【代码库】反射获取实体属性的值，加密处理，返回json

素颜马尾好姑娘i 2022-12-24 15:56 138阅读 0赞

/**
        * 方法描述 把实体对象中的value值进行加密后转化成JSON
        *
        * author xingMeiLing
        * param object待解析对象  publicKey公钥
        * return json(key是属性，value是加密后的值)
        */
        public String getEntityValue(Object object, PublicKey publicKey){
            Class clazz = object.getClass();
            // 获取类中声明的字段
            Field[] fields = clazz.getDeclaredFields();
            // 拼接String需要
            StringBuilder sb = new StringBuilder();
            sb.append("{");
            for (Field field : fields) {
                // 避免 can not access a member of class com.java.test.Person with modifiers "private"
                field.setAccessible(true);
                try {
                    // 获取实体属性的值,通过公钥把返回的值进行加密
                    // publicKeyBase64()这个加密方法略
                    String base64Value = publicKeyBase64(field.get(object),publicKey);
                    // 进行拼接
                    sb.append("\"");
                    // 获取实体属性的Name
                    sb.append(field.getName());
                    sb.append("\"");
                    sb.append(":");
                    sb.append("\"");
                    sb.append(base64Value);
                    sb.append("\"");
                    sb.append(",");
                    System.out.println(field.getName() + ":"+ field.get(object));
                } catch (IllegalAccessException e) {
                    log.error("加密数据异常");
                    e.printStackTrace();
                } catch (Exception e) {
                    log.error("公钥加密异常",e.getMessage());
                    e.printStackTrace();
                }
            }
            sb.replace(sb.length() - 1, sb.length(), "");
            sb.append("}");
            return String.valueOf(sb);
        }