jmeter接口测试-使用aes加密算法

import javax.crypto.Cipher;
import javax.crypto.spec.SecretKeySpec;
import org.apache.commons.codec.binary.Base64;
public static String Encrypt(String sSrc, String sKey) throws Exception {
        if (sKey == null) {
            return null;
        }
        // 判断Key是否为16位
        if (sKey.length() != 16) {
            return null;
        }
        byte[] raw = sKey.getBytes("utf-8");
        SecretKeySpec skeySpec = new SecretKeySpec(raw, "AES");
        Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");// "算法/模式/补码方式"
        cipher.init(Cipher.ENCRYPT_MODE, skeySpec);
        byte[] encrypted = cipher.doFinal(sSrc.getBytes("utf-8"));
        return Base64.encodeBase64String(encrypted);// 此处使用BASE64做转码功能，同时能起到2次加密的作用。
    }

String cSrc = "{"appId":"P201707280","applyNo":"20170802101737582178","idNo":"jmeter 高级技术群：572445436","userName":"jmeter 高级技术群：572445436","phone":"jmeter 高级技术群：572445436","zhima":700,"applyTime":"2017-08-02 10:17:37","amount":9800}";
         //密码，长度要是8的倍数
        String cKey = "d4e9acc6a0ff505b";
        // 需要加密的字串
        System.out.println(cSrc);
        // 加密
        String enString = Encrypt(cSrc, cKey);    
        vars.put("enString",enString);
        return enString;