com.wf.captcha.utils

类 CaptchaUtil

java.lang.Object

com.wf.captcha.utils.CaptchaUtil

public class CaptchaUtil
extends Object

图形验证码工具类 Created by 王帆 on 2018-07-27 上午 10:08.

构造器概要

构造器

构造器和说明
CaptchaUtil()

方法概要

限定符和类型	方法和说明
static void	clear(javax.servlet.http.HttpServletRequest request) 清除session中的验证码
static void	out(Captcha captcha, javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) 输出验证码
static void	out(Font font, javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) 输出验证码
static void	out(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) 输出验证码
static void	out(int len, Font font, javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) 输出验证码
static void	out(int len, javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) 输出验证码
static void	out(int width, int height, int len, Font font, javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) 输出验证码
static void	out(int width, int height, int len, javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) 输出验证码
static void	setHeader(javax.servlet.http.HttpServletResponse response) 设置相应头
static boolean	ver(String code, javax.servlet.http.HttpServletRequest request) 验证验证码

从类继承的方法 java.lang.Object

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

构造器详细资料

CaptchaUtil

public CaptchaUtil()

方法详细资料

out

public static void out(javax.servlet.http.HttpServletRequest request,
                       javax.servlet.http.HttpServletResponse response)
                throws IOException

输出验证码

参数:

request - HttpServletRequest

response - HttpServletResponse

抛出:

IOException - IO异常

out

public static void out(int len,
                       javax.servlet.http.HttpServletRequest request,
                       javax.servlet.http.HttpServletResponse response)
                throws IOException

输出验证码

参数:

len - 长度

request - HttpServletRequest

response - HttpServletResponse

抛出:

IOException - IO异常

out

public static void out(int width,
                       int height,
                       int len,
                       javax.servlet.http.HttpServletRequest request,
                       javax.servlet.http.HttpServletResponse response)
                throws IOException

输出验证码

参数:

width - 宽度

height - 高度

len - 长度

request - HttpServletRequest

response - HttpServletResponse

抛出:

IOException - IO异常

out

public static void out(Font font,
                       javax.servlet.http.HttpServletRequest request,
                       javax.servlet.http.HttpServletResponse response)
                throws IOException

输出验证码

参数:

font - 字体

request - HttpServletRequest

response - HttpServletResponse

抛出:

IOException - IO异常

out

public static void out(int len,
                       Font font,
                       javax.servlet.http.HttpServletRequest request,
                       javax.servlet.http.HttpServletResponse response)
                throws IOException

输出验证码

参数:

len - 长度

font - 字体

request - HttpServletRequest

response - HttpServletResponse

抛出:

IOException - IO异常

out

public static void out(int width,
                       int height,
                       int len,
                       Font font,
                       javax.servlet.http.HttpServletRequest request,
                       javax.servlet.http.HttpServletResponse response)
                throws IOException

输出验证码

参数:

width - 宽度

height - 高度

len - 长度

font - 字体

request - HttpServletRequest

response - HttpServletResponse

抛出:

IOException - IO异常

out

public static void out(Captcha captcha,
                       javax.servlet.http.HttpServletRequest request,
                       javax.servlet.http.HttpServletResponse response)
                throws IOException

输出验证码

参数:

captcha - Captcha

request - HttpServletRequest

response - HttpServletResponse

抛出:

IOException - IO异常

ver

public static boolean ver(String code,
                          javax.servlet.http.HttpServletRequest request)

验证验证码

参数:

code - 用户输入的验证码

request - HttpServletRequest

返回:

是否正确

clear

public static void clear(javax.servlet.http.HttpServletRequest request)

清除session中的验证码

参数:

request - HttpServletRequest

setHeader

public static void setHeader(javax.servlet.http.HttpServletResponse response)

设置相应头

参数:

response - HttpServletResponse