStr, len(nStr) - 2) & ") "

         ' 把SQL语句整合起来
         buildSQLInsert = iStr & nStr & vStr
end function


if trim(request("fName")&request("lname")&request("age")) <> "" then
         response.write( buildSQLInsert("") & "<BR<")
         response.write( buildSQLInsert("NUM_AGE") & "<BR>")
         response.write( buildSQLInsert("lname,fname") & "<BR>")
         response.write( buildSQLInsert("mycheckbox,fname") &
         =<"<BR<")
else
%>

<html>
<body>
<form name=f method=post action="列表4.asp">
Gimme your:<br>
First Name: <input type=text name="fName"<<br>
Last Name: <input type=text name="lName"<<br>
Age: <input type=text name="num_age"<<br>
<input type="checkbox" value="Y" name="MyCheckBox"<Do you want this checked?<br>
<input type="submit" value="Submit">
</form>
</body>
</html>

<%
end if
  %>




列表 D: buildSQLInsert函数的最终版。


<%
function buildSQLInsert( targetTable, omitFields)
         iStr = "insert into " & targetTable & " "
         vStr = "values ("
         nStr = "("
         ' 在表单集合中循环，并建立起SQL语句的组成部分
         for each x in request.form
                  fieldName = uCase(x)
                  ' 判断字段是否被省略？
                  if inStr(uCase(omitFields),x) = 0 then
                       fieldData = replace(request.form(fieldName), _
                                "'", "''")
                       ' 如果没有数据，就插入 NULL
                       if trim(fieldData) = "" then
                                fieldData = "NULL"
                                vStr = vStr & fieldData & ", "
                                nStr = nStr & fieldName & ", "
                       else
                                typeDelimPos = inStr(fieldName, "_")
                                if typeDelimPos = 0 then
                                     ' 是文本字段
                                     ' 建立字段名列表
                                     nStr = nStr & fieldName & ", "
                                     vStr = vStr & "'" & fieldData & "', "
                                else
                                     ' 字段是其它类型
                                     fieldType = left(fieldName, typeDelimPos - 1)
                                     fieldName = mid(fieldName, typeDelimPos + 1)
                                     ' 把字段名加入名称列表
                                     nStr = nStr & fieldName & ", "
                                     ' 把字段类型变成大写以确保匹配
                                     select case uCase(fieldType)
                                              case "NUM"
                                              vStr = vStr & fieldData & ", "
                                              '把不明类型按文本型处理
                                              case else
                                              vStr = vStr & "'" & fieldData & "', "
                                     end select
                                end if       
                       end if
                  end if
         next

         ' 把结尾的", " 从我们建立的字符串中去掉
         vStr = left(vStr, len(vStr) - 2) & ")"
         nStr = left(nStr, len(nStr) - 2) & ") "

         ' 把SQL语句整合起来
         buildSQLInsert = iStr & nStr & vStr
end function


if trim(request("fName")&request("lname")&request("age")) <> "" then
         response.write( buildSQLInsert("") & "<BR<")
         response.write( buildSQLInsert("NUM_AGE") & "<BR>")
         response.write( buildSQLInsert("lname,fname") & "<BR>")
         response.write( buildSQLInsert("mycheckbox,fname") &
         =<"<BR<")
else
%>

<html>
<body>
<form name=f method=post action="列表4.asp">
Gimme your:<br>
First Name: <input type=text name="fName"<<br>
Last Name: <input type=text name="lName"<<br>
Age: <input type=text name="num_age"<<br>
<input type="checkbox" value="Y" name="MyCheckBox"<Do you want this checked?<br>
<input type="submit" value="Submit">
</form>
</body>
</html>

<%
end if
  %>