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| Line 113: |
Line 113: |
| | <span index="5"></span> | | <span index="5"></span> |
| | </div> | | </div> |
| − | <a href="javascript:" id="prev" class="arrow"><</a> | + | <a href="javascript:;" id="prev" class="arrow"><</a> |
| − | <a href="javascript:" id="next" class="arrow">></a> | + | <a href="javascript:;" id="next" class="arrow">></a> |
| | </div> | | </div> |
| − | <script>
| + | <script type="text/javascript" src="https://2018.igem.org/Template:BIT/9.9test/Javascript?action=raw&ctype=text/javascript"></script> |
| − | window.onload=function() {
| + | |
| − | // body...
| + | |
| − | var prev=document.getElementById("prev");
| + | |
| − | var next=document.getElementById("next");
| + | |
| − | var list=document.getElementById("list");
| + | |
| − | var buttons=document.getElementById("buttons").getElementsByTagName("span");
| + | |
| − | var container=document.getElementById("container");
| + | |
| − | var index=1;
| + | |
| − | var timer;
| + | |
| − | var animated=false;
| + | |
| − | function shownButton(){
| + | |
| − | for (var i = 0; i < buttons.length ; i++) {
| + | |
| − | if( buttons[i].className == 'on'){
| + | |
| − | buttons[i].className = '';
| + | |
| − | /* prev和next每click一次，
| + | |
| − | 就会清除一次前一个class为on的span元素，
| + | |
| − | 所以没有必要再去循环下面的span*/
| + | |
| − | break;
| + | |
| − | }
| + | |
| − | // 或者直接遍历清除 buttons[i].className=""；
| + | |
| − | }
| + | |
| − | buttons[index -1].className="on";
| + | |
| − | }
| + | |
| − | function animate(offset){
| + | |
| − | var time = 300;
| + | |
| − | var inteval = 10;
| + | |
| − | var speed = offset/(time/inteval);
| + | |
| − | animated=true;
| + | |
| − | var newLeft=parseInt(list.style.left) +offset;
| + | |
| − | function go(){
| + | |
| − | if ( (speed > 0 && parseInt(list.style.left) < newLeft) || (speed < 0 && parseInt(list.style.left) > newLeft)) {
| + | |
| − | list.style.left = parseInt(list.style.left) + speed + 'px';
| + | |
| − | setTimeout(go, inteval);
| + | |
| − | }
| + | |
| − | else
| + | |
| − | {
| + | |
| − |
| + | |
| − | animated=false;
| + | |
| − | // list.style.left=newLeft+"px";
| + | |
| − | if (newLeft >-600) {
| + | |
| − | list.style.left=-3000+"px";
| + | |
| − | };
| + | |
| − | if (newLeft <-3000) {
| + | |
| − | list.style.left=-600+"px";
| + | |
| − | };
| + | |
| − | }
| + | |
| − | }
| + | |
| − | go();
| + | |
| − | };
| + | |
| − |
| + | |
| − | prev.onclick=function(){
| + | |
| − | /*添加一个if判断index为1时，如果继续往前滚的话就让index返回第五个span
| + | |
| − | 但是当快速点击arrow时会出现一种span点亮延迟的情况。可以尝试把判断index是否大于1或小于5的情况放进
| + | |
| − | 判断是否animated的if语句中，先判断能不能点击，再点亮。
| + | |
| − | */
| + | |
| − | if (!animated) {
| + | |
| − | if (index==1) {
| + | |
| − | index=5;
| + | |
| − | }else {
| + | |
| − | index -=1;
| + | |
| − | }
| + | |
| − |
| + | |
| − | shownButton();
| + | |
| − | animate(600);
| + | |
| − | }
| + | |
| − |
| + | |
| − |
| + | |
| − | };
| + | |
| − | next.onclick=function(){
| + | |
| − |
| + | |
| − |
| + | |
| − |
| + | |
| − | if (!animated) {
| + | |
| − | if (index==5) {
| + | |
| − | index=1;
| + | |
| − | }else {
| + | |
| − | index +=1;
| + | |
| − | }
| + | |
| − | shownButton();
| + | |
| − | animate(-600);
| + | |
| − | }
| + | |
| − | };
| + | |
| − | for (var i = 0; i < buttons.length; i++) {
| + | |
| − | buttons[i].onclick=function(){
| + | |
| − | //无关紧要
| + | |
| − | if (this.className=="on") {
| + | |
| − | return;
| + | |
| − | }
| + | |
| − | var myIndex=parseInt(this.getAttribute("index"));
| + | |
| − | var offset=-600*(myIndex-index);
| + | |
| − | if (!animated) {
| + | |
| − | animate(offset);
| + | |
| − | }
| + | |
| − | index=myIndex;
| + | |
| − | shownButton();
| + | |
| − |
| + | |
| − | }
| + | |
| − | }
| + | |
| − |
| + | |
| − | function play(){
| + | |
| − | timer=setInterval(function(){
| + | |
| − | next.onclick();
| + | |
| − | },2000);
| + | |
| − | }
| + | |
| − | function stop(){
| + | |
| − | clearInterval(timer);
| + | |
| − | }
| + | |
| − | play();
| + | |
| − | container.onmouseover=stop;
| + | |
| − | container.onmouseout=play;
| + | |
| − | }
| + | |
| − | </script>
| + | |
| | </body> | | </body> |
| | </html> | | </html> |
