Javascript 带切换按钮的幻灯片放映(自动/单步)
我在javascript和css(没有jquery或其他任何东西)中的幻灯片演示作业有问题 此幻灯片应具有两种模式:一种是自动模式,可自行显示图片;另一种是手动更改图片。按钮应分别更改。 两种模式都可以正常工作,但我的切换按钮不能 感谢您的帮助 这是我的密码: CSSJavascript 带切换按钮的幻灯片放映(自动/单步),javascript,html,css,Javascript,Html,Css,我在javascript和css(没有jquery或其他任何东西)中的幻灯片演示作业有问题 此幻灯片应具有两种模式:一种是自动模式,可自行显示图片;另一种是手动更改图片。按钮应分别更改。 两种模式都可以正常工作,但我的切换按钮不能 感谢您的帮助 这是我的密码: CSS 正文{填充顶部:2%;} div{边框:纯红1px;宽度:550px;填充:10px;文本对齐:居中;} text区域{背景色:#ccc;} .Slides{显示:无;} HTML 暂停 简单幻灯片放映 Javascrip
正文{填充顶部:2%;}
div{边框:纯红1px;宽度:550px;填充:10px;文本对齐:居中;}
text区域{背景色:#ccc;}
.Slides{显示:无;}
HTML
暂停
简单幻灯片放映
Javascript
<script>
var currentSlide = 1;
document.getElementById('Slide001').style.display = "inline" ;
document.getElementById('current').value = 'Slide00' + (currentSlide +0);
document.getElementById('TimeLineInfos').value = 'Slide00'+currentSlide + ' : ' + TimeEst() + '\n';
function myClick(){
var t = TimeEst()
currentSlide += 1 ;
if ( currentSlide != 7 ) {
var currentID = 'Slide00'+currentSlide ;
var previousID = 'Slide00'+(currentSlide - 1) ;
}
if ( currentSlide == 7 ) {
currentSlide = 1
var currentID = 'Slide001'
var previousID = 'Slide006'
}
document.getElementById(previousID).style.display = "none" ;
document.getElementById(currentID).style.display = "inline" ;
document.getElementById('current').value = currentID;
document.getElementById('TimeLineInfos').value += currentID + ' : ' + t + '\n';
//sendTimeLine(currentID,t);
//document.form1.submit();
}
function myClick_previous(){
var t = TimeEst()
currentSlide -= 1 ;
if ( currentSlide != 0 ) {
var currentID = 'Slide00'+currentSlide ;
var previousID = 'Slide00'+(currentSlide + 1) ;
}
if ( currentSlide == 0 ) {
currentSlide = 6
var currentID = 'Slide006'
var previousID = 'Slide001'
}
document.getElementById(previousID).style.display = "none" ;
document.getElementById(currentID).style.display = "inline" ;
document.getElementById('current').value = currentID;
document.getElementById('TimeLineInfos').value += currentID + ' : ' + t + '\n';
}
var myIndex = 0;
slide();
var timer;
function slide() {
var i;
var x = document.getElementsByClassName("Slides");
for (i = 0; i < x.length; i++) {
x[i].style.display = "none";
}
myIndex++;
if (myIndex > x.length) {myIndex = 1}
x[myIndex-1].style.display = "block";
timer=setTimeout(slide, 3000); // Change image every 3seconds
}
//from down here is my problematic code
var playing = true;
var pauseButton = document.getElementById('pause');
function pauseSlideshow(){
pauseButton.innerHTML = 'Play';
playing = false;
clearInterval(timer);
}
function playSlideshow(){
pauseButton.innerHTML = 'Pause';
playing = true;
slideInterval = setInterval(slide,3000);
}
pauseButton.onclick = function(){
if(playing){ pauseSlideshow(); }
else{ slide(); }
};
function TimeEst(){
var d = new Date();
var t = d.getTime() ;// + "." + d.getMilliseconds();
return t;
}
</script>
var currentSlide=1;
document.getElementById('Slide001').style.display=“inline”;
document.getElementById('current')。值='Slide00'+(currentSlide+0);
document.getElementById('TimeLineInfos')。值='Slide00'+currentSlide+':'+TimeEst()+'\n';
函数myClick(){
var t=TimeEst()
电流滑动+=1;
如果(当前幻灯片!=7){
var currentID='Slide00'+currentSlide;
var-previousID='Slide00'+(当前幻灯片-1);
}
如果(当前幻灯片==7){
currentSlide=1
var currentID='Slide001'
var previousID='Slide006'
}
document.getElementById(previousID).style.display=“无”;
document.getElementById(currentID).style.display=“inline”;
document.getElementById('current')。value=currentID;
document.getElementById('TimeLineInfos')。value+=currentID+':'+t+'\n';
//sendTimeLine(当前ID,t);
//文件。表格1。提交();
}
函数myClick_previous(){
var t=TimeEst()
电流滑动-=1;
如果(当前幻灯片!=0){
var currentID='Slide00'+currentSlide;
var previousID='Slide00'+(currentSlide+1);
}
如果(当前幻灯片==0){
当前幻灯片=6
var currentID='Slide006'
var previousID='Slide001'
}
document.getElementById(previousID).style.display=“无”;
document.getElementById(currentID).style.display=“inline”;
document.getElementById('current')。value=currentID;
document.getElementById('TimeLineInfos')。value+=currentID+':'+t+'\n';
}
var-myIndex=0;
幻灯片();
无功定时器;
函数幻灯片(){
var i;
var x=document.getElementsByClassName(“幻灯片”);
对于(i=0;ix.length){myIndex=1}
x[myIndex-1].style.display=“block”;
timer=setTimeout(幻灯片,3000);//每3秒更改一次图像
}
//下面是我的问题代码
var=true;
var pauseButton=document.getElementById('pause');
函数pauseSlideshow(){
pauseButton.innerHTML='Play';
玩=假;
清除间隔(计时器);
}
函数playsileshow(){
pauseButton.innerHTML='Pause';
玩=真;
slideInterval=设置间隔(slide,3000);
}
pauseButton.onclick=函数(){
如果(播放){pauseSlideshow();}
else{slide();}
};
函数TimeEst(){
var d=新日期();
var t=d.getTime();//+“+d.getmillizes();
返回t;
}
我终于找到了……答案比我想象的要简单!(我只是把它贴出来,以防有人需要它作为一个例子…)
HTML、CSS保持不变,只是Javascript有所改变
我们开始:
<script>
var currentSlide = 1;
var flag=1;
document.getElementById('Slide001').style.display = "inline" ;
document.getElementById('current').value = 'Slide00' + (currentSlide +0);
document.getElementById('TimeLineInfos').value = 'Slide00'+currentSlide + ' : ' + TimeEst() + '\n';
var timer = setInterval(function(){ myClick_next(); }, 3000);
var playing=true;
function toggle()
{
if(playing==true)
{
playing=false;
clearInterval(timer);
document.getElementById("STEP").value = "AUTO";
}
else
{
playing=true;
timer=setInterval(function(){ myClick_next(); }, 3000);
document.getElementById("STEP").value = "STEP";
}
}
document.getElementById("BACK").disabled = true;
function myClick_next(){
var t = TimeEst()
currentSlide += 1 ;
document.getElementById("BACK").disabled = false;
if ( currentSlide != 7 ) {
var currentID = 'Slide00'+currentSlide ;
var previousID = 'Slide00'+(currentSlide - 1) ;
}
if ( currentSlide == 7 ) {
currentSlide = 1
var currentID = 'Slide001'
var previousID = 'Slide006'
}
document.getElementById(previousID).style.display = "none" ;
document.getElementById(currentID).style.display = "inline" ;
document.getElementById('current').value = currentID;
document.getElementById('TimeLineInfos').value += currentID + ' : ' + t + '\n';
//sendTimeLine(currentID,t);
//document.form1.submit();
}
function myClick_previous(){
var t = TimeEst()
currentSlide -= 1 ;
if ( currentSlide != 0 ) {
var currentID = 'Slide00'+currentSlide ;
var previousID = 'Slide00'+(currentSlide + 1) ;
}
if ( currentSlide == 1 ) {
document.getElementById("BACK").disabled = true;
//currentSlide = 6
//var currentID = 'Slide006'
//var previousID = 'Slide001'
}
document.getElementById(previousID).style.display = "none" ;
document.getElementById(currentID).style.display = "inline" ;
document.getElementById('current').value = currentID;
document.getElementById('TimeLineInfos').value += currentID + ' : ' + t + '\n';
//sendTimeLine(currentID,t);
//document.form1.submit();
}
function TimeEst(){
var d = new Date();
var t = d.getTime() ;// + "." + d.getMilliseconds();
return t;
}
</script>
var currentSlide=1;
var标志=1;
document.getElementById('Slide001').style.display=“inline”;
document.getElementById('current')。值='Slide00'+(currentSlide+0);
document.getElementById('TimeLineInfos')。值='Slide00'+currentSlide+':'+TimeEst()+'\n';
var timer=setInterval(函数(){myClick_next();},3000);
var=true;
函数切换()
{
如果(播放==真)
{
玩=假;
清除间隔(计时器);
document.getElementById(“步骤”).value=“自动”;
}
其他的
{
玩=真;
计时器=设置间隔(函数(){myClick_next();},3000);
document.getElementById(“步骤”).value=“步骤”;
}
}
document.getElementById(“BACK”).disabled=true;
函数myClick_next(){
var t=TimeEst()
电流滑动+=1;
document.getElementById(“BACK”).disabled=false;
如果(当前幻灯片!=7){
var currentID='Slide00'+currentSlide;
var-previousID='Slide00'+(当前幻灯片-1);
}
如果(当前幻灯片==7){
currentSlide=1
var currentID='Slide001'
var previousID='Slide006'
}
document.getElementById(previousID).style.display=“无”;
document.getElementById(currentID).style.display=“inline”;
document.getElementById('current')。value=currentID;
document.getElementById('TimeLineInfos')。value+=currentID+':'+t+'\n';
//sendTimeLine(当前ID,t);
//文件。表格1。提交();
}
函数myClick_previous(){
var t=TimeEst()
电流滑动-=1;
如果(当前幻灯片!=0){
var currentID='Slide00'+currentSlide;
var previousID='Slide00'+(currentSlide+1);
}
如果(当前幻灯片==1){
document.getElementById(“BACK”).disabled=true;
//当前幻灯片=6
//var currentID='Slide006'
//var previousID='Slide001'
}
document.getElementById(previousID).style.display=“无”;
document.getElementById(currentID).style.display=“inline”;
document.getElementById('current')。value=currentID;
document.getElementById('TimeLineInfos')。value+=currentID+':'+t+'\n';
//sendTimeLine(当前ID,t);
//文件。表格1。提交();
}
函数TimeEst(){
var d=新日期();
var t=d.getTime();//+“+d.getmillizes();
返回t;
}
<script>
var currentSlide = 1;
document.getElementById('Slide001').style.display = "inline" ;
document.getElementById('current').value = 'Slide00' + (currentSlide +0);
document.getElementById('TimeLineInfos').value = 'Slide00'+currentSlide + ' : ' + TimeEst() + '\n';
function myClick(){
var t = TimeEst()
currentSlide += 1 ;
if ( currentSlide != 7 ) {
var currentID = 'Slide00'+currentSlide ;
var previousID = 'Slide00'+(currentSlide - 1) ;
}
if ( currentSlide == 7 ) {
currentSlide = 1
var currentID = 'Slide001'
var previousID = 'Slide006'
}
document.getElementById(previousID).style.display = "none" ;
document.getElementById(currentID).style.display = "inline" ;
document.getElementById('current').value = currentID;
document.getElementById('TimeLineInfos').value += currentID + ' : ' + t + '\n';
//sendTimeLine(currentID,t);
//document.form1.submit();
}
function myClick_previous(){
var t = TimeEst()
currentSlide -= 1 ;
if ( currentSlide != 0 ) {
var currentID = 'Slide00'+currentSlide ;
var previousID = 'Slide00'+(currentSlide + 1) ;
}
if ( currentSlide == 0 ) {
currentSlide = 6
var currentID = 'Slide006'
var previousID = 'Slide001'
}
document.getElementById(previousID).style.display = "none" ;
document.getElementById(currentID).style.display = "inline" ;
document.getElementById('current').value = currentID;
document.getElementById('TimeLineInfos').value += currentID + ' : ' + t + '\n';
}
var myIndex = 0;
slide();
var timer;
function slide() {
var i;
var x = document.getElementsByClassName("Slides");
for (i = 0; i < x.length; i++) {
x[i].style.display = "none";
}
myIndex++;
if (myIndex > x.length) {myIndex = 1}
x[myIndex-1].style.display = "block";
timer=setTimeout(slide, 3000); // Change image every 3seconds
}
//from down here is my problematic code
var playing = true;
var pauseButton = document.getElementById('pause');
function pauseSlideshow(){
pauseButton.innerHTML = 'Play';
playing = false;
clearInterval(timer);
}
function playSlideshow(){
pauseButton.innerHTML = 'Pause';
playing = true;
slideInterval = setInterval(slide,3000);
}
pauseButton.onclick = function(){
if(playing){ pauseSlideshow(); }
else{ slide(); }
};
function TimeEst(){
var d = new Date();
var t = d.getTime() ;// + "." + d.getMilliseconds();
return t;
}
</script>
<script>
var currentSlide = 1;
var flag=1;
document.getElementById('Slide001').style.display = "inline" ;
document.getElementById('current').value = 'Slide00' + (currentSlide +0);
document.getElementById('TimeLineInfos').value = 'Slide00'+currentSlide + ' : ' + TimeEst() + '\n';
var timer = setInterval(function(){ myClick_next(); }, 3000);
var playing=true;
function toggle()
{
if(playing==true)
{
playing=false;
clearInterval(timer);
document.getElementById("STEP").value = "AUTO";
}
else
{
playing=true;
timer=setInterval(function(){ myClick_next(); }, 3000);
document.getElementById("STEP").value = "STEP";
}
}
document.getElementById("BACK").disabled = true;
function myClick_next(){
var t = TimeEst()
currentSlide += 1 ;
document.getElementById("BACK").disabled = false;
if ( currentSlide != 7 ) {
var currentID = 'Slide00'+currentSlide ;
var previousID = 'Slide00'+(currentSlide - 1) ;
}
if ( currentSlide == 7 ) {
currentSlide = 1
var currentID = 'Slide001'
var previousID = 'Slide006'
}
document.getElementById(previousID).style.display = "none" ;
document.getElementById(currentID).style.display = "inline" ;
document.getElementById('current').value = currentID;
document.getElementById('TimeLineInfos').value += currentID + ' : ' + t + '\n';
//sendTimeLine(currentID,t);
//document.form1.submit();
}
function myClick_previous(){
var t = TimeEst()
currentSlide -= 1 ;
if ( currentSlide != 0 ) {
var currentID = 'Slide00'+currentSlide ;
var previousID = 'Slide00'+(currentSlide + 1) ;
}
if ( currentSlide == 1 ) {
document.getElementById("BACK").disabled = true;
//currentSlide = 6
//var currentID = 'Slide006'
//var previousID = 'Slide001'
}
document.getElementById(previousID).style.display = "none" ;
document.getElementById(currentID).style.display = "inline" ;
document.getElementById('current').value = currentID;
document.getElementById('TimeLineInfos').value += currentID + ' : ' + t + '\n';
//sendTimeLine(currentID,t);
//document.form1.submit();
}
function TimeEst(){
var d = new Date();
var t = d.getTime() ;// + "." + d.getMilliseconds();
return t;
}
</script>