本文實例講述了Java實現的執行python腳本工具類。分享給大家供大家參考，具體如下：
這里java中執行python腳本工具類，需要使用jython.jar
java中執行python腳本工具類,學習的時候寫著玩：
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import java.io.FileInputStream;import java.io.IOException;import java.io.InputStream;import java.util.ArrayList;import java.util.List;import java.util.Map;import org.python.core.PyObject;import org.python.util.PythonInterpreter;public final class JythonUtil { private JythonUtil(){} /** * 執行某個.py文件 * @param filePath * @throws IOException */ public static void pythonExecute(String filePath) throws IOException{ PythonInterpreter pin = new PythonInterpreter(); InputStream is = new FileInputStream(filePath); pin.execfile(is); is.close(); } /** * 獲取python程序的變量值 * @param filePath * @param ponames * @return * @throws IOException */ public static List<PyObject> transP2JData(String filePath, String...ponames) throws IOException{ PythonInterpreter pin = new PythonInterpreter(); InputStream is = new FileInputStream(filePath); pin.execfile(is); is.close(); List<PyObject> pos = new ArrayList<>(); for (String poname : ponames) { PyObject po = pin.get(poname); pos.add(po); } return pos; } /** * 將參數賦給python程序執行 * @param filePath * @param pomaps * @throws IOException */ public static void transJ2PData(String filePath, Map<String, Object> pomaps) throws IOException { PythonInterpreter pin = new PythonInterpreter(); InputStream is = new FileInputStream(filePath); for (String pomapkey : pomaps.keySet()) { pin.set(pomapkey, pomaps.get(pomapkey)); } pin.execfile(is); is.close(); } /** * 將參數賦給python程序執行,并獲取python中的變量值 * @param filePath * @param pomaps * @param ponames * @return * @throws IOException */ public static List<PyObject> transJ2PData(String filePath, Map<String, Object> pomaps, String...ponames) throws IOException { PythonInterpreter pin = new PythonInterpreter(); InputStream is = new FileInputStream(filePath); for (String pomapkey : pomaps.keySet()) { pin.set(pomapkey, pomaps.get(pomapkey)); } pin.execfile(is); is.close(); List<PyObject> pos = new ArrayList<>(); for (String poname : ponames) { PyObject po = pin.get(poname); pos.add(po); } return pos; }} |
附：jython.jar點擊此處本站下載。
希望本文所述對大家java程序設計有所幫助。
原文鏈接：https://www.oschina.net/code/snippet_119671_5971
