仿苹果手机通讯录按字母定位
2016-06-21 14:33
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当初写这个的时候,是因为开发移动端项目的时候使用的,虽然PC端也能用,不过效果就没那么好了。大家如果需要的,可以自己修改一下代码使用。。
下面就直接上代码了。。。
下面就直接上代码了。。。
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no" /> <meta name="format-detection" content="telephone=no" /> <meta name="renderer" content="webkit"> <meta name="keywords" content=""> <meta name="description" content=""> <title>仿苹果手机通讯录按字母定位</title> <style type="text/css"> *{ margin:0; padding:0; } ul,ol{ list-style-type:none; } a{ text-decoration:none; } .p_lr_15{ padding:0 15px; } .point_nav{ width:25px; height:100%; background:#ccc; font-size:12px; position:fixed; right:0; top:0; } .point_nav ul{ width:25px; position:absolute; top:50%; left:50%; transform: translate(-50%, -50%); -webkit-transform: translate(-50%, -50%); } .point_nav li{ text-align:center; } .point_nav li a{ display:block; } .tracing_point { background: #f7f7f7; height: 20px; line-height: 20px; } .tracing_point ul li a{ color:#646464; } .city_num { width: 100%; margin: 0; padding: 0; } .city_num li { height: 44px; line-height: 44px; border-bottom: 1px solid #ccc; } .city_num li a { color: #000000; display: block; } .city_num li:last-child { border-bottom: none; } .p_c{ position:fixed; left:50%; top:50%; transform: translate(-50%, -50%); -webkit-transform: translate(-50%, -50%); } </style> <script type="text/javascript"> var anchorPoint = { touchstart : "touchstart", touchmove : "touchmove", touchend : "touchend", touchEvents: function () { var ua = window.navigator.userAgent; if(!/ipad|iphone|android/.test(ua.toLowerCase())){ this.touchstart = "mousedown"; this.touchmove = "mousemove"; this.touchend = "mouseup"; return true; } }, compatible:function(target,evt,obj){ if(document.all){ target.attachEvent('on'+evt,obj); }else{ target.addEventListener(evt,obj,false); } }, compatible_ie:function(){ if(document.all){ window.event.returnValue = false; }else{ event.preventDefault(); event.stopPropagation(); } }, scrollTop_ie:function(val){ if(document.all){ document.documentElement.scrollTop = val; }else{ document.body.scrollTop = val; } }, start:function(event){ var touch_x = null; var touch_y = null; if(anchorPoint.touchEvents() == true){ touch_x = event.clientX; touch_y = event.clientY; }else{ touch_x = event.touches[0].pageX; touch_y = event.touches[0].pageY; } anchorPoint.changeLocal(touch_x,touch_y); anchorPoint.compatible_ie(); }, move:function(event){ var touch_x = null; var touch_y = null; if(anchorPoint.touchEvents() == true){ touch_x = event.clientX; touch_y = event.clientY; }else{ touch_x = event.touches[0].pageX; touch_y = event.touches[0].pageY; } anchorPoint.changeLocal(touch_x,touch_y); anchorPoint.compatible_ie(); }, end:function(event){ //e.stopPropagation(); anchorPoint.compatible_ie(); }, changeLocal:function(touch_x,touch_y){ var point_nav_text = null; var y = null; if(this.touchEvents() != true){ y = touch_y - document.body.scrollTop; }else{ y = touch_y; } try{ var point = document.elementFromPoint(touch_x,y); if(point&&point.tagName){ var point_tagName = point.tagName.toLowerCase(); if(point_tagName == "a"){ point_nav_text = point.innerHTML; } var point_nav_text_top = document.getElementById(point_nav_text); if(point_nav_text == "#"){ this.scrollTop_ie(0); return; } if(point_nav_text_top != null){ var top = point_nav_text_top.offsetTop; this.scrollTop_ie(top); } } }catch(e){ var inner_text = document.getElementById("text"); inner_text.innerHTML = e; } }, init:function(target_id,child_ele){ var self = this; self.touchEvents(); var point_nav = document.getElementById(target_id); var point_nav_li = point_nav.getElementsByTagName(child_ele); self.compatible(point_nav,self.touchstart,self.start); self.compatible(point_nav,self.touchmove,self.move); self.compatible(point_nav,self.touchend,self.end); } }; window.onload=function(){ anchorPoint.init("point_nav","li"); } </script> </head> <body> <div class="p_c" id="text"></div> <div class="tracing_point"> <div class="p_lr_15"> <a href="javascript:void(0);" id="B">B</a> </div> </div> <div class="city_num"> <ul class="p_lr_15"> <li><a href="javascript:void(0)">北京市</a></li> <li><a href="javascript:void(0)">北京市</a></li> <li><a href="javascript:void(0)">北京市</a></li> <li><a href="javascript:void(0)">北京市</a></li> <li><a href="javascript:void(0)">北京市</a></li> <li><a href="javascript:void(0)">北京市</a></li> <li><a href="javascript:void(0)">北京市</a></li> <li><a href="javascript:void(0)">北京市</a></li> <li><a href="javascript:void(0)">北京市</a></li> <li><a href="javascript:void(0)">北京市</a></li> <li><a href="javascript:void(0)">北京市</a></li> <li><a href="javascript:void(0)">北京市</a></li> </ul> </div> <div class="tracing_point"> <div class="p_lr_15"> <a href="javascript:void(0);" id="C">C</a> </div> </div> <div class="city_num"> <ul class="p_lr_15"> <li><a href="javascript:void(0)">长春</a></li> <li><a href="javascript:void(0)">长春</a></li> <li><a href="javascript:void(0)">长春</a></li> <li><a href="javascript:void(0)">长春</a></li> <li><a href="javascript:void(0)">长春</a></li> <li><a href="javascript:void(0)">长春</a></li> <li><a href="javascript:void(0)">长春</a></li> <li><a href="javascript:void(0)">长春</a></li> <li><a href="javascript:void(0)">长春</a></li> <li><a href="javascript:void(0)">长春</a></li> <li><a href="javascript:void(0)">长春</a></li> <li><a href="javascript:void(0)">长春</a></li> </ul> </div> <div class="tracing_point"> <div class="p_lr_15"> <a href="javascript:void(0);" id="D">D</a> </div> </div> <div class="city_num"> <ul class="p_lr_15"> <li><a href="javascript:void(0)">大理</a></li> <li><a href="javascript:void(0)">大理</a></li> <li><a href="javascript:void(0)">大理</a></li> <li><a href="javascript:void(0)">大理</a></li> <li><a href="javascript:void(0)">大理</a></li> <li><a href="javascript:void(0)">大理</a></li> <li><a href="javascript:void(0)">大理</a></li> <li><a href="javascript:void(0)">大理</a></li> <li><a href="javascript:void(0)">大理</a></li> <li><a href="javascript:void(0)">大理</a></li> <li><a href="javascript:void(0)">大理</a></li> <li><a href="javascript:void(0)">大理</a></li> </ul> </div> <div class="tracing_point"> <div class="p_lr_15"> <a href="javascript:void(0);" id="H">H</a> </div> </div> <div class="city_num"> <ul class="p_lr_15"> <li><a href="javascript:void(0)">海珠区</a></li> <li><a href="javascript:void(0)">海珠区</a></li> <li><a href="javascript:void(0)">海珠区</a></li> <li><a href="javascript:void(0)">海珠区</a></li> <li><a href="javascript:void(0)">海珠区</a></li> <li><a href="javascript:void(0)">海珠区</a></li> <li><a href="javascript:void(0)">海珠区</a></li> <li><a href="javascript:void(0)">海珠区</a></li> <li><a href="javascript:void(0)">海珠区</a></li> <li><a href="javascript:void(0)">海珠区</a></li> <li><a href="javascript:void(0)">海珠区</a></li> <li><a href="javascript:void(0)">海珠区</a></li> <li><a href="javascript:void(0)">海珠区</a></li> <li><a href="javascript:void(0)">海珠区</a></li> </ul> </div> <div class="point_nav" id="point_nav"> <ul> <li><a href="javascript:void(0);" id="aa">#</a></li> <li><a href="javascript:void(0);">A</a></li> <li><a href="javascript:void(0);">B</a></li> <li><a href="javascript:void(0);">C</a></li> <li><a href="javascript:void(0);">D</a></li> <li><a href="javascript:void(0);">E</a></li> <li><a href="javascript:void(0);">F</a></li> <li><a href="javascript:void(0);">G</a></li> <li><a href="javascript:void(0);">H</a></li> <li><a href="javascript:void(0);">I</a></li> <li><a href="javascript:void(0);">J</a></li> <li><a href="javascript:void(0);">K</a></li> <li><a href="javascript:void(0);">L</a></li> <li><a href="javascript:void(0);">M</a></li> <li><a href="javascript:void(0);">N</a></li> <li><a href="javascript:void(0);">O</a></li> <li><a href="javascript:void(0);">P</a></li> <li><a href="javascript:void(0);">Q</a></li> <li><a href="javascript:void(0);">R</a></li> <li><a href="javascript:void(0);">S</a></li> <li><a href="javascript:void(0);">T</a></li> <li><a href="javascript:void(0);">U</a></li> <li><a href="javascript:void(0);">V</a></li> <li><a href="javascript:void(0);">W</a></li> <li><a href="javascript:void(0);">X</a></li> <li><a href="javascript:void(0);">Y</a></li> <li><a href="javascript:void(0);">Z</a></li> </ul> </div> </body> </html>
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