import org.python.core.Py; import org.python.core.PyFunction; import org.python.core.PyInteger; import org.python.core.PyList; import org.python.core.PyObject; import org.python.core.PyString; import org.python.core.PySystemState; import org.python.util.PythonInterpreter; public class UseJython { private PythonInterpreter interpreter; private PySystemState pySys; public UseJython() { interpreter = new PythonInterpreter(); pySys = Py.getSystemState(); } public void execCode(String[] pythonCode) { for (String str : pythonCode) { interpreter.exec(str); } interpreter.cleanup(); } public void execScriptNoReturn(String scriptPath, String[] args) { for (String str : args) { pySys.argv.append(new PyString(str)); } interpreter.execfile(scriptPath); interpreter.cleanup(); } public void execScriptReturn(String scriptPath, String[] args) { // System.setProperty("python.home", // "C:\\Users\\Lovwin\\AppData\\Local\\Programs\\Python\\Python37"); PyList argvList = new PyList(); for (String str : args) { argvList.append(new PyInteger(Integer.parseInt(str))); } interpreter.execfile(scriptPath); PyFunction pyFunc = interpreter.get("add", PyFunction.class); // 第一个参数为期望获得的函数（变量）的名字，第二个参数为期望返回的对象类型 // 调用Python程序中的函数 PyObject pyObj = pyFunc.__call__(argvList); System.out.println("the result is: " + pyObj); interpreter.cleanup(); } public void close() { interpreter.cleanup(); interpreter.close(); } }