如何将数据输入数据库？ [英] How to input my data to database?
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问题描述
我尝试了什么：
<！DOCTYPE html>
< html>
< head>
< meta charset =utf-8>
< meta name =viewportcontent =width = device-width，initial-scale = 1，shrink-to-fit = no>
< link rel =stylesheethref =\ Project \ bootstrap.min.css>
< / head>
< body style =background：silver;>
< div class =container>
< nav class =navbar navbar-expand-lg navbar-light bg-light>
< a class =navbar-brandhref =Gaming.htmlstyle =font-family：verdana，arial;> GamerCen< / a>
< button class =navbar-togglertype =buttondata-toggle =collapsedata-target =＃navbarSupportedContent
aria-controls =navbarSupportedContentaria-expanded = falsearia-label =切换导航>
< span class =navbar-toggler-icon>< / span>
< / button>
< div class =collapse navbar-collapseid =navbarSupportedContent>
< ul class =navbar-nav mr-auto>
< li class =nav-item active>
< a class =nav-linkhref =Gaming.html>
主页< span class =sr-only>（当前）< / span>< / a>
< / li>
< li class =nav-item>
< a class =nav-linkhref =product.html>
产品< / a>
< / li>
< li class =nav-item>
< a class =nav-linkhref =logsign in.php>
登录/注册< / a>
< / li>
< / div>
< / nav>
< br>
< hr>
< h1 style =text-align：center;>订单< / h1>
< hr>
< table width =684height =336align =center>
< form method =post>
< tr>
< td width =120> Item_Name< / td>
< td width =12>：< / td>
< td width =267>< input name =Item_Nametype =textsize =50/>< / td>
< / tr>
< tr>
< td>价格< / td>
< td>：< / td>
< td>
RM
< select name =price>
< option value =100（Ori）> 100（Ori）< / option>
< option value =200（Ori + DLC）> 200（Ori + DLC）< / option>
< option value =300（Ori + DLC + Mod）> 300（Ori + DLC + Mod）< / option>
< / select>< / td>
< / tr>
< tr>
< td>数量< / td>
< td>：< / td>
< td colspan =2>
< select name =quantity>
< option value =1> 1< / option>
< option value =2> 2< / option>
< option value =3> 3< / option>
< / select>< / td>
< / tr>
< tr>
< td>地址< / td>
< td>：< / td>
< td>< textarea name =Addresscols =53>< / textarea> < / TD>
< / tr>
< tr>
< td align =centercolspan =3>< input type =submitname =submit>< / td>
< / tr>
< / form>
< / table>
<？php
$ conn = mysqli_connect（localhost，root，，project）;
if（$ conn === false）{
die（ERROR：无法连接。。mysqli_connect_error（））;
}
if（isset（$ _ REQUEST ['save']））{
$ Item_Name = real_escape_string（$ _ REQUEST ['Item_Name']）;
$ price = real_escape_string（$ _ REQUEST ['price']）;
$ quantity = real_escape_string（$ _ REQUEST ['quantity']）;
$ Address = real_escape_string（$ _ REQUEST ['Address']）;
$ sql =INSERT INTO order（Item_Name，price，quantity，Address）VALUES（'$ Item_Name'，'$ price'，'$ quantity'，'$ Address'）;
}
if（mysqli_query（$ conn，$ sql））{
echo记录添加成功。;
} else {
echo错误：无法执行$ sql。。 mysqli_error（$康恩）;
}
mysqli_close（$ conn）;
？>
< / body>
< / html>
解决方案
conn = mysqli_connect（localhost，root，，project ）;
if（
conn === false）{
die（ERROR：无法连接。。mysqli_connect_error（））;
}
if（isset（
_REQUEST ['save']））{
it a bit complicated for me cause i still new...i using the new phpmyadmin and what i learn at school is the old version..i try to use the coding and learn from other website and that make me more confusing..i wanna insert my data to database by using dropdown coding..i try using the same coding with string but its don't work..can somebody help me? This is my coding (sorry its pretty mess and maybe there a typing error) - the upper one its just bootstrap.
What I have tried:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<link rel="stylesheet" href="\Project\bootstrap.min.css">
</head>
<body style="background:silver;">
<div class="container">
<nav class="navbar navbar-expand-lg navbar-light bg-light">
<a class="navbar-brand" href="Gaming.html" style="font-family:verdana,arial;">GamerCen</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarSupportedContent"
aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarSupportedContent">
<ul class="navbar-nav mr-auto">
<li class="nav-item active">
<a class="nav-link" href="Gaming.html">
Home<span class="sr-only">(current)</span></a>
</li>
<li class="nav-item">
<a class="nav-link" href="product.html">
Product</a>
</li>
<li class="nav-item">
<a class="nav-link" href="logsign in.php">
Log In/Sign Up</a>
</li>
</div>
</nav>
<br>
<hr>
<h1 style="text-align:center;">Order</h1>
<hr>
<table width="684" height="336" align="center">
<form method="post">
<tr>
<td width="120">Item_Name </td>
<td width="12">:</td>
<td width="267"><input name="Item_Name" type="text" size="50" /></td>
</tr>
<tr>
<td>Price </td>
<td>:</td>
<td>
RM
<select name="price">
<option value="100 (Ori)">100 (Ori)</option>
<option value="200 (Ori + DLC)">200 (Ori + DLC)</option>
<option value="300 (Ori + DLC + Mod)">300 (Ori + DLC + Mod)</option>
</select></td>
</tr>
<tr>
<td>Quantity </td>
<td>:</td>
<td colspan="2">
<select name="quantity">
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
</select></td>
</tr>
<tr>
<td>Address</td>
<td>:</td>
<td><textarea name="Address" cols="53"></textarea> </td>
</tr>
<tr>
<td align="center" colspan="3"><input type="submit" name="submit"></td>
</tr>
</form>
</table>
<?php
$conn = mysqli_connect("localhost","root","","project");
if($conn === false){
die("ERROR: Could not connect. " . mysqli_connect_error());
}
if (isset($_REQUEST['save'])) {
$Item_Name = real_escape_string($_REQUEST['Item_Name']);
$price = real_escape_string($_REQUEST['price']);
$quantity = real_escape_string($_REQUEST['quantity']);
$Address = real_escape_string($_REQUEST['Address']);
$sql = "INSERT INTO order(Item_Name,price,quantity,Address) VALUES ('$Item_Name', '$price', '$quantity', '$Address')";
}
if(mysqli_query($conn, $sql)){
echo "Records added successfully.";
} else{
echo "ERROR: Could not able to execute $sql. " . mysqli_error($conn);
}
mysqli_close($conn);
?>
</body>
</html> 解决方案
conn = mysqli_connect("localhost","root","","project"); if(
conn === false){ die("ERROR: Could not connect. " . mysqli_connect_error()); } if (isset(
_REQUEST['save'])) {
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