[英]How to save DIV content to MySql
如何在MySql中保存DIV的内容?
我有将index.php与mydata_post.php连接的脚本,在这里我调用要保存在MySql中的数据。
现在的问题是,我在显示在DIV中后尝试在MySql表中获取空内容的情况下保存数据。
如果我从输入而不是从Div调用,该脚本将起作用。
我要保存的Div内容在:
<form name="form1" method="POST" action="mydata_post.php">
<div id="name2" name="name"></div>
<div id="lastname2" name="lastname"></div>
<input type="submit" name="Submit" value="Submit">
</form>
任何人都可以提供帮助,这可能是错误的地方?
<!DOCTYPE html>
<html lang="en" xmlns:fb="https://www.facebook.com/2008/fbml">
<head>
<meta charset="utf-8" />
<link href="main.css" rel="stylesheet" type="text/css" />
</head>
<body>
<form name="form1" method="POST" action="mydata_post.php">
<div id="name2" name="name"></div>
<div id="lastname2" name="lastname"></div>
<input type="submit" name="Submit" value="Submit">
</form>
<center>
<h1>Authorization step:</h1>
<div id="user-info"></div>
<button id="fb-auth">Please login here</button>
</center>
<div id="result_friends"></div>
<div id="fb-root"></div>
<script>
function sortMethod(a, b) {
var x = a.name.toLowerCase();
var y = b.name.toLowerCase();
return ((x < y) ? -1 : ((x > y) ? 1 : 0));
}
window.fbAsyncInit = function() {
FB.init({ appId: '<?= $sApplicationId ?>',
status: true,
cookie: true,
xfbml: true,
oauth: true
});
function updateButton(response) {
var button = document.getElementById('fb-auth');
if (response.authResponse) { // in case if we are logged in
var userInfo = document.getElementById('user-info');
var myname = document.getElementById('name2');
FB.api('/me', function(response) {
myname.innerHTML = response.name;
userInfo.innerHTML = '<img name="userimage" src="https://graph.facebook.com/' + response.id + '/picture">'+ "<br> Your Name:" + response.name + "<br> Your ID:" + response.id ;
button.innerHTML = '<div id="logout_bt">Logout</div';
});
// get friends
FB.api('/me/friends?limit=<?= $iLimit ?>', function(response) {
var result_holder = document.getElementById('result_friends');
var friend_data = response.data.sort(sortMethod);
var results = '';
for (var i = 0; i < friend_data.length; i++) {
results += '<div><img src="https://graph.facebook.com/' + friend_data[i].id + '/picture">' + friend_data[i].name + "<br> Your ID:" + friend_data[i].id + '</div>';
}
// and display them at our holder element
result_holder.innerHTML = '<h2>Result list of your friends:</h2>' + results;
});
FB.api('/me/friends?limit=<?= $iLimit ?>', function(response) {
var id_holder = document.getElementById('lastname2');
var id_data = response.data.sort(sortMethod);
var id_results = '';
for (var i = 0; i < id_data.length; i++) {
id_results += '<div> ' + id_data[i].id + '</div>';
}
// and display them at our holder element
id_holder.innerHTML = '<h2>Result list of your friends:</h2>' + id_results;
});
button.onclick = function() {
FB.logout(function(response) {
window.location.reload();
});
};
} else { // otherwise - dispay login button
button.onclick = function() {
FB.login(function(response) {
if (response.authResponse) {
window.location.reload();
}
}, {scope:''});
}
}
}
// run once with current status and whenever the status changes
FB.getLoginStatus(updateButton);
FB.Event.subscribe('auth.statusChange', updateButton);
};
(function() {
var e = document.createElement('script'); e.async = true;
e.src = document.location.protocol + '//connect.facebook.net/en_US/all.js';
document.getElementById('fb-root').appendChild(e);
}());
</script>
</body>
</html>
mydata_post.php-文件
<?php
$host=""; // Host name
$username=""; // Mysql username
$password=""; // Mysql password
$db_name=""; // Database name
$tbl_name=""; // Table name
// Connect to server and select database.
mysql_connect("$host", "$username", "$password")or die("cannot connect");
mysql_select_db("$db_name")or die("cannot select DB");
// Get values from form
$name=$_POST['name'];
$lastname=$_POST['lastname'];
$email=$_POST['email'];
// Insert data into mysql
$sql="INSERT INTO $tbl_name(name, lastname, email)VALUES('$name','$lastname','$email')";
$result=mysql_query($sql);
// if successfully insert data into database, displays message "Successful".
if($result){
echo "Successful";
}
else {
echo "ERROR";
}
?>
您必须使用输入,而不是div才能通过表单传递其内容。 这行不通:
<div id="name2" name="name"></div>
这将:
<input type="text" name="name" value="" />
另外,在mydata_post.php中使用HTML时,您会丢失其“电子邮件”输入。 因此,您必须使用以下内容:
<form name="form1" method="POST" action="mydata_post.php">
<input type="text" id="name2" name="name" value="" />
<input type="text" id="lastname2" name="lastname" value="" />
<input type="text" id="email2" name="email" value="" />
<input type="submit" name="Submit" value="Submit">
</form>
还要记住在使用mysql_real_escape_string在SQL请求中使用数据之前先转义数据。 或切换到PDO或mysqli并使用准备好的语句。
请遵循以下代码
<div id="name">
<span>hi</span>
</div>
<input type="button" onclick="test()" value="click"/>
下面是jQuery
<script>
function test(){
var a=$('#name').html();
alert(a);
}
</script>
JSFiddle链接演示
从jquery获取该值,然后将该字符串值分配给textarea。 之后,获取$ _POST ['textarea']值以插入到MYSQL中。
您将必须创建如下所示的隐藏输入:
<input type=hidden name=name />
并在POST之前,在form
的onsumbit
属性中调用包装的submit
函数,以将div
的数据放入隐藏字段中。
<form name="form1" method="POST" action="mydata_post.php" onsubmit="moveData();">
<script>
function moveData(){
var data = document.getElementById('divNameID').innerHTML;
var form = document.getElementsByName('form1')[0];
form['name'].value = data;
}
</script>
附带说明一下,您还将要清理字符串并切换到PDO
或mysqli
以防止SQL注入。
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