com.ruijc.util

Class HttpUtils

java.lang.Object

com.ruijc.util.HttpUtils

public class HttpUtils
extends Object

Http工具类

Author:

Storezhang

Field Summary

Fields

Modifier and Type	Field and Description
static String	HTTP_PROTCOL

Constructor Summary

Constructors

Constructor and Description
HttpUtils()

Method Summary

Modifier and Type	Method and Description
static boolean	checkSign(javax.servlet.ServletRequest req, String key) 检查签名是不是正确
static String	clientIP(javax.servlet.ServletRequest request) 如果通过了多级反向代理的话，X-Forwarded-For的值并不止一个，而是一串IP值，那么真 正的用户端的真实IP则是取X-Forwarded-For中第一个非unknown的有效IP字符串。
static String	decode(String from)
static String	decode(String from, String charset) URL解码
static String	encode(String from)
static String	encode(String from, String charset) URL编码
static String	finalUrl(String url) 获得最终的地址（包括301或者302等跳转后的地址）
static String	getReferer(javax.servlet.ServletRequest request) 取得客户端的Referer
static String	getString(javax.servlet.ServletRequest request)
static boolean	isAjax(javax.servlet.ServletRequest sr) 判断请求是不是Ajax请求
static javax.servlet.http.HttpServletRequest	toHttp(javax.servlet.ServletRequest request)
static javax.servlet.http.HttpServletResponse	toHttp(javax.servlet.ServletResponse response)
static void	write(javax.servlet.ServletResponse response, Object data) 向响应对象中输出字符串
static void	write(javax.servlet.ServletResponse response, String content) 向响应对象中输出字符串

Methods inherited from class java.lang.Object

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

Field Detail

HTTP_PROTCOL

public static final String HTTP_PROTCOL

See Also:

Constant Field Values

Constructor Detail

HttpUtils

public HttpUtils()

Method Detail

checkSign

public static boolean checkSign(javax.servlet.ServletRequest req,
                                String key)

检查签名是不是正确

Parameters:

req - 请求

key - 签名Key

Returns:

签名是否正确

write

public static void write(javax.servlet.ServletResponse response,
                         String content)
                  throws IOException

向响应对象中输出字符串

Parameters:

response - 响应对象

content - 内容

Throws:

IOException - 异常

write

public static void write(javax.servlet.ServletResponse response,
                         Object data)
                  throws IOException

向响应对象中输出字符串

Parameters:

response - 响应对象

data - 数据

Throws:

IOException - 异常

finalUrl

public static String finalUrl(String url)

获得最终的地址（包括301或者302等跳转后的地址）

Parameters:

url - 原始地址

Returns:

最终的地址

encode

public static String encode(String from)

encode

public static String encode(String from,
                            String charset)

URL编码

Parameters:

from - 编码前的字符串

charset - 编码

Returns:

编码后的字符串

decode

public static String decode(String from)

decode

public static String decode(String from,
                            String charset)

URL解码

Parameters:

from - 解码前的字符串

charset - 编码

Returns:

解码后的字符串

clientIP

public static String clientIP(javax.servlet.ServletRequest request)

如果通过了多级反向代理的话，X-Forwarded-For的值并不止一个，而是一串IP值，那么真 正的用户端的真实IP则是取X-Forwarded-For中第一个非unknown的有效IP字符串。

Parameters:

request - 请求对象

Returns:

真实IP

getReferer

public static String getReferer(javax.servlet.ServletRequest request)

取得客户端的Referer

Parameters:

request - 客户端请求

Returns:

Referer

getString

public static String getString(javax.servlet.ServletRequest request)
                        throws Exception

Throws:

Exception

isAjax

public static boolean isAjax(javax.servlet.ServletRequest sr)

判断请求是不是Ajax请求

Parameters:

sr - 请求

Returns:

是否是Ajax请求

toHttp

public static javax.servlet.http.HttpServletRequest toHttp(javax.servlet.ServletRequest request)

toHttp

public static javax.servlet.http.HttpServletResponse toHttp(javax.servlet.ServletResponse response)