| ASP创建ACCESS表或添加字段 |
创建一张空表：
JLs9uD http://blog.numino.net/
Sql="Create TABLE [表名]"
BudoV8 http://blog.numino.net/
创建一张有字段的表：
14ksM0 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))
90F67Z http://blog.numino.net/
字段类型：
XvAaVt http://blog.numino.net/
2 : "SmallInt", // 整型
zrWS5C http://blog.numino.net/
3 : "Int", // 长整型
7O8TMN http://blog.numino.net/
4 : "Real", // 单精度型
plt2zj http://blog.numino.net/
5 : "Float", // 双精度型
320xd5 http://blog.numino.net/
6 : "Money", // 货币
g520jn http://blog.numino.net/
7 : "DateTime", // 日期时间
B9J7IJ http://blog.numino.net/
11 : "Bit", // 是否
rsXBHp http://blog.numino.net/
13 : "TimeStamp",
XUQ1GG http://blog.numino.net/
17 : "TinyInt", // 字节
Xi7e7V http://blog.numino.net/
72 : "UniqueIdentifier", // 同步复制 ID
b1PEwm http://blog.numino.net/
128 : "Binary",
Y1nZy9 http://blog.numino.net/
129 : "Char",
0kiBu4 http://blog.numino.net/
130 : "NChar",
86CEDE http://blog.numino.net/
131 : "Decimal", // 小数
J6rm0C http://blog.numino.net/
133 : "DateTime",
2cx9dS http://blog.numino.net/
135 : "SmallDateTime",
9dlqZ2 http://blog.numino.net/
200 : "VarChar",
hJ5DvC http://blog.numino.net/
201 : "Text",
5zAOO0 http://blog.numino.net/
202 : "VarChar", // 文本
BNEdBN http://blog.numino.net/
203 : "Text", // 备注
u1oN0q http://blog.numino.net/
204 : "Binary", // 二进制
eoziSL http://blog.numino.net/
205 : "Image" // OLE 对象
kOwa3k http://blog.numino.net/
以下字段为无编码字段（NChar、NVarchar、NText型）
6TrLNp http://blog.numino.net/
8,128,130,202,203,204,205
52uqu4 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）
tavtW0 http://blog.numino.net/
129,200,201
Ltbb4J http://blog.numino.net/
在现有的表中增加字段：
lra2jY http://blog.numino.net/
Sql="alter table [表名] add column [字段名] varchar(200)"
QUkW6l http://blog.numino.net/
修改字段类型：
OTV3q1 http://blog.numino.net/
Sql="alter table [表名] Alter COLUMN 字段名] varchar(50)"
aGyNCi http://blog.numino.net/
删除表：
JgOi2h http://blog.numino.net/
Sql="Drop table [表名]"
8kmqy9 http://blog.numino.net/
删除字段：
e5rRGM http://blog.numino.net/
sql="alter table [表名] drop [字段名]"
W0HYlr http://blog.numino.net/
修改字段：Alter TABLE [表名] Alter COLUMN [字段名] 类型(大小) NULL
j6P8MA 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')
NdgL43 http://blog.numino.net/
删除约束：Alter TABLE [表名] Drop CONSTRAINT 约束名
pXHZqq 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]
G9nK0e http://blog.numino.net/
删除默认值：Alter TABLE [表名] Drop CONSTRAINT 默认值名
XZRqnH http://blog.numino.net/
=======================================
F0zP9M http://blog.numino.net/
conn.open connstr
rcv4E8 http://blog.numino.net/
sql="alter table [tablename] add hehe char(20)"
T82pEz http://blog.numino.net/
conn.execute(sql)
hE0JUJ http://blog.numino.net/
response.write("添加成功")
55O6Y3 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
z6YJd2 http://blog.numino.net/
=======================================
OiFMtR http://blog.numino.net/
<%
lP2h2o http://blog.numino.net/
session("tablen")="news"
yU3qyB http://blog.numino.net/
'news是已存在的表名
jd2aFb http://blog.numino.net/
session("fieldsn")="c"
5dqame http://blog.numino.net/
'要添加的字段名
J9oav2 http://blog.numino.net/
connectionstring="provider=microsoft.jet.oledb.4.0;data source="&server.MapPath("data/qq.mdb")
0waa0G http://blog.numino.net/
set conn=server.createobject("adodb.connection")
84oNW8 http://blog.numino.net/
conn.OPEN connectionstring
gGgzE8 http://blog.numino.net/
jhsql = " Alter Table "&session("tablen")&" add column "&session("fieldsn")&" real "
TBeeMo http://blog.numino.net/
conn.execute(jhsql)
ttyMzx http://blog.numino.net/
%>
3CitbC http://blog.numino.net/
================================
r6Hdjv 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~~
zPiG4P http://blog.numino.net/
Sub GenAutoIncrementFld()
eFkrLT http://blog.numino.net/
set cn=server.CreateObject("ADODB.Connection")
uIcCX3 http://blog.numino.net/
set clx=server.CreateObject("ADOX.Column")
vlsC3s http://blog.numino.net/
set cat=server.CreateObject("ADOX.Catalog")
T838Q0 http://blog.numino.net/
set tblnam=server.CreateObject("ADOX.Table")
M4O43s http://blog.numino.net/
N8cON4 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"
1UEWCd http://blog.numino.net/
Set cat.ActiveConnection = cn
p8UPaQ http://blog.numino.net/
tblnam.Name = "Test"
Sysb40 http://blog.numino.net/
clx.ParentCatalog = cat
lsU6qj http://blog.numino.net/
8E6Wvc http://blog.numino.net/
clx.Type = 3
3DNzfC http://blog.numino.net/
clx.Name = "Id"
UpQ3Q4 http://blog.numino.net/
clx.Properties("AutoIncrement") = true
7k35gU http://blog.numino.net/
tblnam.Columns.Append clx
aGUZM3 http://blog.numino.net/
tblnam.Columns.Append "DataField",130,20
Q4LzY5 http://blog.numino.net/
cat.Tables.Append tblnam
bq9Wu7 http://blog.numino.net/
Set clx = Nothing
gSMHln http://blog.numino.net/
Set cat = Nothing
9q3S8j http://blog.numino.net/
cn.Close
zq0N5M http://blog.numino.net/
Set cn = Nothing
aRz79B http://blog.numino.net/
End Sub
xYc7mR http://blog.numino.net/
call GenAutoIncrementFld
gzsDRJ http://blog.numino.net/
===================================
JnbjSQ http://blog.numino.net/
字段类型对应数值
1vUowU http://blog.numino.net/
''---- DataTypeEnum Values ----
f9a06X http://blog.numino.net/
Const adEmpty = 0
PJt180 http://blog.numino.net/
Const adTinyInt = 16
pZW53g http://blog.numino.net/
Const adSmallInt = 2
g8Awho http://blog.numino.net/
Const adInteger = 3
64O7aI http://blog.numino.net/
Const adBigInt = 20
6HDe4O http://blog.numino.net/
Const adUnsignedTinyInt = 17
V6Qg1b http://blog.numino.net/
Const adUnsignedSmallInt = 18
EPZiel http://blog.numino.net/
Const adUnsignedInt = 19
419eSd http://blog.numino.net/
Const adUnsignedBigInt = 21
muQOme http://blog.numino.net/
Const adSingle = 4
ezhC6M http://blog.numino.net/
Const adDouble = 5
TuRkQK http://blog.numino.net/
Const adCurrency = 6
7KbN7v http://blog.numino.net/
Const adDecimal = 14
9dr1Us http://blog.numino.net/
Const adNumeric = 131
U4xGSM http://blog.numino.net/
Const adBoolean = 11
g7Vn84 http://blog.numino.net/
Const adError = 10
f6eOgW http://blog.numino.net/
Const adUserDefined = 132
d1kMbS http://blog.numino.net/
Const adVariant = 12
7ABxs0 http://blog.numino.net/
Const adIDispatch = 9
Yn3gNc http://blog.numino.net/
Const adIUnknown = 13
2Dy6cF http://blog.numino.net/
Const adGUID = 72
l3653b http://blog.numino.net/
Const adDate = 7
y0f3Zv http://blog.numino.net/
Const adDBDate = 133
d1AZQN http://blog.numino.net/
Const adDBTime = 134
U4oucA http://blog.numino.net/
Const adDBTimeStamp = 135
w72bL1 http://blog.numino.net/
Const adBSTR = 8
4M1d1w http://blog.numino.net/
Const adChar = 129
xYzECq http://blog.numino.net/
Const adVarChar = 200
GaCMQI http://blog.numino.net/
Const adLongVarChar = 201
KH5Moy http://blog.numino.net/
Const adWChar = 130
8M5UUX http://blog.numino.net/
Const adVarWChar = 202
1ZozI2 http://blog.numino.net/
Const adLongVarWChar = 203
YwIX54 http://blog.numino.net/
Const adBinary = 128
cVT81z http://blog.numino.net/
Const adVarBinary = 204
5H002x http://blog.numino.net/
Const adLongVarBinary = 205
9cqwKD http://blog.numino.net/
Const adChapter = 136
WlgHSy http://blog.numino.net/
Const adFileTime = 64
e8b58H http://blog.numino.net/
Const adPropVariant = 138
J2X4Yr http://blog.numino.net/
Const adVarNumeric = 139
qi6zy9 http://blog.numino.net/
Const adArray = &H2000
|
|