Jmeter 解析 response 并传递 value

CallmeJack

解析response中的内容，并把获取到的value传递到后续的request中，常用的方法就是在想要解析response
的request上添加后置处理器
本章介绍两种常用的组件

BeanShell PostProcessor
JSON Extractor
添加后置处理器：BeanShell PostProcessor

获取response中的字符串，并对内容进行判断，当response中包含“The wait operation timed out”或者“Oops.

1. Something went wrong ... sorry”时，都认为该request的response不正确
   
2. String response = prev.getResponseDataAsString();
   
3. String code = prev.getResponseCode();
   
4. log.info("Respnse is " + response);
   
5. log.info(code);
   
6. int result1 = response.indexOf("The wait operation timed out");
   
7. int result2 = response.indexOf("Oops. Something went wrong ... sorry");
   
8. if(code == "200" && result1>=0 || result2>=0){
   
9. FailureMessage = "OK,check current";
   
10. }
    
11. else{
    
12. Failure = true;
    
13. FailureMessage = "ERROR,check error";
    
14. }

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解析返回的Jason数据，获取name字段的值赋给变量result

1. {“body”:{“apps”:[{“name”:”111”},{“name”:”222”}]}}
   
2. 
   
3. import org.json.*;

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脚本中的导入的json包需要自己去网络下载后放到\lib\ext下

1. String response_data = prev.getResponseDataAsString();
   
2. JSONObject data_obj = new JSONObject(response_data);
   
3. String apps_str = data_obj.get("body").get("apps").toString();
   
4. JSONArray apps_array = new JSONArray(apps_str);
   
5. String[] result = new String[apps_array.length()];
   
6. for(int i=0;i<apps_array.length();i++){
   
7. JSONObject app_obj = new JSONObject(apps_array.get(i).toString());
   
8. String name = app_obj.get("name").toString();
   
9. result[i] = name;
   
10. }
    
11. vars.put("result", Arrays.toString(result));
    
12. 
    
13. 添加后置处理器：JSON Extractor
    
14. 
    
15. 解析返回的Jason数据，获取name字段的值带入参数到后边的request中
    
16. 
    
17. {“body”:{“apps”:[{“name”:”111”},{“name”:”222”}]}}

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变量t1的值是111，变量t2的值是222

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