全部跑通

src/main/java/JavaRunPythonFile.java

@@ -10,6 +10,6 @@ import org.python.util.PythonInterpreter;
 public class JavaRunPythonFile {
     public static void main(String[] args) {
         PythonInterpreter interpreter = new PythonInterpreter();
-        interpreter.execfile("classpath:/javaPythonFile.py");
+        interpreter.execfile("F:\\javaPythonFile.py");
     }
 }

src/main/java/JavaRunPythonFunc.java

@@ -0,0 +1,25 @@
+import org.python.core.PyFunction;
+import org.python.core.PyInteger;
+import org.python.core.PyObject;
+import org.python.util.PythonInterpreter;
+
+/**
+ * @author yanpeng
+ * @version 1.0
+ * @desc TODO
+ * @company 北京中经网软件有限公司
+ * @date 2021/7/16 17:43
+ */
+public class JavaRunPythonFunc {
+    public static void main(String[] args) {
+        PythonInterpreter interpreter = new PythonInterpreter();
+        interpreter.execfile("F:\\javaPythonFuncFile.py");
+
+        // 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
+        PyFunction pyFunction = interpreter.get("add", PyFunction.class);
+        int a = 5, b = 10;
+        //调用函数，如果函数需要参数，在Java中必须先将参数转化为对应的“Python类型”
+        PyObject pyobj = pyFunction.__call__(new PyInteger(a), new PyInteger(b));
+        System.out.println("the anwser is: " + pyobj);
+    }
+}

src/main/java/JavaRuntimePythonFile.java

@@ -0,0 +1,32 @@
+import org.python.util.PythonInterpreter;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+
+/**
+ * @author yanpeng
+ * @version 1.0
+ * @desc TODO
+ * @company 北京中经网软件有限公司
+ * @date 2021/7/16 17:43
+ */
+public class JavaRuntimePythonFile {
+    public static void main(String[] args) {
+        Process proc;
+        try {
+            proc = Runtime.getRuntime().exec("python F:\\javaPythonFile.py");
+            BufferedReader in = new BufferedReader(new InputStreamReader(proc.getInputStream()));
+            String line = null;
+            while ((line = in.readLine()) != null) {
+                System.out.println("java"+line);
+            }
+            in.close();
+            proc.waitFor();
+        } catch (IOException e) {
+            e.printStackTrace();
+        } catch (InterruptedException e) {
+            e.printStackTrace();
+        }
+    }
+}

src/main/java/javaPythonFuncFile.py

@@ -0,0 +1,2 @@
+def add(a,b):
+    return a + b