本文实例讲述了Java实现的执行python脚本工具类。分享给大家供大家参考，具体如下：
这里java中执行python脚本工具类，需要使用jython.jar
java中执行python脚本工具类,学习的时候写着玩：
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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(){}
/**
* 执行某个.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();
}
/**
* 获取python程序的变量值
* @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;
}
/**
* 将参数赋给python程序执行
* @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();
}
/**
* 将参数赋给python程序执行,并获取python中的变量值
* @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;
}
}
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附：jython.jar点击此处本站下载。
希望本文所述对大家java程序设计有所帮助。
原文链接：https://www.oschina.net/code/snippet_119671_5971