我是php新手。我试图在PHP中使用Ajax JQuery知道多个内联插入到Mysql中。 然后我按照“webslesson”这个教程。我的所有代码和数据库都像Weblesson网络教程一样好。但我的保存按钮不起作用,不发送我的数据库中的任何数据,也没有显示任何错误.... 的index.php
<!DOCTYPE html>
<html>
<head>
<title>Multiple Inline Insert into Mysql using Ajax JQuery in PHP</title>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.0/jquery.min.js"></script>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" />
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
</head>
<body>
<br /><br />
<div class="container">
<br />
<h2 align="center">Multiple Inline Insert into Mysql using Ajax JQuery in PHP</h2>
<br />
<div class="table-responsive">
<table class="table table-bordered" id="crud_table">
<tr>
<th width="30%">Item Name</th>
<th width="10%">Item Code</th>
<th width="45%">Description</th>
<th width="10%">Price</th>
<th width="5%"></th>
</tr>
<tr>
<td contenteditable="true" class="item_name"></td>
<td contenteditable="true" class="item_code"></td>
<td contenteditable="true" class="item_desc"></td>
<td contenteditable="true" class="item_price"></td>
<td></td>
</tr>
</table>
<div align="right">
<button type="button" name="add" id="add" class="btn btn-success btn-xs">+</button>
</div>
<div align="center">
<button type="button" name="save" id="save" class="btn btn-info">Save</button>
</div>
<br />
<div id="inserted_item_data"></div>
</div>
</div>
</body>
</html>
<script>
$(document).ready(function(){
var count = 1;
$('#add').click(function(){
count = count + 1;
var html_code = "<tr id='row"+count+"'>";
html_code += "<td contenteditable='true' class='item_name'></td>";
html_code += "<td contenteditable='true' class='item_code'></td>";
html_code += "<td contenteditable='true' class='item_desc'></td>";
html_code += "<td contenteditable='true' class='item_price' ></td>";
html_code += "<td><button type='button' name='remove' data-row='row"+count+"' class='btn btn-danger btn-xs remove'>-</button></td>";
html_code += "</tr>";
$('#crud_table').append(html_code);
});
$(document).on('click', '.remove', function(){
var delete_row = $(this).data("row");
$('#' + delete_row).remove();
});
$('#save').click(function(){
var item_name = [];
var item_code = [];
var item_desc = [];
var item_price = [];
$('.item_name').each(function(){
item_name.push($(this).text());
});
$('.item_code').each(function(){
item_code.push($(this).text());
});
$('.item_desc').each(function(){
item_desc.push($(this).text());
});
$('.item_price').each(function(){
item_price.push($(this).text());
});
$.ajax({
url:"insert.php",
method:"POST",
data:{item_name:item_name, item_code:item_code, item_desc:item_desc, item_price:item_price},
success:function(data){
alert(data);
$("td[contentEditable='true']").text("");
for(var i=2; i<= count; i++)
{
$('tr#'+i+'').remove();
}
fetch_item_data();
}
});
});
function fetch_item_data()
{
$.ajax({
url:"fetch.php",
method:"POST",
success:function(data)
{
$('#inserted_item_data').html(data);
}
})
}
fetch_item_data();
});
</script>
insert.php
<?php
//insert.php
$connect = mysqli_connect("127.0.0.1", "root", "", "testing4");
if(isset($_POST["item_name"]))
{
$item_name = $_POST["item_name"];
$item_code = $_POST["item_code"];
$item_desc = $_POST["item_desc"];
$item_price = $_POST["item_price"];
$query = '';
for($count = 0; $count<count($item_name); $count++)
{
$item_name_clean = mysqli_real_escape_string($connect, $item_name[$count]);
$item_code_clean = mysqli_real_escape_string($connect, $item_code[$count]);
$item_desc_clean = mysqli_real_escape_string($connect, $item_desc[$count]);
$item_price_clean = mysqli_real_escape_string($connect, $item_price[$count]);
if($item_name_clean != '' && $item_code_clean != '' && $item_desc_clean != '' && $item_price_clean != '')
{
$query .= '
INSERT INTO item(item_name, item_code, item_description, item_price)
VALUES("'.$item_name_clean.'", "'.$item_code_clean.'", "'.$item_desc_clean.'", "'.$item_price_clean.'");
';
}
}
if($query != '')
{
if(mysqli_multi_query($connect, $query))
{
echo 'Item Data Inserted';
}
else
{
echo 'Error';
}
}
else
{
echo 'All Fields are Required';
}
}
?>
fetch.php
<?php
//fetch.php
$connect = mysqli_connect("127.0.0.1", "root", "", "testing4");
$output = '';
$query = "SELECT * FROM item ORDER BY item_id DESC";
$result = mysqli_query($connect, $query);
$output = '
<br />
<h3 align="center">Item Data</h3>
<table class="table table-bordered table-striped">
<tr>
<th width="30%">Item Name</th>
<th width="10%">Item Code</th>
<th width="50%">Description</th>
<th width="10%">Price</th>
</tr>
';
while($row = mysqli_fetch_array($result))
{
$output .= '
<tr>
<td>'.$row["item_name"].'</td>
<td>'.$row["item_code"].'</td>
<td>'.$row["item_description"].'</td>
<td>'.$row["item_price"].'</td>
</tr>
';
}
$output .= '</table>';
echo $output;
?>
这是我的数据库...... item.sql
--
-- Database: `testing4`
- -
-- --------------------------------------------------------
--
-- Table structure for table `item`
--
CREATE TABLE `item` (
`item_id` int(11) NOT NULL,
`item_name` varchar(250) NOT NULL,
`item_code` varchar(250) NOT NULL,
`item_description` text NOT NULL,
`item_price` varchar(30) NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1;