php增删改查操作实例详解

php增删改查操作实例详解2009-10-08 10:541




insert.php

<html>
<head>
</head>
<body>
<form action="doinsert.php" method="POST">
<p>
ID:<br/>
<input type="text" name="id" size="6" maxlength="6" />
</p>
<p>
给自己起一个名号:<br/>
<input type="text" name="name" size="10" maxlength="10" />
</p>
<p>
给自己设一个密码:<br/>
<input type="password" name="password" size="8" maxlength="8" value=""/>
</p>
<p>
你的email地址:<br/>
<input type="text" name="email" size="20" maxlength="20" value=""/>
</p>
<p>
<input type="submit" name="submit" value="Submit!"/>
</p>
</form>
</body>
</html>


doinsert.php

<?php

$linkID=@mysql_connect("localhost","root","root");
if(!$linkID){
echo "没连接上";
}
$ss=@mysql_select_db("weizhongyu_db");
if(!$ss){
echo "没找到数据库";
}
$id = $_POST['id'];
$name = $_POST['name'];
$grade = $_POST['grade'];
$email = $_POST['email'];
$salary = $_POST['salary'];

$query = "INSERT INTO emp (id,name,grade,email,salary) values(
'$id','$name','$grade','$email','$salary')";
//$query = "insert into emp set
// id='$id',name='$name',grade='$grade',email='$email',salary='$salary'";

$result = mysql_query($query);

if($result) echo "<p>添加员工数据成功!</p>";
else echo "<p>添加员工数据失败!</p>";

mysql_close();
include "insert.php" //返回并继续插入
?>

2查询并且修改

form.php

<html>
<head>
</head>
<body>
<form action="modify.php" method="post">
<select name="rowID">
<option value="">choose a ID:</option>
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
</select>
<input type="submit" name = "submit" value="Submit!"/>
</form>
</body>
</html>

modify.php

<?php

$linkID=@mysql_connect("localhost","root","root");
$ss=@mysql_select_db("weizhongyu_db");

$rowID = $_POST['rowID'];
$query="select id ,name,grade,email,salary from emp where id='$rowID'";
$result=mysql

_query($query);
if(!$result){
echo "没执行成功";
}
//echo "$result";


list($id,$name,$grade,$email,$salary)=mysql_fetch_row($result);
//echo "$id";
//echo "$name";
//echo "$grade";
//echo "$email";
//echo "$salary";
mysql_close();
include "modifyform.php";

?>

modifyform.php

<html>
<head>
</head>
<body>
<form action="update.php" method="POST">
<input type="hidden" name="rowID" value="<?php echo $rowID;?>">
<p>
ID:<br/>
<input type="text" name="id" size="6" maxlength="6"
value="<?php echo $id; ?>" />
</p>
<p>
员工姓名:<br/>
<input type="text" name="name" size="10" maxlength="10"
value="<?php echo $name; ?>" />
</p>
<p>
员工级别:<br/>
<input type="password" name="password" size="8" maxlength="8"
value="<?php echo $password; ?>" />
</p>
<p>
员工的邮箱:<br/>
<input type="text" name="email" size="20" maxlength="20"

value="<?php echo $email; ?>" />
</p>
<p>
<input type="submit" name="submit" value="Submit!"/>
</p>
</form>
</body>
</html>

update.php

<?php
$linkID=@mysql_connect("localhost","root","root");
$db=@mysql_select_db("weizhongyu_db");

$rowID=$_POST['rowID'];
$id=$_POST['id'];
$name=$_POST['name'];
$grade=$_POST['grade'];
$email=$_POST['email'];
$salary=$_POST['salary'];
//echo $rowID;
$query=" UPDATE emp SET id='$id',name='$name',grade='$grade',email='$email',salary='$salary' where id='$rowID' ";
//echo $query;
$result=mysql_query($query);

if($result) echo "<p>员工信息修改成功!</p>";
else echo "<p>员工信息修改失败!</p>";

mysql_close();
?>

3删除 多选删除

deleteform.php 复选框

<html>
<head>
</head>
<body>
<form action="delete.php" method="post">
<input type="checkbox" name="kk[]" value="1" />1 zcl<br/>
<input type="checkbox" name="kk[]" value="2" />2 lv<br/>
<input type="checkbox" name="kk[]" value="3" />3 ed<br/>
<input type="checkbox" name="kk[]" value="4" />4 d<br/>

<input type

="submit" name = "submit" value="Submit!"/>
</form>
</body>
</html>

deleteform1.php 多选下拉列表


<html>
<head>
</head>
<body>
<form action="delete.php" method="post">
<select name="kk[]" multiple="multiple">
<option value="">choose a ID:</option>
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
</select>
<input type="submit" name = "submit" value="Submit!"/>
</form>
</body>
</html>

delete.php 遍历数组删除

<?php
$linkID=@mysql_connect("localhost","root","123456");
$db=@mysql_select_db("bean");
//echo $_POST['kk'];
//echo array('1','2','3');
foreach($_POST['kk'] as $pp)//遍历数组,给每个赋值
{
echo $pp;
$rowID=$pp;
$query="delete from member3 where id='$rowID'";//查询语句
$result=mysql_query($query);//放到数据库执行

if(!mysql_affected_rows()==0)
echo "<p>选择的项".$rowID."已经成功的被删除!</p>" ;

if(mysql_affected_rows()==0){
echo "<p>没有找到记录!</p>" ;
}
}


?>




相关文档
最新文档