cn.benma666.myutils

类 WebUtil

java.lang.Object

cn.benma666.iframe.BasicObject

cn.benma666.myutils.WebUtil

public class WebUtil
extends BasicObject

字段概要

字段

限定符和类型	字段和说明
static String	CONTENTTYPE_APPLICATION_EXCEL
static String	CONTENTTYPE_APPLICATION_JSON
static String	CONTENTTYPE_APPLICATION_STREAM 文件
static String	CONTENTTYPE_TEXT
static String	CONTENTTYPE_TEXTHTML
static String	CONTENTTYPE_TEXTJSON
static String	CONTENTTYPE_TEXTXML

从类继承的字段 cn.benma666.iframe.BasicObject

defaultCache, log, slog

构造器概要

构造器

构造器和说明
WebUtil()

方法概要

限定符和类型	方法和说明
static String	getBasePath(javax.servlet.http.HttpServletRequest request)
static boolean	getBoolean(javax.servlet.http.HttpServletRequest request, String name, boolean dval)
static double	getDouble(javax.servlet.http.HttpServletRequest request, String name, double dval)
static float	getFloat(javax.servlet.http.HttpServletRequest request, String name, float dval)
static int	getInt(javax.servlet.http.HttpServletRequest request, String name, int dval)
static String	getIpAddr(javax.servlet.http.HttpServletRequest request) 获取IP
static long	getLong(javax.servlet.http.HttpServletRequest request, String name, long dval)
static String	getRealIpAddr(javax.servlet.http.HttpServletRequest request) 获取真实IP
static String	getString(javax.servlet.http.HttpServletRequest request, String name, String dval)
static Double	getTimeToDouble(Date t)
static Object[]	removeNUll(Object... args) 去除null
static void	sendBytes(javax.servlet.http.HttpServletResponse resp, byte[] data, SysSjglFile fileObj) 将字节数组以文件下载的形式输出
static void	sendDirectToClient(javax.servlet.http.HttpServletResponse resp, String s, String contentType, String charset)
static void	sendFile(javax.servlet.http.HttpServletResponse resp, File file, SysSjglFile fileObj) 从磁盘上下载所需的文件信息
static void	sendFile(javax.servlet.http.HttpServletResponse resp, String data, SysSjglFile fileObj) 将字符串以文件形式下载
static void	sendJson(javax.servlet.http.HttpServletResponse response, Object o) 对象序列化为json
static void	sendJson(javax.servlet.http.HttpServletResponse response, String s) json字符串
static void	sendText(javax.servlet.http.HttpServletResponse response, String s)
static void	setFileDownloadHead(javax.servlet.http.HttpServletResponse resp, SysSjglFile fileObj) 设置文件下载头

从类继承的方法 cn.benma666.iframe.BasicObject

db, db, failed, failed, isBlank, requireNonNull, sqlManager, sqlManager, success, success, swtj, valByDef

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

CONTENTTYPE_APPLICATION_STREAM

public static final String CONTENTTYPE_APPLICATION_STREAM

文件

另请参阅:

常量字段值

CONTENTTYPE_APPLICATION_EXCEL

public static final String CONTENTTYPE_APPLICATION_EXCEL

另请参阅:

常量字段值

CONTENTTYPE_APPLICATION_JSON

public static final String CONTENTTYPE_APPLICATION_JSON

另请参阅:

常量字段值

CONTENTTYPE_TEXTHTML

public static final String CONTENTTYPE_TEXTHTML

另请参阅:

常量字段值

CONTENTTYPE_TEXTJSON

public static final String CONTENTTYPE_TEXTJSON

另请参阅:

常量字段值

CONTENTTYPE_TEXTXML

public static final String CONTENTTYPE_TEXTXML

另请参阅:

常量字段值

CONTENTTYPE_TEXT

public static final String CONTENTTYPE_TEXT

另请参阅:

常量字段值

构造器详细资料

WebUtil

public WebUtil()

方法详细资料

sendText

public static void sendText(javax.servlet.http.HttpServletResponse response,
                            String s)

sendJson

public static void sendJson(javax.servlet.http.HttpServletResponse response,
                            String s)

json字符串

参数:

response -

s -

sendJson

public static void sendJson(javax.servlet.http.HttpServletResponse response,
                            Object o)

对象序列化为json

参数:

response -

o -

sendDirectToClient

public static void sendDirectToClient(javax.servlet.http.HttpServletResponse resp,
                                      String s,
                                      String contentType,
                                      String charset)

sendBytes

public static void sendBytes(javax.servlet.http.HttpServletResponse resp,
                             byte[] data,
                             SysSjglFile fileObj)

将字节数组以文件下载的形式输出

参数:

resp -

data - 字节数组

fileObj - 文件对象

setFileDownloadHead

public static void setFileDownloadHead(javax.servlet.http.HttpServletResponse resp,
                                       SysSjglFile fileObj)
                                throws UnsupportedEncodingException

设置文件下载头

参数:

resp -

fileObj -

抛出:

UnsupportedEncodingException

sendFile

public static void sendFile(javax.servlet.http.HttpServletResponse resp,
                            String data,
                            SysSjglFile fileObj)

将字符串以文件形式下载

参数:

resp - 响应信息

data - 字符串

fileObj - 文件对象

sendFile

public static void sendFile(javax.servlet.http.HttpServletResponse resp,
                            File file,
                            SysSjglFile fileObj)

从磁盘上下载所需的文件信息

参数:

resp - 响应信息

file - 文件的信息

fileObj - 文件对象

getString

public static String getString(javax.servlet.http.HttpServletRequest request,
                               String name,
                               String dval)

参数:

request -

name - 参数名

dval - 默认赋值

返回:

String

抛出:

getBoolean

public static boolean getBoolean(javax.servlet.http.HttpServletRequest request,
                                 String name,
                                 boolean dval)

getInt

public static int getInt(javax.servlet.http.HttpServletRequest request,
                         String name,
                         int dval)

getLong

public static long getLong(javax.servlet.http.HttpServletRequest request,
                           String name,
                           long dval)

getDouble

public static double getDouble(javax.servlet.http.HttpServletRequest request,
                               String name,
                               double dval)

getFloat

public static float getFloat(javax.servlet.http.HttpServletRequest request,
                             String name,
                             float dval)

getBasePath

public static String getBasePath(javax.servlet.http.HttpServletRequest request)

getIpAddr

public static String getIpAddr(javax.servlet.http.HttpServletRequest request)

获取IP

参数:

request -

返回:

getRealIpAddr

public static String getRealIpAddr(javax.servlet.http.HttpServletRequest request)

获取真实IP

参数:

request -

返回:

removeNUll

public static Object[] removeNUll(Object... args)

去除null

参数:

args - 多个参数 例如： String s1,String s2........等

返回:

getTimeToDouble

public static Double getTimeToDouble(Date t)