cn.cliveyuan.tools.web

Class VerifyCodeTools

java.lang.Object

cn.cliveyuan.tools.web.VerifyCodeTools

public class VerifyCodeTools
extends Object

验证码工具

Author:

CliveYuan Created on 2017年10月17日 下午8:47:20

Field Summary

Fields

Modifier and Type	Field and Description
static String	VERIFY_CODES

Constructor Summary

Constructors

Constructor and Description
VerifyCodeTools()

Method Summary

Modifier and Type	Method and Description
static CaptchaCodeResult	generateLetterNumVerifyCode(int verifySize) 生成字母数字验证码
static CaptchaCodeResult	generateMathAddVerifyCode(int startInt, int endInt) 生成范围内的加法验证码 (边界都包括)
static String	generateVerifyCode(int verifySize) 使用系统默认字符源生成验证码
static String	generateVerifyCode(int verifySize, String sources) 使用指定源生成验证码
static void	outputImage(int w, int h, File outputFile, String code) 生成指定验证码图像文件
static void	outputImage(int w, int h, OutputStream os, String code) 输出指定验证码图片流
static void	outputImage(int w, int h, OutputStream os, String code, boolean isRotate)
static String	outputVerifyImage(int w, int h, File outputFile, int verifySize) 生成随机验证码文件,并返回验证码值
static String	outputVerifyImage(int w, int h, OutputStream os, int verifySize) 输出随机验证码图片流,并返回验证码值

Methods inherited from class java.lang.Object

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

Field Detail

VERIFY_CODES

public static final String VERIFY_CODES

See Also:

Constant Field Values

Constructor Detail

VerifyCodeTools

public VerifyCodeTools()

Method Detail

generateVerifyCode

public static String generateVerifyCode(int verifySize)

使用系统默认字符源生成验证码

Parameters:

verifySize - 验证码长度

generateLetterNumVerifyCode

public static CaptchaCodeResult generateLetterNumVerifyCode(int verifySize)

生成字母数字验证码

Parameters:

verifySize - 验证码长度

Returns:

generateMathAddVerifyCode

public static CaptchaCodeResult generateMathAddVerifyCode(int startInt,
                                                          int endInt)

生成范围内的加法验证码 (边界都包括)

Parameters:

startInt - 开始 (大于0)

endInt - 结束 (大于0)

Returns:

generateVerifyCode

public static String generateVerifyCode(int verifySize,
                                        String sources)

使用指定源生成验证码

Parameters:

verifySize - 验证码长度

sources - 验证码字符源

outputVerifyImage

public static String outputVerifyImage(int w,
                                       int h,
                                       File outputFile,
                                       int verifySize)
                                throws IOException

生成随机验证码文件,并返回验证码值

Parameters:

w -

h -

outputFile -

verifySize -

Throws:

IOException

outputVerifyImage

public static String outputVerifyImage(int w,
                                       int h,
                                       OutputStream os,
                                       int verifySize)
                                throws IOException

输出随机验证码图片流,并返回验证码值

Parameters:

w -

h -

os -

verifySize -

Throws:

IOException

outputImage

public static void outputImage(int w,
                               int h,
                               File outputFile,
                               String code)
                        throws IOException

生成指定验证码图像文件

Parameters:

w -

h -

outputFile -

code -

Throws:

IOException

outputImage

public static void outputImage(int w,
                               int h,
                               OutputStream os,
                               String code,
                               boolean isRotate)
                        throws IOException

Throws:

IOException

outputImage

public static void outputImage(int w,
                               int h,
                               OutputStream os,
                               String code)
                        throws IOException

输出指定验证码图片流

Parameters:

w -

h -

os -

code -

Throws:

IOException