pip install JPype1

import jpype

# 啟動JVM
jpype.startJVM(jpype.getDefaultJVMPath(), "-ea", "-Djava.class.path=your_jar_file.jar")

# 導入Java類
YourJavaClass = jpype.JClass("com.example.YourJavaClass")

# 創(chuàng)建實例
instance = YourJavaClass()

# 調(diào)用方法
result = instance.yourMethod(param1, param2)

# 關(guān)閉JVM（程序結(jié)束時必須調(diào)用）
jpype.shutdownJVM()

pip install pyjnius

from jnius import autoclass

# 設(shè)置類路徑
import os
os.environ['CLASSPATH'] = 'your_jar_file.jar'

# 加載Java類
YourJavaClass = autoclass('com.example.YourJavaClass')

# 創(chuàng)建實例并調(diào)用方法
instance = YourJavaClass()
result = instance.yourMethod(param1, param2)

import subprocess

# 調(diào)用Java程序
result = subprocess.run(['java', '-jar', 'your_jar_file.jar', 'arg1', 'arg2'], 
                        capture_output=True, text=True)

print(result.stdout)

pip install JPype1

import jpype

# 啟動JVM，指定類路徑
jvm_path = jpype.getDefaultJVMPath()
classpath = "your_jar_file.jar"
jpype.startJVM(jvm_path, "-ea", f"-Djava.class.path={classpath}")

# 加載Java類
try:
    # 靜態(tài)方法調(diào)用示例
    System = jpype.JClass("java.lang.System")
    System.out.println("Hello from Java!")
    
    # 實例方法調(diào)用示例
    ArrayList = jpype.JClass("java.util.ArrayList")
    list = ArrayList()
    list.add("item1")
    print(list.size())
    
    # 調(diào)用自定義JAR中的類
    YourClass = jpype.JClass("com.example.YourClass")
    instance = YourClass()
    result = instance.yourMethod("param1", 123)
    print(result)

finally:
    # 關(guān)閉JVM
    jpype.shutdownJVM()

try:
    # Java代碼調(diào)用
except jpype.JavaException as e:
    print("Java異常:", e.message())
except Exception as e:
    print("Python異常:", str(e))

jpype.startJVM('/path/to/jre/lib/server/libjvm.so', ...)

# 對于方法重載的情況
result = instance.method(jpype.JInt(1), jpype.JString("text"))

jpype.startJVM(classpath=["jar1.jar", "jar2.jar", ...])

jpype.startJVM(..., "-agentlib:jdwp=transport=dt_socket,server=y,suspend=y,address=5005")