{"id":134829,"date":"2024-03-26T09:18:40","date_gmt":"2024-03-26T00:18:40","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%82%b0%e3%83%a9%e3%83%95%e3%82%a3%e3%83%83%e3%82%af%e3%83%a9%e3%82%a4%e3%83%96%e3%83%a9%e3%83%aajfreechart%e3%81%ae%e5%88%9d%e7%b4%9a%e5%90%91%e3%81%91%e5%be%b9%e5%ba%95%e8%a7%a3%e8%aa%ac\/"},"modified":"2024-04-04T12:36:40","modified_gmt":"2024-04-04T03:36:40","slug":"java%e3%82%b0%e3%83%a9%e3%83%95%e3%82%a3%e3%83%83%e3%82%af%e3%83%a9%e3%82%a4%e3%83%96%e3%83%a9%e3%83%aajfreechart%e3%81%ae%e5%88%9d%e7%b4%9a%e5%90%91%e3%81%91%e5%be%b9%e5%ba%95%e8%a7%a3%e8%aa%ac","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%82%b0%e3%83%a9%e3%83%95%e3%82%a3%e3%83%83%e3%82%af%e3%83%a9%e3%82%a4%e3%83%96%e3%83%a9%e3%83%aajfreechart%e3%81%ae%e5%88%9d%e7%b4%9a%e5%90%91%e3%81%91%e5%be%b9%e5%ba%95%e8%a7%a3%e8%aa%ac\/","title":{"rendered":"Java\u30b0\u30e9\u30d5\u30a3\u30c3\u30af\u30e9\u30a4\u30d6\u30e9\u30eaJFreeChart\u306e\u521d\u7d1a\u5411\u3051\u5fb9\u5e95\u89e3\u8aac"},"content":{"rendered":"

JFreeChart\u306f\u30b0\u30e9\u30d5\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306eJava\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3001\u8c4a\u5bcc\u306a\u6a5f\u80fd\u3068\u67d4\u8edf\u306a\u8a2d\u5b9a\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u4ee5\u4e0b\u306fJFreeChart\u3092\u7c21\u5358\u306b\u4f7f\u3048\u308b\u5165\u9580\u30ac\u30a4\u30c9\u3067\u3059\u3002<\/p>\n

    \n
  1. JFreeChart\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\uff1a\u6700\u521d\u306bJFreeChart\u306ejar\u30d5\u30a1\u30a4\u30eb\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u3001Java\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306eclasspath\u306b\u8ffd\u52a0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u6700\u65b0\u306e\u30d0\u30fc\u30b7\u30e7\u30f3\u306f\u3001JFreeChart\u516c\u5f0f\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u304b\u3089\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3067\u304d\u307e\u3059\u3002<\/li>\n
  2. \u57fa\u672c\u7684\u306a\u30b0\u30e9\u30d5\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306e\u30b3\u30fc\u30c9\u4f8b: DefaultCategoryDataset\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u3001\u30b0\u30e9\u30d5\u306e\u30c7\u30fc\u30bf\u3092\u683c\u7d0d\u3057\u307e\u3059\u3002\u7d9a\u3044\u3066\u3001ChartFactory\u30af\u30e9\u30b9\u306ecreateBarChart\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001\u68d2\u30b0\u30e9\u30d5\u306e\u57fa\u672c\u7684\u306a\u30b0\u30e9\u30d5\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n
    DefaultCategoryDataset<\/span> dataset<\/span> =<\/span> new<\/span> DefaultCategoryDataset<\/span>();\r\ndataset.addValue(100<\/span>, \"Category 1\"<\/span>, \"Value 1\"<\/span>);\r\ndataset.addValue(200<\/span>, \"Category 1\"<\/span>, \"Value 2\"<\/span>);\r\ndataset.addValue(300<\/span>, \"Category 1\"<\/span>, \"Value 3\"<\/span>);\r\ndataset.addValue(400<\/span>, \"Category 2\"<\/span>, \"Value 1\"<\/span>);\r\ndataset.addValue(500<\/span>, \"Category 2\"<\/span>, \"Value 2\"<\/span>);\r\ndataset.addValue(600<\/span>, \"Category 2\"<\/span>, \"Value 3\"<\/span>);\r\nJFreeChart<\/span> chart<\/span> =<\/span> ChartFactory.createBarChart(\r\n\"Bar Chart Demo\"<\/span>, \/\/ \u56fe\u8868\u6807\u9898<\/span>\r\n\"Category\"<\/span>, \/\/ X\u8f74\u6807\u7b7e<\/span>\r\n\"Value\"<\/span>, \/\/ Y\u8f74\u6807\u7b7e<\/span>\r\ndataset, \/\/ \u6570\u636e\u96c6<\/span>\r\nPlotOrientation.VERTICAL, \/\/ \u56fe\u8868\u65b9\u5411<\/span>\r\ntrue<\/span>, \/\/ \u662f\u5426\u663e\u793a\u56fe\u4f8b<\/span>\r\ntrue<\/span>, \/\/ \u662f\u5426\u751f\u6210\u5de5\u5177\u63d0\u793a<\/span>\r\nfalse<\/span> \/\/ \u662f\u5426\u751f\u6210URL\u94fe\u63a5<\/span>\r\n);\r\n<\/code><\/pre>\n
      \n
    1. ChartPanel<\/li>\n
    2. \u30c1\u30e3\u30fc\u30c8<\/li>\n
    3. \u30c1\u30e3\u30fc\u30c8\u30d1\u30cd\u30eb<\/li>\n
    4. \u30c1\u30e3\u30fc\u30c8\u30d1\u30cd\u30eb<\/li>\n<\/ol>\n
      ChartPanel<\/span> chartPanel<\/span> =<\/span> new<\/span> ChartPanel<\/span>(chart);\r\nchartPanel.setPreferredSize(new<\/span> java<\/span>.awt.Dimension(500<\/span>, 300<\/span>));\r\n\/\/ \u5c06chartPanel\u6dfb\u52a0\u5230\u4f60\u7684\u5e94\u7528\u7a0b\u5e8f\u754c\u9762\u7684\u67d0\u4e2a\u5bb9\u5668\u4e2d<\/span>\r\n<\/code><\/pre>\n
        \n
      1. \u30c1\u30e3\u30fc\u30c8\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3<\/li>\n
      2. \u30c1\u30e3\u30fc\u30c8\u3092PNG\u3068\u3057\u3066\u4fdd\u5b58<\/li>\n
      3. \u30c1\u30e3\u30fc\u30c8\u3092 JPEG \u3068\u3057\u3066\u4fdd\u5b58<\/li>\n<\/ol>\n
        ChartUtilities.saveChartAsPNG(new<\/span> File<\/span>(\"chart.png\"<\/span>), chart, 500<\/span>, 300<\/span>);\r\n<\/code><\/pre>\n
        \u3053\u308c\u306f\u3001JFreeChart \u306e\u4f7f\u7528\u306b\u95a2\u3059\u308b\u30b7\u30f3\u30d7\u30eb\u306a\u57fa\u790e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u3059\u3002JFreeChart \u306e\u6a5f\u80fd\u3084\u69cb\u6210\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u5229\u7528\u3057\u3066\u3001\u305d\u308c\u4ee5\u4e0a\u306e\u8907\u96d1\u3055\u3068\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u6027\u3092\u5099\u3048\u305f\u72ec\u81ea\u306e\u30b0\u30e9\u30d5\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002JFreeChart \u306e\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3068\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u8abf\u3079\u3066\u3001\u3055\u3089\u306b\u8a73\u3057\u3044\u60c5\u5831\u3084\u30ac\u30a4\u30c0\u30f3\u30b9\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
        JFreeChart\u306f\u30b0\u30e9\u30d5\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306eJava\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3001\u8c4a\u5bcc\u306a\u6a5f\u80fd\u3068\u67d4\u8edf\u306a\u8a2d\u5b9a\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u4ee5\u4e0b\u306fJFreeChart\u3092\u7c21\u5358\u306b\u4f7f\u3048\u308b\u5165\u9580\u30ac\u30a4\u30c9\u3067\u3059\u3002 JFreeChart\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u30c0\u30a6\u30f3\u30ed […]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-134829","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nJava\u30b0\u30e9\u30d5\u30a3\u30c3\u30af\u30e9\u30a4\u30d6\u30e9\u30eaJFreeChart\u306e\u521d\u7d1a\u5411\u3051\u5fb9\u5e95\u89e3\u8aac - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/ja\/blog\/java\u30b0\u30e9\u30d5\u30a3\u30c3\u30af\u30e9\u30a4\u30d6\u30e9\u30eajfreechart\u306e\u521d\u7d1a\u5411\u3051\u5fb9\u5e95\u89e3\u8aac\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Java\u30b0\u30e9\u30d5\u30a3\u30c3\u30af\u30e9\u30a4\u30d6\u30e9\u30eaJFreeChart\u306e\u521d\u7d1a\u5411\u3051\u5fb9\u5e95\u89e3\u8aac\" \/>\n<meta property=\"og:description\" content=\"JFreeChart\u306f\u30b0\u30e9\u30d5\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306eJava\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3001\u8c4a\u5bcc\u306a\u6a5f\u80fd\u3068\u67d4\u8edf\u306a\u8a2d\u5b9a\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u4ee5\u4e0b\u306fJFreeChart\u3092\u7c21\u5358\u306b\u4f7f\u3048\u308b\u5165\u9580\u30ac\u30a4\u30c9\u3067\u3059\u3002 JFreeChart\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u30c0\u30a6\u30f3\u30ed […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/java\u30b0\u30e9\u30d5\u30a3\u30c3\u30af\u30e9\u30a4\u30d6\u30e9\u30eajfreechart\u306e\u521d\u7d1a\u5411\u3051\u5fb9\u5e95\u89e3\u8aac\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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