程序包 io.springboot.captcha.base

类 ArithmeticCaptchaAbstract

java.lang.Object

io.springboot.captcha.base.Randoms

io.springboot.captcha.base.Captcha

io.springboot.captcha.base.ArithmeticCaptchaAbstract

直接已知子类:

ArithmeticCaptcha

public abstract class ArithmeticCaptchaAbstract
extends Captcha

算术验证码抽象类 Created by 王帆 on 2019-08-23 上午 10:08.

字段概要

字段

修饰符和类型	字段	说明
protected static int	algorithmSign	表达式复杂度
private String	arithmeticString	计算公式
protected static int	difficulty	难度

从类继承的字段 io.springboot.captcha.base.Captcha

chars, charType, COLOR, FONT_1, FONT_10, FONT_2, FONT_3, FONT_4, FONT_5, FONT_6, FONT_7, FONT_8, FONT_9, height, len, TYPE_DEFAULT, TYPE_NUM_AND_UPPER, TYPE_ONLY_CHAR, TYPE_ONLY_LOWER, TYPE_ONLY_NUMBER, TYPE_ONLY_UPPER, width

从类继承的字段 io.springboot.captcha.base.Randoms

ALPHA, charMaxIndex, charMinIndex, lowerMaxIndex, lowerMinIndex, numMaxIndex, RANDOM, upperMaxIndex, upperMinIndex

构造器概要

构造器

构造器	说明
ArithmeticCaptchaAbstract()

方法概要

修饰符和类型	方法	说明
protected char[]	alphas()	生成随机验证码
String	getArithmeticString()
void	setArithmeticString(String arithmeticString)
void	setDifficulty(int difficulty)
void	supportAlgorithmSign(int algorithmSign)	algorithmSign

从类继承的方法 io.springboot.captcha.base.Captcha

checkAlpha, color, color, drawBesselLine, drawBesselLine, drawLine, drawLine, drawOval, drawOval, getCharType, getContentType, getFont, getHeight, getLen, getWidth, out, setCharType, setFont, setFont, setFont, setFont, setHeight, setLen, setWidth, text, textChar, toBase64, toBase64

从类继承的方法 io.springboot.captcha.base.Randoms

alpha, alpha, alpha, num, num

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

arithmeticString

private String arithmeticString

计算公式

difficulty

protected static int difficulty

难度

algorithmSign

protected static int algorithmSign

表达式复杂度

构造器详细资料

ArithmeticCaptchaAbstract

public ArithmeticCaptchaAbstract()

方法详细资料

alphas

protected char[] alphas()

生成随机验证码

覆盖:

alphas 在类中 Captcha

返回:

验证码字符数组

getArithmeticString

public String getArithmeticString()

setArithmeticString

public void setArithmeticString(String arithmeticString)

setDifficulty

public void setDifficulty(int difficulty)

supportAlgorithmSign

public void supportAlgorithmSign(int algorithmSign)

algorithmSign

2 : 支持加法 algorithmSign

3 : 支持加减法 algorithmSign

4 : 支持加减乘法

5 : 支持加减乘除法

参数:

algorithmSign - 计算公式标示