数据|数据库|源代码
//mysql数据库的sql
CREATE TABLE user( id int(5) DEFAULT '0' NOT NULL AUTO_INCREMENT, name varchar(20), city varchar(20), postcode varchar(10),address varchar(100), password varchar(10), level tinyint(2) DEFAULT '0',right tinyint(2),email varchar(40), PRIMARY KEY (id), UNIQUE id (id));
INSERT INTO myuser VALUES (1,'王友','北京','100083','北京市海淀区学院路',111,0,0,'wangyou000@263.net');
INSERT INTO myuser VALUES (2,'金风','武汉','430071','武汉市武昌区水果湖',111,0,0,'jinfeng000@263.net');
INSERT INTO myuser VALUES (3,'常丽','襄樊','441021','襄樊市襄城区南街',111,0,0,'changli000@263.net');
1.查寻全部
下面是用户数据库的所有内容：
$db = MySQL_connect("localhost", "root");
MySQL_select_db("mysite",$db);
$result = MySQL_query("SELECT * FROM user",$db);
echo "
| id | 姓名 | ";城市 | 邮编 | ";住 址 | 等级 | ";权限 | 邮件地址 | ";
| %s | %s | ", $myrow[0], $myrow[1]);%s | %s | ", $myrow[2], $myrow[3]);%s | %s | ", $myrow[4], $myrow[6]);%s | %s |
?>
2.根据id查询
$db = MySQL_connect("localhost", "root");
MySQL_select_db("mysite",$db);
if ($id) {
$result = MySQL_query("SELECT * FROM user WHERE id=$id",$db);
$myrow = MySQL_fetch_array($result);
printf("
用户的情况
");printf("1.ID号 %s\n
", $myrow["id"]);
printf("2.姓名: %s\n
", $myrow["name"]);
printf("3.城市: %s\n
", $myrow["city"]);
printf("4.邮编: %s\n
", $myrow["postcode"]);
printf("5.住址: %s\n
", $myrow["address"]);
printf("6.等级：%s\n
", $myrow["level"]);
printf("7.邮件地址: %s\n
", $myrow["email"]);
printf(" 继续查询 ", $PATH_INFO);
}
else
{
$result = MySQL_query("SELECT * FROM user",$db);
if ($myrow = MySQL_fetch_array($result))
{
printf("
请选择要查询的用户：
");do {
printf("%s%s
\n",
$myrow["id"],$PATH_INFO,$myrow["id"], $myrow["name"]);
}
while ($myrow = MySQL_fetch_array($result));
}
else
{
echo "对不起，没有数据！";
}
}
?>
3.更新
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//PHP程序的开始
$db = MySQL_connect("localhost", "root");
MySQL_select_db("mysite",$db);
if (!$id)
{
$result = MySQL_query("SELECT * FROM user",$db);
if ($myrow = MySQL_fetch_array($result))
{
printf("
请选择要修改的用户名字：
");do {
printf("%s%s
\n",
$myrow["id"],$PATH_INFO,$myrow["id"], $myrow["name"]);
}
while ($myrow = MySQL_fetch_array($result));
}
else
{
echo "对不起！数据库中没有记录";
}
}
else
{
if ($submit)
{
$sql = "UPDATE user SET name='$name',city='$city',
address='$address',email='$email' WHERE id=$id";
$result = MySQL_query($sql);
echo "谢谢！数据更改完成\n";
}
else
{
$sql = "SELECT * FROM user WHERE id=$id";
$result = MySQL_query($sql);
$myrow = MySQL_fetch_array($result);
//以下不是PHP的部分
?>
请对用户的信息进行修改：
//PHP 的结束
65：}
}
?>
4.增加删除记录
$db = MySQL_connect("localhost", "root");
MySQL_select_db("mysite",$db);
&nb, sp;
if ($submit)
{
$sql = "INSERT INTO myuser (name,city,address,email)
VALUES ('$name','$city','$address','$email')";
$result = MySQL_query($sql);
echo "记录添加成功！
";
}
else
if ($delete)
{
// 删除一条记录
$sql = "DELETE FROM myuser WHERE id=$id";
$result = MySQL_query($sql);
echo "记录删除成功！
";
}
else
{
printf("
删除一个用户的所有信息：
");$result = MySQL_query("SELECT * FROM myuser",$db);
while ($myrow = MySQL_fetch_array($result))
{
printf("%s:%s
\n",
$myrow["id"],$PATH_INFO, $myrow["id"], $myrow["name"]);
}
?>
添加一个新的用户：
}
?>
