无法将 json 响应获取到 Jmeter Beanshell 后处理器 \JSR223 后处理器中的 json 数组中答案

【问题标题】：Unable to fetch json response into a json array in Jmeter Beanshell Post processor \JSR223 Post processor无法将 json 响应获取到 Jmeter Beanshell 后处理器 \JSR223 后处理器中的 json 数组中
【发布时间】：2021-03-17 11:02:45
【问题描述】：

我有下面的 json 响应数组，我正在进入 Jmeter 正则表达式提取器变量 C_Totalresponse。
在这我有cartItems JSON 对象。
在cartItems JSON 对象中，我们有不同的 SKU 和对应的数量。
我正在使用哈希图从 CSV 文件中读取值并更新每个 SKU 的数量详细信息，但我的脚本无法将响应获取到 Jmeter 中的数组中。
我正在分享我在最后解析 JSON 数组时遇到的 Jmeter 代码和错误

我看到很多帖子建议我不知道如何使用它来获得像这样的巨大响应

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Cart","effectiveAccountID":"0010Y00001cdP0yQAE","b2BCCTMCCount":1,"b2BCCRYOCount":0,"b2BCCCIGARCount":0,"b2BCCOTHERCount":0,"b2BCCIsEmergency":false,"b2BCCIsOffSchedule":false,"b2BCCIsFlagged":false,"b2BCCProductCount":1,"b2BCCTotalSticks":200,"b2BCCTotalGrams":0,"b2BCCExciseRemainingGrams":199670,"b2BCCExciseRemainingSticks":97800,"b2BCCNumberOfOrdersToday":0,"b2BCCOrderingDate":1615939200000,"b2},"cartItems":{"s":55,"v":[{"s":56,"v":{"sfid":"a5w8E000000LFa5QAG","sfdcName":"00068652","cart":"a5x8E000000ICRBQA4","quantity":0,"price":330.53,"productType":"Product","storeID":"B2BAUSECOMMERCE","pricingType":"auto","itemTotal":0.00,"cartItemType":"Major","itemStatus":"Available","b2BCCSubAmountDiscount":0.00,"b2BCCIsFeatured":false,"b2BCCIsStrategic":false,"b2BCCSequence":266,"b2BCCPromotionTotal":0.00,"b2BCCPromotionZSC1":0.00,"b2BCCPromotionZSM1":0.00,"b2BCCPromotionZSP1":0.00,"b2BCCPromoCappingOverflowPrice":0.00,"b2BCCPromoCappingOverflowQty":0,"b2BCCAvgSales4Weeks":0.00,"b2BCCAvgSales8Weeks":0.30,"b2BCCAvgSales13Weeks":0.50,"sfdcCurrencyISOCode":"AUD","itemID":"a5w8E000000LFa5QAG","cartId":"a5x8E000000ICRBQA4","showSubProdTerm":false,},{"s":60,"v":{"sfid":"a5w8E000000LFa3QAG","sfdcName":"00068650","cart":"a5x8E000000ICRBQA4","quantity":0,"price":13.00,"productType":"Product","storeID":"B2BAUSECOMMERCE","pricingType":"auto","itemTotal":0.00,"cartItemType":"Major","itemStatus":"Available","b2BCCSubAmountDiscount":0.00,"b2BCCIsFeatured":false,"b2BCCIsStrategic":false,"b2BCCSequence":264,"b2BCCPromotionTotal":0.00,"b2BCCPromotionZSC1":0.00,"b2BCCPromotionZSM1":0.00,"b2BCCPromotionZSP1":0.00,"b2BCCPromoCappingOverflowPrice":0.00,"b2BCCPromoCappingOverflowQty":0,"b2BCCAvgSales4Weeks":0.00,"b2BCCAvgSales8Weeks":0.00,"b2BCCAvgSales13Weeks":0.00,"sfdcCurrencyISOCode":"AUD","itemID":"a5w8E000000LFa3QAG","cartId":"a5x8E000000ICRBQA4","showSubProdTerm":false,"mockProduct":{"s":61,"v":{"sfid":"a6w8E00000096F3QAI","sfdcName":"WINNIES 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BLUE","price":188.56}},"qtyIncrement":1,"SubAmount":0.00,"adjustment":0,"baseDiscount":0,"absoluteDiscount":0,"product":{"Id":"a6w8E000000965pQAA","ccrz__SKU__c":"10086360"}}},{"s":82,"v":{"sfid":"a5w8E000000LFZEQA4","sfdcName":"00068599","cart":"a5x8E000000ICRBQA4","quantity":0,"price":188.56,"productType":"Product","storeID":"B2BAUSECOMMERCE","pricingType":"auto","itemTotal":0.00,"cartItemType":"Major","itemStatus":"Available","b2BCCSubAmountDiscount":0.00,"b2BCCIsFeatured":false,"b2BCCIsStrategic":false,"b2BCCSequence":11,"b2BCCPromotionTotal":0.00,"b2BCCPromotionZSC1":0.00,"b2BCCPromotionZSM1":0.00,"b2BCCPromotionZSP1":0.00,"b2BCCPromoCappingOverflowPrice":0.00,"b2BCCPromoCappingOverflowQty":0,"b2BCCAvgSales4Weeks":3.00,"b2BCCAvgSales8Weeks":4.00,"b2BCCAvgSales13Weeks":4.60,"sfdcCurrencyISOCode":"AUD","itemID":"a5w8E000000LFZEQA4","cartId":"a5x8E000000ICRBQA4","showSubProdTerm":false,"mockProduct":{"s":83,"v":{"sfid":"a6w8E00000096BVQAY","sfdcName":"B&H 30/120 CLASSIC RED","ownerId":"0058E000007MQgfQAG","storefront":"B2BAUSECOMMERCE","startDate":1577836800000,"endDate":7258032000000,"averageRating":0.00,"taxable":false,"inventoryType":"STANDARD","b2BCCBarcode":"9310797285520","b2BCCProductCategory":"TMC","b2BCCSTMCode":"000000000075089380","sfdcCurrencyISOCode":"GBP","EProductMediasS":{"r":35},"shortDesc":"B&amp;H 30/120 CLASSIC RED","id":"a6w8E00000096BVQAY","sku":"10086472","ProductType":"Product","ProductStatus":"Released","qtyPerUnit":120.000000,"UnitOfMeasure":"CT","showSubscriptionSelection":false,"name":"B&H 30/120 CLASSIC RED","price":188.56}},"qtyIncrement":1,"SubAmount":0.00,"adjustment":0,"baseDiscount":0,"absoluteDiscount":0,"product":{"Id":"a6w8E00000096BVQAY","ccrz__SKU__c":"10086472"}}},{"s":84,"v":{"sfid":"a5w8E000000LFZDQA4","sfdcName":"00068598","cart":"a5x8E000000ICRBQA4","quantity":0,"price":330.53,"productType":"Product","storeID":"B2BAUSECOMMERCE","pricingType":"auto","itemTotal":0.00,"cartItemType":"Major","itemStatus":"Available","b2BCCSubAmountDiscount":0.00,"b2BCCIsFeatured":false,"b2BCCIsStrategic":false,"b2BCCSequence":9,"b2BCCPromotionTotal":0.00,"b2BCCPromotionZSC1":0.00,"b2BCCPromotionZSM1":0.00,"b2BCCPromotionZSP1":0.00,"b2BCCPromoCappingOverflowPrice":0.00,"b2BCCPromoCappingOverflowQty":0,"b2BCCAvgSales4Weeks":0.50,"b2BCCAvgSales8Weeks":0.90,"b2BCCAvgSales13Weeks":0.90,"sfdcCurrencyISOCode":"AUD","itemID":"a5w8E000000LFZDQA4","cartId":"a5x8E000000ICRBQA4","showSubProdTerm":false,"mockProduct":{"s":85,"v":{"sfid":"a6w8E0000009632QAA","sfdcName":"B&H 25/200 FINE GREY FF","ownerId":"0058E000007MQgfQAG","storefront":"B2BAUSECOMMERCE","startDate":1577836800000,"endDate":7258032000000,"averageRating":0.00,"taxable":false,"inventoryType":"STANDARD","b2BCCBarcode":"9310797002615","b2BCCProductCategory":"TMC","b2BCCSTMCode":"000000000075001150","sfdcCurrencyISOCode":"GBP","EProductMediasS":{"r":14},"shortDesc":"B&amp;H 25/200 FINE GREY FF","id":"a6w8E0000009632QAA","sku":"10014887","ProductType":"Product","ProductStatus":"Released","qtyPerUnit":200.000000,"UnitOfMeasure":"CT","showSubscriptionSelection":false,"name":"B&H 25/200 FINE GREY FF","price":330.53}},"qtyIncrement":1,"SubAmount":0.00,"adjustment":0,"baseDiscount":0,"absoluteDiscount":0,"product":{"Id":"a6w8E0000009632QAA","ccrz__SKU__c":"10014887"}}},{"s":86,"v":{"sfid":"a5w8E000000LFZBQA4","sfdcName":"00068596","cart":"a5x8E000000ICRBQA4","quantity":1,"price":330.53,"productType":"Product","storeID":"B2BAUSECOMMERCE","pricingType":"auto","itemTotal":330.53,"cartItemType":"Major","itemStatus":"Available","b2BCCSubAmountDiscount":0.00,"b2BCCIsFeatured":false,"b2BCCIsStrategic":false,"b2BCCSequence":6,"b2BCCPromotionTotal":0.00,"b2BCCPromotionZSC1":0.00,"b2BCCPromotionZSM1":0.00,"b2BCCPromotionZSP1":0.00,"b2BCCPromoCappingOverflowPrice":0.00,"b2BCCPromoCappingOverflowQty":0,"b2BCCAvgSales4Weeks":0.00,"b2BCCAvgSales8Weeks":0.30,"b2BCCAvgSales13Weeks":0.50,"sfdcCurrencyISOCode":"AUD","itemID":"a5w8E000000LFZBQA4","cartId":"a5x8E000000ICRBQA4","showSubProdTerm":false,"mockProduct":{"s":87,"v":{"sfid":"a6w8E000000962OQAQ","sfdcName":"B&H 25/200 SMOOTH DRK BLUE FF","ownerId":"0058E000007MQgfQAG","storefront":"B2BAUSECOMMERCE","startDate":1577836800000,"endDate":7258032000000,"averageRating":0.00,"taxable":false,"inventoryType":"STANDARD","b2BCCBarcode":"9310797002516","b2BCCProductCategory":"TMC","b2BCCSTMCode":"000000000075001150","sfdcCurrencyISOCode":"GBP","EProductMediasS":{"r":5},"shortDesc":"B&amp;H 25/200 SMOOTH DRK BLUE FF","id":"a6w8E000000962OQAQ","sku":"10014748","ProductType":"Product","ProductStatus":"Released","qtyPerUnit":200.000000,"UnitOfMeasure":"CT","showSubscriptionSelection":false,"name":"B&H 25/200 SMOOTH DRK BLUE FF","price":330.53}},"qtyIncrement":1,"SubAmount":330.53,"adjustment":0,"baseDiscount":0,"absoluteDiscount":0,"product":{"Id":"a6w8E000000962OQAQ","ccrz__SKU__c":"10014748"}}},{"s":88,"v":{"sfid":"a5w8E000000LFZAQA4","sfdcName":"00068595","cart":"a5x8E000000ICRBQA4","quantity":0,"price":330.53,"productType":"Product","storeID":"B2BAUSECOMMERCE","pricingType":"auto","itemTotal":0.00,"cartItemType":"Major","itemStatus":"Available","b2BCCSubAmountDiscount":0.00,"b2BCCIsFeatured":false,"b2BCCIsStrategic":false,"b2BCCSequence":5,"b2BCCPromotionTotal":0.00,"b2BCCPromotionZSC1":0.00,"b2BCCPromotionZSM1":0.00,"b2BCCPromotionZSP1":0.00,"b2BCCPromoCappingOverflowPrice":0.00,"b2BCCPromoCappingOverflowQty":0,"b2BCCAvgSales4Weeks":1.00,"b2BCCAvgSales8Weeks":1.60,"b2BCCAvgSales13Weeks":2.10,"sfdcCurrencyISOCode":"AUD","itemID":"a5w8E000000LFZAQA4","cartId":"a5x8E000000ICRBQA4","showSubProdTerm":false,"mockProduct":{"s":89,"v":{"sfid":"a6w8E000000962YQAQ","sfdcName":"B&H 25/200 CLASSIC RED FF","ownerId":"0058E000007MQgfQAG","storefront":"B2BAUSECOMMERCE","startDate":1577836800000,"endDate":7258032000000,"averageRating":0.00,"taxable":false,"inventoryType":"STANDARD","b2BCCBarcode":"9310797002011","b2BCCProductCategory":"TMC","b2BCCSTMCode":"000000000075001150","sfdcCurrencyISOCode":"GBP","EProductMediasS":{"r":8},"shortDesc":"B&amp;H 25/200 CLASSIC RED FF","id":"a6w8E000000962YQAQ","sku":"10014816","ProductType":"Product","ProductStatus":"Released","qtyPerUnit":200.000000,"UnitOfMeasure":"CT","showSubscriptionSelection":false,"name":"B&H 25/200 CLASSIC RED FF","price":330.53}},"qtyIncrement":1,"SubAmount":0.00,"adjustment":0,"baseDiscount":0,"absoluteDiscount":0,"product":{"Id":"a6w8E000000962YQAQ","ccrz__SKU__c":"10014816"}}}]},"cartItemCount":1}},"inputContext":{"currentCartId":"b86853d1-2929-44bb-84de-826bb350ff59","currentPageName":"ccrz__ProductList","currentPageURL":"https://batuat-batglobalb2b.cs87.force.com/B2BAUSECOMMERCE/ccrz__ProductList?effectiveAccount=0010Y00001cdP0yQAE&refURL=https%3A%2F%2Fbatuat-batglobalb2b.cs87.force.com%2FB2BAustraliaCommunity%2Fs%2F","effAccountId":"0010Y00001cdP0yQAE","portalUserId":"","priceGroupId":"","queryParams":{"s":90,"v":{}},"storefront":"B2BAUSECOMMERCE","userIsoCode":"AUD","userLocale":"en_US"},"messages":{"s":91,"v":[]},"success":true}}]

下面是我上面提到的步骤在 Jmeter 中的代码

import org.apache.jmeter.threads.JMeterContext.TestLogicalAction;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Scanner;
import org.json.simple.JSONArray;
import org.json.simple.JSONObject;
import org.json.simple.parser.JSONParser;
import org.json.simple.parser.ParseException;
import groovy.json.JsonSlurper;
import org.json.JSONArray;
import org.json.JSONObject;
import com.eclipsesource.json.*;

String Path = "\\\\fjsvdishares\\85039042\\Documents\\2021\\J-Meter\\data.csv";


try 
    {
                      
           
         String test = org.apache.commons.io.FileUtils.readFileToString(new File(Path));
           
                Map map = new HashMap();

        map.put(vars.get("SKU"),vars.get("quantity"));
             
    
            JSONParser jsonParser = new JSONParser();                 
            JSONArray cartItemsList = null;
            JSONObject cartItemsObj = null;

                    

             String jsonString = vars.get("C_Totalresponse");

         
         JSONObject cartItemsObj = (JSONObject) jsonParser.parse(jsonString);
         SONArray cartItemsList = (JSONArray) cartItemsObj.get("cartItems");
          
          
            Iterator it = map.entrySet().iterator();
            while (it.hasNext() ) {

                Map.Entry pair = (Map.Entry)it.next();
                
                if(cartItemsList.size() > 0 ) {  

                    for(int i = 0; i < cartItemsList.size(); i++){

                        JSONObject object = (JSONObject) cartItemsList.get(i);

                        JSONObject productJsonObj = (JSONObject)object.get("product") ; 
                        
                        

                        if( productJsonObj.get("ccrz__SKU__c").toString() .equals(pair.getKey().toString()) ) {   

                            object.put("quantity" , pair.getValue()); 
                        }

                        
                          
                    }
                }
                    
            }
           
                   
       }

        catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
           e.printStackTrace();
        } catch (ParseException e) {
           e.printStackTrace();
        }

错误详情如下：

2021-03-17 07:42:03,146 错误 o.a.j.e.JSR223PostProcessor：JSR223 脚本中的问题，JSR223 PostProcessor javax.script.ScriptException：源文件：内联评估：import org.apache.jmeter.samplers.SampleResult; import org.apache.jmeter.threads . . . '' : Typed variable declaration : at Line: 48 : in file: inline evaluation of: import org.apache.jmeter.samplers.SampleResult；导入 org.apache.jmeter.threads 。 . . '' : (JSONObject) jsonParser .parse (jsonString)

目标异常：java.lang.ClassCastException：无法将 org.json.simple.JSONArray 转换为 org.json.JSONObject 在线评估：``import org.apache.jmeter.samplers.SampleResult;导入 org.apache.jmeter.threads 。 . . '' 在第 48 行

【问题讨论】：

标签： java jmeter beanshell jsr223

【解决方案1】：

我认为这条线有问题（至少）

JSONObject cartItemsObj = (JSONObject) jsonParser.parse(jsonString)

我认为您需要将其更改为：

JSONArray cartItemsObj = (JSONArray ) jsonParser.parse(jsonString)

我无法进一步评论您的代码，因为您的 JSON 无效，而且您想要实现的目标不是很清楚。

关于使用 Groovy - 这是您真正应该考虑的事情，因为：

【讨论】：

我在某种程度上改变了代码 JSONArray cartItemsObj = (JSONArray) jsonParser.parse(updatedjsonString); int count = Integer.parseInt(vars.get("cartItemsObj") ); log.info("豆壳"+count); JSONObject cap = (JSONObject) cartItemsObj.get(1);但是当我执行它时，我没有得到数组信息日志查看器的计数
我看到下面是导致问题的代码罪魁祸首 [{\"remainingQuantity\":-48,\"description\":\"BENSON & HEDGES 20 CIG\",\"code\": \"000000000075001149\"}] 这是在响应中自动生成的

【解决方案2】：

我尝试了很多关于 Beanshell 处理器代码的帖子，以从 haspmap 读取数据并使用 hashmap 更新 json 请求数组值中的数据。很多人建议使用 groovy\JSR223 处理器。下面是 beanshell 中的代码，这将有助于许多请求\问题我们未得到答复的用户。


import org.apache.jmeter.samplers.SampleResult;
import org.apache.jmeter.threads.JMeterContextService;
import org.apache.jmeter.threads.JMeterContext.TestLogicalAction;
import java.io.*;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.BufferedReader;
import java.io.IOException;
import java.util.HashMap;
import java.util.Iterator;  
import java.util.Map;
import java.util.Scanner;
import java.util.Arrays;
import java.util.*;
import org.json.simple.JSONArray;
import org.json.simple.JSONObject;
import org.json.simple.parser.JSONParser;
import org.json.simple.parser.ParseException;
import org.json.JSONArray;
import org.json.JSONObject;


String Path = "\\\\fjsvdishares\\Documents\\2021\\J-Meter\\data.csv";


try 
    {
                      
         BufferedReader br = new BufferedReader(new FileReader(Path));
               Map map = null;
               Map map = new HashMap(); //Creating hashmap
             String line =  null;
            while((line=br.readLine())!=null){  //writing data into hashmap from csv file
        
               StringTokenizer st = new StringTokenizer(line, ","); 
               
                       while ( st.hasMoreElements() ){
                        
                          String key = st.nextToken();
                            String value = st.nextToken();
                            map.put(key,value);
                       
                         }
  
                    } 
          
        
         
           String jsonString = vars.get("C_cartItems"); //reading json request into string          
         
           
               //code to fetch skus in request and update the quanity for the select sku 
          
        JSONArray jsonArray=new JSONArray(jsonString); 
        
            Iterator it = map.entrySet().iterator();
            int count =0;
            while (it.hasNext() ) {
                //Getting the first pair values from map object
                Map.Entry pair = (Map.Entry)it.next();

                if(jsonArray.length() > 0 ) {
                    //Iterating through the cartitem list
                    for(int i = 0; i < jsonArray.length(); i++){
                        //Getting the first cartlist item
                        JSONObject object = (JSONObject) jsonArray.getJSONObject(i);
                    JSONObject insideVObject = (JSONObject)object.getJSONObject("v") ;
                        JSONObject productJsonObj = (JSONObject)insideVObject.getJSONObject("product") ;

                                                    
                        
                       //Checking the Sku value from cartitem and map
                        if( productJsonObj.get("ccrz__SKU__c").equals(pair.getKey()) ) {      
                            //updating the quantity value with new value
                            object.put("quantity" , pair.getValue()); 
                            count++;
                        }
                          
                    }
                }
                    
                
            }   

           // log.info(count + " ...items updated");
           // log.info(" resultJson   ...." +jsonArray);
          
                   
       }

        catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
           e.printStackTrace();
        } catch (ParseException e) {
           e.printStackTrace();
        }

【讨论】：