Jmeter 获取CSV行数

import java.io.BufferedReader;
import java.io.FileInputStream;

String str = "E:\Desktop\WOS接口测试";
String[] strs = {"评价列表.csv","添加留言.csv"};    
for(int i=0;i<strs.length;i++)
{
    int rowNum = 0;
    FileReader fr = new FileReader(str+"\"+strs[i]);
    BufferedReader br = new BufferedReader(fr);    
    while((br.readLine())!=null)
    {
                rowNum++;                
        }
        //System.out.println("rowNum"+i);
        //System.out.println(rowNum);
        vars.put("rowNum"+i,String.valueOf(rowNum));
    br.close();
}

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.File;


print("========输出结果表格${csvPath}============  "+"${csvPath}");
print("========Case 表格${csvPath}============  "+"${csvCase}");

BufferedReader br=new BufferedReader(new FileReader("${csvCase}"));
//BufferedReader bufRdr = new BufferedReader(new InputStreamReader(new FileInputStream(file), "UTF8"));
String tmpStr="";
int rowNum=0;
while(tmeStr=br.readLine()!=null){
    rowNum++;
}
rowNum=rowNum-1;//去掉CSV文件标题行；
vars.put("rowNum",String.valueOf(rowNum));
print("-----------------1CSV文件行数：--------"+rowNum+"-------------------");
log.info("-----------------1CSV文件行数：--------"+rowNum+"-------------------");

print("-----------------Case源CSV表格路径：--------"+"${csvCase}"+"-------------------");
//String getRowNum=vars.get("rowNum");

//int csvNo= Integer.parseInt(vars.get("rowNum"));


int totalElements= Integer.parseInt(vars.get("rowNum"));
print("Total_csvNoCSV总行号---->>  "+totalElements);
vars.put("totalElements", String.valueOf(totalElements));
//print(${__javaScript("${totalElements}")});
//print("======javaScript======"+${__javaScript(totalElements)});