goja-web/src/main/java/goja/mvc/kits/Requests.java
public static String param(HttpServletRequest request, String param, String defaultValue) {
        String value = request.getParameter(param);
        return (StringUtils.isEmpty(value)) ? defaultValue : value;
    }
public static String param(HttpServletRequest request, String param, String defaultValue) {
        String value = request.getParameter(param);
        return (StringUtils.isEmpty(value)) ? defaultValue : value;
    }
public static String param ( HttpServletRequest request , String param , String defaultValue ) { String value = request . getParameter ( param ) ; return ( StringUtils . isEmpty ( value ) ) ? defaultValue : value ; }
获取浏览器提交的字符串参

@param request      当前请求
@param param        参数
@param defaultValue 默认值
@return 值
获取浏览器提交的字符串参