public static void main(String[] args) {		String region = "{\"id\":\"1\",\"name\":\"a1\",\"obj\":{\"id\":11,\"name\":\"a11\",\"array\":[{\"id\":111,\"name\":\"a111\"},{\"id\":112,\"name\":\"a112\"}]}}";		String fotmated = GgsBase.formatToJson(region);		// fotmatStr = fotmatStr.replaceAll("\n", "
");		// fotmatStr = fotmatStr.replaceAll("\t", " ");		 System.out.println(fotmated);	}	/**	 * get json data backspace use '\t' new line use '\n'	 */	public static String formatToJson(String region) {		int level = 0;		StringBuffer preBuffer = new StringBuffer();		for (int i = 0; i < region.length(); i++) {			char c = region.charAt(i);			if (level > 0 && '\n' == preBuffer.charAt(preBuffer.length() - 1)) {				preBuffer.append(getLevelStr(level));			}			switch (c) {			case '{':			case '[':				preBuffer.append(c + "\n");				level++;				break;			case ',':				preBuffer.append(c + "\n");				break;			case '}':			case ']':				preBuffer.append("\n");				level--;				preBuffer.append(getLevelStr(level));				preBuffer.append(c);				break;			default:				preBuffer.append(c);				break;			}		}		return String.valueOf(preBuffer);	}	private static String getLevelStr(int level) {		StringBuffer lb = new StringBuffer();		for (int levelTmp = 0; levelTmp < level; levelTmp++) {			lb.append("\t");		}		return String.valueOf(lb);	}

{	"id":"1",	"name":"a1",	"obj":{		"id":11,		"name":"a11",		"array":[			{				"id":111,				"name":"a111"			},			{				"id":112,				"name":"a112"			}		]	}}