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python调用java的Webservice示例

Jun 16, 2016 am 08:44 AM
java python webservice

一、java端
首先我使用的是java自带的对webservice的支持包来编写的服务端和发布程序,代码如下。
webservice的接口代码:

复制代码 代码如下:
package com.xxx.test.ws;

import javax.jws.WebMethod;
import javax.jws.WebService;

/**
 * Created with IntelliJ IDEA.
 * User: Administrator
 * Date: 14-3-5
 * Time: 下午3:11
 */
@WebService(targetNamespace = "http://xxx.com/wsdl")
public interface CalculatorWs {
    @WebMethod
    public int sum(int add1, int add2);

    @WebMethod
    public int multiply(int mul1, int mul2);
}


接口实现代码:
复制代码 代码如下:
package com.xxx.test.ws;
import javax.jws.WebService;
/**
 * Created with IntelliJ IDEA.
 * User: Administrator
 * Date: 14-3-5
 * Time: 下午3:12
 */
@WebService(
        portName = "CalculatorPort",
        serviceName = "CalculatorService",
        targetNamespace = "http://xxx.com/wsdl",
        endpointInterface = "com.xxx.test.ws.CalculatorWs")
public class Calculator implements CalculatorWs {
    public int sum(int add1, int add2) {
        return add1 + add2;
    }

    public int multiply(int mul1, int mul2) {
        return mul1 * mul2;
    }
}


发布Webservice代码:[code]
package com.xxx.test.endpoint;
import com.xxx.test.ws.Calculator;
import javax.xml.ws.Endpoint;

/**
 * Created with IntelliJ IDEA.
 * User: Administrator
 * Date: 14-3-10
 * Time: 下午3:10
 */
public class CalclulatorPublisher {
    public static void main(String[] args) {
        Endpoint.publish("http://localhost:8080/test/calc", new Calculator());
        //Endpoint.publish("http://10.3.18.44:8080/test/calc", new Calculator());
    }
}[/code]
运行上面的这段代码,让你的webservice跑起来,接下来就可以使用Python来测试你的webservice代码了。
上面的代码跑起来后,你可以直接使用浏览器访问:

复制代码 代码如下:
http://localhost:8080/test/calc?wsdl
来验证是否启动成功。
二、python端
接下来是python的测试代码:
复制代码 代码如下:
#!/usr/bin/python
import suds
url = 'http://localhost:8080/test/calc?wsdl'
#url = 'http://10.3.18.44:8080/test/calc?wsdl'
client = suds.client.Client(url)
service = client.service

print client

sum_result = service.sum(10, 34)
print sum_result
print client.last_received()

multiply_result = service.multiply(5, 5)
print multiply_result
print client.last_received()

将上述代码保存成webservice.py文件,再修改一下可执行权限:

复制代码 代码如下:
chmod +x webservice.py

输出结果如下:

复制代码 代码如下:
Suds ( https://fedorahosted.org/suds/ )  version: 0.3.9 (beta)  build: R658-20100210

Service ( CalculatorService ) tns="http://xxx.com/wsdl"
   Prefixes (1)
      ns0 = "http://xxx.com/wsdl"
   Ports (1):
      (CalculatorPort)
         Methods (2):
            multiply(xs:int arg0, xs:int arg1, )
            sum(xs:int arg0, xs:int arg1, )
         Types (4):
            multiply
            multiplyResponse
            sum
            sumResponse


44


  
     
         44
     

  

25


  
     
         25
     

  

三、常见问题

注意,在执行上面的代码时,有可能提示:

复制代码 代码如下:
Traceback (most recent call last):
  File "ws.py", line 1, in
    import suds
ImportError: No module named suds
说缺少依赖的包,我们可以手工下载安装suds包。
复制代码 代码如下:
wget http://downloads.sourceforge.net/project/python-suds/suds/0.3.9/suds-0.3.9.tar.gz?r=http%3A%2F%2Fsourceforge.net%2Fprojects%2Fpython-suds%2Ffiles%2F&ts=1394436413&use_mirror=nchc
tar zxvf suds-0.3.9.tar.gz
cd suds-0.3.9
sudo python setup.py install

OK。

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