css樹形導航選單程式碼例項

admin發表於2017-04-07
CSS

分享一段程式碼例項，它利用css實現了樹形導航選單效果。

程式碼例項如下:

[HTML] 純文字檢視 複製程式碼
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta name="author" content="http://www.softwhy.com/" />
<title>螞蟻部落</title>
<style>
body {
  background: #fefefe;
}
.tree {
  list-style: none;
  padding-left: 0;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}
.tree > .tree-node .tree {
  display: block;
  overflow-y: hidden;
  max-height: 300px;
  height: auto;
  -webkit-transition: max-height .5s ease-in;
  -moz-transition: max-height .5s ease-in;
  -o-transition: max-height .5s ease-in;
  transition: max-height .5s ease-in;
}
.tree-node {
  margin-top: -3px;
}
.tree input.node-check {
  display: none;
}
.tree > .tree-node > label {
  cursor: pointer;
}
.tree .node-content {
  display: inline-block;
}
.tree .node-content > .node-text {
  font-size: 12px;
  line-height: 14px;
  margin-left: -4px;
}
.tree .node-content > .node-text:hover {
  color: #00A000;
}
.node-icon {
  background-repeat: no-repeat;
  background-size: 100% 100%;
  display: inline-block;
  vertical-align: middle;
  width: 16px;
  height: 16px;
}
.node-check:checked + .node-content > .tree {
  max-height: 0;
}
.node-check:checked + .node-content > .icon-folder {
  background-image: url(demo/CSS/img/folder.gif);
}
.node-check:checked + .node-content > .icon-expand {
  background-image: url(demo/CSS/img/elbow-end-plus-nl.gif);
}
.icon-expand {
  background-image: url(demo/CSS/img/elbow-end-minus-nl.gif);
}
.icon-minus {
  background-image: url(demo/CSS/img/elbow-minus.gif);
}
.icon-elbow {
  background-image: url(demo/CSS/img/elbow.gif);
}
.icon-elbow-line {
  background-image: url(demo/CSS/img/elbow-line.gif);
}
.icon-elbow-end {
  background-image: url(demo/CSS/img/elbow-end.gif);
}
.icon-file {
  background-image: url(demo/CSS/img/leaf.gif);
}
.icon-folder {
  background-image: url(demo/CSS/img/folder-open.gif);
}
</style>
</head>
<body>
  <ul class="tree">
    <li class="tree-node">
      <label>
        <input class="node-check" type="checkbox">
        <div class="node-content">
          <i class="node-icon icon-expand"></i>
          <i class="node-icon icon-folder"></i>
          <span class="node-text">目錄1</span>
          <ul class="tree">
            <li class="tree-node">
              <label>
                <input class="node-check" type="checkbox">
                <div class="node-content">
                  <i class="node-icon icon-elbow-line"></i>
                  <i class="node-icon icon-elbow"></i>
                  <i class="node-icon icon-file"></i>
                  <span class="node-text">檔案1</span>
                </div>
              </label>
            </li>
            <li class="tree-node">
              <label>
                <input class="node-check" type="checkbox">
                <div class="node-content">
                  <i class="node-icon icon-elbow-line"></i>
                  <i class="node-icon icon-elbow"></i>
                  <i class="node-icon icon-file"></i>
                  <span class="node-text">檔案1</span>
                </div>
              </label>
            </li>
            <li class="tree-node">
              <label>
                <input class="node-check" type="checkbox">
                <div class="node-content">
                  <i class="node-icon icon-elbow-line"></i>
                  <i class="node-icon icon-expand"></i>
                  <i class="node-icon icon-folder"></i>
                  <span class="node-text">目錄22</span>
                  <ul class="tree">
                    <li class="tree-node">
                      <label>
                        <input class="node-check" type="checkbox">
                        <div class="node-content">
                          <i class="node-icon icon-elbow-line"></i>
                          <i class="node-icon icon-elbow"></i>
                          <i class="node-icon icon-file"></i>
                          <span class="node-text">softwhy.com</span>
                        </div>
                      </label>
                    </li>
                    <li class="tree-node">
                      <label>
                        <input class="node-check" type="checkbox">
                        <div class="node-content">
                          <i class="node-icon icon-elbow-line"></i>
                          <i class="node-icon icon-elbow"></i>
                          <i class="node-icon icon-file"></i>
                          <span class="node-text">螞蟻部落</span>
                        </div>
                      </label>
                    </li>
                    <li class="tree-node">
                      <label>
                        <input class="node-check" type="checkbox">
                        <div class="node-content">
                          <i class="node-icon icon-elbow-line"></i>
                          <i class="node-icon icon-elbow"></i>
                          <i class="node-icon icon-file"></i>
                          <span class="node-text">div教程</span>
                        </div>
                      </label>
                    </li>
                    <li class="tree-node">
                      <label>
                        <input class="node-check" type="checkbox">
                        <div class="node-content">
                          <i class="node-icon icon-elbow-line"></i>
                          <i class="node-icon icon-elbow-end"></i>
                          <i class="node-icon icon-file"></i>
                          <span class="node-text">css教程</span>
                        </div>
                      </label>
                    </li>
                  </ul>
                </div>
              </label>
            </li>
          </ul>
        </div>
      </label>
 
    </li>
    <li class="tree-node">
      <label>
        <input class="node-check" type="checkbox">
        <div class="node-content">
          <i class="node-icon icon-elbow"></i>
          <i class="node-icon icon-file"></i>
          <span class="node-text">js教程</span>
        </div>
      </label>
    </li>
    <li class="tree-node">
      <label>
        <input class="node-check" type="checkbox">
        <div class="node-content">
          <i class="node-icon icon-expand"></i>
          <i class="node-icon icon-folder"></i>
          <span class="node-text">jquery教程</span>
          <ul class="tree">
            <li class="tree-node">
              <label>
                <input class="node-check" type="checkbox">
                <div class="node-content">
                  <i class="node-icon"></i>
                  <i class="node-icon icon-elbow"></i>
                  <i class="node-icon icon-file"></i>
                  <span class="node-text">json教程</span>
                </div>
              </label>
            </li>
            <li class="tree-node">
              <label>
                <input class="node-check" type="checkbox">
                <div class="node-content">
                  <i class="node-icon"></i>
                  <i class="node-icon icon-elbow"></i>
                  <i class="node-icon icon-file"></i>
                  <span class="node-text">css3教程</span>
                </div>
              </label>
            </li>
            <li class="tree-node">
              <label>
                <input class="node-check" type="checkbox">
                <div class="node-content">
                  <i class="node-icon"></i>
                  <i class="node-icon icon-elbow"></i>
                  <i class="node-icon icon-file"></i>
                  <span class="node-text">html教程</span>
                </div>
              </label>
            </li>
            <li class="tree-node">
              <label>
                <input class="node-check" type="checkbox">
                <div class="node-content">
                  <i class="node-icon"></i>
                  <i class="node-icon icon-elbow-end"></i>
                  <i class="node-icon icon-file"></i>
                  <span class="node-text">ajax教程</span>
                </div>
              </label>
            </li>
          </ul>
        </div>
      </label>
    </li>
  </ul>
</body>
</html>

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