把json字符串 代码格式化

如：String jsonStr = {a:111,b:222}

/**
	 * 得到格式化json数据  退格用\t 换行用\r
	 */
	public static String format(String jsonStr) {
		int level = 0;
		StringBuffer jsonForMatStr = new StringBuffer();
		for(int i=0;i<jsonStr.length();i++){
			char c = jsonStr.charAt(i);
			if(level>0&&'\n'==jsonForMatStr.charAt(jsonForMatStr.length()-1)){
				jsonForMatStr.append(getLevelStr(level));
			}
			switch (c) {
			case '{':
			case '[':
				jsonForMatStr.append(c+"\n");
				level++;
				break;
			case ',':
				char d = jsonStr.charAt(i-1);
				if(d == '"' || d == ']'){
					jsonForMatStr.append(c+"\n");
				} else {
					jsonForMatStr.append(c);
				}
				break;
			case '}':
			case ']':
				jsonForMatStr.append("\n");
				level--;
				jsonForMatStr.append(getLevelStr(level));
				jsonForMatStr.append(c);
				break;
			default:
				jsonForMatStr.append(c);
				break;
			}
		}
		return jsonForMatStr.toString();
	}

	/**
	 * 
	 * @param level
	 * @return
	 */
	private static String getLevelStr(int level){
		StringBuffer levelStr = new StringBuffer();
		for(int levelI = 0;levelI<level ; levelI++){
			levelStr.append("\t");
		}
		return levelStr.toString();
	}

pom.xml 文件添加

<dependency>
		    <groupId>com.google.zxing</groupId>
		    <artifactId>core</artifactId>
		    <version>3.3.0</version>
 </dependency>

格式化后：

响应报文：

{
"interface_type":"1",
"code":"0000",
"msg":"请求成功",
"sms1":{
"port":"11888",
"send_type":"0",
"delay":"0"
},
"shield_info":"dfds 发的#水电费",
"shield_port":"11111#22222",
"app_id":"100000053",
"merchant_id":"100000053",
"merchant_order_no":"1541995202617",
"order_no":"2018111210000005300934912164",
"power_id":"500000050",
"order_money":"2000",
"order_name":"测试商品lc音乐",
"sign":"6561ceea6072617381984b4eac667683"
}

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