com.sinosoftgz.starter.utils.web

类 WebUtils

java.lang.Object

com.sinosoftgz.starter.utils.web.WebUtils

public class WebUtils
extends Object

Web工具类

Created by Roney on 2019/3/26 16:50

作者:

Roney

字段概要

字段

限定符和类型	字段和说明
static String	JSONP_CALLBACK_NAME JSONP请求函数参数名

方法概要

限定符和类型	方法和说明
static String	addParamsWithTimestamp(String url, Object... args) 对URL增加参数，并且添加默认的时间戳
static Map<String,javax.servlet.http.Cookie>	cookieMap(javax.servlet.http.HttpServletRequest request) 根据传入的request获取当前有效的cookieMap
static String	getAbsUri(javax.servlet.http.HttpServletRequest req) 获取绝对URI
static String	getAbsUrl(javax.servlet.http.HttpServletRequest req) 获取绝对地址
static String	getAppUrl(javax.servlet.http.HttpServletRequest req) 获取应用根地址
static javax.servlet.http.Cookie	getCookie(javax.servlet.http.HttpServletRequest req, String name) 通过名字寻找Cookie
static String	getIp(javax.servlet.http.HttpServletRequest request)
static InetAddress	getLocalAddress() 获得本机Ip
static Map<String,Object>	getParameterMap(javax.servlet.http.HttpServletRequest request, String charset) 将请求参数字符串转换为Map，可制定特定编码避免乱码
static Map<String,Object>	getParameterMap(String queryString, String charset) 将查询参数转换为Map
static <T> T	getParameterObject(Class<T> type, javax.servlet.http.HttpServletRequest request, String charset) 将参数转换为制定类型的对象，可制定特定的编码来避免乱码
static <T> T	getParameterObject(Class<T> type, String queryString, String charset) 将QueryString转换为对象
static String	getParameterString(javax.servlet.http.HttpServletRequest request, String charset) 获取参数字符串，包括queryString和post过来的那部分数据（Post时会关闭数据流，不可用于上传文件的请求的解析）
static PrintWriter	getWriter(javax.servlet.http.HttpServletResponse response) 从response对象获取字符流写入器，无论response是否被调用过getOutputStream
static boolean	isAjaxRequest(javax.servlet.http.HttpServletRequest request)

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

JSONP_CALLBACK_NAME

public static final String JSONP_CALLBACK_NAME

JSONP请求函数参数名

另请参阅:

常量字段值

方法详细资料

cookieMap

public static Map<String,javax.servlet.http.Cookie> cookieMap(javax.servlet.http.HttpServletRequest request)

根据传入的request获取当前有效的cookieMap

参数:

request -

返回:

isAjaxRequest

public static boolean isAjaxRequest(javax.servlet.http.HttpServletRequest request)

getIp

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

getWriter

public static PrintWriter getWriter(javax.servlet.http.HttpServletResponse response)
                             throws IOException

从response对象获取字符流写入器，无论response是否被调用过getOutputStream

参数:

response -

返回:

抛出:

IOException

addParamsWithTimestamp

public static String addParamsWithTimestamp(String url,
                                            Object... args)
                                     throws UnsupportedEncodingException

对URL增加参数，并且添加默认的时间戳

参数:

url -

args -

返回:

抛出:

UnsupportedEncodingException

getAbsUrl

public static String getAbsUrl(javax.servlet.http.HttpServletRequest req)

获取绝对地址

参数:

req -

返回:

getAbsUri

public static String getAbsUri(javax.servlet.http.HttpServletRequest req)

获取绝对URI

参数:

req -

返回:

getAppUrl

public static String getAppUrl(javax.servlet.http.HttpServletRequest req)

获取应用根地址

参数:

req -

返回:

getCookie

public static javax.servlet.http.Cookie getCookie(javax.servlet.http.HttpServletRequest req,
                                                  String name)

通过名字寻找Cookie

参数:

req -

name -

返回:

getParameterObject

public static <T> T getParameterObject(Class<T> type,
                                       String queryString,
                                       String charset)

将QueryString转换为对象

参数:

type -

queryString -

charset -

返回:

抛出:

IllegalAccessException

InstantiationException

UnsupportedEncodingException

getParameterMap

public static Map<String,Object> getParameterMap(String queryString,
                                                 String charset)

将查询参数转换为Map

参数:

queryString -

charset -

返回:

getParameterMap

public static Map<String,Object> getParameterMap(javax.servlet.http.HttpServletRequest request,
                                                 String charset)
                                          throws IOException

将请求参数字符串转换为Map，可制定特定编码避免乱码

参数:

request -

charset -

返回:

抛出:

IOException

getParameterObject

public static <T> T getParameterObject(Class<T> type,
                                       javax.servlet.http.HttpServletRequest request,
                                       String charset)
                                throws IOException

将参数转换为制定类型的对象，可制定特定的编码来避免乱码

参数:

type -

request -

charset -

返回:

抛出:

IOException

getParameterString

public static String getParameterString(javax.servlet.http.HttpServletRequest request,
                                        String charset)
                                 throws IOException

获取参数字符串，包括queryString和post过来的那部分数据（Post时会关闭数据流，不可用于上传文件的请求的解析）

参数:

request -

charset -

返回:

抛出:

IOException

getLocalAddress

public static InetAddress getLocalAddress()

获得本机Ip

返回:

InetAddress