【问题标题】:Family Tree with pure HTML and CSS (or with minimal JS)纯 HTML 和 CSS(或使用最少的 JS)的家谱
【发布时间】:2018-11-05 09:11:01
【问题描述】:

我正在尝试使用 HTML 和 CSS 构建家谱。我在codepen 上找到了一个很好的例子。

作为一个家庭,不是简单的节点层次结构,而是有时相当复杂的关系,我需要有多个几乎可以作为一个节点的节点。不过还是先从不是最复杂的例子开始吧,以我家为例,从母亲那边的外婆为根:

  • 我爸是我妈的前夫
  • 我妈又结婚了,所以我有了继父

所以上面的基节点是我的母亲,但是我和我的妹妹应该放在我父亲的下面,因为我们与继父没有关系。我试着在这里描绘这个:

这是我的标记和 css(基于上面的 codepen 示例):

/* Person */
.person {
	border: 1px solid black;
	padding: 10px;
	min-width: 150px;
	background-color: #FFFFFF;
	display: inline-block;
}

.person.female {
	border-color: #F45B69;
}

.person.male {
	border-color: #456990;
}

.person div {
	text-align: center;
}

.person .name {
	font-size: 16px;
}

.person .parentDrop, .person .spouseDrop, .person .childDrop {
	border: 1px dashed #000000;
	width: auto;
	min-width: 80px;
	min-height: 80px;
	display: inline-block;
	vertical-align: top;
	position: relative;
	padding-top: 15px;
}

.person .parentDrop>span,
.person .spouseDrop>span,
.person .childDrop>span {
	position: absolute;
	top: 2px;
	left: 2px;
	font-weight: bold;
}
.parentDrop>.person,
.spouseDrop>.person,
.childDrop>.person {
	margin-top: 20px;
}

/* Tree */
.tree ul {
	padding-top: 20px;
	position: relative;
	transition: all 0.5s;
	-webkit-transition: all 0.5s;
	-moz-transition: all 0.5s;
}

.tree li {
	display: table-cell;
	text-align: center;
	list-style-type: none;
	position: relative;
	padding: 20px 5px 0 5px;
	transition: all 0.5s;
	-webkit-transition: all 0.5s;
	-moz-transition: all 0.5s;
}



/*We will use ::before and ::after to draw the connectors*/
.tree li::before, .tree li::after {
	content: '';
	position: absolute;
	top: 0;
	right: 50%;
	border-top: 1px solid #ccc;
	width: 50%;
	height: 20px;
}

.tree li::after {
	right: auto;
	left: 50%;
	border-left: 1px solid #ccc;
}

/*We need to remove left-right connectors from elements without 
any siblings*/
.tree li:only-child::after, .tree li:only-child::before {
	display: none;
}

/*Remove space from the top of single children*/
.tree li:only-child {
	padding-top: 0;
}

/*Remove left connector from first child and 
right connector from last child*/
.tree li:first-child::before, .tree li:last-child::after {
	border: 0 none;
}
/*Adding back the vertical connector to the last nodes*/
.tree li:last-child::before {
	border-right: 1px solid #ccc;
	border-radius: 0 5px 0 0;
	-webkit-border-radius: 0 5px 0 0;
	-moz-border-radius: 0 5px 0 0;
}

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

/*Time to add downward connectors from parents*/
.tree ul ul::before {
	content: '';
	position: absolute;
	top: 0;
	left: 50%;
	border-left: 1px solid #ccc;
	width: 0;
	height: 20px;
}

.tree li .parent {
	transition: all 0.5s;
	-webkit-transition: all 0.5s;
	-moz-transition: all 0.5s;
	margin-top: 10px;
}
.tree li .parent::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 50%;
    border-left: 1px solid #ccc;
    border-right: 1px solid #ccc;
    width: 3px;
    height: 10px;
}
.tree li .family {
	position: relative;
}
.tree li .family .spouse {
	position: absolute;
	top: 0;
	left: 50%;
    margin-left: 95px;
}
.tree li .family .spouse::before {
    content: '';
    position: absolute;
    top: 50%;
    left: -10px;
    border-top: 1px solid #ccc;
    border-bottom: 1px solid #ccc;
    width: 10px;
    height: 3px;
}

/*Time for some hover effects*/
/*We will apply the hover effect the the lineage of the element also*/
.tree li .child:hover,
.tree li .child:hover+.parent .person,
.tree li .parent .person:hover,
.tree li .child:hover+.parent .person+ul li .child,
.tree li .parent .person:hover+ul li .child,
.tree li .child:hover+.parent .person+ul li .parent .person,
.tree li .parent .person:hover+ul li .parent .person {
	background: #c8e4f8;
	color: #000;
	border: 1px solid #94a0b4;
}
/*Connector styles on hover*/
.tree li .child:hover+.parent::before,
.tree li .child:hover+.parent .person+ul li::after,
.tree li .parent .person:hover+ul li::after,
.tree li .child:hover+.parent .person+ul li::before,
.tree li .parent .person:hover+ul li::before,
.tree li .child:hover+.parent .person+ul::before,
.tree li .parent .person:hover+ul::before,
.tree li .child:hover+.parent .person+ul ul::before,
.tree li .parent .person:hover+ul ul::before {
	border-color: #94a0b4;
}
<div class="tree">
<ul>
<li>
	<div class="family">
		<div class="person child male">
			<div class="name">Grandfather</div>
		</div>
    <div class="parent">
      <div class="person female">
        <div class="name">Grandmother</div>
      </div>
      <ul>
        <li>
          <div class="family" style="width: 172px">
            <div class="person child male">
              <div class="name">Uncle</div>
            </div>
            <div class="parent">
              <div class="person female">
                <div class="name">Wife of Uncle</div>
              </div>
            </div>
          </div>
        </li>
        <li>
          <div class="family" style="width: 172px">
            <div class="person child female">
              <div class="name">Aunt</div>
            </div>
            <div class="parent">
              <div class="person male">
                <div class="name">Husband of Aunt</div>
              </div>
            </div>
          </div>
        </li>
        <li>
          <div class="family" style="width: 344px">
            <div class="person child female">
              <div class="name">Mother</div>
            </div>
            <div class="parent">
              <div class="person male">
                <div class="name">Father</div>
              </div>
              <ul>
                <li>
                  <div class="person child male">
                    <div class="name">Me</div>
                  </div>
                </li>
                <li>
                  <div class="person child female">
                    <div class="name">Sister</div>
                  </div>
                </li>
              </ul>
            </div>
            <div class="person spouse male">
              <div class="name">Spouse</div>
            </div>
          </div>
        </li>
      </ul>
    </div>
	</div>
</li>
</ul>
</div>

编辑:我找到了一个解决方案,而我在后端计算彼此相邻的节点,并将一些具有宽度的样式属性写入新引入的 div。它仍然不完美,所以如果有人有改进,请发表评论或回答。

【问题讨论】:

  • 问题至少从html中的定位开始
  • @CarolMcKay 我也想过,但我目前不确定如何在结构中放置不同的 .person div,以及与孩子们一起放置 .parent,所以这些线条与此不同节点...所以,任何可以使这项工作的标记和 CSS 更改都是受欢迎的。
  • @thomas 非常好的解决方案。如果我想在一行而不是新行上显示父级怎么办。如果可能,请您指导。 (父亲母亲)

标签: css tree


【解决方案1】:

我建议你使用一些第三方 js 家谱库

例如OrgChart JS

家谱算法可能非常复杂,这就是为什么如您所说,如果多个节点作为一个节点会更容易。

唯一的事情是你必须学习如何在 OrgChart JS 中implement your own template

这是一个英国皇室家族树的例子:

window.onload = function () {
    OrgChart.templates.family_template_11 = Object.assign({}, OrgChart.templates.ana);
    OrgChart.templates.family_template_11.size = [200, 140];
    OrgChart.templates.family_template_11.plus = "";
    OrgChart.templates.family_template_11.minus = "";
    OrgChart.templates.family_template_11.node = '';
    OrgChart.templates.family_template_11.rippleRadius = 45;
    OrgChart.templates.family_template_11.name_1 = '<text class="name_1" style="font-size: 12px;" fill="#000000" x="100" y="105" text-anchor="middle">{val}</text>';
    OrgChart.templates.family_template_11.name_2 = '<text class="name_2" style="font-size: 12px;" fill="#000000" x="235" y="105" text-anchor="middle">{val}</text>';
    OrgChart.templates.family_template_11.name_3 = '<text class="name_3" style="font-size: 12px;" fill="#000000" x="370" y="105" text-anchor="middle">{val}</text>';
    OrgChart.templates.family_template_11.title_1 = '<text class="title_1" style="font-size: 12px;" fill="#aeaeae" x="100" y="120" text-anchor="middle">{val}</text>';
    OrgChart.templates.family_template_11.title_2 = '<text class="title_2" style="font-size: 12px;" fill="#aeaeae" x="235" y="120" text-anchor="middle">{val}</text>';
    OrgChart.templates.family_template_11.title_3 = '<text class="title_3" style="font-size: 12px;" fill="#aeaeae" x="370" y="120" text-anchor="middle">{val}</text>';
    OrgChart.templates.family_template_11.img_0 = '<clipPath id="{randId}"><circle cx="100" cy="45" r="40"></circle></clipPath><circle stroke-width="3" fill="none" stroke="#aeaeae" cx="100" cy="45" r="45"></circle><image preserveAspectRatio="xMidYMid slice" clip-path="url(#{randId})" xlink:href="{val}" x="60" y="5"  width="80" height="80"></image>';
    OrgChart.templates.family_template_11.linkAdjuster =
        {
            fromX: 0,
            fromY: 0,
            toX: 0,
            toY: 0
        };


    OrgChart.templates.family_template_12 = Object.assign({}, OrgChart.templates.family_template_11);
    OrgChart.templates.family_template_12.img_0 = '<clipPath id="{randId}"><circle cx="100" cy="45" r="40"></circle></clipPath><circle stroke-width="3" fill="none" stroke="#039BE5" cx="100" cy="45" r="45"></circle><image preserveAspectRatio="xMidYMid slice" clip-path="url(#{randId})" xlink:href="{val}" x="60" y="5"  width="80" height="80"></image>';
    OrgChart.templates.family_template_12.linkAdjuster =
        {
            fromX: 0,
            fromY: 0,
            toX: 0,
            toY: -95
        };



    OrgChart.templates.family_template_21 = Object.assign({}, OrgChart.templates.family_template_11);
    OrgChart.templates.family_template_21.size = [335, 140];
    OrgChart.templates.family_template_21.node = '<line x1="145" x2="190" y1="45" y2="45" stroke-width="1" stroke="#000000"></line>';
    OrgChart.templates.family_template_21.img_1 = '<clipPath id="{randId}"><circle cx="235" cy="45" r="40"></circle></clipPath><circle stroke-width="3" fill="none" stroke="#aeaeae" cx="235" cy="45" r="45"></circle><image preserveAspectRatio="xMidYMid slice" clip-path="url(#{randId})" xlink:href="{val}" x="195" y="5"  width="80" height="80"></image>';
    OrgChart.templates.family_template_21.linkAdjuster =
        {
            fromX: 65,
            fromY: 0,
            toX: 0,
            toY: -95
        };

    OrgChart.templates.family_template_22 = Object.assign({}, OrgChart.templates.family_template_21);
    OrgChart.templates.family_template_22.linkAdjuster =
        {
            fromX: -70,
            fromY: 0,
            toX: 65,
            toY: -95
        };

    OrgChart.templates.family_template_23 = Object.assign({}, OrgChart.templates.family_template_21);
    OrgChart.templates.family_template_23.img_1 = '<clipPath id="{randId}"><circle cx="235" cy="45" r="40"></circle></clipPath><circle stroke-width="3" fill="none" stroke="#039BE5" cx="235" cy="45" r="45"></circle><image preserveAspectRatio="xMidYMid slice" clip-path="url(#{randId})" xlink:href="{val}" x="195" y="5"  width="80" height="80"></image>';
    OrgChart.templates.family_template_23.linkAdjuster =
        {
            fromX: 65,
            fromY: 0,
            toX: 65,
            toY: -95
        };

    OrgChart.templates.family_template_24 = Object.assign({}, OrgChart.templates.family_template_21);
    OrgChart.templates.family_template_24.img_0 = '<clipPath id="{randId}"><circle cx="100" cy="45" r="40"></circle></clipPath><circle stroke-width="3" fill="none" stroke="#039BE5" cx="100" cy="45" r="45"></circle><image preserveAspectRatio="xMidYMid slice" clip-path="url(#{randId})" xlink:href="{val}" x="60" y="5"  width="80" height="80"></image>';


    OrgChart.templates.family_template_25 = Object.assign({}, OrgChart.templates.family_template_21);
    OrgChart.templates.family_template_25.img_1 = '<clipPath id="{randId}"><circle cx="235" cy="45" r="40"></circle></clipPath><circle stroke-width="3" fill="none" stroke="#039BE5" cx="235" cy="45" r="45"></circle><image preserveAspectRatio="xMidYMid slice" clip-path="url(#{randId})" xlink:href="{val}" x="195" y="5"  width="80" height="80"></image>';




    OrgChart.templates.family_template_31 = Object.assign({}, OrgChart.templates.family_template_21);
    OrgChart.templates.family_template_31.size = [470, 140];
    OrgChart.templates.family_template_31.node = '<line x1="145" x2="190" y1="45" y2="45" stroke-width="1" stroke="#000000"></line><line x1="280" x2="325" y1="45" y2="45" stroke-width="1" stroke="#F57C00"></line>';
    OrgChart.templates.family_template_31.img_1 = '<clipPath id="{randId}"><circle cx="235" cy="45" r="40"></circle></clipPath><circle stroke-width="3" fill="none" stroke="#039BE5" cx="235" cy="45" r="45"></circle><image preserveAspectRatio="xMidYMid slice" clip-path="url(#{randId})" xlink:href="{val}" x="195" y="5"  width="80" height="80"></image>';

    OrgChart.templates.family_template_31.img_2 = '<clipPath id="{randId}"><circle cx="370" cy="45" r="40"></circle></clipPath><circle stroke-width="3" fill="none" stroke="#aeaeae" cx="370" cy="45" r="45"></circle><image preserveAspectRatio="xMidYMid slice" clip-path="url(#{randId})" xlink:href="{val}" x="330" y="5"  width="80" height="80"></image>';
    OrgChart.templates.family_template_31.linkAdjuster =
        {
            fromX: 0,
            fromY: 0,
            toX: 0,
            toY: -95
        };

    var chart = new OrgChart(document.getElementById("tree"), {
        tags: {
            "family_template_11": {
                template: "family_template_11"
            },
            "family_template_21": {
                template: "family_template_21"
            },
            "family_template_31": {
                template: "family_template_31"
            },
            "family_template_22": {
                template: "family_template_22"
            },
            "family_template_23": {
                template: "family_template_23"
            },
            "family_template_24": {
                template: "family_template_24"
            },
            "family_template_25": {
                template: "family_template_25"
            },
            "family_template_12": {
                template: "family_template_12"
            }
        },
        enableSearch: false,
        nodeMouseClickBehaviour: BALKANGraph.action.none,
        mouseScroolBehaviour: BALKANGraph.action.zoom,
        scaleInitial: BALKANGraph.match.boundary,
        nodeBinding: {
            name_1: "name1",
            name_2: "name2",
            name_3: "name3",
            title_1: "title1",
            title_2: "title2",
            title_3: "title3",
            img_0: "img0",
            img_1: "img1",
            img_2: "img2"
        },
        links: [
            { from: "2", to: "1" },
            { from: "3", to: "1" },
            { from: "4", to: "2" },
            { from: "5", to: "2" },
            { from: "6", to: "2" },
            { from: "7", to: "2" },
            { from: "8", to: "4" },
            { from: "9", to: "4" },
            { from: "10", to: "8" },
            { from: "11", to: "8" },
            { from: "12", to: "8" },
        ],
        nodes: [
            { id: "1", tags: ["family_template_24"], name1: "King George VI", name2: "Queen Elizabeth,", title2: "The Queen Mother", img0: "https://balkangraph.com/js/img/f1.png", img1: "https://balkangraph.com/js/img/f2.png" },
            { id: "2", tags: ["family_template_25"], name1: "Prince Philip", name2: "Queen Elizabeth II", title1: "Duke of Edinburgh", img0: "https://balkangraph.com/js/img/f3.png", img1: "https://balkangraph.com/js/img/f5.png" },
            { id: "3", tags: ["family_template_11"], name1: "Princess Margaret", img0: "https://balkangraph.com/js/img/f6.png" },
            { id: "4", tags: ["family_template_31"], name1: "Camila,", name2: "Charles,", name3: "Diana,", title1: "Duchess of Cornwall", title2: "Prince of Wales", title3: "Princess of Wales", img0: "https://balkangraph.com/js/img/f7.png", img1: "https://balkangraph.com/js/img/f8.png", img2: "https://balkangraph.com/js/img/f9.png" },
            { id: "5", tags: ["family_template_11"], name1: "Anne", title1: "Princess Royal", img0: "https://balkangraph.com/js/img/f10.png" },
            { id: "6", tags: ["family_template_11"], name1: "Prince Andrew", title1: "Duke of York", img0: "https://balkangraph.com/js/img/f11.png" },
            { id: "7", tags: ["family_template_11"], name1: "Prince Edward", title1: "Earl of Wessex", img0: "https://balkangraph.com/js/img/f12.png" },
            { id: "8", tags: ["family_template_23"], name1: "Catherine,", name2: "Prince William", title1: "Duchess of Cambridge", title2: "Duch of Cambridge", img0: "https://balkangraph.com/js/img/f13.png", img1: "https://balkangraph.com/js/img/f14.png" },
            { id: "9", tags: ["family_template_22"], name1: "Prince Harry", name2: "Meghan Markle", img0: "https://balkangraph.com/js/img/f15.png", img1: "https://balkangraph.com/js/img/f16.png" },
            { id: "10", tags: ["family_template_12"], name1: "Prince George of Cambridge", img0: "https://balkangraph.com/js/img/f17.png" },
            { id: "11", tags: ["family_template_12"], name1: "Prince Charlotte of Cambridge", img0: "https://balkangraph.com/js/img/f18.png" },
            { id: "12", tags: ["family_template_12"], name1: "Prince Louis of Cambridge", img0: "https://balkangraph.com/js/img/f19.png" }
        ]
    });
};
html, body {
    margin: 0px;
    padding: 0px;
    width: 100%;
    height: 100%;
    font-family: Helvetica;
    overflow: hidden;
}

#tree {
    width: 100%;
    height: 100%;
}
<script src="https://balkangraph.com/js/latest/OrgChart.js"></script>

<div id="tree"></div>

【讨论】:

  • 谢谢,会看看这个。虽然我希望找到一个没有 JS 的解决方案(至少没有完整的库),但也许这要求太多了。但是使用一些画布来画线条也许是我可以用最少的努力完成的事情
  • 这显示不正确。所有人都水平显示。
  • 所有人水平显示
  • 我找到了相同的工作版本。 balkangraph.com/OrgChartJS/Demos/RoyalFamilyTree
  • 免费使用还是需要付费?
【解决方案2】:

您是否考虑过将 SVG 或 SVG+HTML 与 CSS 结合使用? SVG Family-Tree Generator 中描述的工具只是一个设计器,它可以输出 HTML、SVG、JavaScript 和 CSS 的可配置组合。它的可视化树具有显示暂定亲子关系、未显示的孩子(表示还有其他孩子,但与嵌入树的出版物无关)、连续婚姻和连接线的 CSS 自定义的工具。有零脚本配置,所有输出都是非混淆的(允许编辑或学习)。

如果您想避免使用脚本,那么您可能会发现 SVG 也是要避免的。虽然它非常强大,甚至允许用户与框元素进行交互,但有些网站不喜欢它;尤其是 WordPress,您最好将 SVG 转换为 PNG 或类似格式。

【讨论】:

  • 感谢您的链接,我会看看它。我目前使用的版本(在我的 OP 中更新)可以工作,但有一些限制,你只能用 CSS 和伪类之前/之后做这么多。
【解决方案3】:

TLDR:不要使用 OrgChartJS - 使用他们的新 FamilyTreeJS(测试版) https://balkan.app/FamilyTreeJS

我正在尝试做完全相同的事情,但我偶然发现了 Balkan OrgChartJS,我花了几个小时试图让它工作,但意识到它没有。他们还没有做广告,但他们分叉并专门为家谱制作。几天来我一直在努力,让它接近我想要的。看看吧!

【讨论】:

    【解决方案4】:

    这里有一些让你开始的东西,我现在必须把它留在这里。

    .tree {
      display:flex;
       width:100%;
      justify-content:center;
      flex-direction:column;
    }
    
    .tree > div {
      display:flex;
      justify-content:center;
      width:auto;
    /*   background:indianred; */
      align-self:center;
    }
    
    .tree div > div {
      
      margin:1em;
    }
    
    .spouse::before {
      content:" ";
      position:absolute;
      margin-top:1.5em;
      margin-left:-2.1em;
      width:2em;
      height:1px;
      align-self:center;
      border-top:2px solid purple;
    }
    
    .paternal::after {
      content:" ";
      position:absolute;
      margin-top:2px;
      margin-left:3em;
      width:1px;
      height:2em;
      align-self:center;
      border-left:2px solid purple;
    }
    
    .person {
      border:2px solid pink;
    }
    
    .person {
      border:2px solid pink;
    }
    <div class="tree">
    	<div class="generationone">
    		<div class="person male grandparent">
    			<div class="name">Grandfather</div>
    		</div>
        	<div class="person spouse female grandparent">
    		    <div class="name">Grandmother</div>
    	   </div>
      </div><!-- end one -->
      <div class="generationonetwo">
    		<div class="person male child">
    				<div class="name">Uncle</div>
    		</div>
        <div class="person spouse female">
    			 <div class="name">Wife of Uncle</div>
    		 </div>
    		<div class="person child female">
    			<div class="name">Aunt</div>
    		</div>
    		<div class="person spouse male">
    				<div class="name">Husband of Aunt</div>
    		</div>
    		<div class="person paternal male">
    				<div class="name">Father</div>
    		</div>
    		<div class="person spouse child female">
    				<div class="name">Mother</div>
    		</div>
    		<div class="person spouse male">
    				<div class="name">Step Father</div>
    		</div>
      </div><!-- end two -->
      <div class="generationonetthree">
    		<div class="person child male">
    				<div class="name">Me</div>
    		</div>
        <div class="person child female">
             <div class="name">Sister</div>
        </div>
    		<div class="person spouse male">
    				<div class="name">Spouse</div>
    		</div>
    	</div><!-- end three -->
    </div><!-- end tree -->

    【讨论】:

    • 感谢您的努力,尽管我认为如果 DOM 中没有一些实际的层次结构,将很难对齐孩子。以上只是一个小例子来展示我需要什么。我试图展示的完整树是我的曾祖父作为根的一级,他有 12 个孩子,其中一些也有很多孩子。它目前由 300 多人组成!
    • “300 多人”哇@Thomas。
    【解决方案5】:

    这是我的 css/html/jQuery 家族树解决方案,它在基本人/夫妇的右侧构建树。人们通过连接器连接到他们的父母,这些连接器是使用一些 2px 高和 10 px 宽的 png 文件(不包括在内)创建的。 centerPixels 填充了中心 4,而 pointRight 和 pointLeft 通过填充它们的左半部分或右半部分来做到这一点。它并不完美,但它适用于提供的示例数据。

    <!DOCTYPE html>
    <head>
        <meta charset="utf-8">
        <script src="/lib/jquery-3.3.1.min.js"></script>
        <style>
        .table_Node {border-collapse:collapse; border-spacing:0px; border:0px; padding:0px; vertical-align:middle;}
        .th_Node {border:0px; padding:0px; padding-left:4px; vertical-align:middle;}
        .td_Node {border:0px; padding:5px; vertical-align:middle; position:relative;}
        .lbl_NodeName {font-size:14px;}
        .lbl_NodeBirthDeath {font-size:12px;}
        .divPerson {    
            display:block; 
            width:100%; 
            color:#eeeeee; 
            border:1px solid black; 
            padding:3px 4px 5px 4px; 
            left:8px; 
            min-width:75px; 
            border-radius:8px; 
            background-color: #333;
        }
        .div_AnchorLine {
            display:block;
            position:absolute;
            width:10px;
            left:0px;
            background-image: url("/img/centerPixels.png");
        }
        .div_AnchorTop {
            display:block;
            position:absolute;
            width:10px;
            height:2px;
            top:0px;
            background-image: url("/img/pointRight.png");
        }
        .div_AnchorBottom {
            display:block;
            position:absolute;
            width:10px;
            height:2px;
            bottom:0px;
            background-image: url("/img/pointRight.png");
        }
        .table_EmptyParent {
            height:28px;
            vertical-align:middle;
        }
    
        .table_Dad {
            margin-left:10px; 
            margin-bottom:2px;
        }
    
        .div_DadLine {
            display:block;
            position:absolute;
            width:10px;
            left:9px;
            background-image: url("/img/centerPixels.png");
        }
        .div_DadTop {
            display:block;
            position:absolute;
            width:10px;
            height:2px;
            top:0px;
            background-image: url("/img/pointRight.png");
        }
        .div_DadBottom {
            display:block;
            position:absolute;
            width:10px;
            height:2px;
            bottom:0px;
            background-image: url("/img/pointLeft.png");
        }
    
        .table_Mom {
            margin-left:10px; 
            margin-top:2px;
        }
        .div_MomLine {
            display:block;
            position:absolute;
            width:10px;
            /*height:25%;
            top:50%;*/
            left:9px;
            background-image: url("/img/centerPixels.png");
        }
        .div_MomTop {
            display:block;
            position:absolute;
            width:10px;
            height:2px;
            top:0px;
            background-image: url("/img/pointLeft.png");
        }
        .div_MomBottom {
            display:block;
            position:absolute;
            width:10px;
            height:2px;
            bottom:0px;
            background-image: url("/img/pointRight.png");
        }
    
        </style>
    </head>
    <body>
    <div id='treeDiv' style='position:relative;'></div>
    </body>
    </html>
    
    <script>
    
    // this is just skeleton objects
    var people = [];
    var blankPerson = {
        ID : 0,
        Name:"&nbsp;",
        BirthDate:"",
        BirthPlace:"",
        DeathDate:"",
        DeathPlace:"",
        DadID:0,
        MomID:0
    };
    var marriages = [];
    var blankMarriage = {
        HusbandID: 0, 
        WifeID: 0,
        MarriedDate: "",
        MarriedPlace: ""
    };
    // these anchors are what are used to start the tree
    // the anchorPerson is the person with no children
    // if the tree data is broken (i.e. a great-grandparent without a chlid), 
    // then results are unpredictable.
    var anchorPerson = blankPerson;
    var anchorHusband = blankPerson;
    var anchorWife = blankPerson;
    var anchorMarriage = blankMarriage;
    
    $(document).ready(function(){
        loadPeople();
        loadMarriages();
        buildTree();
    });
    
    // this should be an ajax get
    function loadPeople()
    {
        addPerson(1100, "Person1100","1890-01-01","1921-07-14",0,0);
        addPerson(10, "Person10","","",100,101);
        addPerson(100, "Person100","","",1000,2);
        addPerson(1001, "Person1001","","",0,1100);
        addPerson(1, "Person1","1992-01-15","",10,11);
        addPerson(101, "Person101","","",1010,1011);
        addPerson(1010, "Person1010","","",0,0);
        addPerson(1011, "Person1011","","",0,0);
    
        addPerson(11, "Person11","","",110,111);
        addPerson(110, "Person110","","",1100,0);
        addPerson(1000, "Person1000","","",0,0);
        addPerson(8, "Person8","","",0,0);
        addPerson(2, "Person2","","",0,21);
        addPerson(1101, "Person1101","","",0,0);
        addPerson(21, "Person21","","",1101,0);
        addPerson(111, "Person111","","",1110,1111);
        addPerson(1110, "Person1110","","",0,0);
        addPerson(1111, "Person1111","","",0,0);
    }
    
    // the ajax routine will return an array of person objects,
    // so this won't even be here
    function addPerson(id,name,born,died,dadid, momid)
    {
        people.push({
            ID : id,
            Name:name,
            BirthDate:born,
            BirthPlace:"",
            DeathDate:died,
            DeathPlace:"",
            DadID:dadid,
            MomID:momid
        });
    }
    
    // this should be an ajax get
    function loadMarriages()
    {
        addMarriage(110,111);
        addMarriage(1110,1111);
        addMarriage(1,8);
        addMarriage(10,11);
        addMarriage(100,101);
        addMarriage(0,21);
        addMarriage(1000,2);
        addMarriage(1100,1101);
    }
    
    // the ajax routine will return an array of person objects,
    // so this won't even be here
    function addMarriage(hid,wid)
    {
        marriages.push({
            HusbandID: hid, 
            WifeID: wid,
            MarriedDate: "",
            MarriedPlace: ""
        });    
    }
    
    // pretty much the only thing I couldn't figure out 
    // is how to always get someone centered on parents
    // people can ride a little high or a little low on their connectors 
    // line depending on how the tree is structured to their right
    function buildTree()
    {
        // clear everything
        $('#treeDiv').html("");
    
        // find someone with no children
        // again, if the tree is broken, then this will not work
        anchorPerson = findAnchorPerson();
    
        // find out if the anchorPerson is married
        anchorMarriage = findMarriage(anchorPerson.ID);   
        if (anchorMarriage == blankMarriage)
        {
            // if not, start the tree with the anchorPerson
            $('#treeDiv').append("<table id='table_"+anchorPerson.ID+"' class='table_Node' cellpadding='0'></table>");
        }
        else
        {
            // otherwise, figure out who is the husband and who is the wife and then start with both
            anchorHusband = findPersonByID(anchorMarriage.HusbandID);
            anchorWife = findPersonByID(anchorMarriage.WifeID);
            $('#treeDiv').append("<table id='table_"+anchorMarriage.HusbandID+"' cellpadding='0' class='table_Node' style='margin-left:5px;'></table>");
            $('#treeDiv').append("<div id='div_AnchorLine' class='div_AnchorLine' style='top:0px;'>"
                                    +"<div class='div_AnchorTop'></div>"        
                                    +"<div class='div_AnchorBottom'></div>"
                                +"</div>");
            $('#treeDiv').append("<table id='table_"+anchorMarriage.WifeID+"' cellpadding='0' class='table_Node' style='margin-left:5px;'></table>");
    
        }
    
        var finished = false;
        while(finished == false)
        {
            var somethingWasDone = false;
            $.each(people,function(){
                var thisPerson = this;
                var foundIt = false;
                $('.table_Node').each(function(){
                    if ($(this).attr('id') == "table_"+thisPerson.ID)
                    {
                        if ($(this).html() == "") //  should only happen twice. once with anchorHusband and once with anchorWife
                        {
                            somethingWasDone = true;
                            $(this).html(getPersonHTML(thisPerson));                        
                        }
                        else if ($('#div_'+thisPerson.ID).html() == "&nbsp;")
                        {
                            somethingWasDone = true;
                            $(this).html(getPersonHTML(thisPerson));                        
                        }
                    }
                });
            });
            if (somethingWasDone == false)
                finished = true;
        }
        // if the anchor person is married, add the line linking the couple
        if (anchorMarriage != blankMarriage)
        {
            var top = $('#div_'+anchorMarriage.HusbandID).offset().top;
            var height = Number($('#div_'+anchorMarriage.WifeID).offset().top) - top;
            $('#div_AnchorLine').attr('style','top:'+Number(top+8)+'px; height:'+height+'px;');
        }
    
        // now, add connectots to everybody's parents
        $('.td_Parents').each(function(){
            addDadConnector($(this).attr('id').substr(11));
            addMomConnector($(this).attr('id').substr(11));
        });
    }
    
    function getPersonHTML(person)
    {
        var dad = findPersonByID(person.DadID);
        var mom = findPersonByID(person.MomID);
    
        var dadClass = "table_Dad";
        var momClass = "table_Mom";
    
        if (dad == blankPerson && mom != blankPerson)
            dadClass += " table_EmptyParent";
    
        if (mom == blankPerson && dad != blankPerson)
            momClass += " table_EmptyParent";
    
        var HTML = ""
                +"<tr id='tr_"+person.ID+"' class='tr_Node'>"
                    +"<th class='th_Node'>"
                        +"<div id='div_"+person.ID+"' class='divPerson'>"
                            +"<label class='lbl_NodeName'>"+person.Name+"</label>"
                            +"<label class='lbl_NodeBirthDeath'>"+getBirthDeathInfo(person)+"</label>"
                            +"</div>"
                    +"</th>"
                    +"<td id='td_parents_"+person.ID+"' class='td_Node td_Parents'>"
                        +"<table id='table_"+person.DadID+"' class='table_Node "+dadClass+"'>"
                            +"<tr id='tr_"+person.DadID+"' class='tr_Node'>"
                                +"<th class='th_Node'>"
                                    +"<div id='div_"+person.DadID+"' class='divPerson'>&nbsp;</div>"
                                +"</th>"
                            +"</tr>"
                        +"</table>"
                        +"<table id='table_"+person.MomID+"' class='table_Node "+momClass+"' style='height:50%'>"
                            +"<tr id='tr_"+person.MomID+"' class='tr_Node'>"
                                +"<th class='th_Node'>"
                                    +"<div id='div_"+person.MomID+"' class='divPerson'>&nbsp;</div>"
                                +"</th>"
                            +"</tr>"
                        +"</table>"
                    +"</td>"
                +"</tr>"
        return HTML;
    }
    // the goal here is to return "(1900-1975)"
    // but, we may get "(-1975)" or "(1900-)" or nothing at all
    // the div/label arrangement allows for either with no impact on spacing
    function getBirthDeathInfo(person)
    {
        var birthyear = getBirthYear(person);
        var deathyear = geDeathYear(person);
        var retval = birthyear+" - "+deathyear;
        if (retval == " - ")
            retval = "";
        else
            retval = "<br/>("+retval+")";
        return retval;
    }
    function getBirthYear(person)
    {
        var retval = "";
        if (person.BirthDate.length >= 4)
            retval = person.BirthDate.substr(0,4);
        return retval;
    }
    
    function geDeathYear(person)
    {
        var retval = "";
        if (person.DeathDate.length >= 4)
            retval = person.DeathDate.substr(0,4);
        return retval;
    }
    
    // add the connector between the person and the dad
    function addDadConnector(personID)
    {
        if ($('#td_parents_'+personID).length != 0)
        {
            var personTop = Number($('#div_'+personID).offset().top);
            var personHeight = Number($('#div_'+personID).outerHeight());
            var personPadding = parseInt($('#div_'+personID).css('padding-top'))+parseInt($('#div_'+personID).css('padding-bottom'));
            var personCenter = personTop + ((personHeight + personPadding) / 2) - 10;
            var dadTable = $('#td_parents_'+personID).children('.table_Node')[0];
            var dadDiv = $(dadTable).find('.divPerson')[0];
            if ($(dadDiv).length > 0)
            {
                var dadTop = Number($(dadDiv).offset().top);
                var dadHeight = Number($(dadDiv).outerHeight());
                var dadPadding = parseInt($(dadDiv).css('padding-top'))+parseInt($(dadDiv).css('padding-bottom'));
                var dadCenter = dadTop + ((dadHeight + dadPadding) / 2) - 10;
                var left = Number($(dadDiv).offset().left) - 18;
                var height = personCenter - dadCenter;
                $('#treeDiv').append("<div id='div_DadLine_"+personID+"' class='div_DadLine' style='top:"+dadCenter+"px; left:"+left+"px; height:"+height+"px;'>"
                                        +"<div class='div_DadTop'></div>"
                                        +"<div class='div_DadBottom'></div>"
                                    +"</div>");
            }
        }
    }
    
    // add the connector between the person and the mom
    function addMomConnector(personID)
    {
        if ($('#td_parents_'+personID).length != 0)
        {
            var personTop = Number($('#div_'+personID).offset().top);
            var personHeight = Number($('#div_'+personID).innerHeight());
            var personPadding = parseInt($('#div_'+personID).css('padding-top'))+parseInt($('#div_'+personID).css('padding-bottom'));
            var personCenter = personTop + ((personHeight + personPadding) / 2) - 11;
            var momTable = $('#td_parents_'+personID).children('.table_Node')[1];            
            var momDiv = $(momTable).find('.divPerson')[0];
            if ($(momDiv).length > 0)
            {
                var momTop = Number($(momDiv).offset().top);
                var momHeight = Number($(momDiv).outerHeight());
                var momPadding = parseInt($(momDiv).css('padding-top'))+parseInt($(momDiv).css('padding-bottom'));
                var momCenter = momTop + ((momHeight + momPadding) / 2) - 10;
                var left = Number($(momDiv).offset().left) - 18;
                var height = momCenter - personCenter;
                $('#treeDiv').append("<div id='div_MomLine_"+personID+"' class='div_MomLine' style='top:"+personCenter+"px; left:"+left+"px; height:"+height+"px;'>"
                                        +"<div class='div_MomTop'></div>"
                                        +"<div class='div_MomBottom'></div>"
                                    +"</div>");
            }
        }
    }
    
    // find someone who has no child
    // this actually returns the last on in the list with no child,
    // but there should be only a max of 2 and they'd be married,
    // so it doesn't really matter
    // handling siblings would bring a new level of complexity
    function findAnchorPerson()
    {
        var thisPerson = blankPerson;
        var idWithNoChild = 0;
        $.each(people,function(){
            var somePerson = this;
            var hasChild = false;
            $.each(people,function(){
                if (this.DadID == somePerson.ID || this.MomID == somePerson.ID)
                    hasChild = true;
            });
            if (hasChild == false)
                thisPerson = somePerson;
        });
        return thisPerson;
    }
    
    function findMarriage(personID)
    {
        var marriage = blankMarriage;
        $.each(marriages,function(){
            if (personID == this.HusbandID || personID == this.WifeID)
                 marriage = this;
        });
        return marriage;
    }
    
    function findPersonByID(personID)
    {
        var person = blankPerson;
        $.each(people,function(){
            if (this.ID == personID)
                person = this;
        });
        return person;
    }
    
    // this isn't in use right now, but it might be useful at some point
    function findSpouse(personID)
    {
        var spouse = blankPerson;
        $.each(marriages,function(){
            if (this.HusbandID == personID)
                spouse = findPersonByID(this.WifeID)
            else if (this.WifeID == personID)
                spouse = findPersonByID(this.HusbandID)
        });
        return spouse;
    }
    
    </script>
    

    【讨论】:

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