图片上下阁下全方位转动殊效,通过按钮可节制

发布时间：2018-08-20 13:39:02 所属栏目：编程来源：站长网

导读：图片上下阁下全方位转动殊效，通过按钮可节制，一眼看上去仿佛灌音机的界面，其拭魅这是一个通过JS节制偏向转动的图片，各人进修一下吧。留意：在转动的时辰，鼠标还可以拖动，可是你会发明，纵然你拖动了，它照旧照样会凭证原本的偏向转动。演示： HTML

　　图片上下阁下全方位转动殊效，通过按钮可节制，一眼看上去仿佛灌音机的界面，其拭魅这是一个通过JS节制偏向转动的图片，各人进修一下吧。

　　留意：在转动的时辰，鼠标还可以拖动，可是你会发明，纵然你拖动了，它照旧照样会凭证原本的偏向转动。

　　演示：

<HTML> <HEAD> <TITLE>转动结果</TITLE> </HEAD> <BODY STYLE="overflow: hidden; border: 0" topmargin=0 leftmargin=0> <table> <tr><td style="padding: 5"> <div id="testDiv" style="border: buttonface 2 solid"> <img src="http://www.veryhuo.com/favicon.ico"> </div> <script language="JScript"> function scroll(obj, oWidth, oHeight, direction, drag, zoom, speed) { var scrollDiv = obj var scrollContent = document.createElement("span") scrollContent.style.position = "absolute" scrollDiv.applyElement(scrollContent, "inside") var displayWidth = (oWidth != "auto" && oWidth ) ? oWidth : scrollContent.offsetWidth + parseInt(scrollDiv.currentStyle.borderRightWidth) var displayHeight = (oHeight != "auto" && oHeight) ? oHeight : scrollContent.offsetHeight + parseInt(scrollDiv.currentStyle.borderBottomWidth) var contentWidth = scrollContent.offsetWidth var contentHeight = scrollContent.offsetHeight var scrollXItems = Math.ceil(displayWidth / contentWidth) + 1 var scrollYItems = Math.ceil(displayHeight / contentHeight) + 1 scrollDiv.style.width = displayWidth scrollDiv.style.height = displayHeight scrollDiv.style.overflow = "hidden" scrollDiv.setAttribute("state", "stop") scrollDiv.setAttribute("drag", drag ? drag : "horizontal") scrollDiv.setAttribute("direction", direction ? direction : "left") scrollDiv.setAttribute("zoom", zoom ? zoom : 1) scrollContent.style.zoom = scrollDiv.zoom var scroll_script = "var scrollDiv = " + scrollDiv.uniqueID +"n"+ "var scrollObj = " + scrollContent.uniqueID +"n"+ "var contentWidth = " + contentWidth + " * (scrollObj.runtimeStyle.zoom ? scrollObj.runtimeStyle.zoom : 1)" +"n"+ "var contentHeight = " + contentHeight + " * (scrollObj.runtimeStyle.zoom ? scrollObj.runtimeStyle.zoom : 1)" +"n"+ "var scrollx = scrollObj.runtimeStyle.pixelLeft" +"n"+ "var scrolly = scrollObj.runtimeStyle.pixelTop" +"n"+ "switch (scrollDiv.state.toLowerCase())" +"n"+ "{" +"n"+ "case ('scroll') :" +"n"+ "switch (scrollDiv.direction)" +"n"+ "{" +"n"+ "case ('left') :" +"n"+ "scrollx = (--scrollx) % contentWidth" +"n"+ "break" +"n"+ "case ('right') :" +"n"+ "scrollx = -contentWidth + (++scrollx) % contentWidth" +"n"+ "break" +"n"+ "case ('up') :" +"n"+ "scrolly = (--scrolly) % contentHeight" +"n"+ "break" +"n"+ "case ('down') :" +"n"+ "scrolly = -contentHeight + (++scrolly) % contentHeight" +"n"+ "break" +"n"+ "case ('left_up') :" +"n"+ "scrollx = (--scrollx) % contentWidth" +"n"+ "scrolly = (--scrolly) % contentHeight" +"n"+ "break" +"n"+ "case ('left_down') :" +"n"+ "scrollx = (--scrollx) % contentWidth" +"n"+ "scrolly = -contentHeight + (++scrolly) % contentHeight" +"n"+ "break" +"n"+ "case ('right_up') :" +"n"+ "scrollx = -contentWidth + (++scrollx) % contentWidth" +"n"+ "scrolly = (--scrolly) % contentHeight" +"n"+ "break" +"n"+ "case ('right_down') :" +"n"+ "scrollx = -contentWidth + (++scrollx) % contentWidth" +"n"+ "scrolly = -contentHeight + (++scrolly) % contentHeight" +"n"+ "break" +"n"+ "default :" +"n"+ "return" +"n"+ "}" +"n"+ "scrollObj.runtimeStyle.left = scrollx" +"n"+ "scrollObj.runtimeStyle.top = scrolly" +"n"+ "break" +"n"+ "case ('stop') :" +"n"+ "case ('drag') :" +"n"+ "default :" +"n"+ "return" +"n"+ "}" var contentNode = document.createElement("span") contentNode.runtimeStyle.position = "absolute" contentNode.runtimeStyle.width = contentWidth scrollContent.applyElement(contentNode, "inside") for (var i=0; i <= scrollXItems; i++) { // 烈.火.網 liehuo.net 接待复制,拒绝恶意收罗ｌiｅｈｕｏ．ｎｅｔ for (var j=0; j <= scrollYItems ; j++) { if (i+j == 0) continue var tempNode = contentNode.cloneNode(true) var contentLeft, contentTop scrollContent.insertBefore(tempNode) contentLeft = contentWidth * i contentTop = contentHeight * j tempNode.runtimeStyle.left = contentLeft tempNode.runtimeStyle.top = contentTop } } scrollDiv.onpropertychange = function() { var propertyName = window.event.propertyName var propertyValue = eval("this." + propertyName) switch(propertyName) { case "zoom" : var scrollObj = this.children[0] scrollObj.runtimeStyle.zoom = propertyValue var content_width = scrollObj.children[0].offsetWidth * propertyValue var content_height = scrollObj.children[0].offsetHeight * propertyValue scrollObj.runtimeStyle.left = -content_width + (scrollObj.runtimeStyle.pixelLeft % content_width) scrollObj.runtimeStyle.top = -content_height + (scrollObj.runtimeStyle.pixelTop % content_height) break } } scrollDiv.onlosecapture = function() { this.state = this.tempState ? this.tempState : this.state this.runtimeStyle.cursor = "" this.removeAttribute("tempState") this.removeAttribute("start_x") this.removeAttribute("start_y") this.removeAttribute("default_left") this.removeAttribute("default_top") } scrollDiv.onmousedown = function() { if (this.state != "drag") this.setAttribute("tempState", this.state) this.state = "drag" this.runtimeStyle.cursor = "default" this.setAttribute("start_x", event.clientX) this.setAttribute("start_y", event.clientY) this.setAttribute("default_left", this.children[0].style.pixelLeft) this.setAttribute("default_top", this.children[0].style.pixelTop) this.setCapture() } scrollDiv.onmousemove = function() { if (this.state != "drag") return var scrollx = scrolly = 0 var zoomValue = this.children[0].style.zoom ? this.children[0].style.zoom : 1 var content_width = this.children[0].children[0].offsetWidth * zoomValue var content_Height = this.children[0].children[0].offsetHeight * zoomValue if (this.drag == "horizontal" || this.drag == "both") { scrollx = this.default_left + event.clientX - this.start_x scrollx = -content_width + scrollx % content_width this.children[0].runtimeStyle.left = scrollx } if (this.drag == "vertical" || this.drag == "both") { scrolly = this.default_top + event.clientY - this.start_y scrolly = -content_Height + scrolly % content_Height this.children[0].runtimeStyle.top = scrolly } } scrollDiv.onmouseup = function() { this.releaseCapture() } scrollDiv.state = "scroll" setInterval(scroll_script, speed ? speed : 20) } </script> <script language="JScript"> window.onload = new Function("scroll(document.all['testDiv'], 325)") </script> <br> <button onclick="testDiv.direction='up'; testDiv.state='scroll'"><span style="font-family: Webdings">5</span>向上</button> <button onclick="testDiv.direction='left'; testDiv.state='scroll'"><span style="font-family: Webdings">3</span>向左</button> <button onclick="testDiv.state='stop'"><span style="font-family: Webdings">;</span>遏制</button> <button onclick="testDiv.state='scroll'"><span style="font-family: Webdings">8</span>播放</button> <button onclick="testDiv.direction='right'; testDiv.state='scroll'"><span style="font-family: Webdings">4</span>向右</button> <button onclick="testDiv.direction='down'; testDiv.state='scroll'"><span style="font-family: Webdings">6</span>向下</button> <br> 缩放： <select onchange="testDiv.zoom = this.options[selectedIndex].value"> <option value=1>100%</option> <option value=2>200%</option> <option value=3>300%</option> </select>　　　　　托动范畴： <select onchange="testDiv.drag = this.options[selectedIndex].value"> <option value="both">随意</option> <option value="horizontal" selected>横向</option> <option value="vertical">纵向</option> </select> </td></tr> </table> </BODY> </HTML><br /><center>如不能表现结果，请按Ctrl+F5革新本页，更多网页代码：<a href='http://www.veryhuo.com/' target='_blank'>http://www.veryhuo.com/</a></center>
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