DB.ASP 用Javascript写ASP很灵活很好用很easy

<% 
function getConfig(config, args) { 
if (args) { 
for (var proto in args) { 
config[proto] = args[proto]; 
} 
} 
return config; 
} 
function getConnection() { 
return new ActiveXObject("ADODB.Connection"); 
} 
function getRecordset() { 
return new ActiveXObject("ADODB.Recordset"); 
} 
var DB = {}; 
DB.ConnectionString = 'Provider=Sqloledb;User ID=sa;Password=sa;Initial Catalog=T;Data Source=WWW-D17F81FA113\\SQLEXPRESS;'; 
//添加 一条记录 
DB.Add = function (table, keyValueCol) { 
var returnID=null; 
var Conn = getConnection(); 
Conn.Open(DB.ConnectionString); 
var Rs = getRecordset(); 
Rs.Open('select * from '+table+' where 1=2', Conn, 3, 2); 
Rs.AddNew(); 
for (var key in keyValueCol) { 
Rs.Fields.Item(key).Value = keyValueCol[key]; 
} 
Rs.Update(); 
Rs.Close(); 
Rs = null; 
Conn.Close(); 
Conn = null; 
return DB.Get("select IDENT_CURRENT('"+table+"') as ID")["ID"]; 
} 
//修改一条记录 
DB.Upd = function (sql, keyValueCol) { 
var Conn = getConnection(); 
Conn.Open(DB.ConnectionString); 
var Rs = getRecordset(); 
Rs.Open(sql, Conn, 3, 2); 
for (var key in keyValueCol) { 
Rs.Fields.Item(key).Value = keyValueCol[key]; 
} 
Rs.Update(); 
Rs.Close(); 
Rs = null; 
Conn.Close(); 
Conn = null; 
} 
//执行 无返回结果的查询 
DB.Exe = function (sql) { 
var Conn = getConnection(); 
Conn.Open(DB.ConnectionString); 
Conn.Execute(sql); 
Conn.Close(); 
Conn = null; 
} 
//获得 一个查询记录 
DB.Get = function (sql) { 
var _record = null; 
var Conn = getConnection(); 
Conn.Open(DB.ConnectionString); 
var Rs = getRecordset(); 
Rs.Open(sql, Conn, 1, 1); 
if (!Rs.EOF) { 
_record = {}; 
for (var i = 0; i < Rs.Fields.Count; i++) { 
_record[Rs.Fields.Item(i).Name] = Rs.Fields.Item(i).Value; 
} 
} 
Rs.Close(); 
Rs = null; 
Conn.Close(); 
Conn = null; 
return _record; 
} 
//批量 获得/添加 数据 
DB.Batch = function () { 
var Conn = getConnection(); 
var Rs = getRecordset(); 
var _Batch = this; 
var _table = null; 
_Batch.Open = function (sql) { 
Conn.Open(DB.ConnectionString); 
Rs.Open(sql, Conn, 3, 2); 
} 
_Batch.Add = function (table , keyValueCol) { 
Rs.AddNew(); 
for (var key in keyValueCol) { 
Rs.Fields.Item(key).Value = keyValueCol[key]; 
} 
Rs.Update(); 
return DB.Get("Select IDENT_CURRENT('"+ table +"') as ID")["ID"]; 
} 
_Batch.Get = function () { 
var record_arr = []; 
while (!Rs.EOF) { 
var _record = {}; 
for (var i = 0; i < Rs.Fields.Count; i++) { 
_record[Rs.Fields.Item(i).Name] = Rs.Fields.Item(i).Value; 
} 
record_arr.push(_record); 
Rs.MoveNext(); 
} 
return record_arr; 
} 
_Batch.Close = function () { 
Rs.Close(); 
Rs = null; 
Conn.Close(); 
Conn = null; 
} 
} 
//获得 sql 的某页的数据 
DB.List = function () { 
var _Config; 
var _List = this; 
_List.Page = { 
PS : 20, 
AP : 1, 
PC : 1, 
RC : 1 
}; 
_List.Query = function () { 
_Config = new getConfig({ 
fields : " * ", 
table : null, 
where : " 1=1 ", 
sort : " ID desc ", 
pk : " ID " 
}, arguments[0]); 
_List.Page.RC = DB.Get("select count(" + _Config.pk + ") as [count] from " + 
_Config.table + " where " + _Config.where).count; 
_List.Page.PC = Math.ceil(_List.Page.RC / _List.Page.PS); 
if(_List.Page.AP>_List.Page.PC) _List.Page.AP = _List.Page.PC; 
} 
_List.Get = function (p) { 
p = isNaN(p) ? 1 : parseInt(p); 
_List.Page.AP = p; 
var sql = ''; 
if (p > 1) { 
sql = "select top " + _List.Page.PS + " " + _Config.fields + 
" from " + _Config.table + " where " + _Config.where + 
" and " + _Config.pk + 
" not in(select top " + (p - 1) * _List.Page.PS + " " + _Config.pk + 
" from " + _Config.table + " where " + _Config.where + 
" order by " + _Config.sort + ") order by " + _Config.sort; 
} else { 
sql = "select top " + _List.Page.PS + " " + _Config.fields + 
" from " + _Config.table + " where " + _Config.where + " order by " + _Config.sort; 
} 
var return_arr = null; 
var Batch = new DB.Batch(); 
Batch.Open(sql); 
return_arr = Batch.Get(); 
Batch.Close(); 
return return_arr; 
} 
} 
//sql 只读 
DB.Reader = function () { 
var Conn = getConnection(); 
var Rs = getRecordset(); 
var _Reader = this; 
_Reader.EOF = false; 
_Reader.Open = function (sql) { 
Conn.Open(DB.ConnectionString); 
Rs.Open(sql, Conn, 1, 1); 
_Reader.EOF = Rs.EOF; 
} 
_Reader.Read = function () { 
if (!Rs.EOF) { 
var _record = {}; 
for (var i = 0; i < Rs.Fields.Count; i++) { 
_record[Rs.Fields.Item(i).Name] = Rs.Fields.Item(i).Value; 
} 
Rs.MoveNext(); 
return _record; 
} else { 
_Reader.EOF = true; 
} 
} 
_Reader.Close = function () { 
Rs.Close(); 
Rs = null; 
Conn.Close(); 
Conn = null; 
} 
} 
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