格式化输出json字符串

$(function(){
	var text = $("#message").text();
	$("#newMessage").text(formatJsonString(text));
});
function formatJsonString(orgText){
	var length = orgText.length;
	var newText = "";
	var currentTabNum = 0;
	for(var i=0;i<length;i++){
		if(orgText[i]=="{"){
			currentTabNum++;
			newText += orgText[i];
			newText += ("\n" + getTabString(currentTabNum));
		}else if(orgText[i]=="}"){
			currentTabNum--;
			newText += ("\n" + getTabString(currentTabNum));
			newText += orgText[i];
		}else if(orgText[i]==","){
			newText += orgText[i];
			newText += ("\n" + getTabString(currentTabNum));
		}else{
			newText += orgText[i];
		}
	}
	return newText;
}
function getTabString(count){
	var tabString = "";
	for(var i=0;i<count;i++){
		tabString+="  ";
	}
	return tabString;
}