<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> |
< html xmlns = "http://www.w3.org/1999/xhtml" > |
< head > |
< meta http-equiv = "Content-Type" content = "text/html; charset=utf-8" /> |
< title >JS操作数据库</ title > |
< a href = "javascript:;" onclick = "executeUpdate(a)" >sdssdsssdssssdsdsd</ a > |
< script language = "javascript" type = "text/javascript" > |
var conn, rs; |
/*获取数据库连接*/ |
function getConnection() { |
conn = new ActiveXObject("ADODB.Connection"); |
// 1.JavaScript操作数据库JS操作Access数据库 |
// 在F盘有文件abc.mdf,表名为user,一共2个字段,id数字类型主键,name文本类型 |
// conn.Open("DBQ=f://abc.mdb;DRIVER={Microsoft Access Driver (*.mdb)};"); |
// 2.JavaScript操作数据库JS操作SQL Server数据库 |
// 数据库名为:test,表名为user,id为int类型,自增列,name为用户名,为varchar类型;数据库用户名为sa,密码是sasa。 |
//conn.Open("Driver={SQL Server};Server=.;DataBase=test;UID=root;Password=root"); //打开数据库 |
conn.Open("Driver={SQL Server};SERVER=(local);UID=sa;PWD=111111;DATABASE=hljdatabase"); |
return conn; |
} |
/*执行增删改的方法*/ |
function executeUpdate(sql) { |
sql="DELETE FROM user WHERE id =3"; |
getConnection(); |
try { |
conn.execute(sql); |
alert("it's OK!"); |
return true; |
} catch (e) { |
document.write(e.description); |
} finally { |
closeAll(); |
} |
return false; |
} |
/*执行查询的方法*/ |
function executeQuery(sql) { |
getConnection(); |
try { |
rs = new ActiveXObject("ADODB.Recordset"); |
rs.open(sql, conn); |
var html = ""; |
while(!rs.EOF) { |
html = html + rs.Fields("id") + " " + rs.Fields("name")+"< br />"; |
rs.moveNext(); |
} |
document.write(html); |
} catch (e) { |
document.write(e.description); |
} finally { |
closeAll(); |
} |
} |
/*关闭所有资源*/ |
function closeAll() { |
if(rs != null) { |
rs.close(); |
rs = null; |
} |
if(conn != null) { |
conn.close(); |
conn = null; |
} |
} |
// 增 |
// executeUpdate("INSERT INTO [user](create_date, edit_date, is_delete, [name], sex, age) VALUES ('2013-10-17 12:00:00', '2013-10-17 12:00:00', 0, '空', '男', 20)"); |
// 删 |
// executeUpdate("DELETE FROM [user] WHERE id =3"); |
// 改 |
// executeUpdate("UPDATE [user] SET sex = '女', age = 18 WHERE id = 1009"); |
// 查 |
executeQuery("select * from [user]"); |
</ script > |
</ head > |
< body > |
</ body > |
</ html > |
初级程序员
by: 云代码会员 发表于:2016-06-20 09:59:29 顶(0) | 踩(0) 回复
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顶(0) 踩(0) 2016-06-21 18:25:20
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