「20210104用PHP程式列出selldb資料庫的custs資料表的所有資料錄(a1.php)」：修訂間差異
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==0: mysql命令列操作== | |||
C:\Users\user>mysql -p -uroot | |||
Enter password: ************ | |||
Welcome to the MySQL monitor. Commands end with ; or \g. | |||
Your MySQL connection id is 19 | |||
Server version: 8.0.17 MySQL Community Server - GPL | |||
Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved. | |||
Oracle is a registered trademark of Oracle Corporation and/or its | |||
affiliates. Other names may be trademarks of their respective | |||
owners. | |||
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. | |||
<pre> | |||
mysql> use selldb; | |||
Database changed | |||
mysql> desc custs; | |||
+--------+----------+------+-----+---------+-------+ | |||
| Field | Type | Null | Key | Default | Extra | | |||
+--------+----------+------+-----+---------+-------+ | |||
| id | char(10) | YES | | NULL | | | |||
| name | char(20) | YES | | NULL | | | |||
| amount | float | YES | | NULL | | | |||
| tel | char(20) | YES | | NULL | | | |||
+--------+----------+------+-----+---------+-------+ | |||
4 rows in set (0.07 sec) | |||
mysql> select * from custs; | |||
+-------+--------+--------+--------+ | |||
| id | name | amount | tel | | |||
+-------+--------+--------+--------+ | |||
| 10001 | 小狗 | 100 | 233111 | | |||
| 20002 | 小貓 | 200 | 233444 | | |||
| 30003 | 小牛 | 300 | 233777 | | |||
+-------+--------+--------+--------+ | |||
3 rows in set (0.00 sec) | |||
mysql> quit | |||
Bye | |||
C:\Users\user> | |||
</pre> | |||
==1: a1.php== | ==1: a1.php== | ||
<pre> | <pre> | ||
於 2021年1月4日 (一) 06:54 的修訂
0: mysql命令列操作
C:\Users\user>mysql -p -uroot Enter password: ************ Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 19 Server version: 8.0.17 MySQL Community Server - GPL
Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
mysql> use selldb; Database changed mysql> desc custs; +--------+----------+------+-----+---------+-------+ | Field | Type | Null | Key | Default | Extra | +--------+----------+------+-----+---------+-------+ | id | char(10) | YES | | NULL | | | name | char(20) | YES | | NULL | | | amount | float | YES | | NULL | | | tel | char(20) | YES | | NULL | | +--------+----------+------+-----+---------+-------+ 4 rows in set (0.07 sec) mysql> select * from custs; +-------+--------+--------+--------+ | id | name | amount | tel | +-------+--------+--------+--------+ | 10001 | 小狗 | 100 | 233111 | | 20002 | 小貓 | 200 | 233444 | | 30003 | 小牛 | 300 | 233777 | +-------+--------+--------+--------+ 3 rows in set (0.00 sec) mysql> quit Bye C:\Users\user>
1: a1.php
<body bgcolor=lightyellow>
<img src=dog.png width=50>
<hr color=red>
<?php
$con = mysqli_connect('localhost', 'root', 'abc123abc123', 'selldb');
$sql= "select id,name,amount,tel from custs";
$query = mysqli_query($con, $sql);
while ($row = mysqli_fetch_array($query)){
echo $row['id'] . ":" . $row['name'] . ":" . $row['amount'] . "<br>";
}
mysqli_close ($con);
?>
<hr color=green>
<img src=cat.png width=50>
</body>
2:result HTML
<body bgcolor=lightyellow> <img src=dog.png width=50> <hr color=red> 10001:小狗:100<br>20002:小貓:200<br>30003:小牛:300<br><hr color=green> <img src=cat.png width=50> </body>