com.len.util

Class VerifyCodeUtils

java.lang.Object

com.len.util.VerifyCodeUtils

public class VerifyCodeUtils
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	VerifyCodeUtils.Verify 验证码对象

Field Summary

Fields

Modifier and Type	Field and Description
static String	VERIFY_CODES

Constructor Summary

Constructors

Constructor and Description
VerifyCodeUtils()

Method Summary

Modifier and Type	Method and Description
static VerifyCodeUtils.Verify	generateVerify() 使用系统默认字符源生成验证码
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	main(String[] args)
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 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

VerifyCodeUtils

public VerifyCodeUtils()

Method Detail

generateVerify

public static VerifyCodeUtils.Verify generateVerify()

使用系统默认字符源生成验证码

Parameters:

verifySize - 验证码长度

Returns:

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

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

Returns:

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 -

Returns:

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 -

Returns:

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)
                        throws IOException

输出指定验证码图片流

Parameters:

w -

h -

os -

code -

Throws:

IOException

main

public static void main(String[] args)
                 throws IOException

Throws:

IOException