com.jfinal.render

类 FileRender

java.lang.Object

com.jfinal.render.Render

com.jfinal.render.FileRender

public class FileRender
extends Render

FileRender.

字段概要

字段

限定符和类型	字段和说明
protected static String	baseDownloadPath
protected static String	DEFAULT_CONTENT_TYPE
protected String	downloadFileName
protected File	file
protected static boolean	normalRenderOnly
protected static javax.servlet.ServletContext	servletContext

从类继承的字段 com.jfinal.render.Render

request, response, view

构造器概要

构造器

构造器和说明
FileRender(File file)
FileRender(File file, String downloadFileName)
FileRender(String fileName)
FileRender(String fileName, String downloadFileName)

方法概要

限定符和类型	方法和说明
String	encodeFileName(javax.servlet.http.HttpServletRequest request, String fileName) 依据浏览器判断编码规则
protected String	encodeFileName(String fileName)
protected void	normalRender()
protected void	processRange(Long[] range) Examples of byte-ranges-specifier values (assuming an entity-body of length 10000): The first 500 bytes (byte offsets 0-499, inclusive): bytes=0-499 The second 500 bytes (byte offsets 500-999, inclusive): bytes=500-999 The final 500 bytes (byte offsets 9500-9999, inclusive): bytes=-500 Or bytes=9500-
protected void	rangeRender()
void	render() Render to client
static void	setNormalRenderOnly(boolean normalRenderOnly) 设置为 true 时，客户端只能单线程下载，用于减轻服务器压力 默认值为 false

从类继承的方法 com.jfinal.render.Render

getDevMode, getEncoding, getView, setContext, setContext, setView

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

字段详细资料

DEFAULT_CONTENT_TYPE

protected static final String DEFAULT_CONTENT_TYPE

另请参阅:

常量字段值

baseDownloadPath

protected static String baseDownloadPath

servletContext

protected static javax.servlet.ServletContext servletContext

normalRenderOnly

protected static boolean normalRenderOnly

file

protected File file

downloadFileName

protected String downloadFileName

构造器详细资料

FileRender

public FileRender(File file)

FileRender

public FileRender(File file,
                  String downloadFileName)

FileRender

public FileRender(String fileName)

FileRender

public FileRender(String fileName,
                  String downloadFileName)

方法详细资料

setNormalRenderOnly

public static void setNormalRenderOnly(boolean normalRenderOnly)

设置为 true 时，客户端只能单线程下载，用于减轻服务器压力 默认值为 false

render

public void render()

从类复制的说明: Render

Render to client

指定者:

render 在类中 Render

encodeFileName

protected String encodeFileName(String fileName)

encodeFileName

public String encodeFileName(javax.servlet.http.HttpServletRequest request,
                             String fileName)

依据浏览器判断编码规则

normalRender

protected void normalRender()

rangeRender

protected void rangeRender()

processRange

protected void processRange(Long[] range)

Examples of byte-ranges-specifier values (assuming an entity-body of length 10000): The first 500 bytes (byte offsets 0-499, inclusive): bytes=0-499 The second 500 bytes (byte offsets 500-999, inclusive): bytes=500-999 The final 500 bytes (byte offsets 9500-9999, inclusive): bytes=-500 Or bytes=9500-