[英]How to show mysql data in html input text?
I have created html file with generated text, and i want to populate fields like name and date from mysql database. 我用生成的文本创建了html文件,我想从mysql数据库中填充诸如名称和日期之类的字段。 The thing is i am trying to show data from mysql in html input text tag.
问题是我试图在html输入文本标签中显示来自mysql的数据。 But it only shows letter S. This is my php code:
但是它只显示字母S。这是我的php代码:
<?php
$db_host = ''; // Server Name
$db_user = ''; // Username
$db_pass = ''; // Password
$db_name = ''; // Database Name
$con = mysqli_connect($db_host, $db_user, $db_pass, $db_name);
if (mysqli_connect_errno())
{
echo "Failed to connect to MySQL: " . mysqli_connect_error();
}
$result = "SELECT ime_prezime,datumpocetka,datumzavrsetka,broj_dana,sektor,
mesto,tip,obrazlozenje,vreme_slanja
FROM godisnji
WHERE id=74";
mysqli_close($con);
?>
And this is a part of my html code: 这是我的html代码的一部分:
<p style="text-align:justify">1. Zaposlenom <input name="lname" type="text" value="<?php echo $result['ime_prezime'];?>"/>
na poslovima $posao, se odobrava
korišćenje godišnjeg odmora za 2018. godinu, u trajanju od 20 radnih dana.</p>
Just because... 只是因为...
Now this is very basic and you should learn to use PDO or at least the mysqli class. 现在这是非常基础的,您应该学习使用PDO或至少使用mysqli类。 But for now...
但现在...
This is a little demonstration code... ( It may have bugs as I have not run it ) 这是一些演示代码...(可能有错误,因为我没有运行它)
<?php
// The Database Connection Stuff should be in it's own file
// and included in each file that requires a database connection.
$db_host = ''; // Server Name
$db_user = ''; // Username
$db_pass = ''; // Password
$db_name = ''; // Database Name
$con = mysqli_connect($db_host, $db_user, $db_pass, $db_name);
if (mysqli_connect_errno())
{
echo "Failed to connect to MySQL: " . mysqli_connect_error();
}
// Create the SQL
$sql = "SELECT ime_prezime,datumpocetka,datumzavrsetka,broj_dana,sektor,
mesto,tip,obrazlozenje,vreme_slanja
FROM godisnji
WHERE id=74";
// Run the SQL statement
$query = mysqli_query($con,$sql);
// Read back the ROW as an associative array
$result = mysqli_fetch_assoc($query);
// DEBUG to learn what you get back and CHECK it's what you expect!
var_dump($result);
// If it exists...
echo ($result['ime_prezime']);
mysqli_close($con);
// Then Read up on how to use PDO or mysqli Class
And as a suggestion, due to the fact you won't always have a valid value you could use instead of... 并建议您,由于您并不总是拥有有效值,因此可以代替...
<?php echo $result['ime_prezime'];?>
Try this 尝试这个
<?= isset($result['ime_prezime'])?$result['ime_prezime']:'';?>
The above tests whether $result['ime_prezime'] exists, and if it does it will print it, else it will print ''. 上面的命令测试$ result ['ime_prezime']是否存在,如果打印,将打印它,否则将打印''。
Look up "Ternary Operators in PHP" 查找“ PHP中的三元运算符”
<?php
$db_host = ''; // Server Name
$db_user = ''; // Username
$db_pass = ''; // Password
$db_name = ''; // Database Name
// Create connection
$conn = new mysqli($db_host, $db_user , $db_pass , $db_name );
if ($conn->connect_error)
{
echo "Failed to connect to MySQL: " . $conn->connect_error;
}
$result = "SELECT ime_prezime,datumpocetka,datumzavrsetka,broj_dana,sektor,
mesto,tip,obrazlozenje,vreme_slanja FROM godisnji WHERE id=74";
$sqlQuery = $conn->query($result);
$value = $sqlQuery->fetch_assoc()['ime_prezime'];
echo "<p style='text-align:justify'>1. Zaposlenom <input
name='lname'type='text' value='".$value."'/></p>";
$conn->close();
?>
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