//获取全部
function getRoamAll(){
	$.ajax({
		type : "post",
		url : "../../easyAPI/roam/getRoam.action",
		contentType : "application/json;charset=utf-8",
		success : function(data) {
			showRoams(data);
		},
		error : function(XMLHttpRequest, textStatus, errorThrown) {
			console.log("获取路径信息失败!");
		}
	});
}