java通过xml-rpc远程过程调用python
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2022-06-01 21:33:04
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1.XML-RPC是一个使用xml来对调用进行编码(服务函数名,参数,返回值结果等,一般也可以用json,序列化的形式),用http协议来进行传输的远程过程协议。
Python建立RPC服务器或客户端的通用库,代码如下:
from SimpleXMLRPCServer import SimpleXMLRPCServer
from SocketServer import ThreadingMixIn
from xmlrpclib import ServerProxy
import thread
class ThreadXMLRPCServer(ThreadingMixIn, SimpleXMLRPCServer):
pass
class RPCServer():
def __init__(self, ip='127.0.0.1', port='8000'):
self.ip = ip
self.port = int(port)
self.svr = None
def start(self, func_lst):
thread.start_new_thread(self.service, (func_lst, 0,))
def resume_service(self, v1, v2):
self.svr.serve_forever(poll_interval=0.001)
def service(self, func_lst, v1):
self.svr = ThreadXMLRPCServer((self.ip, self.port), allow_none=True)
for func in func_lst:
self.svr.register_function(func)
self.svr.serve_forever(poll_interval=0.001)
def activate(self):
thread.start_new_thread(self.resume_service, (0, 0,))
def shutdown(self):
try:
self.svr.shutdown()
except Exception, e:
print 'rpc_server shutdown:', str(e)
class RPCClient():
def __init__(self, ip='127.0.0.1', port='8000'):
self.svr = ServerProxy('http://' + ip + ':' + port + '/', allow_none=True, use_datetime=True)
def get_svr(self):
return self.svr
def get_hello(year):#有参数的传递,这里可以放置多个参数
return year
if __name__ == "__main__":
r = RPCServer('0.0.0.0', '8061')
r.service([get_hello], 0)
启动test_rpc.py待用
python test_rpc.py
2.下面开始Java,首先下载jar包 ,在 https://archive.apache.org/dist/ws/xmlrpc/binaries/ 找到 apache-xmlrpc-3.1.3-bin.tar.gz 。
#apache-xmlrpc-3.1.3-bin.tar.gz包的API文档 http://ws.apache.org/xmlrpc/apidocs/index.html
解压这个压缩包,并把5个jar包导入到项目中
commons-logging-1.1.jar
xmlrpc-client-3.1.3.jar
xmlrpc-server-3.1.3.jar
ws-commons-util-1.0.2.jar
xmlrpc-common-3.1.3.jar
接下来是java代码:
package rpc;
import java.net.URL;
import java.net.MalformedURLException;
import org.apache.xmlrpc.XmlRpcException;
import org.apache.xmlrpc.client.XmlRpcClient;
import org.apache.xmlrpc.client.XmlRpcClientConfigImpl;
public class Test {
public static void main(String[] args) throws MalformedURLException{
XmlRpcClientConfigImpl config = new XmlRpcClientConfigImpl();
config.setServerURL(new URL("http://127.0.0.1:8061/RPC2"));
XmlRpcClient client = new XmlRpcClient();
client.setConfig(config);
//根据不同的python函数形式,构造参数,这例子是调用python函数get_hello(url):注意构造参数的数据类型
Object[] params = new Object[]{new String("http://localhost/001.jpg")};
try {
// 返回的结果是字符串类型,强制转换res为String类型
String res = (String) client.execute("get_hello", params);
System.out.println(res);
} catch (XmlRpcException e11) {
e11.printStackTrace();
}
}
}