瑕佷娇鐢↗FreeChart搴擄紝棣栧厛闇€瑕佷笅杞藉苟瀵煎叆璇ュ簱銆傜劧鍚庯紝浣犲彲浠ユ寜鐓т互涓嬫楠や娇鐢↗FreeChart鏉ュ垱寤哄浘琛細

1. 瀵煎叆鎵€闇€鐨勭被锛?/li>

import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartFrame;
import org.jfree.chart.JFreeChart;
import org.jfree.data.category.DefaultCategoryDataset;

2. 鍒涘缓涓€涓暟鎹泦瀵硅薄锛?/li>

DefaultCategoryDataset dataset = new DefaultCategoryDataset();

3. 鍚戞暟鎹泦涓坊鍔犳暟鎹細

dataset.addValue(value, series, category);

鍏朵腑锛?code>value鏄暟鎹殑鍊硷紝series鏄郴鍒楃殑鍚嶇О锛?code>category鏄被鍒殑鍚嶇О銆?/p>

4. 浣跨敤鏁版嵁闆嗗垱寤轰竴涓浘琛ㄥ璞★細

JFreeChart chart = ChartFactory.createBarChart(title, categoryAxisLabel, valueAxisLabel, dataset);

鍏朵腑锛?code>title鏄浘琛ㄧ殑鏍囬锛?code>categoryAxisLabel鏄被鍒酱鐨勬爣绛撅紝valueAxisLabel鏄€艰酱鐨勬爣绛俱€?/p>

5. 鍒涘缓涓€涓浘琛ㄧ獥鍙ｅ苟鏄剧ず鍥捐〃锛?/li>

ChartFrame frame = new ChartFrame("Chart", chart);
frame.pack();
frame.setVisible(true);

杩欎簺姝ラ灏嗗垱寤轰竴涓畝鍗曠殑鏌辩姸鍥撅紝骞跺湪鍥捐〃绐楀彛涓樉绀哄嚭鏉ャ€備綘鍙互鏍规嵁闇€瑕佽嚜瀹氫箟鍥捐〃鐨勬牱寮忓拰灞炴€с€傛洿澶氬叧浜嶫FreeChart鐨勪娇鐢ㄦ柟娉曞拰绀轰緥锛岃鍙傝€冨畼鏂规枃妗ｅ拰绀轰緥浠ｇ爜銆?/p>