jsで実装したマウスホイールのスクロール切り替えページ効果（360デフォルトのページスクロール切り替え効果と同様）

jsで実装したマウスホイールのスクロール切り替えページ効果（360デフォルトのページスクロール切り替え効果と同様）_javascriptスキル

WBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWB

リリース： 2016-05-16 15:17:39

オリジナル

2068 人が閲覧しました

この記事の例では、jsを使用してマウスのホイールスクロールでページを切り替える方法を説明しています。参考のために皆さんと共有してください。詳細は次のとおりです:

実行中のエフェクトのスクリーンショットは次のとおりです:

具体的なコードは次のとおりです:

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

200

201

202

203

204

205

206

<!DOCTYPE html>
<html>
 <head>
  <title>wheel</title>
  <meta http-equiv="Content-Type" content="text/html;charset=UTF-8" />
  <script type="text/javascript" >
   var currentShowPageIndex = 0;
   var animateTimeout = null;
   var isWheelAnimating = false;
   var isWheelUp = function(event) {
    event = event || window.event;
    var up = true;
    if(event.wheelDelta){//IE/Opera/Chrome
     up = event.wheelDelta / 120 == 1 &#63; true : false;
    }else{//Firefox
     up = event.detail / 3 == 1 &#63; true : false;
    }
    return up;
   }
   var changeBar = function(prevIndex, index) {
    var barUl = document.getElementById('barUl');
    var barLiList = barUl.getElementsByTagName('li');
    barLiList[prevIndex].className = "";
    barLiList[index].className = "active"; 
   }
   var changePage = function(pageIndex) {
    var showPageUl = document.getElementById('wheelUl');
    changeBar(currentShowPageIndex, pageIndex);
    currentShowPageIndex = pageIndex;
    var left = -(currentShowPageIndex) * 1000;
    showPageUl.style.marginLeft = left + "px";
    return;
   }
   var animate = function(obj, mode, from, to){
    if(animateTimeout) {
     clearTimeout(animateTimeout);
    }
    if(mode == "left") {
     if(from > to) {
      from = from - 50;
      obj.style.marginLeft = (from) + "px";
      setTimeout(function(){
       animate(obj, mode, from, to);
      }, 30);
     } else {
        isWheelAnimating = false;
       }
     return;
    } 
    if(from < to) {
     from = from + 50;
     obj.style.marginLeft = (from) + "px";
     setTimeout(function(){
      animate(obj, mode, from, to);
     }, 30);
    } else {
       isWheelAnimating = false;
      }
   }
   var mouseWheel = function(event) { 
    if(isWheelAnimating) {
      return;
    }
    isWheelAnimating = true;
    var wheelUp = isWheelUp(event);
    var showPageUl = document.getElementById('wheelUl');
    var showPageUlWidth = parseInt(showPageUl.offsetWidth);
    var showPageLiList = showPageUl.getElementsByTagName('li');
    var showPageLiListLength = showPageLiList.length;
    var wheelWrapperLeft = parseInt(document.getElementById('wheelWrapper').offsetLeft);
    if(wheelUp && currentShowPageIndex < showPageLiListLength - 1) {
     changeBar(currentShowPageIndex, currentShowPageIndex + 1);
     currentShowPageIndex ++;
     var left = -(currentShowPageIndex) * 1000;
     //animate(showPageUl, "right", -(currentShowPageIndex - 1) * 1000, -(currentShowPageIndex - 1) * 1000);
     var from = -(currentShowPageIndex - 1) * 1000;
     var to = -(currentShowPageIndex) * 1000;
     animate(showPageUl, "left", from, to);
     return;
    }
    if(!wheelUp && currentShowPageIndex > 0) {
     changeBar(currentShowPageIndex, currentShowPageIndex - 1);
     currentShowPageIndex --;
     var from = -(currentShowPageIndex + 1) * 1000;
     var to = -(currentShowPageIndex) * 1000;
     animate(showPageUl, "right", from, to);
     return;
    } 
    isWheelAnimating = false;
   };
   if(document.addEventListener){
    document.addEventListener('DOMMouseScroll',function(event) { mouseWheel(event); },false);
   }
   document.onmousewheel = function(event) { mouseWheel(event); }
   window.onload = function(){
    var barUl = document.getElementById('barUl');
    var barLiList = barUl.getElementsByTagName('li');
    for(var i=0,length=barLiList.length; i<length; i++) {
     (function(index){
      barLiList[index].onclick = function(){
       changePage(index);
      };
     })(i);
    }
   }
  </script>
  <style type="text/css" >
   body { background:#494949; margin:0; }
   ul { list-style:none; margin:0; padding:0; }
   li { float:left;}
   #wheelWrapper {
    width:1000px; height:550px; margin:0 auto; 
    position:fixed; left:50%; margin-left:-505px;
    bottom:50px; overflow:hidden;
   }
   #wheelUl {
    width:5050px; height:500px;
   }
   #barUl {
    clear:both; margin:0 auto; width:550px;
    margin-top:20px; line-height:25px;
   }
   #barUl>li {
    width:100px; background:orange;
    height:25px; margin-right:10px;
    border-radius:5px; text-align:center;
    -webkit-border-radius:5px;
    -moz-border-radius:5px;
   }
   #barUl>li:hover {
    background:#C36C12;
   }
   #barUl>li[class=active] {
    background:#C36C12;
   }
   #wheelUl>li { width:1000px; }
   .wheel {
    width:994px; height:500px; background:#FAAA3C;
    border-radius:10px;
    -webkit-border-radius:10px;
    -moz-border-radius:10px;
    margin:0 auto;
    line-height:300px;
    font-size:100px;
    text-align:center;
   }
   .radius {
    border-radius:3px;
    -webkit-border-radius:3px;
    -moz-border-radius:3px;
   }
   h1 { text-align:center; color:#fff; }
  </style>
 </head>
 <body id="body">
  <h1 >ie8+,chrome,ff提供支持</h1>
  <div id="wrapper">
   <div id="wheelWrapper">
    <ul id="wheelUl" >
     <li >
      <div class="wheel">
       1_page1
      </div>
     </li>
     <li >
      <div class="wheel">
       2_page2
      </div>
     </li>
     <li >
      <div class="wheel">
       3_page3
      </div>
     </li>
     <li >
      <div class="wheel">
       4_page4
      </div>
     </li>
     <li >
      <div class="wheel">
       5_page5
      </div>
     </li>
    </ul>
    <ul id="barUl">
     <li class="active">
      1
     </li>
     <li>
      2
     </li>
     <li>
      3
     </li>
     <li>
      4
     </li>
     <li>
      5
     </li>
    </ul>
   </div>
  </div>
 </body>
</html>