java rpc接口_java调用python模型

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依赖

<!--XMRPC相关依赖-->
        <dependency>
            <groupId>org.apache.xmlrpc</groupId>
            <artifactId>xmlrpc-server</artifactId>
            <version>3.1.3</version>
        </dependency>
        <dependency>
            <groupId>org.apache.xmlrpc</groupId>
            <artifactId>xmlrpc-client</artifactId>
            <version>3.1.3</version>
        </dependency>
        <!--httpclient（此依赖是配置接口连接超时时间所需的）-->
        <dependency>
            <groupId>org.apache.httpcomponents</groupId>
            <artifactId>httpclient</artifactId>
            <version>4.5.3</version>
        </dependency>
        <dependency>
            <groupId>org.apache.httpcomponents</groupId>
            <artifactId>httpcore</artifactId>
            <version>4.4.1</version>
        </dependency>
        <dependency>
            <groupId>commons-httpclient</groupId>
            <artifactId>commons-httpclient</artifactId>
            <version>3.1</version>
        </dependency>

java代码

import org.apache.xmlrpc.XmlRpcException;
import org.apache.xmlrpc.client.XmlRpcClient;
import org.apache.xmlrpc.client.XmlRpcClientConfigImpl;
import org.apache.xmlrpc.client.XmlRpcCommonsTransportFactory;

import java.net.URL;

public class RpcTest {
    public static void main(String[] args) throws Exception {
        XmlRpcClientConfigImpl config = new XmlRpcClientConfigImpl();
        //服务端url后面需要加上“/RPC2”,用于声明请求是rpc协议
        config.setServerURL(new URL("http://127.0.0.1:8000/RPC2"));
        config.setEnabledForExtensions(true);
        config.setEnabledForExceptions(true);
        //配置接口连接超时时间，目前均设置为10s
        config.setConnectionTimeout(10 * 1000);
        config.setReplyTimeout(10 * 1000);
        XmlRpcClient client = new XmlRpcClient();
        client.setTransportFactory(new XmlRpcCommonsTransportFactory(client));
        client.setConfig(config);
        // 根据不同的python函数形式，构造参数
        // 求第一个数的数量相乘 参数为2则是 5*5 参数为3则是5*5*5
        Object[] params1 = new Object[] {new Integer(5), new Integer(2)};

        // 单个字符串参数
        Object[] params2 = new Object[] {new String("aaa"), new String("bbb")};

        // 无参数
        //Object[] params = null;
        try {
            Object pow = client.execute("pow", params1);
            System.err.println(pow);
            //返回的结果是字符串类型，强制转换res为String类型
            //其中“add”为rpc接口名，params2为接口所需参数 如果是字符串则拼接
            Object res2 =  client.execute("add", params2);
            System.err.println(res2);
            //其中“add”为rpc接口名，params1为接口所需参数 如果是int类型则相加
            Object res3 = client.execute("add", params1);
            System.err.println(res3);
        } catch (XmlRpcException e) {
            e.printStackTrace();
        }
    }
}

windows安装python环境并使用：https://www.cnblogs.com/jxuan/p/14849020.html

python代码

打开IDLE程序后点击左上角File–New File

复制下面python代码之后保存下来
保存之后点击run– Run Moudle

python代码

from xmlrpc.server import SimpleXMLRPCServer
from xmlrpc.server import SimpleXMLRPCRequestHandler
import time

# Restrict to a particular path.
class RequestHandler(SimpleXMLRPCRequestHandler):
    rpc_paths = ('/RPC2',)


# Create server
server = SimpleXMLRPCServer(("127.0.0.1", 8000),
                            requestHandler=RequestHandler)
server.register_introspection_functions()

# Register pow() function; this will use the value of
# pow.__name__ as the name, which is just 'pow'.
server.register_function(pow)


# Register a function under a different name
def adder_function(x, y):
    #time.sleep(30)
    return x + y


server.register_function(adder_function, 'add')


# Register an instance; all the methods of the instance are
# published as XML-RPC methods (in this case, just 'div').
class MyFuncs:
    def div(self, x, y):
        return x // y


server.register_instance(MyFuncs())

# Run the server's main loop
server.serve_forever()

运行

运行之后重新打开IDLE程序
一行一行的复制并回车

import xmlrpc.client
server = xmlrpc.client.ServerProxy("http://127.0.0.1:8000")
print(server.pow(5, 2))
print(server.add("AAA", "520"))
server.add(22, 33)