3. 有了发送请求的客户端，那如何能够更简单的实现一个协议好让客户端发送，再贴一段代码^_^：
1 package tea.client.network;
2
3 import org.apache.jmeter.config.Arguments;
4 import org.apache.jmeter.protocol.java.sampler.AbstractJavaSamplerClient;
5 import org.apache.jmeter.protocol.java.sampler.JavaSamplerContext;
6 import org.apache.jmeter.samplers.SampleResult;
7 import com.google.protobuf.InvalidProtocolBufferException;
8 import com.google.protobuf.MessageLite;
9
10 /**
11  * @author Teaey
12  * @creation 2012-8-25
13  */
14 public abstract class BaseSample extends AbstractJavaSamplerClient
15 {
16     public static final String PARAM_IP   = "ip";
17     public static final String PARAM_PORT = "port";
18     public static final String VAR_IP     = "${ip}";
19     public static final String VAR_PORT   = "${port}";
20     protected BaseClient       client;
21     public void addParameter(Arguments params)
22     {
23     }
24     /**
25      * Jmeter获取消息参数，默认配置ip和port两个参数
26      * 如果子类有更多参数，调用super.getDefaultParameters()获取Arguments后，继续设置其他方法
27      */
28     @Override
29     public Arguments getDefaultParameters()
30     {
31         System.out.println("1.getDefaultParameters");
32         Arguments params = new Arguments();
33         params.addArgument(PARAM_IP， VAR_IP);
34         params.addArgument(PARAM_PORT， VAR_PORT);
35         addParameter(params);
36         return params;
37     }
38     /**
39      * runTest的前置方法
40      */
41     @Override
42     public void setupTest(JavaSamplerContext context)
43     {
44         System.out.println("2.setupTest:" + context.containsParameter(PARAM_IP));
45         String ip = context.getParameter(PARAM_IP);
46         String port = context.getParameter(PARAM_PORT);
47         this.client = NetworkClientHolder.getClient(ip， port);
48         System.out.println("thread--->" + Thread.currentThread().getId() + " client--->" + client);
49     }
50     /**
51      * Jmeter调用，用于实际的测试
52      */
53     @Override
54     public SampleResult runTest(JavaSamplerContext context)
55     {
56         SampleResult sample = getSample();
57         sample.sampleStart();
58         try
59         {
60             MessageLite response = doTest();
61             String msg = response == null ? "" : response.toString();
62             sample.setResponseMessage(msg);
63             sample.setSuccessful(true);
64         } catch (Exception e)
65         {
66             sample.setSuccessful(false);
67             e.printStackTrace();
68         } finally
69         {
70             sample.sampleEnd();
71         }
72         return sample;
73     }
74     /**
75      * 获取本Sample的标签，子类实现
76      */
77     public abstract String getLabel();
78     /**
79      * 获取一个带标签的Sample
80      */
81     public SampleResult getSample()
82     {
83         SampleResult sample = new SampleResult();
84         sample.setSampleLabel(getLabel());
85         return sample;
86     }
87     /**
88      * Jmeter调用，用于
89      */
90     @Override
91     public void teardownTest(JavaSamplerContext context)
92     {
93         System.out.println("4.teardownTest");
94     }
95     /**
96      * 需实现，具体测试的方法，调用client的send/sendWithBack发送请求
97      * 如无返回，放回null即可
98      */
99     public abstract MessageLite doTest() throws InvalidProtocolBufferException;
100 }
　　好的，这里封装了下AbstractJavaSamplerClient，每个消息默认包含ip和port参数，这可以再jmeter的用户变量中定义好。为了方便大家添加消息的参数，这里实现了空的