《使用PHP連接數(shù)據(jù)庫_實現(xiàn)用戶數(shù)據(jù)的增刪改查的整體操作示例PHP教程：》要點：
本文介紹了使用PHP連接數(shù)據(jù)庫_實現(xiàn)用戶數(shù)據(jù)的增刪改查的整體操作示例PHP教程：，希望對您有用。如果有疑問，可以聯(lián)系我們。
main頁面(主頁面)PHP教程
<table width="100%" border="1" cellpadding="0" cellspacing="0">
<tr>
<td>代號</td>
<td>姓名</td>
<td>性別</td>
<td>民族</td>
<td>生日</td>
<td>操作</td>
</tr>
<?php
$db = new MySQLi("localhost","root","","mydb");
if(mysqli_connect_error()){
die("連接失敗");
}
$sql = "select * from Info";
$result = $db->query($sql);
$attr = $result->fetch_all();
foreach($attr as $v)
{
$sex = $v[2]? '男':'女'; //三元運算符判斷性別
$sql = "select Name from Nation where Code ='$v[3]'";
$result = $db ->query($sql);
$attr = $result->fetch_assoc();
echo "<tr>
<td>{$v[0]}</td>
<td>{$v[1]}</td>
<td>{$sex}</td>
<td>{$attr['Name']}</td>
<td>{$v[4]}</td>
<td>
<a href='Delete.php?code={$v[0]}'>刪除</a>
<a href='Update.php?code={$v[0]}'>修改</a>
</td>
</tr>";
}
?>
</table>
<div>
<a href="Add.php" rel="external nofollow" >添加數(shù)據(jù)</a>
</div>
Add(添加數(shù)據(jù)頁面)PHP教程
<h1>添加數(shù)據(jù)</h1>
<form action="AddChuLi.php" method="post">
<div>代號：<input type="text" name="code" /></div>
<div>姓名：<input type="text" name="name" /></div>
<div>性別：
<input type="radio" value="男" name="sex" />男
<input type="radio" value="女" name="sex" />女
</div>
<div>民族:
<select name="nation">
<?php
$db = new MySQLi("localhost","root","","mydb");
if(mysqli_connect_error()){
die("連接失敗");
}
$sql = "select * from Nation";
$r = $db->query($sql);
$att = $r->fetch_all();
foreach($att as $v)
{
echo "<option value='{$v[0]}'>{$v[1]}</option>";
}
?>
</select>
</div>
<div>生日：<input type="text" name="birthday" /></div>
<div><input type="submit" value="添加數(shù)據(jù)" /></div>
</form>
AddChuLi頁面(添加數(shù)據(jù)處理頁面)PHP教程
<?php
$code = $_POST["code"];
$name = $_POST["name"];
$sex = $_POST["sex"];
$s = 1;
if($sex =="女")
{
$s=0;
}
$nation = $_POST["nation"];
$birthday = $_POST["birthday"];
$db = new MySQLi("localhost","root","","mydb");
if(mysqli_connect_error()){
die("連接失敗");
}
$sql = "insert into Info values('{$code}','{$name}','{$s}','{$nation}','{$birthday}')"; //添加數(shù)據(jù)語句
$result = $db->query($sql);
if($result)
{
header("location:main.php"); //php跳轉(zhuǎn)頁面方式
}
else
{
echo "添加失敗!";
}
DeleteChuLi頁面(刪除數(shù)據(jù)處理頁面)PHP教程
<?php
$code = $_GET["code"];
$db = new MySQLi("localhost","root","","mydb");
if(mysqli_connect_error()){
die("連接失敗");
}
$sql = "delete from Info where Code ='{$code}'"; //刪除語句
$r = $db->query($sql);
if($r)
{
header("location:main.php");
}
else
{
echo "刪除失敗!";
}
Update頁面(修改數(shù)據(jù)頁面)PHP教程
<h1>修改數(shù)據(jù)</h1>
<?php
$code = $_GET["code"];
$db = new MySQLi("localhost","root","","mydb");
if(mysqli_connect_error()){
die("連接失敗");
}
$sql1 = "select * from Info where Code='{$code}'";
$r1 = $db->query($sql1);
$att1 = $r1->fetch_row();
?>
<form action="UpdateChuLi.php" method="post">
<div>代號：<input type="hidden" name="code" value="<?php echo $att1[0] ?>" /></div>
<div>姓名：<input type="text" name="name" value="<?php echo $att1[1] ?>" /></div>
<div>性別：
<input type="radio" value="男" name="sex" <?php echo $att1[2] ? "checked='checked'" : ""; ?> />男
<input type="radio" value="女" name="sex" <?php echo $att1[2] ? "" : "checked='checked'"; ?> />女
</div>
<div>民族:
<select name="nation">
<?php
$db = new MySQLi("localhost","root","","mydb");
if(mysqli_connect_error()){
die("連接失敗");
}
$sql = "select * from Nation"; //查詢nation一組數(shù)據(jù)
$r = $db->query($sql);
$att = $r->fetch_all();
foreach($att as $v)
{
if($att1[3]==$v[0])
{
echo "<option value='{$v[0]}' selected='selectec' >{$v[1]}</option>";
}
else
{
echo "<option value='{$v[0]}'>{$v[1]}</option>";
}
}
?>
</select>
</div>
<div>生日：<input type="text" name="birthday" value="<?php echo $att1[4] ?>"/></div>
<div><input type="submit" value="修改數(shù)據(jù)" /></div>
</form>
ateChuLi頁面(修改數(shù)據(jù)處理頁面)PHP教程
<?php
$code = $_POST["code"];
$name = $_POST["name"];
$sex = $_POST["sex"];
$s=1;
if($sex=="女")
{
$s=0;
}
$nation = $_POST["nation"];
$birthday = $_POST["birthday"];
$db = new MySQLi("localhost","root","","mydb");
if(mysqli_connect_error()){
die("連接失敗");
}
$sql = "update Info set Name='{$name}',Sex={$s},Nation='{$nation}',Birthday='{$birthday}' where Code='{$code}'"; //修改數(shù)據(jù)語句
$r = $db->query($sql);
if($r)
{
header("location:main.php");
}
else
{
echo "修改失敗!";
}
以上這篇使用PHP連接數(shù)據(jù)庫_實現(xiàn)用戶數(shù)據(jù)的增刪改查的整體操作示例就是小編分享給大家的全部內(nèi)容了,希望能給大家一個參考,也希望大家多多支持腳本之家.PHP教程
轉(zhuǎn)載請注明本頁網(wǎng)址：
http://www.snjht.com/jiaocheng/192.html
