| ASP创建ACCESS表或添加字段 |
创建一张空表：
kuQqOJ http://blog.numino.net/
Sql="Create TABLE [表名]"
6sZRca http://blog.numino.net/
创建一张有字段的表：
bh7Bpo http://blog.numino.net/
Sql="Create TABLE [表名]([字段名1] MEMO NOT NULL, [字段名2] MEMO, [字段名3] COUNTER NOT NULL, [字段名4] DATETIME, [字段名5] TEXT(200), [字段名6] TEXT(200))
mRj2q8 http://blog.numino.net/
字段类型：
118pMF http://blog.numino.net/
2 : "SmallInt", // 整型
3M8SXX http://blog.numino.net/
3 : "Int", // 长整型
aHyS3w http://blog.numino.net/
4 : "Real", // 单精度型
SdytuK http://blog.numino.net/
5 : "Float", // 双精度型
FVwALE http://blog.numino.net/
6 : "Money", // 货币
xfdihs http://blog.numino.net/
7 : "DateTime", // 日期时间
6C8RW9 http://blog.numino.net/
11 : "Bit", // 是否
1Fyb9b http://blog.numino.net/
13 : "TimeStamp",
UOqu0Q http://blog.numino.net/
17 : "TinyInt", // 字节
rI8qf9 http://blog.numino.net/
72 : "UniqueIdentifier", // 同步复制 ID
oZXm7Z http://blog.numino.net/
128 : "Binary",
27YgE5 http://blog.numino.net/
129 : "Char",
Hi64h4 http://blog.numino.net/
130 : "NChar",
JE3q6M http://blog.numino.net/
131 : "Decimal", // 小数
YHa8n1 http://blog.numino.net/
133 : "DateTime",
OXhn29 http://blog.numino.net/
135 : "SmallDateTime",
dT45IR http://blog.numino.net/
200 : "VarChar",
DPc1Sn http://blog.numino.net/
201 : "Text",
Locqkq http://blog.numino.net/
202 : "VarChar", // 文本
AeBhDw http://blog.numino.net/
203 : "Text", // 备注
L34kV9 http://blog.numino.net/
204 : "Binary", // 二进制
57U2XH http://blog.numino.net/
205 : "Image" // OLE 对象
abRhfP http://blog.numino.net/
以下字段为无编码字段（NChar、NVarchar、NText型）
GEotG9 http://blog.numino.net/
8,128,130,202,203,204,205
365jlO http://blog.numino.net/
以下字段为按当前系统内码编码的字段（Asp中可用CodePage=936纠正为gb2312内码）
7BqdoQ http://blog.numino.net/
129,200,201
xq4zVt http://blog.numino.net/
在现有的表中增加字段：
xyJL8Q http://blog.numino.net/
Sql="alter table [表名] add column [字段名] varchar(200)"
cm5DIv http://blog.numino.net/
修改字段类型：
1DII4k http://blog.numino.net/
Sql="alter table [表名] Alter COLUMN 字段名] varchar(50)"
cD8Ma9 http://blog.numino.net/
删除表：
qmqeYO http://blog.numino.net/
Sql="Drop table [表名]"
NVBgly http://blog.numino.net/
删除字段：
p0GV40 http://blog.numino.net/
sql="alter table [表名] drop [字段名]"
SN5cQ6 http://blog.numino.net/
修改字段：Alter TABLE [表名] Alter COLUMN [字段名] 类型(大小) NULL
SgQ051 http://blog.numino.net/
新建约束：Alter TABLE [表名] ADD CONSTRAINT 约束名 CHECK ([约束字段] <= '2007-1-1')
5NM3SF http://blog.numino.net/
删除约束：Alter TABLE [表名] Drop CONSTRAINT 约束名
Y9xB5m http://blog.numino.net/
新建默认值：Alter TABLE [表名] ADD CONSTRAINT 默认值名 DEFAULT 'Gziu.CoM' FOR [字段名]
b1m74p http://blog.numino.net/
删除默认值：Alter TABLE [表名] Drop CONSTRAINT 默认值名
ZhU2d3 http://blog.numino.net/
=======================================
479344 http://blog.numino.net/
conn.open connstr
Dg3uMm http://blog.numino.net/
sql="alter table [tablename] add hehe char(20)"
KAaAD3 http://blog.numino.net/
conn.execute(sql)
9gbI4E http://blog.numino.net/
response.write("添加成功")
v19LY4 http://blog.numino.net/
ACCESS新建数据库和表还不简单，有了表字段初始化就更简单
Rta1Ay http://blog.numino.net/
=======================================
9ebZ90 http://blog.numino.net/
<%
iZ12j2 http://blog.numino.net/
session("tablen")="news"
bmKoPc http://blog.numino.net/
'news是已存在的表名
Ls1r26 http://blog.numino.net/
session("fieldsn")="c"
6oA6Rb http://blog.numino.net/
'要添加的字段名
xi631K http://blog.numino.net/
connectionstring="provider=microsoft.jet.oledb.4.0;data source="&server.MapPath("data/qq.mdb")
9LyRwm http://blog.numino.net/
set conn=server.createobject("adodb.connection")
492qrL http://blog.numino.net/
conn.OPEN connectionstring
k90vR4 http://blog.numino.net/
jhsql = " Alter Table "&session("tablen")&" add column "&session("fieldsn")&" real "
dmSUC7 http://blog.numino.net/
conn.execute(jhsql)
69sEMY http://blog.numino.net/
%>
BOn8CK http://blog.numino.net/
================================
ITYJs5 http://blog.numino.net/
生成数据表，添加字段，其中id字段为自动增加，测试通过~~
oh7NR7 http://blog.numino.net/
Sub GenAutoIncrementFld()
2LHnI3 http://blog.numino.net/
set cn=server.CreateObject("ADODB.Connection")
sDFBT3 http://blog.numino.net/
set clx=server.CreateObject("ADOX.Column")
VLZsQb http://blog.numino.net/
set cat=server.CreateObject("ADOX.Catalog")
yWT2Ch http://blog.numino.net/
set tblnam=server.CreateObject("ADOX.Table")
5d5r1n http://blog.numino.net/
Tn3hpB http://blog.numino.net/
cn.Open "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=E:\网站制作\asp操作mdb\db\test.mdb"
4gj6Fh http://blog.numino.net/
Set cat.ActiveConnection = cn
9pD9Uz http://blog.numino.net/
tblnam.Name = "Test"
uFDrL4 http://blog.numino.net/
clx.ParentCatalog = cat
kzyJHe http://blog.numino.net/
O3X110 http://blog.numino.net/
clx.Type = 3
S4fAe3 http://blog.numino.net/
clx.Name = "Id"
JX88Gy http://blog.numino.net/
clx.Properties("AutoIncrement") = true
ZSyDjv http://blog.numino.net/
tblnam.Columns.Append clx
cfud4D http://blog.numino.net/
tblnam.Columns.Append "DataField",130,20
X046rS http://blog.numino.net/
cat.Tables.Append tblnam
1q2A27 http://blog.numino.net/
Set clx = Nothing
klm0md http://blog.numino.net/
Set cat = Nothing
SH55p2 http://blog.numino.net/
cn.Close
4f3hfu http://blog.numino.net/
Set cn = Nothing
xSU0qm http://blog.numino.net/
End Sub
teYDqJ http://blog.numino.net/
call GenAutoIncrementFld
75RNVn http://blog.numino.net/
===================================
sLvGJ8 http://blog.numino.net/
字段类型对应数值
F6XO1C http://blog.numino.net/
''---- DataTypeEnum Values ----
jC3N3H http://blog.numino.net/
Const adEmpty = 0
7w61xs http://blog.numino.net/
Const adTinyInt = 16
p956ES http://blog.numino.net/
Const adSmallInt = 2
THlw60 http://blog.numino.net/
Const adInteger = 3
RHik2o http://blog.numino.net/
Const adBigInt = 20
bK79PW http://blog.numino.net/
Const adUnsignedTinyInt = 17
Z2dDwJ http://blog.numino.net/
Const adUnsignedSmallInt = 18
hFjCAg http://blog.numino.net/
Const adUnsignedInt = 19
47VBdR http://blog.numino.net/
Const adUnsignedBigInt = 21
1b1K2I http://blog.numino.net/
Const adSingle = 4
Wf5vh6 http://blog.numino.net/
Const adDouble = 5
Nu0ndP http://blog.numino.net/
Const adCurrency = 6
Pq9Qw2 http://blog.numino.net/
Const adDecimal = 14
iup9s5 http://blog.numino.net/
Const adNumeric = 131
Cg8f23 http://blog.numino.net/
Const adBoolean = 11
fDQhKs http://blog.numino.net/
Const adError = 10
xj6OnK http://blog.numino.net/
Const adUserDefined = 132
bQpTm6 http://blog.numino.net/
Const adVariant = 12
jzoYgF http://blog.numino.net/
Const adIDispatch = 9
282c8X http://blog.numino.net/
Const adIUnknown = 13
ct8Ebi http://blog.numino.net/
Const adGUID = 72
cb5zWs http://blog.numino.net/
Const adDate = 7
zIK0TN http://blog.numino.net/
Const adDBDate = 133
Ik7yqa http://blog.numino.net/
Const adDBTime = 134
pCRpVO http://blog.numino.net/
Const adDBTimeStamp = 135
Cy61aC http://blog.numino.net/
Const adBSTR = 8
J02r43 http://blog.numino.net/
Const adChar = 129
f33147 http://blog.numino.net/
Const adVarChar = 200
Cf6juU http://blog.numino.net/
Const adLongVarChar = 201
61S878 http://blog.numino.net/
Const adWChar = 130
sufoRC http://blog.numino.net/
Const adVarWChar = 202
jU6Zqo http://blog.numino.net/
Const adLongVarWChar = 203
945Uio http://blog.numino.net/
Const adBinary = 128
5TvUty http://blog.numino.net/
Const adVarBinary = 204
5n4iih http://blog.numino.net/
Const adLongVarBinary = 205
QxAbyW http://blog.numino.net/
Const adChapter = 136
qIytQG http://blog.numino.net/
Const adFileTime = 64
7Jj4yz http://blog.numino.net/
Const adPropVariant = 138
w7WEEj http://blog.numino.net/
Const adVarNumeric = 139
v5ii88 http://blog.numino.net/
Const adArray = &H2000
|
|