Javascript:仍然显示以前的结果
就像我有一个包含8个选项的选择框。当单击每个特定选项时,将显示一个我称之为“结果”的唯一文本。这很有效,只是在选择一个选项后,会同时显示我不想要的上一个和当前的“结果” 所以我的问题是如何创建一个Javascript:仍然显示以前的结果,javascript,php,jquery,html,Javascript,Php,Jquery,Html,就像我有一个包含8个选项的选择框。当单击每个特定选项时,将显示一个我称之为“结果”的唯一文本。这很有效,只是在选择一个选项后,会同时显示我不想要的上一个和当前的“结果” 所以我的问题是如何创建一个select框,当选择每个选项时,它会显示一个唯一的“结果”,但当选择一个新选项之后,以前的“结果”就不再显示了 注意,我可以访问jQuery和Ajax(如果这很重要的话) 另外,这是我的代码: <?php $currentDir = getcwd(); $uploadDirect
select
框,当选择每个选项时,它会显示一个唯一的“结果”,但当选择一个新选项之后,以前的“结果”就不再显示了
注意,我可以访问jQuery和Ajax(如果这很重要的话)
另外,这是我的代码:
<?php
$currentDir = getcwd();
$uploadDirectory = "/uploads/";
$errors = []; // Store all foreseen and unforseen errors here
$fileExtensions = ['jpeg','jpg','png','mp4']; // Get all the file extensions
$fileName = $_FILES['myfile']['name'];
$fileSize = $_FILES['myfile']['size'];
$fileTmpName = $_FILES['myfile']['tmp_name'];
$fileType = $_FILES['myfile']['type'];
$fileExtension = strtolower(end(explode('.',$fileName)));
$uploadPath = $currentDir . $uploadDirectory . basename($fileName);
if (isset($_POST['submit'])) {
if (! in_array($fileExtension,$fileExtensions)) {
$errors[] = "This file extension is not allowed. Please upload a JPEG or PNG file";
}
if ($fileSize > 1000000000) {
$errors[] = "This file is more than 1GB. Sorry, it has to be less than or equal to 1GB";
}
if (empty($errors)) {
$didUpload = move_uploaded_file($fileTmpName, $uploadPath);
if ($didUpload) {
echo basename($fileName) ;
} else {
echo "An error occurred somewhere. Try again or contact the admin";
}
} else {
foreach ($errors as $error) {
echo $error . "These are the errors" . "\n";
}
}
}
?>
<BR><BR>
<?PHP
?>
<?php $dates= date("Y-m-d")?>
<STYLE>
input:focus {
box-shadow: none;
padding:none
margin: none
border: none;
}
fieldset {
border: 2px solid green;
}
</STYLE>
<?php $file=$_POST['myfile']?>
<html>
<div style="white-space:nowrap;overflow:visible;display:inline-block">
<form action="sqltransfer.php" method="POST" enctype="multipart/form-data">
<img src="<?php echo $fileName?>"><input style="border:none;border-bottom:2px solid green;position:relative; width:80%;" placeholder="Public title of file" maxlength="100" q="1"name="myfile"><br><br>
<textarea style="border:2px solid green;width:118%;HEIGHT:10%;position:relative;" placeholder="Brief information about it,descriptions and comments" type="text"maxlength="300" min="1"></textarea><br><br>
<input style="border:none;border-bottom:2px solid green;position:relative; width:100%;" placeholder="Tags to help people find your file more easily" maxlength="40" q="1"name="myfile"><br><br>
<!---language--->
<hr>
<form action="sqltransfer.php" method="POST">
<fieldset>
<legend><b>Category:</b></legend>
<select id="category" onchange="say()" name="category">
<div style="box-shadow:0px 10px 19px 0px rgba(0,0,0,0.2)">
<option value="All types"style="background-color:#62ffff"><text style="background-color:orange;padding-bottom:2%">Other</text>
<option value="Video"style="background-color:#62ffff;"id='video'>Video</option>
<option value="Music"style="background-color:#62ffff"id='music'>Music</option>
<option value="ebook"style="background-color:#62ffff"id='ebook'>ebook</option>
<option value="Animation"style="background-color:#62ffff"id='animation'>Animation</option>
<option value="joke"style="background-color:#62ffff" id='joke'>joke</option>
<option value="software"style="background-color:#62ffff"id='software'>software</option>
<option value="image"style="background-color:#62ffff"id='image'>image</option>
<option value="gif"style="background-color:#62ffff"id='gif'>gif</option>
<option value="document"style="background-color:#62ffff" id='document'>Document</option>
<p id="demo"></p>
</select>
</fieldset>
<br><br.
<fieldset>
<legend><b>File settings</b></legend>
Allow comments <input type="checkbox"/>
<form action="sqltransfer.php" method="POST">
<p>Visibility</p>
<input type ="radio" name="visibility" value="Public">Public
<input type ="radio" name="visibility" value="Private">Private
<input type ="radio" name="visibility" value="Scheduled">Scheduled
<input type ="radio" name="visibility" value="Password protected">Password protected
</p>
<input type="submit" id="sub" >
Preferred age target<input>
<!---video--->
<text id="vid6">Captions/subtitles:</text> <input type="checkbox" id="myCheck" onclick="myFunction()">
<p id="text" style="display:none">Source(caption)<input style="border:none;border-bottom:2px solid green;position:relative; width:100%;" placeholder="Subtitle source" maxlength="40" name="sub">
<br>Source(subtitles)<input style="border:none;border-bottom:2px solid green;position:relative; width:100%;" placeholder="Caption source" maxlength="40" name="sub">
</P>
<!---music--->
<span style="display:none" id="mus">Lyrics available<input type="checkbox" id="myCheck1" onclick="myFunction1()">
Source:<span style="display:none" id="text1"><input style="border:none;border-bottom:2px solid green;position:relative; width:100%;" placeholder="Lyrics sorce" maxlength="40" name="sub"><br><br>
Type *optional*<!---all types of music!--->
</span>
</span>
</form>
</fieldset>
</div>
</form>
<hr>
<fieldset>
<b>
<legend>
<fieldset>
<legend>General info:</legend>
</legend>
</b><br>
Current date:<?php echo $dates?><br>
File name:<?php echo $fileName?><br>
File size:<?php echo $fileSize?><br>
File type:<?php echo $fileType?><br>
File path:<?php echo $fileTmpName?><br>
Producer:<?php echo $fileTmpName?><br>
<!--video,gif and music--->
<text id="vid1" style="display:none">Duration:</text>
<text id="vid2" style="display:none">Loudness:</text>
<!---ebook and documents and jokes--->
<text id="book1" style="display:none">No of characters:</text>
<text id="book2" style="display:none">No of words:</text>
<!---images and gif--->
<text id="pic1" style="display:none">Width:</text>
<text id="pic2" style="display:none">Height:</text>
</fieldset>
</span>
</form>
</form>
</div>
</fieldset>
<button style="background-color:blue;color:white;height:8%"value="Upload now" onclick="sub()"><font size="6%">Upload now</button> <button style="background-color:teal;color:white;height:8%"value="Save for later"><font size="6%">Save for later</button> <button style="background-color:red;color:white;height:8%"value="Discard"><font size="6%">Discard</button></font>
<p id="i" style="display:none"></p>
<script>
function say(){
var c=document.getElementById('category').value
document.getElementById("i").innerHTML=c;
var v=document.getElementById('video').innerHTML
var m=document.getElementById('music').innerHTML
var eb=document.getElementById('ebook').innerHTML
var a=document.getElementById('animation').innerHTML
var j=document.getElementById('joke').innerHTML
var s=document.getElementById('software').innerHTML
var i=document.getElementById('image').innerHTML
var g=document.getElementById('gif').innerHTML
var d=document.getElementById('document').innerHTML
if (c==v){
vid();
function vid(){
document.getElementById("vid1").style.display="block";
document.getElementById("vid2").style.display="block";
document.getElementById("vid4").style.display="block";
document.getElementById("vid5").style.display="block";
document.getElementById("vid6").style.display="block";
document.getElementById("mus").style.display="none";
document.getElementById("book1").style.display="none";
document.getElementById("book2").style.display="none";
document.getElementById("pic1").style.display="none";
document.getElementById("pic2").style.display="none";
}
}
else if (c==m){
document.getElementById("mus").style.display="block";
}
else if (c==eb){
document.getElementById("book1").style.display="block";
document.getElementById("book2").style.display="block";
document.getElementById("mus").style.display="block";
document.getElementById("vid1").style.display="none";
document.getElementById("vid2").style.display="none";
document.getElementById("vid4").style.display="none";
document.getElementById("vid5").style.display="none";
document.getElementById("vid6").style.display="none";
}
else if (c==a){
document.getElementById("vid1").style.display="block";
document.getElementById("vid2").style.display="block";
document.getElementById("vid4").style.display="block";
document.getElementById("vid5").style.display="block";
}
else if (c==j){
document.getElementById("book1").style.display="block";
document.getElementById("book2").style.display="block";
}
else if (c==s){
alert("5");
}
else if (c==i){
document.getElementById("pic1").style.display="block";
document.getElementById("pic2").style.display="block";
}
else if (c==g){
document.getElementById("vid1").style.display="block";
document.getElementById("vid2").style.display="block";
document.getElementById("pic1").style.display="block";
document.getElementById("pic2").style.display="block";
}
else{
document.getElementById("book1").style.display="block";
document.getElementById("book2").style.display="block";
}
}
function myFunction() {
var checkBox = document.getElementById("myCheck");
var text = document.getElementById("text");
if (checkBox.checked == true){
text.style.display = "block";
} else {
text.style.display = "none";
}
}
function myFunction1() {
var checkBox = document.getElementById("myCheck1");
var text = document.getElementById("text1");
if (checkBox.checked == true){
text.style.display = "block";
} else {
text.style.display = "none";
}
}
</script>
</html>
输入:焦点{
盒影:无;
填充:无
保证金:无
边界:无;
}
字段集{
边框:2倍纯绿;
}
“>
类别:
其他
视频
音乐
电子书
动画
笑话
软件
形象
gif
文件
歌词可用
来源:
类型*可选*
一般信息:
当前日期:
文件名:
文件大小:
文件类型:
文件路径:
制片人:
持续时间:
响度:
字符数:
字数:
宽度:
高度:
立即上载保存以备以后丢弃
函数say(){
var c=document.getElementById('category')。值
document.getElementById(“i”).innerHTML=c;
var v=document.getElementById('video').innerHTML
var m=document.getElementById('music').innerHTML
var eb=document.getElementById('ebook').innerHTML
var a=document.getElementById('animation').innerHTML
var j=document.getElementById('joke').innerHTML
var s=document.getElementById('software').innerHTML
var i=document.getElementById('image').innerHTML
var g=document.getElementById('gif').innerHTML
var d=document.getElementById('document').innerHTML
如果(c==v){
vid();
函数vid(){
document.getElementById(“vid1”).style.display=“block”;
document.getElementById(“vid2”).style.display=“block”;
document.getElementById(“vid4”).style.display=“block”;
document.getElementById(“vid5”).style.display=“block”;
document.getElementById(“vid6”).style.display=“block”;
document.getElementById(“mus”).style.display=“无”;
document.getElementById(“book1”).style.display=“无”;
document.getElementById(“book2”).style.display=“无”;
document.getElementById(“pic1”).style.display=“无”;
document.getElementById(“pic2”).style.display=“无”;
}
}
else如果(c==m){
document.getElementById(“mus”).style.display=“block”;
}
else如果(c==eb){
document.getElementById(“book1”).style.display=“block”;
document.getElementById(“book2”).style.display=“block”;
document.getElementById(“mus”).style.display=“block”;
document.getElementById(“vid1”).style.display=“无”;
document.getElementById(“vid2”).style.display=“无”;
document.getElementById(“vid4”).style.display=“无”;
document.getElementById(“vid5”).style.display=“无”;
document.getElementById(“vid6”).style.display=“无”;
}
else如果(c==a){
document.getElementById(“vid1”).style.display=“block”;
document.getElementById(“vid2”).style.display=“block”;
document.getElementById(“vid4”).style.display=“block”;
document.getElementById(“vid5”).style.display=“block”;
}
else如果(c==j){
document.getElementById(“book1”).style.display=“block”;
document.getElementById(“book2”).style.display=“block”;
}
else如果(c==s){
警报(“5”);
}
else如果(c==i){
document.getElementById(“pic1”).style.display=“block”;
document.getElementById(“pic2”).style.display=“block”;
}
else如果(c==g){
document.getElementById(“vid1”).style.display=“block”;
document.getElementById(“vid2”).style.display=“block”;
document.getElementById(“pic1”).style.display=“block”;
document.getElementById(“pic2”).style.display=“block”;
}
否则{
document.getElementById(“book1”).style.display=“block”;
document.getElementById(“book2”).style.display=“block”;
}
}
函数myFunction(){
var checkBox=document.getElementById(“myCheck”);
var text=document.getElementById(“text”);
如果(checkBox.checked==true){
text.style.display=“块”;
}否则{
text.style.display=“无”;
}
}
函数myFunction1(){
var checkBox=document.getElementById(“myCheck1”);
var text=document.getElementById(“text1”);
如果(checkBox.checked==true){
text.style.display=“块”;
}否则{
text.style.display=“无”;
}
}
我想您只需要在更新之前清除该框
function myFunction() {
var checkBox = document.getElementById("myCheck1");
//clear text
document.getElementById("text1").value=""
var text = document.getElementById("text1");
if (checkBox.checked == true){
text.style.display = "block";
} else {
text.style.display = "none";
}
}
编辑
尝试更改为“无”和“隐藏”
document.getElementById("mus").style.display="none";
document.getElementById("mus").style.visibility = "hidden";
然后用可见和块显示它们
document.getElementById("mus").style.visibility="visible";
document.getElementById("mus").style.display="block";
say()
函数中的逻辑是什么?有时显示一些块并隐藏一些其他块,有时只显示其中两个,而将其他块保留在以前的状态
我制作了一支钢笔,除了我设置为阻止的以外,我还隐藏了其他所有东西:
这就是你想要的吗?不,不是那部分,我说的是包含视频、动画、音乐等选项的选择框,尝试将它们更改为隐藏更新我的答案