先看下效果圖

organization2.png

其中html代碼

<div class="org-tree">
  <ul>
    <li class="ceo">
      <div>
        <span>總經(jīng)理</span><br/>
        <span>張三,李四四四</span>
      </div>
      <ul>
        <li class="manager lineLeft">
          <div>技術(shù)總監(jiān)</div>
        </li>
        <li class="manager line">
          <i class="left"></i>
          <div>產(chǎn)品總監(jiān)</div>
          <i class="right"></i>
        </li>
        <li class="manager lineRight">
          <div>運(yùn)營(yíng)總監(jiān)</div>
        </li>
      </ul>
      <div class="companyManagerBox">
        <div class="companyManager">
          <span>總經(jīng)理</span><br/>
          <span>張三,李四四四</span>
        </div>
      </div>
      <ul>
        <li class="department">
          <div>前端開發(fā)部</div>
          <ul>
            <li class="employee">
              <div>
                <span>前端工程師A</span>
                <span>張三,李思思</span>
              </div>
            </li>
            <li class="employee"><div>前端工程師</div></li>
            <li class="employee"><div>前端工程師C</div></li>
          </ul>
        </li>
        <li class="department">
          <div>后端開發(fā)部</div>
          <ul>
            <li class="employee"><div>后端工程師A</div></li>
            <li class="employee"><div>
              <span>前端工程師A</span>
              <span>張三,李思思</span>
            </div></li>
            <li class="employee"><div>后端工程師C</div></li>
          </ul>
        </li>
        <li class="department">
          <div>測(cè)試部</div>
          <ul>
            <li class="employee"><div>測(cè)試工程師A</div></li>
            <li class="employee"><div>測(cè)試工程師B</div></li>
          </ul>
        </li>
      </ul>
    </li>
  </ul>
</div>

css代碼,主要用ul和li的before、after偽元素進(jìn)行設(shè)置，其中ul偽元素主要用來(lái)實(shí)現(xiàn)連接下方的線，li的偽元素主要是來(lái)實(shí)現(xiàn)連接左右的線，li要加上padding，這樣可以實(shí)現(xiàn)左右有間隔距離，并且偽元素連接的線也正好是li的一半寬度

其中第二層組織，是單獨(dú)添加一個(gè)ul標(biāo)簽來(lái)實(shí)現(xiàn)的

ul,li{
  list-style: none;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.org-tree {
  display: flex;
  justify-content: center;
  padding: 20px;
}
.org-tree ul {
  position: relative;
  padding: 16px 0;
  margin: 0 auto;
  text-align: center;
  display: flex;
  justify-content: center;
}
.org-tree ul::after {
  content: '';
  display: block;
  clear: both;
}

.org-tree li {
  /* display: inline-block; */
  float: left;
  text-align: center;
  position: relative;
  padding: 16px 8px 0 8px;
}
.org-tree li::before,
.org-tree li::after {
  content: '';
  position: absolute;
  top: 0;
  right: 50%;
  border-top: 2px solid #ccc;
  width: 50%;
  height: 16px;
}

.org-tree li::after {
  left: 50%;
  border-left: 2px solid #ccc;
}
.org-tree li:first-child::before,
.org-tree li:last-child::after {
  border: 0 none;
}
.org-tree li:last-child::before {
  border-right: 2px solid #ccc;
  border-radius: 0 5px 0 0;
}

.org-tree li:first-child::after {
  border-radius: 5px 0 0 0;
}

.org-tree .ceo::after,
.org-tree .ceo::before {
  height: 0;
}
.org-tree ul ul::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  border-left: 2px solid #ccc;
  width: 0;
  height: 16px;
}
.org-tree li div {
  border: 2px solid #ccc;
  padding: 8px 3px;
  display: inline-block;
  border-radius: 5px;
  color: #333;
  font-size: 14px;
  background: #fff;
  width: 120px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
.org-tree .employee div {
  width: 40px;
  height: 150px;
}
.org-tree .employee div span {
  display: inline-block;
}
.org-tree .employee div span:first-child { 
  margin-bottom: 10px;
}
.org-tree .companyManagerBox {
  border: 0;
  padding: 16px 8px 0 8px;
  box-shadow: none;
  background-color: transparent;
  width:auto;
  position: relative;
}
.org-tree .companyManagerBox::before{
  position: absolute;
  content: '';
  width: 50%;
  height: 16px;
  left: 0%;
  top: 0;
  border-right: 2px solid #ccc;
}
.line .left {
  position: absolute;
  content: '';
  width: 50%;
  height: 16px;
  left: 0%;
  bottom: -16px;
  border-bottom: 2px solid #ccc;
}
.line .right {
  position: absolute;
  content: '';
  width: 50%;
  height: 16px;
  left: 50%;
  bottom: -16px;
  border-left: 2px solid #ccc;
  border-bottom: 2px solid #ccc;
}
.org-tree .ceo .lineLeft::before {
  left: 50%;
  bottom: -16px;
  top: auto;
  border-left: 2px solid #ccc;
  border-bottom: 2px solid #ccc;
  border-radius: 0 0px 0 5px;
}
.org-tree .ceo .lineRight::after {
  right: 50%;
  bottom: -16px;
  left: auto;
  top: auto;
  border-right: 2px solid #ccc;
  border-bottom: 2px solid #ccc;
  border-radius: 0 0px 5px 0;
}