咨询空数据Bug修复

src/main/webapp/js/consult.js

			text = "";
			state = "";
		}
		//数据为空时
		if(data[i]["professor"] == undefined || data[i]["professor"] == null){
			return ;
		}
		
		if(data[i]["professor"]["title"] == undefined){
			data[i]["professor"]["title"] = '';
		dataType: "json",
		contentType: "application/x-www-form-urlencoded",
		success:function(response){
			//数据为空时
			if(response["data"]["data"] == null || response["data"]["data"] == undefined || response["data"]["data"] == ""){
				return false;
				return ;
			}
			else{
				//拿到收到回复数据
		dataType: "json",
		contentType: "application/x-www-form-urlencoded",
		success:function(response){
			//数据为空时
			if(response["data"]["data"] == null || response["data"]["data"] == undefined || response["data"]["data"] == ""){
				return false;
				return ;
			}
			else{
				var consultStr;