goja-web/src/main/java/goja/mvc/AjaxMessage.java
public static AjaxMessage failure(String message, Exception exception) {
        return failure(message, null, exception);
    }
public static AjaxMessage failure(String message, Exception exception) {
        return failure(message, null, exception);
    }
public static AjaxMessage failure ( String message , Exception exception ) { return failure ( message , null , exception ) ; }
返回处理失败的消息内容

@param message   Toast
@param exception exception
@return message content
返回处理失败的消息内容