MigrateRepos
/
EasyCaptcha
mirror of https://github.com/whvcse/EasyCaptcha.git
1
0
Fork 0
Code Issues Releases Wiki Activity

修复验证码位数的bug，优化代码

This commit is contained in:
synchronized 2018-07-27 12:02:33 +08:00
parent a4e61fd633
commit a548f7af0b
16 changed files with 675 additions and 461 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

43
.gitignore vendored
View File

@ -1,24 +1,25 @@
# Compiled class file /target/
*.class !.mvn/wrapper/maven-wrapper.jar
# Log file ### STS ###
*.log .apt_generated
.classpath
.factorypath
.project
.settings
.springBeans
.sts4-cache
# BlueJ files ### IntelliJ IDEA ###
*.ctxt .idea
*.iws
*.iml
*.ipr
# Mobile Tools for Java (J2ME) ### NetBeans ###
.mtj.tmp/ /nbproject/private/
/build/
# Package Files # /nbbuild/
*.jar /dist/
*.war /nbdist/
*.ear /.nb-gradle/
*.zip
*.tar.gz
*.rar
# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
hs_err_pid*
/bin
/target

6
.idea/encodings.xml Normal file
View File

@ -0,0 +1,6 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="Encoding">
<file url="file://$PROJECT_DIR$" charset="UTF-8" />
</component>
</project>

13
.idea/libraries/Maven__junit_junit_4_7.xml Normal file
View File

@ -0,0 +1,13 @@
<component name="libraryTable">
<library name="Maven: junit:junit:4.7">
<CLASSES>
<root url="jar://$USER_HOME$/.m2/repository/junit/junit/4.7/junit-4.7.jar!/" />
</CLASSES>
<JAVADOC>
<root url="jar://$USER_HOME$/.m2/repository/junit/junit/4.7/junit-4.7-javadoc.jar!/" />
</JAVADOC>
<SOURCES>
<root url="jar://$USER_HOME$/.m2/repository/junit/junit/4.7/junit-4.7-sources.jar!/" />
</SOURCES>
</library>
</component>

124
.idea/uiDesigner.xml Normal file
View File

@ -0,0 +1,124 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="Palette2">
<group name="Swing">
<item class="com.intellij.uiDesigner.HSpacer" tooltip-text="Horizontal Spacer" icon="/com/intellij/uiDesigner/icons/hspacer.png" removable="false" auto-create-binding="false" can-attach-label="false">
<default-constraints vsize-policy="1" hsize-policy="6" anchor="0" fill="1" />
</item>
<item class="com.intellij.uiDesigner.VSpacer" tooltip-text="Vertical Spacer" icon="/com/intellij/uiDesigner/icons/vspacer.png" removable="false" auto-create-binding="false" can-attach-label="false">
<default-constraints vsize-policy="6" hsize-policy="1" anchor="0" fill="2" />
</item>
<item class="javax.swing.JPanel" icon="/com/intellij/uiDesigner/icons/panel.png" removable="false" auto-create-binding="false" can-attach-label="false">
<default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3" />
</item>
<item class="javax.swing.JScrollPane" icon="/com/intellij/uiDesigner/icons/scrollPane.png" removable="false" auto-create-binding="false" can-attach-label="true">
<default-constraints vsize-policy="7" hsize-policy="7" anchor="0" fill="3" />
</item>
<item class="javax.swing.JButton" icon="/com/intellij/uiDesigner/icons/button.png" removable="false" auto-create-binding="true" can-attach-label="false">
<default-constraints vsize-policy="0" hsize-policy="3" anchor="0" fill="1" />
<initial-values>
<property name="text" value="Button" />
</initial-values>
</item>
<item class="javax.swing.JRadioButton" icon="/com/intellij/uiDesigner/icons/radioButton.png" removable="false" auto-create-binding="true" can-attach-label="false">
<default-constraints vsize-policy="0" hsize-policy="3" anchor="8" fill="0" />
<initial-values>
<property name="text" value="RadioButton" />
</initial-values>
</item>
<item class="javax.swing.JCheckBox" icon="/com/intellij/uiDesigner/icons/checkBox.png" removable="false" auto-create-binding="true" can-attach-label="false">
<default-constraints vsize-policy="0" hsize-policy="3" anchor="8" fill="0" />
<initial-values>
<property name="text" value="CheckBox" />
</initial-values>
</item>
<item class="javax.swing.JLabel" icon="/com/intellij/uiDesigner/icons/label.png" removable="false" auto-create-binding="false" can-attach-label="false">
<default-constraints vsize-policy="0" hsize-policy="0" anchor="8" fill="0" />
<initial-values>
<property name="text" value="Label" />
</initial-values>
</item>
<item class="javax.swing.JTextField" icon="/com/intellij/uiDesigner/icons/textField.png" removable="false" auto-create-binding="true" can-attach-label="true">
<default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
<preferred-size width="150" height="-1" />
</default-constraints>
</item>
<item class="javax.swing.JPasswordField" icon="/com/intellij/uiDesigner/icons/passwordField.png" removable="false" auto-create-binding="true" can-attach-label="true">
<default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
<preferred-size width="150" height="-1" />
</default-constraints>
</item>
<item class="javax.swing.JFormattedTextField" icon="/com/intellij/uiDesigner/icons/formattedTextField.png" removable="false" auto-create-binding="true" can-attach-label="true">
<default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
<preferred-size width="150" height="-1" />
</default-constraints>
</item>
<item class="javax.swing.JTextArea" icon="/com/intellij/uiDesigner/icons/textArea.png" removable="false" auto-create-binding="true" can-attach-label="true">
<default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
<preferred-size width="150" height="50" />
</default-constraints>
</item>
<item class="javax.swing.JTextPane" icon="/com/intellij/uiDesigner/icons/textPane.png" removable="false" auto-create-binding="true" can-attach-label="true">
<default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
<preferred-size width="150" height="50" />
</default-constraints>
</item>
<item class="javax.swing.JEditorPane" icon="/com/intellij/uiDesigner/icons/editorPane.png" removable="false" auto-create-binding="true" can-attach-label="true">
<default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
<preferred-size width="150" height="50" />
</default-constraints>
</item>
<item class="javax.swing.JComboBox" icon="/com/intellij/uiDesigner/icons/comboBox.png" removable="false" auto-create-binding="true" can-attach-label="true">
<default-constraints vsize-policy="0" hsize-policy="2" anchor="8" fill="1" />
</item>
<item class="javax.swing.JTable" icon="/com/intellij/uiDesigner/icons/table.png" removable="false" auto-create-binding="true" can-attach-label="false">
<default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
<preferred-size width="150" height="50" />
</default-constraints>
</item>
<item class="javax.swing.JList" icon="/com/intellij/uiDesigner/icons/list.png" removable="false" auto-create-binding="true" can-attach-label="false">
<default-constraints vsize-policy="6" hsize-policy="2" anchor="0" fill="3">
<preferred-size width="150" height="50" />
</default-constraints>
</item>
<item class="javax.swing.JTree" icon="/com/intellij/uiDesigner/icons/tree.png" removable="false" auto-create-binding="true" can-attach-label="false">
<default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
<preferred-size width="150" height="50" />
</default-constraints>
</item>
<item class="javax.swing.JTabbedPane" icon="/com/intellij/uiDesigner/icons/tabbedPane.png" removable="false" auto-create-binding="true" can-attach-label="false">
<default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3">
<preferred-size width="200" height="200" />
</default-constraints>
</item>
<item class="javax.swing.JSplitPane" icon="/com/intellij/uiDesigner/icons/splitPane.png" removable="false" auto-create-binding="false" can-attach-label="false">
<default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3">
<preferred-size width="200" height="200" />
</default-constraints>
</item>
<item class="javax.swing.JSpinner" icon="/com/intellij/uiDesigner/icons/spinner.png" removable="false" auto-create-binding="true" can-attach-label="true">
<default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1" />
</item>
<item class="javax.swing.JSlider" icon="/com/intellij/uiDesigner/icons/slider.png" removable="false" auto-create-binding="true" can-attach-label="false">
<default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1" />
</item>
<item class="javax.swing.JSeparator" icon="/com/intellij/uiDesigner/icons/separator.png" removable="false" auto-create-binding="false" can-attach-label="false">
<default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3" />
</item>
<item class="javax.swing.JProgressBar" icon="/com/intellij/uiDesigner/icons/progressbar.png" removable="false" auto-create-binding="true" can-attach-label="false">
<default-constraints vsize-policy="0" hsize-policy="6" anchor="0" fill="1" />
</item>
<item class="javax.swing.JToolBar" icon="/com/intellij/uiDesigner/icons/toolbar.png" removable="false" auto-create-binding="false" can-attach-label="false">
<default-constraints vsize-policy="0" hsize-policy="6" anchor="0" fill="1">
<preferred-size width="-1" height="20" />
</default-constraints>
</item>
<item class="javax.swing.JToolBar$Separator" icon="/com/intellij/uiDesigner/icons/toolbarSeparator.png" removable="false" auto-create-binding="false" can-attach-label="false">
<default-constraints vsize-policy="0" hsize-policy="0" anchor="0" fill="1" />
</item>
<item class="javax.swing.JScrollBar" icon="/com/intellij/uiDesigner/icons/scrollbar.png" removable="false" auto-create-binding="true" can-attach-label="false">
<default-constraints vsize-policy="6" hsize-policy="0" anchor="0" fill="2" />
</item>
</group>
</component>
</project>

2
EasyCaptcha.iml
View File

@ -5,10 +5,12 @@
<output-test url="file://$MODULE_DIR$/target/test-classes" /> <output-test url="file://$MODULE_DIR$/target/test-classes" />
<content url="file://$MODULE_DIR$"> <content url="file://$MODULE_DIR$">
<sourceFolder url="file://$MODULE_DIR$/src/main/java" isTestSource="false" /> <sourceFolder url="file://$MODULE_DIR$/src/main/java" isTestSource="false" />
<sourceFolder url="file://$MODULE_DIR$/src/test/java" isTestSource="true" />
<excludeFolder url="file://$MODULE_DIR$/target" /> <excludeFolder url="file://$MODULE_DIR$/target" />
</content> </content>
<orderEntry type="inheritedJdk" /> <orderEntry type="inheritedJdk" />
<orderEntry type="sourceFolder" forTests="false" /> <orderEntry type="sourceFolder" forTests="false" />
<orderEntry type="library" scope="PROVIDED" name="Maven: javax.servlet:javax.servlet-api:3.1.0" level="project" /> <orderEntry type="library" scope="PROVIDED" name="Maven: javax.servlet:javax.servlet-api:3.1.0" level="project" />
<orderEntry type="library" scope="TEST" name="Maven: junit:junit:4.7" level="project" />
</component> </component>
</module> </module>

161
pom.xml
View File

@ -1,30 +1,137 @@
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion> <modelVersion>4.0.0</modelVersion>
<groupId>EasyCaptcha</groupId>
<artifactId>EasyCaptcha</artifactId>
<version>1.1.0-RELEASE</version>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<source>6</source>
<target>6</target>
</configuration>
</plugin>
</plugins>
</build>
<name>EasyCaptcha</name>
<dependencies> <groupId>com.github.whvcse</groupId>
<!-- j2ee环境 -->
<dependency> <artifactId>EasyCaptcha</artifactId>
<groupId>javax.servlet</groupId> <version>1.1.0-RELEASE</version>
<artifactId>javax.servlet-api</artifactId> <packaging>jar</packaging>
<version>3.1.0</version>
<scope>provided</scope> <name>EasyCaptcha</name>
</dependency> <description>Java web图形验证码，支持gif验证码。</description>
</dependencies> <url>https://github.com/whvcse/EasyCaptcha</url>
<licenses>
<license>
<name>The Apache Software License, Version 2.0</name>
<url>http://www.apache.org/licenses/LICENSE-2.0.txt</url>
<distribution>repo</distribution>
</license>
</licenses>
<parent>
<groupId>org.sonatype.oss</groupId>
<artifactId>oss-parent</artifactId>
<version>7</version>
</parent>
<dependencies>
<!-- j2ee环境 -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.1.0</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.7</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<source>6</source>
<target>6</target>
</configuration>
</plugin>
</plugins>
</build>
<scm>
<url>https://github.com/whvcse/EasyCaptcha</url>
<connection>scm:git:git@github.com:whvcse/EasyCaptcha</connection>
<developerConnection>scm:git:git@github.com:whvcse/EasyCaptcha</developerConnection>
<tag>HEAD</tag>
</scm>
<developers>
<developer>
<name>whvcse</name>
<email>whvcse@foxmail.com</email>
<url>https://github.com/whvcse</url>
</developer>
</developers>
<distributionManagement>
<snapshotRepository>
<id>oss</id>
<name>OSS Snapshots Repository</name>
<url>https://oss.sonatype.org/content/repositories/snapshots/</url>
</snapshotRepository>
<repository>
<id>oss</id>
<name>OSS Staging Repository</name>
<url>https://oss.sonatype.org/service/local/staging/deploy/maven2/</url>
</repository>
</distributionManagement>
<profiles>
<profile>
<id>release</id>
<build>
<plugins>
<!-- Source -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-source-plugin</artifactId>
<version>2.2.1</version>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>jar-no-fork</goal>
</goals>
</execution>
</executions>
</plugin>
<!-- Javadoc -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-javadoc-plugin</artifactId>
<version>2.9.1</version>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>jar</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-gpg-plugin</artifactId>
<version>1.5</version>
<executions>
<execution>
<id>sign-artifacts</id>
<phase>verify</phase>
<goals>
<goal>sign</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
</profile>
</profiles>
</project> </project>

178
src/main/java/com/wf/captcha/Captcha.java
View File

@ -5,100 +5,114 @@ import java.awt.Font;
import java.io.OutputStream; import java.io.OutputStream;
/** /**
* <p> * 验证码抽象类
* 验证码抽象类,暂时不支持中文 * Created by 王帆 on 2018-07-27 上午 10:08.
* </p>
*
* @author: wuhongjun
* @version:1.0
*/ */
public abstract class Captcha extends Randoms { public abstract class Captcha extends Randoms {
protected Font font = new Font("Verdana", Font.ITALIC | Font.BOLD, 28); // 字体 protected Font font = new Font("Verdana", Font.ITALIC | Font.BOLD, 28); // 字体
protected int len = 5; // 验证码随机字符长度 protected int len = 5; // 验证码随机字符长度
protected int width = 150; // 验证码显示跨度 protected int width = 150; // 验证码显示宽度
protected int height = 40; // 验证码显示高度 protected int height = 40; // 验证码显示高度
private String chars = null; // 随机字符串 private String chars = null; // 当前验证码
/** /**
* 生成随机字符数组 * 生成随机验证码
* *
* @return 字符数组 * @return 验证码字符数组
*/ */
protected char[] alphas() { protected char[] alphas() {
char[] cs = new char[len]; char[] cs = new char[len];
for (int i = 0; i < len; i++) { for (int i = 0; i < len; i++) {
cs[i] = alpha(); cs[i] = alpha();
} }
chars = new String(cs); chars = new String(cs);
return cs; return cs;
} }
public Font getFont() { /**
return font; * 给定范围获得随机颜色
} *
* @param fc 0-255
* @param bc 0-255
* @return 随机颜色
*/
protected Color color(int fc, int bc) {
if (fc > 255)
fc = 255;
if (bc > 255)
bc = 255;
int r = fc + num(bc - fc);
int g = fc + num(bc - fc);
int b = fc + num(bc - fc);
return new Color(r, g, b);
}
public void setFont(Font font) { /**
this.font = font; * 验证码输出,抽象方法，由子类实现
} *
* @param os 输出流
* @return 是否成功
*/
public abstract boolean out(OutputStream os);
public int getLen() { /**
return len; * 获取当前的验证码
} *
* @return 字符串
*/
public String text() {
checkAlpha();
return chars;
}
public void setLen(int len) { /**
this.len = len; * 获取当前验证码的字符数组
} *
* @return 字符数组
*/
public char[] textChar() {
checkAlpha();
return chars.toCharArray();
}
public int getWidth() { /**
return width; * 检查验证码是否生成，没有这立即生成
} */
public void checkAlpha() {
if (chars == null) {
alphas(); // 生成验证码
}
}
public void setWidth(int width) { public Font getFont() {
this.width = width; return font;
} }
public int getHeight() { public void setFont(Font font) {
return height; this.font = font;
} }
public void setHeight(int height) { public int getLen() {
this.height = height; return len;
} }
/** public void setLen(int len) {
* 给定范围获得随机颜色 this.len = len;
* }
* @return Color 随机颜色
*/
protected Color color(int fc, int bc) {
if (fc > 255)
fc = 255;
if (bc > 255)
bc = 255;
int r = fc + num(bc - fc);
int g = fc + num(bc - fc);
int b = fc + num(bc - fc);
return new Color(r, g, b);
}
/** public int getWidth() {
* 验证码输出,抽象方法，由子类实现 return width;
* }
* @param os
* 输出流
*/
public abstract void out(OutputStream os);
/** public void setWidth(int width) {
* 获取随机字符串 this.width = width;
* }
* @return string
*/ public int getHeight() {
public String text() { return height;
return chars; }
}
public void setHeight(int height) {
public char[] textChar() { this.height = height;
return chars.toCharArray(); }
}
} }

39
src/main/java/com/wf/captcha/Encoder.java
View File

@ -4,40 +4,20 @@ import java.io.IOException;
import java.io.OutputStream; import java.io.OutputStream;
/** /**
* @author: wuhongjun *
* @version:1.0
*/ */
public class Encoder public class Encoder {
{
private static final int EOF = -1; private static final int EOF = -1;
// 图片的宽高
private int imgW, imgH; private int imgW, imgH;
private byte[] pixAry; private byte[] pixAry;
private int initCodeSize; private int initCodeSize; // 验证码位数
private int remaining; private int remaining; // 剩余数量
private int curPixel; private int curPixel; // 像素
// GIFCOMPR.C - GIF Image compression routines
//
// Lempel-Ziv compression based on 'compress'. GIF modifications by
// David Rowley (mgardi@watdcsu.waterloo.edu)
// General DEFINEs
static final int BITS = 12; static final int BITS = 12;
static final int HSIZE = 5003; // 80% occupancy static final int HSIZE = 5003; // 80% 占用率
// GIF Image compression - modified 'compress'
//
// Based on: compress.c - File compression ala IEEE Computer, June 1984.
//
// By Authors: Spencer W. Thomas (decvax!harpo!utah-cs!utah-gr!thomas)
// Jim McKie (decvax!mcvax!jim)
// Steve Davies (decvax!vax135!petsd!peora!srd)
// Ken Turkowski (decvax!decwrl!turtlevax!ken)
// James A. Woods (decvax!ihnp4!ames!jaw)
// Joe Orost (decvax!vax135!petsd!joe)
int n_bits; // number of bits/code int n_bits; // number of bits/code
int maxbits = BITS; // user settable max # bits/code int maxbits = BITS; // user settable max # bits/code
@ -108,7 +88,7 @@ public class Encoder
0x1FFF, 0x1FFF,
0x3FFF, 0x3FFF,
0x7FFF, 0x7FFF,
0xFFFF }; 0xFFFF};
// Number of characters so far in this 'packet' // Number of characters so far in this 'packet'
int a_count; int a_count;
@ -184,7 +164,8 @@ public class Encoder
output(ClearCode, outs); output(ClearCode, outs);
outer_loop : while ((c = nextPixel()) != EOF) { outer_loop:
while ((c = nextPixel()) != EOF) {
fcode = (c << maxbits) + ent; fcode = (c << maxbits) + ent;
i = (c << hshift) ^ ent; // xor hashing i = (c << hshift) ^ ent; // xor hashing

117
src/main/java/com/wf/captcha/GifCaptcha.java
View File

@ -7,98 +7,87 @@ import java.awt.Graphics2D;
import java.awt.image.BufferedImage; import java.awt.image.BufferedImage;
import java.io.IOException; import java.io.IOException;
import java.io.OutputStream; import java.io.OutputStream;
/** /**
* <p>Gif验证码类</p> * Gif验证码类
* * Created by 王帆 on 2018-07-27 上午 10:08.
* @author: wuhongjun
* @version:1.0
*/ */
public class GifCaptcha extends Captcha public class GifCaptcha extends Captcha {
{
public GifCaptcha() public GifCaptcha() {
{
} }
public GifCaptcha(int width,int height){ public GifCaptcha(int width, int height) {
this.width = width; setWidth(width);
this.height = height; setHeight(height);
alphas();
} }
public GifCaptcha(int width,int height,int len){ public GifCaptcha(int width, int height, int len) {
this(width,height); this(width, height);
this.len = len; setLen(len);
} }
public GifCaptcha(int width,int height,int len,Font font) public GifCaptcha(int width, int height, int len, Font font) {
{ this(width, height, len);
this(width,height,len); setFont(font);
this.font = font;
} }
@Override @Override
public void out(OutputStream os) public boolean out(OutputStream os) {
{ checkAlpha();
try boolean ok = false;
{ try {
GifEncoder gifEncoder = new GifEncoder(); // gif编码类，这个利用了洋人写的编码类，所有类都在附件中 char[] rands = textChar(); // 获取验证码数组
//生成字符 GifEncoder gifEncoder = new GifEncoder();
gifEncoder.start(os); gifEncoder.start(os);
gifEncoder.setQuality(180); gifEncoder.setQuality(180);
gifEncoder.setDelay(100); gifEncoder.setDelay(100);
gifEncoder.setRepeat(0); gifEncoder.setRepeat(0);
BufferedImage frame; BufferedImage frame;
char[] rands = textChar(); Color fontcolor[] = new Color[len];
Color fontcolor[]=new Color[len]; for (int i = 0; i < len; i++) {
for(int i=0;i<len;i++) fontcolor[i] = new Color(20 + num(110), 20 + num(110), 20 + num(110));
{
fontcolor[i]=new Color(20 + num(110), 20 + num(110), 20 + num(110));
} }
for(int i=0;i<len;i++) for (int i = 0; i < len; i++) {
{ frame = graphicsImage(fontcolor, rands, i);
frame=graphicsImage(fontcolor, rands, i);
gifEncoder.addFrame(frame); gifEncoder.addFrame(frame);
frame.flush(); frame.flush();
} }
gifEncoder.finish(); gifEncoder.finish();
}finally ok = true;
{ } finally {
try { try {
os.close(); os.close();
} catch (IOException e) { } catch (IOException e) {
e.printStackTrace(); e.printStackTrace();
} }
} }
return ok;
} }
/** /**
* 画随机码图 * 画随机码图
*
* @param fontcolor 随机字体颜色 * @param fontcolor 随机字体颜色
* @param strs 字符数组 * @param strs 字符数组
* @param flag 透明度使用 * @param flag 透明度使用
* @return BufferedImage * @return BufferedImage
*/ */
private BufferedImage graphicsImage(Color[] fontcolor,char[] strs,int flag) private BufferedImage graphicsImage(Color[] fontcolor, char[] strs, int flag) {
{ BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
BufferedImage image = new BufferedImage(width, height,BufferedImage.TYPE_INT_RGB); Graphics2D g2d = (Graphics2D) image.getGraphics();
//或得图形上下文 g2d.setColor(Color.WHITE); // 填充背景颜色
//Graphics2D g2d=image.createGraphics();
Graphics2D g2d = (Graphics2D)image.getGraphics();
//利用指定颜色填充背景
g2d.setColor(Color.WHITE);
g2d.fillRect(0, 0, width, height); g2d.fillRect(0, 0, width, height);
AlphaComposite ac3; AlphaComposite ac3;
int h = height - ((height - font.getSize()) >>1) ; int h = height - ((height - font.getSize()) >> 1);
int w = width/len; int w = width / len;
g2d.setFont(font); g2d.setFont(font);
for(int i=0;i<len;i++) for (int i = 0; i < len; i++) {
{
ac3 = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, getAlpha(flag, i)); ac3 = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, getAlpha(flag, i));
g2d.setComposite(ac3); g2d.setComposite(ac3);
g2d.setColor(fontcolor[i]); g2d.setColor(fontcolor[i]);
g2d.drawOval(num(width), num(height), 5+num(10), 5+num(10)); g2d.drawOval(num(width), num(height), 5 + num(10), 5 + num(10));
g2d.drawString(strs[i]+"", (width-(len-i)*w)+(w-font.getSize())+1, h-4); g2d.drawString(String.valueOf(strs[i]), (width - (len - i) * w) + (w - font.getSize()) + 1, h - 4);
} }
g2d.dispose(); g2d.dispose();
return image; return image;
@ -106,13 +95,15 @@ public class GifCaptcha extends Captcha
/** /**
* 获取透明度,从0到1,自动计算步长 * 获取透明度,从0到1,自动计算步长
* @return float 透明度 *
* @param i
* @param j
* @return 透明度
*/ */
private float getAlpha(int i,int j) private float getAlpha(int i, int j) {
{ int num = i + j;
int num = i+j; float r = (float) 1 / len, s = (len + 1) * r;
float r = (float)1/len,s = (len+1) * r; return num > len ? (num * r - s) : num * r;
return num > len ? (num *r - s) : num * r;
} }
} }

14
src/main/java/com/wf/captcha/GifEncoder.java
View File

@ -10,6 +10,7 @@ import java.io.IOException;
import java.io.OutputStream; import java.io.OutputStream;
/** /**
* Gif生成工具
* Class AnimatedGifEncoder - Encodes a GIF file consisting of one or * Class AnimatedGifEncoder - Encodes a GIF file consisting of one or
* more frames. * more frames.
* <pre> * <pre>
@ -25,13 +26,8 @@ import java.io.OutputStream;
* for any purpose, however, refer to the Unisys LZW patent for restrictions * for any purpose, however, refer to the Unisys LZW patent for restrictions
* on use of the associated Encoder class. Please forward any corrections * on use of the associated Encoder class. Please forward any corrections
* to questions at fmsware.com. * to questions at fmsware.com.
*
* @author wuhongjun
* @version 1.03 November 2003
*
*/ */
public class GifEncoder public class GifEncoder {
{
protected int width; // image size protected int width; // image size
protected int height; protected int height;
protected Color transparent = null; // transparent color if given protected Color transparent = null; // transparent color if given
@ -67,6 +63,7 @@ public class GifEncoder
* Sets the GIF frame disposal code for the last added frame * Sets the GIF frame disposal code for the last added frame
* and any subsequent frames. Default is 0 if no transparent * and any subsequent frames. Default is 0 if no transparent
* color has been set, otherwise 2. * color has been set, otherwise 2.
*
* @param code int disposal code. * @param code int disposal code.
*/ */
public void setDispose(int code) { public void setDispose(int code) {
@ -322,7 +319,6 @@ public class GifEncoder
/** /**
* Returns index of palette color closest to c * Returns index of palette color closest to c
*
*/ */
protected int findClosest(Color c) { protected int findClosest(Color c) {
if (colorTab == null) return -1; if (colorTab == null) return -1;
@ -332,7 +328,7 @@ public class GifEncoder
int minpos = 0; int minpos = 0;
int dmin = 256 * 256 * 256; int dmin = 256 * 256 * 256;
int len = colorTab.length; int len = colorTab.length;
for (int i = 0; i < len;) { for (int i = 0; i < len; ) {
int dr = r - (colorTab[i++] & 0xff); int dr = r - (colorTab[i++] & 0xff);
int dg = g - (colorTab[i++] & 0xff); int dg = g - (colorTab[i++] & 0xff);
int db = b - (colorTab[i] & 0xff); int db = b - (colorTab[i] & 0xff);
@ -473,7 +469,7 @@ public class GifEncoder
} }
/** /**
* Write 16-bit value to output stream, LSB first * Write 16-bit value to output stream, LSB first
*/ */
protected void writeShort(int value) throws IOException { protected void writeShort(int value) throws IOException {
out.write(value & 0xff); out.write(value & 0xff);

31
src/main/java/com/wf/captcha/Quant.java
View File

@ -1,24 +1,20 @@
package com.wf.captcha; package com.wf.captcha;
/** /**
* <p></p>
* *
* @author: wuhongjun
* @version:1.0
*/ */
public class Quant public class Quant {
{
protected static final int netsize = 256; /* number of colours used */ protected static final int netsize = 256; /* number of colours used */
/* four primes near 500 - assume no image has a length so large */ /* four primes near 500 - assume no image has a length so large */
/* that it is divisible by all four primes */ /* that it is divisible by all four primes */
protected static final int prime1 = 499; protected static final int prime1 = 499;
protected static final int prime2 = 491; protected static final int prime2 = 491;
protected static final int prime3 = 487; protected static final int prime3 = 487;
protected static final int prime4 = 503; protected static final int prime4 = 503;
protected static final int minpicturebytes = (3 * prime4); protected static final int minpicturebytes = (3 * prime4);
/* minimum size for input image */ /* minimum size for input image */
/* Program Skeleton /* Program Skeleton
---------------- ----------------
@ -80,13 +76,13 @@ public class Quant
protected int[][] network; /* the network itself - [netsize][4] */ protected int[][] network; /* the network itself - [netsize][4] */
protected int[] netindex = new int[256]; protected int[] netindex = new int[256];
/* for network lookup - really 256 */ /* for network lookup - really 256 */
protected int[] bias = new int[netsize]; protected int[] bias = new int[netsize];
/* bias and freq arrays for learning */ /* bias and freq arrays for learning */
protected int[] freq = new int[netsize]; protected int[] freq = new int[netsize];
protected int[] radpower = new int[initrad]; protected int[] radpower = new int[initrad];
/* radpower for precomputation */ /* radpower for precomputation */
/* Initialise network in range (0,0,0) to (255,255,255) and set parameters /* Initialise network in range (0,0,0) to (255,255,255) and set parameters
----------------------------------------------------------------------- */ ----------------------------------------------------------------------- */
@ -139,7 +135,7 @@ public class Quant
p = network[i]; p = network[i];
smallpos = i; smallpos = i;
smallval = p[1]; /* index on g */ smallval = p[1]; /* index on g */
/* find smallest in i..netsize-1 */ /* find smallest in i..netsize-1 */
for (j = i + 1; j < netsize; j++) { for (j = i + 1; j < netsize; j++) {
q = network[j]; q = network[j];
if (q[1] < smallval) { /* index on g */ if (q[1] < smallval) { /* index on g */
@ -148,7 +144,7 @@ public class Quant
} }
} }
q = network[smallpos]; q = network[smallpos];
/* swap p (i) and q (smallpos) entries */ /* swap p (i) and q (smallpos) entries */
if (i != smallpos) { if (i != smallpos) {
j = q[0]; j = q[0];
q[0] = p[0]; q[0] = p[0];
@ -163,7 +159,7 @@ public class Quant
q[3] = p[3]; q[3] = p[3];
p[3] = j; p[3] = j;
} }
/* smallval entry is now in position i */ /* smallval entry is now in position i */
if (smallval != previouscol) { if (smallval != previouscol) {
netindex[previouscol] = (startpos + i) >> 1; netindex[previouscol] = (startpos + i) >> 1;
for (j = previouscol + 1; j < smallval; j++) for (j = previouscol + 1; j < smallval; j++)
@ -320,6 +316,7 @@ public class Quant
} }
return (best); return (best);
} }
public byte[] process() { public byte[] process() {
learn(); learn();
unbiasnet(); unbiasnet();
@ -385,7 +382,7 @@ public class Quant
---------------------------------------------------- */ ---------------------------------------------------- */
protected void altersingle(int alpha, int i, int b, int g, int r) { protected void altersingle(int alpha, int i, int b, int g, int r) {
/* alter hit neuron */ /* alter hit neuron */
int[] n = network[i]; int[] n = network[i];
n[0] -= (alpha * (n[0] - b)) / initalpha; n[0] -= (alpha * (n[0] - b)) / initalpha;
n[1] -= (alpha * (n[1] - g)) / initalpha; n[1] -= (alpha * (n[1] - g)) / initalpha;
@ -396,10 +393,10 @@ public class Quant
---------------------------- */ ---------------------------- */
protected int contest(int b, int g, int r) { protected int contest(int b, int g, int r) {
/* finds closest neuron (min dist) and updates freq */ /* finds closest neuron (min dist) and updates freq */
/* finds best neuron (min dist-bias) and returns position */ /* finds best neuron (min dist-bias) and returns position */
/* for frequently chosen neurons, freq[i] is high and bias[i] is negative */ /* for frequently chosen neurons, freq[i] is high and bias[i] is negative */
/* bias[i] = gamma*((1/netsize)-freq[i]) */ /* bias[i] = gamma*((1/netsize)-freq[i]) */
int i, dist, a, biasdist, betafreq; int i, dist, a, biasdist, betafreq;
int bestpos, bestbiaspos, bestd, bestbiasd; int bestpos, bestbiaspos, bestd, bestbiasd;

67
src/main/java/com/wf/captcha/Randoms.java
View File

@ -3,41 +3,64 @@ package com.wf.captcha;
import java.util.Random; import java.util.Random;
/** /**
* <p>随机工具类</p> * 随机数工具类
* * Created by 王帆 on 2018-07-27 上午 10:08.
* @author: wuhongjun
* @version:1.0
*/ */
public class Randoms public class Randoms {
{
private static final Random RANDOM = new Random(); private static final Random RANDOM = new Random();
//定义验证码字符.去除了O和I等容易混淆的字母 // 定义验证码字符.去除了O和I等容易混淆的字母
public static final char ALPHA[]={'A','B','C','D','E','F','G','H','G','K','M','N','P','Q','R','S','T','U','V','W','X','Y','Z' public static final char ALPHA[] = {'2', '3', '4', '5', '6', '7', '8', '9',
,'a','b','c','d','e','f','g','h','i','j','k','m','n','p','q','r','s','t','u','v','w','x','y','z','2','3','4','5','6','7','8','9'}; 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'G', 'K', 'M', 'N', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z',
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'm', 'n', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z'};
/** /**
* 产生两个数之间的随机数 * 产生两个数之间的随机数
* @param min 小数 *
* @param max 比min大的数 * @param min 最小值
* @return int 随机数字 * @param max 最大值
* @return 随机数
*/ */
public static int num(int min, int max) public static int num(int min, int max) {
{
return min + RANDOM.nextInt(max - min); return min + RANDOM.nextInt(max - min);
} }
/** /**
* 产生0--num的随机数,不包括num * 产生0-num的随机数,不包括num
* @param num 数字 *
* @return int 随机数字 * @param num 最大值
* @return 随机数
*/ */
public static int num(int num) public static int num(int num) {
{
return RANDOM.nextInt(num); return RANDOM.nextInt(num);
} }
public static char alpha() /**
{ * 返回ALPHA中的随机字符
return ALPHA[num(0, ALPHA.length)]; *
* @return 随机字符
*/
public static char alpha() {
return ALPHA[num(ALPHA.length)];
}
/**
* 返回ALPHA中第0位到第num位的随机字符
*
* @param num 到第几位结束
* @return 随机字符
*/
public static char alpha(int num) {
return ALPHA[num(num)];
}
/**
* 返回ALPHA中第min位到第max位的随机字符
*
* @param min 从第几位开始
* @param max 到第几位结束
* @return 随机字符
*/
public static char alpha(int min, int max) {
return ALPHA[num(min, max)];
} }
} }

113
src/main/java/com/wf/captcha/SpecCaptcha.java
View File

@ -9,90 +9,93 @@ import java.io.IOException;
import java.io.OutputStream; import java.io.OutputStream;
import javax.imageio.ImageIO; import javax.imageio.ImageIO;
/** /**
* <p>png格式验证码</p> * png格式验证码
* * Created by 王帆 on 2018-07-27 上午 10:08.
* @author: wuhongjun
* @version:1.0
*/ */
public class SpecCaptcha extends Captcha public class SpecCaptcha extends Captcha {
{
public SpecCaptcha() public SpecCaptcha() {
{
} }
public SpecCaptcha(int width, int height)
{ public SpecCaptcha(int width, int height) {
this.width = width; setWidth(width);
this.height = height; setHeight(height);
} }
public SpecCaptcha(int width, int height, int len){
this(width,height); public SpecCaptcha(int width, int height, int len) {
this.len = len; this(width, height);
setLen(len);
} }
public SpecCaptcha(int width, int height, int len, Font font){
this(width,height,len); public SpecCaptcha(int width, int height, int len, Font font) {
this.font = font; this(width, height, len);
} setFont(font);
/**
* 生成验证码
* @throws java.io.IOException IO异常
*/
@Override
public void out(OutputStream out){
graphicsImage(alphas(), out);
} }
/** /**
* 画随机码图 * 生成验证码
* @param strs 文本 *
* @param out 输出流 * @param out 输出流
* @return 是否成功
*/ */
private boolean graphicsImage(char[] strs, OutputStream out){ @Override
boolean ok = false; public boolean out(OutputStream out) {
try checkAlpha();
{ return graphicsImage(textChar(), out);
BufferedImage bi = new BufferedImage(width,height,BufferedImage.TYPE_INT_RGB); }
Graphics2D g = (Graphics2D)bi.getGraphics();
/**
* 生成验证码图形
*
* @param strs 验证码
* @param out 输出流
* @return boolean
*/
private boolean graphicsImage(char[] strs, OutputStream out) {
boolean ok;
try {
BufferedImage bi = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
Graphics2D g = (Graphics2D) bi.getGraphics();
AlphaComposite ac3; AlphaComposite ac3;
Color color ; Color color;
int len = strs.length; int len = strs.length;
g.setColor(Color.WHITE); g.setColor(Color.WHITE);
g.fillRect(0,0,width,height); g.fillRect(0, 0, width, height);
// 随机画干扰的蛋蛋 // 随机画干扰的圆圈
for(int i=0;i<15;i++){ for (int i = 0; i < 15; i++) {
color = color(150, 250); color = color(150, 250);
g.setColor(color); g.setColor(color);
g.drawOval(num(width), num(height), 5+num(10), 5+num(10));// 画蛋蛋，有蛋的生活才精彩 g.drawOval(num(width), num(height), 5 + num(10), 5 + num(10));
color = null; color = null;
} }
g.setFont(font); g.setFont(font);
int h = height - ((height - font.getSize()) >>1), int h = height - ((height - font.getSize()) >> 1);
w = width/len, int w = width / len;
size = w-font.getSize()+1; int size = w - font.getSize() + 1;
/* 画字符串 */ // 画字符串
for(int i=0;i<len;i++) for (int i = 0; i < len; i++) {
{
ac3 = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.7f);// 指定透明度 ac3 = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.7f);// 指定透明度
g.setComposite(ac3); g.setComposite(ac3);
color = new Color(20 + num(110), 20 + num(110), 20 + num(110));// 对每个字符都用随机颜色 color = new Color(20 + num(110), 20 + num(110), 20 + num(110));// 对每个字符都用随机颜色
g.setColor(color); g.setColor(color);
g.drawString(strs[i]+"",(width-(len-i)*w)+size, h-4); g.drawString(String.valueOf(strs[i]), (width - (len - i) * w) + size, h - 4);
color = null; color = null;
ac3 = null; ac3 = null;
} }
ImageIO.write(bi, "png", out); ImageIO.write(bi, "png", out);
out.flush(); out.flush();
ok = true; ok = true;
}catch (IOException e){ } catch (IOException e) {
ok = false; ok = false;
}finally e.printStackTrace();
{ } finally {
try { try {
out.close(); out.close();
} catch (IOException e) { } catch (IOException e) {
// TODO Auto-generated catch block e.printStackTrace();
e.printStackTrace(); }
}
} }
return ok; return ok;
} }

13
src/main/java/com/wf/captcha/servlet/CaptchaServlet.java
View File

@ -11,23 +11,14 @@ import com.wf.captcha.utils.CaptchaUtil;
/** /**
* 验证码servlet * 验证码servlet
* * Created by 王帆 on 2018-07-27 上午 10:08.
* @author wangfan
* @date 2018-5-14 上午9:53:01
*/ */
public class CaptchaServlet extends HttpServlet { public class CaptchaServlet extends HttpServlet {
private static final long serialVersionUID = -90304944339413093L; private static final long serialVersionUID = -90304944339413093L;
public void doGet(HttpServletRequest request, HttpServletResponse response) public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException { throws ServletException, IOException {
// 是否有key决定是存在session中还是servletContext中 CaptchaUtil.out(request, response);
String key = request.getParameter("key");
CaptchaUtil cu = new CaptchaUtil();
if (key != null && !key.trim().isEmpty()) {
cu.out(key, request, response);
} else {
cu.out(request, response);
}
} }
public void doPost(HttpServletRequest request, HttpServletResponse response) public void doPost(HttpServletRequest request, HttpServletResponse response)

188
src/main/java/com/wf/captcha/utils/CaptchaUtil.java
View File

@ -2,7 +2,6 @@ package com.wf.captcha.utils;
import java.io.IOException; import java.io.IOException;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpServletResponse;
@ -11,136 +10,75 @@ import com.wf.captcha.GifCaptcha;
/** /**
* 图形验证码工具类 * 图形验证码工具类
* * Created by 王帆 on 2018-07-27 上午 10:08.
* @author wangfan
* @date 2018-5-14 上午9:41:06
*/ */
public class CaptchaUtil { public class CaptchaUtil {
private String codeName = "captcha"; private static final String SESSION_KEY = "captcha";
private int width = 130;
private int height = 38;
private int len = 5;
public CaptchaUtil() { /**
} * 验证验证码
*/
public static boolean ver(String code, HttpServletRequest request) {
if (code != null && !code.trim().isEmpty()) {
String captcha = (String) request.getSession().getAttribute(SESSION_KEY);
return code.trim().toLowerCase().equals(captcha);
}
return false;
}
/** /**
* 验证码的宽、高、位数 * 输出验证码
*/ *
public CaptchaUtil(int width, int height, int len) { * @param request
set(width, height, len); * @param response
} * @throws IOException
*/
public static void out(HttpServletRequest request, HttpServletResponse response)
throws IOException {
out(130, 38, 5, request, response);
}
/** /**
* 验证验证码 * 输出验证码
*/ *
public boolean ver(String code, HttpServletRequest request) { * @param len 长度
String captcha = (String) request.getSession().getAttribute(codeName); * @param request
return code.equals(captcha); * @param response
} * @throws IOException
*/
public static void out(int len, HttpServletRequest request, HttpServletResponse response)
throws IOException {
out(130, 38, len, request, response);
}
/** /**
* 验证验证码，用于分离的项目 * 输出验证码
*/ *
public boolean ver(String key, String code, HttpServletRequest rq) { * @param width 宽度
ServletContext sc = rq.getServletContext(); * @param height 高度
String keyName = codeName + "-" + key; * @param len 长度
String captcha = (String) sc.getAttribute(keyName); * @param request
return code.equals(captcha); * @param response
} * @throws IOException
*/
public static void out(int width, int height, int len, HttpServletRequest request, HttpServletResponse response)
throws IOException {
setHeader(response);
Captcha captcha = new GifCaptcha(130, 38, 5);
request.getSession().setAttribute(SESSION_KEY, captcha.text().toLowerCase());
captcha.out(response.getOutputStream());
}
/** /**
* 输出验证码 * 设置相应头
*/ *
public void out(HttpServletRequest rq, HttpServletResponse rp) * @param response
throws IOException { */
private static void setHeader(HttpServletResponse response) {
response.setContentType("image/gif");
response.setHeader("Pragma", "No-cache");
response.setHeader("Cache-Control", "no-cache");
response.setDateHeader("Expires", 0);
}
setHeader(rp);
// 验证码的宽、高、位数
Captcha captcha = new GifCaptcha(width, height, len);
// 存入缓存
rq.getSession().setAttribute(codeName, captcha.text().toLowerCase());
// 输入图片
captcha.out(rp.getOutputStream());
}
/**
* 输出验证码，用于分离项目
*/
public void out(String key, HttpServletRequest rq, HttpServletResponse rp)
throws IOException {
setHeader(rp);
// 验证码的宽、高、位数
Captcha captcha = new GifCaptcha(width, height, len);
// 存入缓存
ServletContext sc = rq.getServletContext();
sc.setAttribute(codeName, captcha.text().toLowerCase());
// 输入图片
captcha.out(rp.getOutputStream());
}
private void setHeader(HttpServletResponse rp) {
rp.setContentType("image/gif");
rp.setHeader("Pragma", "No-cache");
rp.setHeader("Cache-Control", "no-cache");
rp.setDateHeader("Expires", 0);
}
public String getCodeName() {
return codeName;
}
/**
* 设置保存code的key
*/
public void setCodeName(String codeName) {
this.codeName = codeName;
}
public int getWidth() {
return width;
}
/**
* 设置验证码的宽度
*/
public void setWidth(int width) {
this.width = width;
}
public int getHeight() {
return height;
}
/**
* 设置验证码的高度
*/
public void setHeight(int height) {
this.height = height;
}
public int getLen() {
return len;
}
/**
* 设置验证码的位数
*/
public void setLen(int len) {
this.len = len;
}
/**
* 设置验证码的宽、高、位数
*/
public void set(int width, int height, int len) {
setWidth(width);
setHeight(height);
setLen(len);
}
} }

27
src/test/java/com/wf/captcha/CaptchaTest.java Normal file
View File

@ -0,0 +1,27 @@
package com.wf.captcha;
import org.junit.Test;
import java.io.File;
import java.io.FileOutputStream;
/**
* 测试类
* Created by 王帆 on 2018-07-27 上午 10:08.
*/
public class CaptchaTest {
@Test
public void test() throws Exception {
SpecCaptcha specCaptcha = new SpecCaptcha(150, 40, 4);
System.out.println(specCaptcha.text());
specCaptcha.out(new FileOutputStream(new File("D:/a/aa.png")));
}
@Test
public void testGIf() throws Exception {
GifCaptcha specCaptcha = new GifCaptcha(150, 40, 4);
System.out.println(specCaptcha.text());
specCaptcha.out(new FileOutputStream(new File("D:/a/aa.gif")));
}
}