1 <!doctype html>
2 <html lang="en">
3 <head>
4 <meta charset="UTF-8">
5 <title>Document</title>
6 <style type="text/css">
7 body,div,ul,li {
8 margin: 0;
9 padding: 0;
10 }
11 ul,li {
12 list-style: none;
13 }
14 a img {
15 border: none;
16 }
17 .wrap {
18 width: 100%;
19 overflow: hidden;
20 position: relative;
21 }
22 .wrap .prev,
23 .wrap .next {
24 height: 320px;
25 position: absolute;
26 left: -50%;
27 top: 0;
28 background-color: #999;
29 opacity: 0.7;
30 width: 100%;
31 }
32 .wrap .next {
33 left: auto;
34 right: -50%;
35 }
36 .wrap .prev:hover,
37 .wrap .next:hover {
38 opacity: 0.5;
39 }
40 .container {
41 width: 100%;
42 height: 320px;
43 }
44 .container ul {
45 height: 100%;
46 }
47 .container li {
48 width: 1000px;
49 height: 100%;
50 float: left;
51 }
52 .container li a,
53 .container li img {
54 display: block;
55 width: 100%;
56 height: 100%;
57 }
58 .page {
59 position: absolute;
60 left: 50%;
61 bottom: 10px;
62 display:none;
63 }
64 .page span {
65 float: left;
66 margin-right: 10px;
67 width: 20px;
68 height: 20px;
69 display: block;
70 cursor: pointer;
71 background: #999;
72 border-radius: 50%;
73 text-align: center;
74 color: #fff;
75 }
76 .page .select {
77 background: #f00;
78 }
79 </style>
80 </head>
81 <body>
82 <div class="wrap">
83 <div class="container" id="container">
84 <ul>
85 <li><a href="1"><img src="http://www.hengqijy.com/uploadfile/2013/1031/20131031084228263.jpg"></a> </li>
86 <li><a href="2"><img src="http://www.hengqijy.com/uploadfile/2014/0315/20140315023711196.jpg"></a></li>
87 <li><a href="3"><img src="http://www.hengqijy.com/uploadfile/2014/0228/20140228091207797.jpg"></a></li>
88 <li><a href="4"><img src="http://www.hengqijy.com/statics/images/new_img/ksss.jpg"></a></li>
89 </ul>
90 </div>
91 <div class="prev" id="prev"></div>
92 <div class="next" id="next"></div>
93 <div id="page" class="page"></div>
94 </div>
95 <script type="text/javascript">
96 /*
97 * Slider constructor
98 * @param {Node} ele 容器节点
99 * @param {Int} index 默认显示第几张
100 */
101 var Slider = function(ele, autoInterval){
102 autoInterval = parseInt(autoInterval, 10);
103 this.autoInterval = !isNaN(autoInterval) && Math.abs(autoInterval) || 3000;
104 this.ele = ele;
105 this.oList = ele.children[0];
106 this.items = this.oList.getElementsByTagName("li");
107 this.itemWidth = parseInt(this.items[0].offsetWidth, 10);
108 this.page = document.getElementById("page");
109 this.prevBtn = document.getElementById("prev");
110 this.nextBtn = document.getElementById("next");
111 this.init();
112 }
113 Slider.prototype = {
114 constructor: Slider,
115 init: function(){
116 this.oList.style.position = 'absolute';
117 this.oList.style.top = 0;
118 this.oList.style.left = 0;
119
120 this.going = 0;
121 this.current = 1;
122 this.speed = 100;
123 this.timer = null;
124 this.inter = null;
125 this.lock = false;
126 this.wrapWidth = parseInt(this.ele.offsetWidth, 10);
127 this.pageCircles = null;
128
129 this.prevBtn.style.marginLeft = -this.itemWidth/2 + 'px';
130 this.nextBtn.style.marginRight = -this.itemWidth/2 + 'px';
131
132 if(this.items.length > 2) {
133 this.setUp();
134 } else {
135 this.oList.style.left = (this.wrapWidth - this.itemWidth * this.items.length)/2 + 'px';
136 this.prevBtn.style.display = "none";
137 this.nextBtn.style.display = "none";
138 }
139
140 this.oList.style.width = this.itemWidth * this.items.length + 'px';
141
142 },
143 setUp:function(){
144 var first1 = this.items[0].cloneNode();
145 first1.innerHTML = this.items[0].innerHTML;
146
147 var first2 = this.items[1].cloneNode();
148 first2.innerHTML = this.items[1].innerHTML;
149
150 var last1 = this.items[this.items.length-1].cloneNode();
151 last1.innerHTML = this.items[this.items.length-1].innerHTML;
152
153 var last2 = this.items[this.items.length-2].cloneNode();
154 last2.innerHTML = this.items[this.items.length-2].innerHTML;
155
156 this.oList.appendChild(first1);
157 this.oList.appendChild(first2);
158 this.oList.insertBefore(last1, this.items[0]);
159 this.oList.insertBefore(last2, this.items[0]);
160
161 this.buildPage();
162 this.bindEvent();
163 this.slientGoTo();
164 this.doAnimate();
165 this.autoSlider();
166 },
167 autoSlider:function(){
168 var that = this;
169 if(this.autoInterval > 0) {
170 this.inter = setInterval(function(){
171 that.next();
172 }, this.autoInterval);
173 }
174 },
175 stopAutoSlider:function(){
176 clearInterval(this.inter);
177 },
178 buildPage:function(){
179 for(var i = 0,len = this.items.length - 4; i<len; i++) {
180 var circle = document.createElement('span');
181 circle.innerHTML = i + 1;
182 this.page.appendChild(circle);
183 }
184 this.pageCircles = this.page.getElementsByTagName('span');
185 this.addEvent(this.page, 'click', 'gotoIndex');
186 this.page.style.display = 'block';
187 },
188 bindEvent:function(){
189 this.addEvent(this.prevBtn, 'click', 'prev');
190 this.addEvent(this.nextBtn, 'click', 'next');
191 this.addEvent(this.ele, 'mouseover' , 'stopAutoSlider');
192 this.addEvent(this.ele, 'mouseout' , 'autoSlider');
193 },
194 addEvent:function(ele, type, fn, context) {
195 context = context || this;
196 var innerFun = function(event) {
197 var evt = event || window.event;
198 if(typeof fn === 'string'){
199 context[fn].call(context, this, evt);
200 } else {
201 fn.call(context, this, evt);
202 }
203 }
204 if(window.addEventListener) {
205 ele.addEventListener(type, innerFun, false);
206 } else {
207 ele.attachEvent('on'+type, innerFun);
208 }
209 },
210 index:function(ele){
211 var parentNode = ele.parentNode;
212 var eles = parentNode.getElementsByTagName(ele.tagName);
213
214 for(var i = 0, len = eles.length; i<len; i++){
215 if(eles[i] == ele) {
216 return i;
217 }
218 }
219 },
220 hasClass: function(obj, cls) {
221 return !!obj.className && obj.className.match(new RegExp('(\\s|^)' + cls + '(\\s|$)'));
222 },
223 addClass: function(obj, cls) {
224 if (!this.hasClass(obj, cls)) obj.className += " " + cls;
225 },
226 removeClass:function (obj, cls) {
227 if (this.hasClass(obj, cls)) {
228 var reg = new RegExp('(\\s|^)' + cls + '(\\s|$)');
229 obj.className = obj.className.replace(reg, ' ');
230 }
231 },
232 gotoIndex:function(eleContext, evt){
233 var ele = evt.target || evt.srcElement;
234 var index = this.index(ele);
235 if(this.lock){return false;}
236 if(this.current === this.items.length-4 && index === 0) {
237 this.current = 0;
238 this.slientGoTo();
239 } else if(this.current === 1 && index ===this.items.length-5) {
240 this.current = this.items.length-3;
241 this.slientGoTo();
242 }
243 this.current = index + 1;
244 this.doAnimate();
245 },
246 prev:function(eleContext, evt){
247 if(this.lock){return false;}
248 this.current--;
249 this.doAnimate();
250 },
251 next:function(eleContext, evt){
252 if(this.lock){return false;}
253 this.current++;
254 this.doAnimate();
255 },
256 doAnimate:function(){
257 this.distance = (this.wrapWidth-this.itemWidth*(2*this.current + 3))/2 - parseInt(this.oList.style.left, 10);
258 if(this.distance < 0){
259 this.speed = -Math.abs(this.speed);
260 } else {
261 this.speed = Math.abs(this.speed);
262 }
263 this.distance = Math.abs(this.distance);
264 this.lock = true;
265 this.animate();
266 },
267 animate:function(){
268 var that = this;
269 this.timer = setTimeout(function() {
270 var left = parseInt(that.oList.style.left, 10) || 0;
271
272 if (that.going+Math.abs(that.speed) >= that.distance) {
273 if (that.speed > 0) {
274 that.oList.style.left = left + that.distance - that.going + 'px';
275 } else {
276 that.oList.style.left = left - that.distance + that.going + 'px';
277 }
278 clearTimeout(that.timer);
279 that.going = 0;
280 that.onceEnd();
281 } else {
282 that.going += Math.abs(that.speed);
283 that.oList.style.left = left + that.speed + 'px';
284 that.animate();
285 }
286 }, 25);
287
288 },
289 slientGoTo:function(){
290 this.oList.style.left = (this.wrapWidth-this.itemWidth*(2*this.current + 3))/2 + 'px';
291 },
292 setCircleSelect:function(){
293 for(var i=0,len = this.pageCircles.length; i<len; i++) {
294 var ele= this.pageCircles[i];
295 if(this.hasClass(ele, 'select')) {
296 this.removeClass(ele, 'select');
297 }
298 }
299 this.addClass(this.pageCircles[this.current-1], 'select');
300 },
301 correctCurrent:function(){
302 if(this.current === 0) {
303 this.current = this.items.length - 4;
304 } else if(this.current === this.items.length - 3) {
305 this.current = 1;
306 } else {
307 return false;
308 }
309 this.slientGoTo();
310 },
311 onceEnd:function(){
312 this.lock = false;
313 this.correctCurrent();
314 this.setCircleSelect();
315 }
316 }
317 var con = document.getElementById("container");
318 var s = new Slider(con, 4000);
319 </script>
320 </body>
321 </html>
1 /*
2 *2
3 */
4 <!doctype html>
5 <html lang="en">
6 <head>
7 <meta charset="UTF-8">
8 <title>Document</title>
9 <style type="text/css">
10 body,div,ul,li {
11 margin: 0;
12 padding: 0;
13 }
14 ul,li {
15 list-style: none;
16 }
17 a img {
18 border: none;
19 }
20 .wrap {
21 width: 100%;
22 overflow: hidden;
23 position: relative;
24 }
25 .wrap .prev,
26 .wrap .next {
27 height: 320px;
28 position: absolute;
29 left: -50%;
30 top: 0;
31 background-color: #999;
32 opacity: 0.7;
33 width: 100%;
34 }
35 .wrap .next {
36 left: auto;
37 right: -50%;
38 }
39 .wrap .prev:hover,
40 .wrap .next:hover {
41 opacity: 0.5;
42 }
43 .container {
44 width: 100%;
45 height: 320px;
46 }
47 .container ul {
48 height: 100%;
49 }
50 .container li {
51 width: 1000px;
52 height: 100%;
53 float: left;
54 }
55 .container li a,
56 .container li img {
57 display: block;
58 width: 100%;
59 height: 100%;
60 }
61 .page {
62 position: absolute;
63 left: 50%;
64 bottom: 10px;
65 display:none;
66 }
67 .page span {
68 float: left;
69 margin-right: 10px;
70 width: 20px;
71 height: 20px;
72 display: block;
73 cursor: pointer;
74 background: #999;
75 border-radius: 50%;
76 text-align: center;
77 color: #fff;
78 }
79 .page .select {
80 background: #f00;
81 }
82 </style>
83 </head>
84 <body>
85 <div class="wrap">
86 <div class="container" id="container">
87 <ul>
88 <li><a href="1"><img src="http://www.hengqijy.com/uploadfile/2013/1031/20131031084228263.jpg"></a> </li>
89 <li><a href="2"><img src="http://www.hengqijy.com/uploadfile/2014/0315/20140315023711196.jpg"></a></li>
90 <li><a href="3"><img src="http://www.hengqijy.com/uploadfile/2014/0228/20140228091207797.jpg"></a></li>
91 <li><a href="4"><img src="http://www.hengqijy.com/statics/images/new_img/ksss.jpg"></a></li>
92 </ul>
93 </div>
94 <div class="prev" id="prev"></div>
95 <div class="next" id="next"></div>
96 <div id="page" class="page"></div>
97 </div>
98 <script type="text/javascript">
99 /*
100 * Slider constructor
101 * @param {Node} ele 容器节点
102 * @param {Int} index 默认显示第几张
103 */
104 var Slider = function(ele, autoInterval){
105 autoInterval = parseInt(autoInterval, 10);
106 this.autoInterval = !isNaN(autoInterval) && Math.abs(autoInterval) || 3000;
107 this.ele = ele;
108 this.oList = ele.children[0];
109 this.items = this.oList.getElementsByTagName("li");
110 this.itemWidth = parseInt(this.items[0].offsetWidth, 10);
111 this.page = document.getElementById("page");
112 this.prevBtn = document.getElementById("prev");
113 this.nextBtn = document.getElementById("next");
114 this.init();
115 }
116 Slider.prototype = {
117 constructor: Slider,
118 init: function(){
119 this.oList.style.position = 'absolute';
120 this.oList.style.top = 0;
121 this.oList.style.left = 0;
122
123 this.going = 0;
124 this.current = 1;
125 this.speed = 100;
126 this.timer = null;
127 this.inter = null;
128 this.lock = false;
129 this.wrapWidth = parseInt(this.ele.offsetWidth, 10);
130 this.pageCircles = null;
131
132 this.prevBtn.style.marginLeft = -this.itemWidth/2 + 'px';
133 this.nextBtn.style.marginRight = -this.itemWidth/2 + 'px';
134
135 if(this.items.length > 2) {
136 this.setUp();
137 } else {
138 this.oList.style.left = (this.wrapWidth - this.itemWidth * this.items.length)/2 + 'px';
139 this.prevBtn.style.display = "none";
140 this.nextBtn.style.display = "none";
141 }
142
143 this.oList.style.width = this.itemWidth * this.items.length + 'px';
144
145 },
146 setUp:function(){
147 var first1 = this.items[0].cloneNode();
148 first1.innerHTML = this.items[0].innerHTML;
149
150 var first2 = this.items[1].cloneNode();
151 first2.innerHTML = this.items[1].innerHTML;
152
153 var last1 = this.items[this.items.length-1].cloneNode();
154 last1.innerHTML = this.items[this.items.length-1].innerHTML;
155
156 var last2 = this.items[this.items.length-2].cloneNode();
157 last2.innerHTML = this.items[this.items.length-2].innerHTML;
158
159 this.oList.appendChild(first1);
160 this.oList.appendChild(first2);
161 this.oList.insertBefore(last1, this.items[0]);
162 this.oList.insertBefore(last2, this.items[0]);
163
164 this.buildPage();
165 this.bindEvent();
166 this.slientGoTo();
167 this.doAnimate();
168 this.autoSlider();
169 },
170 autoSlider:function(){
171 var that = this;
172 if(this.autoInterval > 0) {
173 this.inter = setInterval(function(){
174 that.next();
175 }, this.autoInterval);
176 }
177 },
178 stopAutoSlider:function(){
179 clearInterval(this.inter);
180 },
181 buildPage:function(){
182 for(var i = 0,len = this.items.length - 4; i<len; i++) {
183 var circle = document.createElement('span');
184 circle.innerHTML = i + 1;
185 this.page.appendChild(circle);
186 }
187 this.pageCircles = this.page.getElementsByTagName('span');
188 this.addEvent(this.page, 'click', 'gotoIndex');
189 this.page.style.display = 'block';
190 },
191 bindEvent:function(){
192 this.addEvent(this.prevBtn, 'click', 'prev');
193 this.addEvent(this.nextBtn, 'click', 'next');
194 this.addEvent(this.ele, 'mouseover' , 'stopAutoSlider');
195 this.addEvent(this.ele, 'mouseout' , 'autoSlider');
196 },
197 addEvent:function(ele, type, fn, context) {
198 context = context || this;
199 var innerFun = function(event) {
200 var evt = event || window.event;
201 if(typeof fn === 'string'){
202 context[fn].call(context, this, evt);
203 } else {
204 fn.call(context, this, evt);
205 }
206 }
207 if(window.addEventListener) {
208 ele.addEventListener(type, innerFun, false);
209 } else {
210 ele.attachEvent('on'+type, innerFun);
211 }
212 },
213 index:function(ele){
214 var parentNode = ele.parentNode;
215 var eles = parentNode.getElementsByTagName(ele.tagName);
216
217 for(var i = 0, len = eles.length; i<len; i++){
218 if(eles[i] == ele) {
219 return i;
220 }
221 }
222 },
223 hasClass: function(obj, cls) {
224 return !!obj.className && obj.className.match(new RegExp('(\\s|^)' + cls + '(\\s|$)'));
225 },
226 addClass: function(obj, cls) {
227 if (!this.hasClass(obj, cls)) obj.className += " " + cls;
228 },
229 removeClass:function (obj, cls) {
230 if (this.hasClass(obj, cls)) {
231 var reg = new RegExp('(\\s|^)' + cls + '(\\s|$)');
232 obj.className = obj.className.replace(reg, ' ');
233 }
234 },
235 gotoIndex:function(eleContext, evt){
236 var ele = evt.target || evt.srcElement;
237 var index = this.index(ele);
238 if(this.current === this.items.length-4 && index === 0) {
239 if(this.setCurrent(0)){
240 this.slientGoTo();
241 }
242 } else if(this.current === 1 && index ===this.items.length-5) {
243 if(this.setCurrent(this.items.length-3)){
244 this.slientGoTo();
245 }
246 }
247 if(this.setCurrent(index + 1)){
248 this.doAnimate();
249 }
250 },
251 prev:function(eleContext, evt){
252 if(this.setCurrent(this.current-1)){
253 this.doAnimate();
254 }
255 },
256 next:function(eleContext, evt){
257 if(this.setCurrent(this.current+1)){
258 this.doAnimate();
259 }
260 },
261 doAnimate:function(){
262 this.distance = (this.wrapWidth-this.itemWidth*(2*this.current + 3))/2 - parseInt(this.oList.style.left, 10);
263 if(this.distance < 0){
264 this.speed = -Math.abs(this.speed);
265 } else {
266 this.speed = Math.abs(this.speed);
267 }
268 this.distance = Math.abs(this.distance);
269 this.lock = true;
270 this.animate();
271 },
272 setCurrent:function(index){
273 if(this.lock){return false;}
274 this.current = index;
275 return true;
276 },
277 animate:function(){
278 var that = this;
279 this.timer = setTimeout(function() {
280 var left = parseInt(that.oList.style.left, 10) || 0;
281
282 if (that.going+Math.abs(that.speed) >= that.distance) {
283 if (that.speed > 0) {
284 that.oList.style.left = left + that.distance - that.going + 'px';
285 } else {
286 that.oList.style.left = left - that.distance + that.going + 'px';
287 }
288 clearTimeout(that.timer);
289 that.going = 0;
290 that.onceEnd();
291 } else {
292 that.going += Math.abs(that.speed);
293 that.oList.style.left = left + that.speed + 'px';
294 that.animate();
295 }
296 }, 25);
297
298 },
299 slientGoTo:function(){
300 this.oList.style.left = (this.wrapWidth-this.itemWidth*(2*this.current + 3))/2 + 'px';
301 },
302 setCircleSelect:function(){
303 for(var i=0,len = this.pageCircles.length; i<len; i++) {
304 var ele= this.pageCircles[i];
305 if(this.hasClass(ele, 'select')) {
306 this.removeClass(ele, 'select');
307 }
308 }
309 this.addClass(this.pageCircles[this.current-1], 'select');
310 },
311 correctCurrent:function(){
312 if(this.current === 0) {
313 this.current = this.items.length - 4;
314 } else if(this.current === this.items.length - 3) {
315 this.current = 1;
316 } else {
317 return false;
318 }
319 this.slientGoTo();
320 },
321 onceEnd:function(){
322 this.correctCurrent();
323 this.setCircleSelect();
324 this.lock = false;
325 }
326 }
327 var con = document.getElementById("container");
328 var s = new Slider(con);
329 </script>
330 </body>
331 </html>
