{"id":1018,"date":"2014-09-21T22:10:52","date_gmt":"2014-09-21T14:10:52","guid":{"rendered":"http:\/\/www.storagelab.org.cn\/zhangdi\/?p=1018"},"modified":"2014-09-21T22:10:52","modified_gmt":"2014-09-21T14:10:52","slug":"d3%e5%8f%af%e8%a7%86%e5%8c%96%e5%ae%9e%e6%88%9802%ef%bc%9a%e7%90%86%e8%a7%a3d3%e6%95%b0%e6%8d%ae%e9%a9%b1%e5%8a%a8%e7%9a%84%e7%9c%9f%e6%ad%a3%e5%90%ab%e4%b9%89","status":"publish","type":"post","link":"https:\/\/www.divis.cn\/index.php\/2014\/09\/21\/d3%e5%8f%af%e8%a7%86%e5%8c%96%e5%ae%9e%e6%88%9802%ef%bc%9a%e7%90%86%e8%a7%a3d3%e6%95%b0%e6%8d%ae%e9%a9%b1%e5%8a%a8%e7%9a%84%e7%9c%9f%e6%ad%a3%e5%90%ab%e4%b9%89\/","title":{"rendered":"d3\u53ef\u89c6\u5316\u5b9e\u621802\uff1a\u7406\u89e3d3\u6570\u636e\u9a71\u52a8\u7684\u771f\u6b63\u542b\u4e49"},"content":{"rendered":"<p>\u524d\u6587\u4e2d\u5df2\u7ecf\u63d0\u5230\uff0cSVG\u4ece\u8bde\u751f\u4e4b\u521d\u8d77\u5c31\u53ef\u4ee5\u975e\u5e38\u65b9\u4fbf\u5730\u4f7f\u7528javascript\u811a\u672c\u8bed\u8a00\u6765\u8fdb\u884c\u5176DOM\u5bf9\u8c61\u7684\u63a7\u5236\u3002\u5f53\u7136\uff0c\u63a7\u5236\u7684\u65b9\u6cd5\u6709\u5f88\u591a\uff0c\u6709\u76f4\u63a5\u63a7\u5236SVG\u5bf9\u8c61\u7684\u65b9\u6cd5\uff0c\u4f8b\u5982\u4f7f\u7528\u539f\u751fjs\uff1b\u6709\u5e2e\u4f60\u5c01\u88c5\u4e00\u4e0b\u56fe\u5f62\u63a5\u53e3\u518d\u8fdb\u884c\u76f4\u63a5\u63a7\u5236\u7684js\u7c7b\u5e93\uff0c\u5982\u00a0<a href=\"http:\/\/raphaeljs.com\/\">Rapha\u00ebl<\/a>\u3002\u4f46\u662f\u6b63\u5982\u6211\u5728<a href=\"http:\/\/www.storagelab.org.cn\/zhangdi\/2014\/08\/23\/d3%E5%8F%AF%E8%A7%86%E5%8C%96%E5%AE%9E%E6%88%9800%EF%BC%9Ad3%E7%9A%84%E4%BD%BF%E7%94%A8%E5%BF%83%E5%BE%97%E5%92%8C%E5%AD%A6%E4%B9%A0%E8%B5%84%E6%96%99%E6%B1%87%E6%80%BB\/\">\u7b2c\u4e00\u7bc7\u6587\u7ae0<\/a>\u4e2d\u6240\u8bf4\uff0cd3\u4f5c\u4e3a\u4e00\u4e2a\u4e2d\u95f4\u578b\u7c7b\u5e93\u8fd8\u80fd\u8131\u9896\u800c\u51fa\u7684\u91cd\u8981\u539f\u56e0\uff0c\u5728\u4e8e\u5b83\u7a81\u7834\u4e86\u5176\u4ed6\u7c7b\u5e93\u7684\u90a3\u79cd\u76f4\u63a5\u63a7\u5236\u8868\u73b0\u5c42\u7684\u673a\u5236\uff0c\u800c\u91c7\u7528\u4e86\u5bf9\u4e8eweb\u56fe\u5f62\u5904\u7406\u9886\u57df\u8f83\u4e3a\u65b0\u9896\u7684\u6570\u636e\u9a71\u52a8\u673a\u5236\uff082011\uff09\uff0c\u5e76\u83b7\u5f97\u4e86\u6781\u5927\u7684\u6210\u529f\u3002<\/p>\n<h2>\u6570\u636e\u9a71\u52a8\u7684\u5386\u53f2<\/h2>\n<p>\u6570\u636e\u9a71\u52a8\u7f16\u7a0b\u5e76\u4e0d\u662f\u4e00\u4e2a\u65b0\u9c9c\u73a9\u610f\uff0c\u5728\u8001\u4e66\u300aUnix\u7f16\u7a0b\u827a\u672f\u300b\u4e2d\uff0c\u4f5c\u8005\u5728\u4ecb\u7ecdUnix\u8bbe\u8ba1\u539f\u5219\u65f6\uff0c\u5176\u4e2d\u6709\u4e00\u6761\u4e3a\u201c<strong>\u8868\u793a\u539f\u5219\uff1a\u628a\u77e5\u8bc6\u53e0\u5165\u6570\u636e\u4ee5\u6c42\u903b\u8f91\u8d28\u6734\u800c\u5065\u58ee<\/strong>\u201d\u3002\u5176\u6838\u5fc3\u51fa\u53d1\u70b9\u662f\u76f8\u5bf9\u4e8e\u7a0b\u5e8f\u903b\u8f91\uff0c\u4eba\u7c7b\u66f4\u64c5\u957f\u4e8e\u5904\u7406\u6570\u636e\u3002\u6570\u636e\u6bd4\u7a0b\u5e8f\u903b\u8f91\u66f4\u5bb9\u6613\u9a7e\u9a6d\uff0c\u6240\u4ee5\u6211\u4eec\u5e94\u8be5\u5c3d\u53ef\u80fd\u7684\u5c06\u8bbe\u8ba1\u7684\u590d\u6742\u5ea6\u4ece\u7a0b\u5e8f\u4ee3\u7801\u8f6c\u79fb\u81f3\u6570\u636e\u3002\u8fd9\u6761\u539f\u5219\u65e9\u572870\u5e74\u4ee3\u7684\u8f6f\u4ef6\u5371\u673a\u4e2d\u5c31\u5f97\u5230\u4e86\u5370\u8bc1\uff1a\u51e1\u662f\u6267\u7740\u4e8e\u903b\u8f91\u5b9e\u73b0\u7684\u4ee3\u7801\u6700\u7ec8\u90fd\u96be\u4ee5\u7ef4\u62a4\uff0c\u800c\u5c06\u903b\u8f91\u53d8\u5316\u6c89\u6dc0\u5230\u6570\u636e\u96c6\u4e2d\u7684\u7a0b\u5e8f\uff0c\u5219\u6491\u8fc7\u4e86\u65f6\u95f4\u7684\u68c0\u9a8c\u3002\u5728web\u5f00\u53d1\u9886\u57df\u6d41\u884c20\u591a\u5e74\u7684MVC\u67b6\u6784\uff0c\u6838\u5fc3\u4e5f\u662f\u5c06\u6570\u636e\u3001\u8868\u73b0\u3001\u64cd\u4f5c\u5206\u79bb\u4ece\u800c\u964d\u4f4e\u7a0b\u5e8f\u590d\u6742\u5ea6\u3002JAVA\u793e\u533a\u591a\u5e74\u6765\u5c31\u7a0b\u5e8f\u8bbe\u8ba1\u9886\u57df\u7684\u8ba8\u8bba\uff0c\u7ffb\u6765\u8986\u53bb\u4e5f\u79bb\u4e0d\u5f00\u6570\u636e\u9a71\u52a8\u8fd9\u4e2a\u539f\u5219\u3002<\/p>\n<p>\u7136\u800c\uff0cweb\u524d\u7aef\uff0c\u5c24\u5176\u662f\u56fe\u5f62\u56fe\u50cf\u5904\u7406\u9886\u57df\uff0c\u957f\u671f\u4ee5\u6765\u4eba\u4eec\u7684\u5173\u6ce8\u70b9\u96c6\u4e2d\u5728\u56fe\u5f62\u6e32\u67d3API\uff0c\u8bbe\u8ba1\u8bf8\u5982var circle = paper.circle(50, 40 ,10)\u8fd9\u6837\u7684\u56fe\u5f62\u5448\u73b0\u63a5\u53e3\u3002\u5bf9\u56fe\u5f62\u5143\u7d20\u7684\u4f7f\u7528\uff0c\u4e5f\u957f\u671f\u505c\u7559\u5728\u4f7f\u7528\u7a0b\u5e8f\u76f4\u63a5\u63a7\u5236\u7684\u72b6\u6001\u3002\u5f53\u7136\uff0c\u5982\u679c\u4ea4\u4e92\u903b\u8f91\u5c11\uff0c\u5373\u4f7f\u56fe\u5f62\u7565\u5fae\u590d\u6742\uff0c\u8fd9\u4e48\u505a\u5e76\u975e\u4e0d\u53ef\u4ee5\u3002\u4f46\u662f\u5728\u521b\u9020\u4ea4\u4e92\u903b\u8f91\u590d\u6742\u7684\u6570\u636e\u53ef\u89c6\u5316\u9879\u76ee\u65f6\uff0c\u8fd9\u79cd\u505a\u6cd5\u7684\u4ee3\u7801\u590d\u6742\u5ea6\u4f1a\u968f\u7740\u4ea4\u4e92\u903b\u8f91\u7684\u89c4\u6a21\u6307\u6570\u4e0a\u5347\uff0c\u5e76\u5e26\u6765\u8bb8\u591a\u610f\u6599\u4e4b\u5916\u7684\u7a0b\u5e8f\u51b2\u7a81\u2014\u2014\u8fd9\u4e00\u5207\u4e0eMVC\u4e4b\u524d\u7684web\u5f00\u53d1\u9886\u57df\u6216\u800570\u5e74\u4ee3\u7684\u8f6f\u4ef6\u5371\u673a\u539f\u56e0\u5982\u51fa\u4e00\u8f99\u3002\u6709\u8bc6\u4e4b\u58eb\u5f88\u65e9\u5c31\u610f\u6599\u5230\u8fd9\u79cd\u95ee\u9898\uff0c\u4e8e\u662f\u5728web\u7aef\u56fe\u5f62\u5904\u7406\u7684\u57fa\u7840\u6e32\u67d3\u6280\u672f\u5df2\u7ecf\u6e10\u6e10\u5b8c\u5584\u76842011\u5e74\uff0cD3js\u8bde\u751f\uff0c\u5e76\u8fc5\u901f\u5728\u6570\u636e\u53ef\u89c6\u5316\u9886\u57df\u548cweb\u56fe\u5f62\u6e32\u67d3\u9886\u57df\u6380\u8d77\u4e86\u65cb\u98ce\u3002<\/p>\n<h2>\u5bf9D3\u6570\u636e\u8f6c\u6362\u7684\u7406\u89e3<\/h2>\n<p>\u7528<a href=\"http:\/\/d3js.org\/\">\u5b98\u7f51<\/a>\u4e0a\u7684\u539f\u6587\u8bf4\uff0c\u5b83\u6ce8\u91cd\u7684\u662f\u662f\u8f6c\u5316\u800c\u4e0d\u662f\u8868\u73b0\uff08Transformation, not Representation\uff09\u3002d3\u4e0d\u662f\u4e00\u4e2a\u65b0\u7684\u56fe\u5f62\u5448\u73b0\u7c7b\u5e93\u3002\u4e0d\u50cf\u00a0<a href=\"http:\/\/processing.org\/\">Processing<\/a>,\u00a0<a href=\"http:\/\/raphaeljs.com\/\">Rapha\u00ebl<\/a>, \u6216\u8005\u00a0<a href=\"http:\/\/vis.stanford.edu\/protovis\/\">Protovis<\/a>\u8fd9\u7c7b\u7c7b\u5e93\uff0cD3\u4e0d\u6ce8\u91cd\u5bf9\u56fe\u5f62\u5448\u73b0\u63a5\u53e3\u7684\u5c01\u88c5\uff0c\u800c\u662f\u4f7f\u7528web\u6807\u51c6\u7684HTML, SVG\u548cCSS\u6765\u5904\u7406\u8868\u73b0\u5c42\u3002\u8fd9\u610f\u5473\u7740\u5982\u679c\u54ea\u4e00\u5929\u6d4f\u89c8\u5668\u652f\u6301\u4e86\u65b0\u7684\u56fe\u5f62\u6e32\u67d3\u7279\u6027\uff0c\u90a3\u4e48\u4f60\u5c31\u53ef\u4ee5\u7acb\u5373\u7528\u4e0a\uff0c\u800c\u4e0d\u9700\u8981\u5728\u4ee3\u7801\u5c42\u6709\u4ec0\u4e48\u7279\u6b8a\u7684\u4fee\u6539\u3002D3\u5c06\u91cd\u70b9\u653e\u5728\u4e86\u6570\u636e\u4e0e\u56fe\u5f62\u4e4b\u95f4\u7684\u7ed1\u5b9a\u4e0a\u3002\u6570\u636e\u4e00\u822c\u662fjson\u683c\u5f0f\u7684\u5bf9\u8c61\uff0c\u4e5f\u53ef\u4ee5\u662fxml\uff1b\u800c\u56fe\u5f62\u4e0d\u4ec5\u5305\u62ecSVG\u5bf9\u8c61\uff0c\u4e5f\u53ef\u4ee5\u662fhtml\u5bf9\u8c61\uff0c\u6216\u8005\u5176\u4ed6\u6d4f\u89c8\u5668\u6240\u652f\u6301\u7684\u56fe\u5f62\u5bf9\u8c61\u3002\u603b\u4e4b\uff0c\u540c\u4e00\u7ec4\u6570\u636e\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528D3\u6765\u521b\u5efa\u4e00\u4e2aHTML table\uff0c\u4e5f\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2aSVG\u67f1\u72b6\u56fe\u3002<\/p>\n<p>\u90a3\u4e48\uff0cD3\u662f\u5982\u4f55\u5c06\u6570\u636e\u4e0eDOM\u8282\u70b9\u4e4b\u95f4\u7ed1\u5b9a\u7684\u5462\uff1f<\/p>\n<p>\u7b2c\u4e00\u6b65\uff0c\u662f\u8981\u9009\u4e2dDOM\u5bf9\u8c61\u4ee5\u6784\u5efa\u9009\u62e9\u533a\uff08selection\uff09\u3002 \u9009\u4e2dDOM\u5bf9\u8c61\u7684\u65b9\u5f0f\u8ddfJquery\u5982\u51fa\u4e00\u8f99\uff0c\u90fd\u662f\u4f7f\u7528\u7c7b\u4f3cCSS\u9009\u62e9\u5668\u7684\u8bed\u6cd5\uff0c\u4f8b\u5982\u9009\u4e2d\u4e00\u7ec4css\u7c7b\u540d\u4e3amy-node\u7684div\u8282\u70b9\u5e76\u4f7f\u4e4b\u6587\u5b57\u4e3a\u767d\u8272\uff1a<\/p>\n<pre><code>d3.selectAll(\"div.my-node\").style(\"color\", \"white\");<\/code><\/pre>\n<p>&nbsp;<\/p>\n<p>\u7b2c\u4e8c\u6b65\uff0c\u5c31\u662f\u5c06\u6570\u636e\u96c6\u7ed1\u5b9a\u5230\u9009\u62e9\u533a\uff08selection\uff09\u7684DOM\u5bf9\u8c61\u4e0a\u3002D3\u7684\u63d0\u4f9b\u4e00\u4e2a\u5341\u5206\u6709\u7528\u7684data\u51fd\u6570\uff0c\u7528\u4ee5\u8fdb\u884c\u6570\u636e\u5bf9\u8c61\u5e8f\u5217\u5316\u548c\u53ef\u80fd\u7684\u9884\u5904\u7406\u5de5\u4f5c\uff08<a href=\"https:\/\/github.com\/mbostock\/d3\/wiki\/Selections#data\">\u8be6\u89c1API<\/a>\uff09\uff0c\u5e76\u4e14\u5b83\u4f1a\u628a\u96c6\u5408\u5143\u7d20\u4e00\u4e2a\u4e00\u4e2a\u8fd4\u56de\u7528\u4ee5\u8fdb\u884c\u4e0b\u4e00\u6b65\u5904\u7406\u3002\u4f8b\u5982\u4e0b\u9762\u8fd9\u4e2a\u4f8b\u5b50\uff1a<\/p>\n<pre><code>d3.selectAll(\"p\")\n    .data([4, 8, 15, 16, 23, 42])\n    .style(\"font-size\", function(d) { return d + \"px\"; });<\/code><\/pre>\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u9009\u62e9\u533a\uff08selection\uff09\u4e2d\u7684\u6bcf\u4e2aP\u6807\u7b7e\u90fd\u4e0e\u6570\u636e\u4e2d\u7684\u4e00\u4e2a\u6570\u5b57\u6309\u987a\u5e8f\u4e00\u4e00\u5bf9\u5e94\u5730\u7ed1\u5b9a\u8d77\u6765\uff08\u6211\u4eec\u5047\u8bbeP\u6807\u7b7e\u7684\u4e2a\u6570\u4e0e\u6570\u7ec4\u957f\u5ea6\u76f8\u7b49\uff09\u3002\u8fd9\u6837\u6700\u540e\u56de\u8c03\u51fd\u6570\u4e2d\uff0c\u5c31\u53ef\u4ee5\u53d6\u56de\u88ab\u7ed1\u5b9a\u7684\u6570\u636e\uff0c\u4ece\u800c\u52a8\u6001\u5730\u8ba1\u7b97\u6bcf\u4e2aP\u6807\u7b7e\u4e2d\u6587\u5b57\u5927\u5c0f\u3002\u719f\u6089jquery\u6216\u8005prototype\u7c7b\u5e93\u7684\u7a0b\u5e8f\u5458\u90fd\u80fd\u5f88\u5bb9\u6613\u5730\u53d1\u73b0\u4ed6\u4eec\u4e4b\u95f4\u7684\u5171\u76f8\u4f3c\u4e4b\u5904\uff0c\u5c24\u5176\u662f\u901a\u8fc7\u56de\u8c03\u51fd\u6570\u7684\u65b9\u5f0f\u6765\u5b9e\u73b0\u5bf9\u4e00\u4e2a\u96c6\u5408\u4e2d\u6bcf\u4e2a\u5143\u7d20\u8fdb\u884c\u64cd\u4f5c\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u4e0a\u9762\u8fd9\u4e2a\u4f8b\u5b50\u770b\u8d77\u6765\u5f88\u7b80\u5355\u5f88\u5bb9\u6613\u7406\u89e3\u3002\u4f46\u662f\u5176\u4e2d\u5f71\u85cf\u4e00\u4e2a\u91cd\u5927\u7684\u95ee\u9898\uff0c\u5c31\u662f\u6570\u636e\u96c6\u662f\u7ecf\u5e38\u53d8\u5316\u7684\uff0c\u4e00\u65e6\u53d8\u5316\uff0c\u90a3\u4e48\u6570\u636e\u96c6\u4e2d\u7684\u6bcf\u4e2a\u6570\u636e\u5bf9\u8c61\u548c\u9009\u62e9\u533a\uff08selection\uff09\u4e2d\u7684DOM\u5bf9\u8c61\u4e0d\u518d\u4e00\u4e00\u5bf9\u5e94\u4e86\uff0c\u90a3\u4e48\u591a\u4f59\u7684\u6570\u636e\u6216\u8005\u591a\u4f59\u7684dom\u5bf9\u8c61\u8be5\u600e\u4e48\u5904\u7406\u5462\uff1f<\/p>\n<p>\u4e3a\u6b64\uff0cD3\u4e13\u95e8\u63d0\u4f9b\u4e86\u4e00\u4e2aenter, update, exit\u4e09\u4e2a\u884c\u4e3a\u7684\u6570\u636e\u96c6\u5408(data)\u4e0e\u9009\u62e9\u533a\uff08selection\uff09\u7ed1\u5b9a\u7684\u673a\u5236\u3002\u8981\u7406\u89e3\u8fd9\u4e2a\u673a\u5236\uff0c\u6700\u597d\u8fd8\u662f\u5f97\u770b\u56fe\u770b\u4f8b\u5b50\uff0c\u8981\u4e0d\u7136\u4e0d\u5bb9\u6613\u7406\u89e3\u3002\u8fd9\u6709\u4e00\u4e2ad3\u7684\u7b80\u5355\u6559\u7a0b\u53ef\u4ee5<a href=\"http:\/\/www.raychase.net\/wp-content\/uploads\/2012\/11\/d3.zip\">\u4e0b\u8f7d<\/a>\u3002\u4e0b\u9762\u8fd9\u4e2a\u56fe\u5c31\u662f\u4ece\u8be5\u6559\u7a0b\u4e2d\u6458\u51fa\u7684D3\u6570\u636e\u7ed1\u5b9a\u673a\u5236\u793a\u610f\u56fe\uff0c\u5176\u89e3\u91ca\u5982\u4e0b\uff1a<\/p>\n<p><a href=\"http:\/\/www.raychase.net\/wp-content\/uploads\/2012\/10\/data_join.png\"><img decoding=\"async\" alt=\"D3\u4ecb\u7ecd\" src=\"http:\/\/www.raychase.net\/wp-content\/uploads\/2012\/10\/data_join_thumb.png\" \/><\/a><\/p>\n<ol>\n<li>\u6570\u636e\u96c6\uff08data\uff09\u548c\u9009\u62e9\u533a\uff08selection\uff09\u4e2d\u7684\u5bf9\u8c61\u5e94\u8be5\u662f\u4e00\u4e00\u5bf9\u5e94\u5730\u7ed1\u5b9a\u7684\u3002\u7ed1\u5b9a\u7684\u6570\u636e\uff0c\u4e00\u65e6\u53d1\u751f\u53d8\u5316\u90fd\u4f1a\u53cd\u6620\u7ed9\u5bf9\u5e94\u7684dom\u5bf9\u8c61\uff0c\u8fd9\u53eb\u505aupdate\u8fc7\u7a0b\u3002<\/li>\n<li>\u5982\u679c\u6570\u636e\u6570\u91cf\u5927\u4e8e\u8282\u70b9\u7684\u6570\u91cf\uff0c\u90a3\u4e48\u6709\u4e00\u90e8\u5206\u6570\u636e\u653e\u4e0d\u4e0b\u4e86\uff0c\u5c06\u4ea7\u751fenter\u8fc7\u7a0b\u3002<\/li>\n<li>\u53cd\u4e4b\uff0c\u5982\u679c\u6570\u636e\u4ece\u8282\u70b9\u4e2d\u53d6\u51fa\u6765\uff0c\u5bfc\u81f4\u8282\u70b9\u7a7a\u95f2\uff0c\u8fd9\u5c31\u53d1\u751fexit\u7684\u8fc7\u7a0b\u3002<\/li>\n<\/ol>\n<p>\u4ee5\u4e0aupdate, enter, exit\u4e09\u4e2a\u8fc7\u7a0b\uff0c\u4f60\u90fd\u53ef\u4ee5\u8fdb\u884c\u4e00\u7cfb\u5217\u81ea\u5df1\u7279\u522b\u5b9a\u5236\u3002\u4f8b\u5982,\u901a\u8fc7ajax\u83b7\u53d6\u6570\u636e\uff0c\u521d\u59cb\u5316\u56fe\u5f62\u65f6\uff0c\u4f60\u53ef\u4ee5\u901a\u8fc7\u5b9a\u5236enter\u8fc7\u7a0b\u6765\u5b9e\u73b0\u6e10\u53d8\u5730\u663e\u793a\u56fe\u5f62\uff1b\u5728\u7528\u6237\u70b9\u51fb\u4e00\u4e2a\u56fe\u5f62\u5bf9\u8c61\u65f6\uff0c\u901a\u8fc7\u6539\u53d8\u8be5\u56fe\u5f62\u5bf9\u8c61\u6240\u5bf9\u5e94\u7684\u6570\u636e\u6570\u503c\uff0c\u7136\u540e\u901a\u8fc7update\u8fc7\u7a0b\u6765\u540c\u65f6\u4fee\u6539\u56fe\u5f62\u5bf9\u8c61\uff1b\u5f53\u8981\u5220\u9664\u67d0\u4e2a\u56fe\u5f62\u5bf9\u8c61\u65f6\uff0c\u89e6\u53d1exit\u8fc7\u7a0b\uff0c\u6765\u5b9e\u73b0\u6e10\u9690\u7684\u6548\u679c\u3002\u4e8e\u662f\uff0c\u6211\u4eec\u770b\u5230github\u4e0a\u5927\u91cfd3\u4f8b\u5b50\u7684\u4ee3\u7801\uff0c\u90fd\u7c7b\u4f3c\u5982\u4e0b\u5206\u6210\u4e09\u5927\u5757\uff1aupdate, enter, exit&#8230;<\/p>\n<pre>\/\/ Update\u2026\nvar p = d3.select(\"body\").selectAll(\"p\")\n    .data([4, 8, 15, 16, 23, 42])\n    .text(String);\n\n\/\/ Enter\u2026\np.enter().append(\"p\")\n    .text(String);\n\n\/\/ Exit\u2026\np.exit().remove();<\/pre>\n<p>\u591a\u8bf4\u65e0\u7528\uff0c\u6211\u4eec\u8fd8\u662f\u6765\u770b\u5177\u4f53\u7684\u4ee3\u7801\u5427\u3002<strong>\u6211\u6839\u636e\u4e0a\u6587\u63d0\u5230\u7684\u6559\u7a0b\u4e2d\u7684\u6848\u4f8b\u521b\u5efa\u4e86\u4e00\u4e2a\u5728\u7ebf\u7684\u4f8b\u5b50\uff1ahttp:\/\/runjs.cn\/detail\/8enw0npq\uff0c\u5728\u8fd9\u91cc\u5927\u5bb6\u53ef\u4ee5\u76f4\u63a5\u770b\u5230\u4ee3\u7801\uff0c\u6211\u8fd9\u91cc\u5c31\u4e0d\u8d58\u8ff0\u4e86\u3002\u5927\u5bb6\u53ef\u4ee5\u770b\u770bd3\u7684\u6570\u636e\u7ed1\u5b9a\u673a\u5236\u7a76\u7adf\u5982\u4f55\uff0center, update, exit\u8fc7\u7a0b\u90fd\u662f\u600e\u4e48\u5de5\u4f5c\u7684\u3002<\/strong><\/p>\n<p>&lt;iframe style=&#8221;width: 100%; height: 300px&#8221; src=&#8221;http:\/\/sandbox.runjs.cn\/show\/8enw0npq&#8221; allowfullscreen=&#8221;allowfullscreen&#8221; frameborder=&#8221;0&#8243;&gt;&lt;\/iframe&gt;<\/p>\n<p><a href=\"http:\/\/www.raychase.net\/wp-content\/uploads\/2012\/10\/image2.png\"><img decoding=\"async\" alt=\"D3\u4ecb\u7ecd\" src=\"http:\/\/www.raychase.net\/wp-content\/uploads\/2012\/10\/image_thumb2.png\" \/><\/a><\/p>\n<h2>\u53cd\u601d\u5b66\u4e60\u5386\u7a0b<\/h2>\n<p>\u5c31\u6211\u7684\u9762\u8bd5\u7ecf\u9a8c\uff0c\u56fd\u5185\u7684\u524d\u7aef\u7a0b\u5e8f\u5458\u5927\u591a\u6570\u90fd\u662f\u4ecejquery\u5f00\u59cb\u5b66javascript\u7684\u3002\u90a3\u4e48\u60f3\u5fc5\u770b\u5b8c\u4e0a\u9762\u7684\u4ee3\u7801\uff0c\u5927\u5bb6\u90fd\u4f1a\u89c9\u5f97\u8ddfjquery\u975e\u5e38\u50cf\uff0c\u94fe\u5f0f\u7f16\u7a0b\u7684\u98ce\u683c\uff0c\u56de\u8c03\u51fd\u6570\uff0c\u5f88\u5bb9\u6613\u7406\u89e3\u3002<\/p>\n<p>\u4f46\u4e3a\u4ec0\u4e48\u8fd8\u8bf4D3\u7684\u5b66\u4e60\u66f2\u7ebf\u6bd4\u8f83\u9ad8\u5462\uff1f\u8fd9\u662f\u56e0\u4e3a\u4e00\u822c\u53ea\u770b\u5b8c\u4e00\u4e24\u4e2agithub\u4e0a\u7684D3 demo\uff0c\u6ca1\u6709\u4e13\u95e8\u7684\u8bb2\u89e3\uff0c\u666e\u901a\u7a0b\u5e8f\u5458\u8fd8\u662f\u96be\u4ee5\u5f7b\u5e95\u7406\u89e3D3\u7684\u90a3\u79cd\u4ee5\u6570\u636e\uff08\u4ee5\u53ca\u5bb9\u7eb3\u6570\u636e\u7684\u5bb9\u5668\uff09\u4e3a\u6838\u5fc3\u7684\u601d\u8def\u3002\u81f3\u5c11\u6211\u5f53\u521d\u5c31\u6ca1\u4e00\u4e0b\u5b50\u641e\u660e\u767d\u4e3a\u4ec0\u4e48\u8981\u641eupdate, enter, exit\u8fd9\u4e48\u4e09\u4e2a\u8fc7\u7a0b\u3002\u8fd9\u662f\u56e0\u4e3a\u5e38\u89c4\u7684\u601d\u7ef4\uff0c\u5bf9\u4e8e\u56fe\u5f62\u64cd\u4f5c\uff0c\u9996\u5148\u90fd\u628a\u6ce8\u610f\u529b\u96c6\u4e2d\u5728\u56fe\u5f62\u672c\u8eab\u4e0a\u3002\u4f8b\u5982\uff0c\u4e00\u4e2a\u901a\u5e38\u7684jquery\u7a0b\u5e8f\u5458\uff0c\u9047\u5230\u4e00\u4e2a\u9700\u6c42\uff1a\u5728\u70b9\u51fb\u4e00\u4e2a\u56fe\u5f62\u540e\u5c06\u56fe\u5f62\u53d8\u5927\u4e00\u500d\u540c\u65f6\u628a\u6570\u636e\u66f4\u65b0\u4e3a\u539f\u6765\u76842\u500d\u3002\u4ed6\u901a\u5e38\u90fd\u662f\u8fd9\u4e48\u6784\u601d\u6574\u4e2a\u6d41\u7a0b\u7684\uff1a\u5148\u9009\u4e2d\u56fe\u5f62\u5bf9\u8c61\uff0c\u6539\u53d8\u56fe\u5f62\uff0c\u7136\u540e\u66f4\u65b0\u6570\u636e\uff08\u6216\u8005\u5148\u66f4\u65b0\u6570\u636e\u518d\u6539\u53d8\u56fe\u5f62\uff09\u3002\u867d\u7136\u8fd9\u6837\u60f3\u903b\u8f91\u5f88\u7b80\u5355\uff0c\u4f46\u8fd9\u6837\u505a\u65e0\u7591\u5c06\u6570\u636e\u548c\u56fe\u5f62\u5b64\u7acb\u4e86\u8d77\u6765\u3002\u5982\u679c\u8fd9\u4e2a\u56fe\u5f62\u8fd8\u7ed1\u5b9a\u4e86\u5f88\u591a\u522b\u7684\u4ea4\u4e92\uff0c\u6570\u636e\u96c6\u53c8\u5f88\u590d\u6742\uff0c\u90a3\u4e48\u5c31\u4f1a\u7ecf\u5e38\u9047\u5230\u987e\u5934\u4e0d\u987e\u815a\u7684\u7ef4\u62a4\u96be\u9898\u3002<span style=\"font-size: 16px\">D3\u5904\u7406\u4ea4\u4e92\u903b\u8f91\u65f6\uff0c\u901a\u5e38\u662f\u5148\u901a\u8fc7\u56fe\u5f62\u5bf9\u8c61\u627e\u5230\u6570\u636e\uff0c\u4e4b\u540e\u6539\u53d8\u6570\u636e\uff0c\u6700\u540e\u518dupdate\u66f4\u65b0\u56fe\u5f62\u5bf9\u8c61\u3002\u4f3c\u4e4e\u8f6c\u4e86\u4e00\u4e2a\u5708\u624d\u6700\u540e\u8fd4\u56de\u5230\u56fe\u5f62\u672c\u8eab\uff0c\u6bd4\u8d77\u76f4\u63a5\u64cd\u4f5c\u56fe\u5f62\u8981\u9ebb\u70e6\u3002\u4f46\u662f\u8fd9\u91cc\u624d\u662fD3\u7684\u7cbe\u534e\u6240\u5728\u3002\u53ea\u6709\u628a\u590d\u6742\u903b\u8f91\u6c89\u6dc0\u5230\u6570\u636e\u4e0a\uff0c\u624d\u80fd\u5728\u590d\u6742\u4ea4\u4e92\u7684\u60c5\u51b5\u4e0b\u4fdd\u6301\u4ee3\u7801\u7684\u6e05\u6670\u6027\u3002<\/span><\/p>\n<p><span style=\"font-size: 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