public static void main(String[] args) {
        Map<String, Object> dataMap = new HashMap<>();
        dataMap.put("userName", "Jyang");
        dataMap.put("password", "admin");
        String template = "用户名称：${userName}，用户密码：${password}";
        /**
         * 方式一：利用正则替换
         */
        if (template.startsWith("$") || template.contains("$")) {
            Pattern pattern = Pattern.compile("\\$\\{([^\\}]+)\\}");
            Matcher matcher = pattern.matcher(template);
            StringBuffer result = new StringBuffer();
            // 根据正则替换
            while (matcher.find()) {
                String replacement = Objects.toString(dataMap.get(matcher.group(1)), "");
                matcher.appendReplacement(result, replacement);
            }
            matcher.appendTail(result);
            String newValue = Objects.toString(result);
            System.out.println("替换后的值（方式一）：" + newValue);
        }

        /**
         * 方式二：借助org.apache.commons.lang3
         */
        StrSubstitutor strSubstitutor = new StrSubstitutor(dataMap);
        String newValue2 = strSubstitutor.replace(template);
        System.out.println("替换后的值（方式二）：" + newValue2);
    }