Build handler chain

获取Connection @param httpMethod @return @throws IOException @throws NoSuchAlgorithmException @throws NoSuchProviderException @throws KeyManagementExce

获取json字符串 @param request @return

The URL scheme used for this request, without taking proxy into account. Eg: http, https @return URL scheme used for this request, without taking pro

Returns the preferred <code>Locale</code> that the client will accept content in, based on the Accept-Language header. If the client request doesn't p

Returns an <code>ImmutableList</code> of <code>Locale</code> objects indicating, in decreasing order starting with the preferred locale, the locales t

获取更新的属性列表 @return Map<String, Object>

@param subject 主题 @param recipients 收件人

Return param name of this route.

Get param of any type.

Returns all Param objects for the specified param saved on the server's filesystem @return a Param objects.

获取所有的主键值 @return

@param subject 主题 @param body 内容 @param recipients 收件人

Returns the value of the parameter in as a string (using the parser-specified encoding to convert from bytes) or the empty string if the user entered

Column type name as reported by DBMS driver. @return column type name as reported by DBMS driver.

获取所有验证器 @param validClasses 验证器的class @return Valid[]

A writer you can write to to send response as text. <p/> The charset used is the one returned by getCharset(), or UTF-8 if not set. <p/> It is strongl

捕获异常 并就行跳转 @param response response @param status status @param isHandled isHandled @return url @throws ServletException @throws IOException

returns true if this attribute is present in this meta model. This method i case insensitive. @param column attribute name, case insensitive. @return

处理异常 @param request @param response @param exception @param isHandled

读取session @param request @return

是不是已经开始了 @return boolean

判断是否是需要排除的请求 @param requestURI 请求uri @return boolean

@param value 输入内容限制为英文字母 、数字和下划线 @return boolean

Returns true if this Part is a ParamPart. @return true if this is a ParamPart.