php修改数据库代码语句 php修改数据库内容

PHP修改数据库2修改页面:
?php
$host = "服务器";
$user = "用户名";
$pass = "密码";
$db = "数据库名";
$conn=mysql_connect($host,$user,$pass);
mysql_select_db($db,$conn);
mysql_query("SET NAMES 'gbk'");
?
?php
$mid=$_GET['mid'];
$sql="select * from symbols where id='$mid'";
$query=mysql_query($sql);
$rs=mysql_fetch_array($query);
?
form method="post" action=""
tr
tdinput name='id1' type='text'value='https://www.04ip.com/post/?php echo $mid;?' disabled//td
tdinput name='country' type='text' id='country' value='https://www.04ip.com/post/?php echo $rs[1];?' //td
tdinput name='animal' type='text' id='animal' value='https://www.04ip.com/post/?php echo $rs[2];?' //td
tdinput name='cname' type='text'value="https://www.04ip.com/post/?php echo $rs['cname'];?" //td
tdinput name='bthModify' type='submit' id='bthModify' value='https://www.04ip.com/post/修改' //td
/tr
/form
?php
if($_POST['bthModify']){
$country=$_POST['country'];
$animal=$_POST['animal'];
$cname=$_POST['cname'];
$sql="update symbols set country='$country',animal='$animal',cname='$cname' where id='$mid'";
mysql_query($sql);
echo "scriptlocation.href='https://www.04ip.com/post/temp.php';/script";
}
显示页面:
?php
$host = "服务器";
$user = "用户名";
$pass = "密码";
$db = "数据库名";
$conn=mysql_connect($host,$user,$pass);
mysql_select_db($db,$conn);
mysql_query("SET NAMES 'gbk'");
?
table cellpadding=10 border=1
?php
$sql="select * from symbols";
$query=mysql_query($sql);
while($row=mysql_fetch_array($query)){
$id=$row[0];
?
form method="post" action=""
tr
td城市:?php echo $row[1];?/td
td镇:?php echo $row[2];?/td
td名字:?php echo $row[3];?/td
tda href="https://www.04ip.com/post/temp1.php?mid=?php echo $id;?"修改/a/td
/tr
/form
?php
}
?
/table
php数据库添加、删除、修改数据(mysql)一、PHP操作MySql数据库
新增数据
?php
$query
=
"INSERT
INTO
grade
(name,email,point,regdate)
VALUE
('
李三','yc60.com@gmail.com',,NOW())"
;
@mysql_query($query)
or
die(
'添加数据出错:'
.mysql_error());
?
修改数据
?php
$query
=
"UPDATE
grade
SET
name='小可爱'
WHERE
id=6"
;
@mysql_query($query)
or
die(
'修改出错:'
.mysql_error());
?
删除数据
?php
$query
=
"DELETE
FROM
grade
WHERE
id=6";
@mysql_query($query)
or
die(
'删除错误:'
.mysql_error());
?
显示数据
?php
$query
=
"SELECT
id,name,email,point
FROM
grade";
$result
=
@mysql_query($query)
or
die(
'查询语句出错:'
.mysql_error());
while
(!!
$row
=
mysql_fetch_array($result))
{
echo
$row[
'id'
].
'----'
.$row['name'
].'----'
.$row
['email'
].
'----'
.$row['point'
];
echo
'br
/
';
}
?
二、其他常用函数
mysql_f
etch_row()
:从结果集中取得一行作为枚举数组
mysql_f
etch_assoc()

从结果集中取得一行作为关联数组
mysql_f
etch_array()

从结果集中取得一行作为关联数组,或数字数组,或二者兼有
mysql_f
etch_lengths
()

取得结果集中每个输出的长度
mysql_f
ield_name():
取得结果中指定字段的字段名
mysql_num_rows():
取得结果集中行的数目
mysql_num_f
ields():取得结果集中字段的数目
mysql_get_client_inf
o()

取得
MySQL
客户端信息
【php修改数据库代码语句 php修改数据库内容】mysql_get_host_info():
取得
MySQL
主机信息
mysql_get_proto_info():
取得
MySQL
协议信息
mysql_get_server_inf
o()

取得
MySQL
服务器信息
php代码问题 如何修改数据库数据?共2个页面xianshi.php和edit.php$sql="update wp_prli_links set url='?' where id = $id ";这样不行就换种方式嘛,$url="?";
$sql="update wp_prli_links set url='".$url."' where id = $id ";
如何用PHP代码实现MySQL数据库的增删改查?php
$con = mysql_connect("localhost:3306","root","");
if (!$con) {
die('Could not connect: ' . mysql_error());
}
mysql_select_db("test", $con);
$result = mysql_query("SELECT * FROM user");
echo "table border='1'
tr
thUsername/th
thPassword/th
/tr";
while($row = mysql_fetch_array($result)) {
echo "tr";
echo "td" . $row['username'] . "/td";
echo "td" . $row['password'] . "/td";
echo "/tr";
}
echo "/table";
mysql_close($con);
?
从服务器中获取用户所有信息(SQL SELECT语句)并以表格形式出现
?php
$con = mysql_connect("localhost","root","");
if (!$con) {
die('Could not connect: ' . mysql_error());
}
mysql_select_db("test", $con);
mysql_query("DELETE FROM user WHERE username = '$_POST[username]'");
mysql_close($con);
?
删除该用户所有信息delete.php
?php
$con = mysql_connect("localhost:3306","root","");
if (!$con) {
die('Could not connect: ' . mysql_error());
}
mysql_select_db("test", $con);
$sql = "INSERT INTO user (username,password)
VALUES
('$_POST[username]','$_POST[password]')";
if (!mysql_query($sql,$con)) {
die('Error: ' . mysql_error());
}
echo "1 record added";
mysql_close($con);
?
注册一个新用户insert.php
?php
$con = mysql_connect("localhost","root","");
if (!$con) {
die('Could not connect: ' . mysql_error());
}
mysql_select_db("test", $con);
mysql_query("UPDATE user SET password = '$_POST[password]' WHERE username = '$_POST[username]'");
mysql_close($con);
?
修改一个用户密码update.php
html
head
titleFORM/title
/head
body
br /
h1Insert:/h1
form action="insert.php" method="post"
username:input type="name" name="username"/
br /
password:input type="password" name="password"/
input type="submit" value="https://www.04ip.com/post/submit"/
/form
br /hr /br /
h1Delete/h1
form action="delete.php" method="post"
username:input type="name" name="username" /
br /
Are you sure?input type="submit" value="https://www.04ip.com/post/sure" /
/form
br /hr /br /
h1Update/h1
form action="update.php" method="post"
username:input type="name" name="username"/
br /
You want to change your password into:input type="password" name="password"/
input type="submit" value="https://www.04ip.com/post/submit"/
/form
br /hr /br /
/body
/html
以上三个功能的提交源Operate.html
求php修改数据库怎么写?。?/h2>通过url把id传过去,比如链接地址是article.php,在后面加上?id=5
然后在修改页通过$_GET['id'],获取过来,在通过它查询数据库
希望采纳 , 不明白继续追问
php数据库内容修改代码修改如下php修改数据库代码语句:不用使用session传递
1.php 文件中: 修改后php修改数据库代码语句的代码php修改数据库代码语句,将$row["id"]作为id的参数值传递到2.php
else{
echo 'td'.'a href="https://www.04ip.com/post/2.php?id='.$row["id"].'"'.$row["id"].可以修改.'/a/td';
}
2.php修改如下:
$strSql="SELECT * from test where id=".$_GET['id'];
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