mirror of
https://github.com/dromara/tianai-captcha.git
synced 2026-05-09 23:23:05 +08:00
添加点选验证码 点选文字验证码完成
This commit is contained in:
天爱有情
@@ -0,0 +1,85 @@
|
||||
package example;
|
||||
|
||||
|
||||
import java.io.Serializable;
|
||||
|
||||
public class AnchorPoint implements Serializable {
|
||||
|
||||
private static final long serialVersionUID = 2L;
|
||||
|
||||
|
||||
/**
|
||||
* 保持charImgWidth的最大值+1
|
||||
*/
|
||||
private Integer x_iv = 26;
|
||||
/**
|
||||
* 保持charImgHeight的最大值+1
|
||||
*/
|
||||
private Integer y_iv = 21;
|
||||
|
||||
private Integer x;
|
||||
private Integer y;
|
||||
|
||||
public AnchorPoint(){
|
||||
this.x = 0;
|
||||
this.y = 0;
|
||||
}
|
||||
|
||||
|
||||
public AnchorPoint(Integer x, Integer y){
|
||||
this.x = x;
|
||||
this.y = y;
|
||||
}
|
||||
|
||||
public Integer getX() {
|
||||
return x;
|
||||
}
|
||||
|
||||
|
||||
public Integer getY() {
|
||||
return y;
|
||||
}
|
||||
|
||||
public void setX(Integer x) {
|
||||
this.x = x;
|
||||
}
|
||||
|
||||
public void setY(Integer y) {
|
||||
this.y = y;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean equals(Object o) {
|
||||
if (this == o) return true;
|
||||
if (o == null || getClass() != o.getClass()) return false;
|
||||
AnchorPoint that = (AnchorPoint) o;
|
||||
|
||||
//当X位置小于偏移量进行判段Y轴的偏移量
|
||||
if(this.x+this.x_iv > that.getX() || this.x - this.x_iv < that.getX()){
|
||||
//当Y轴的偏移量符合安全距离 判断锚点有效
|
||||
if(this.y+this.y_iv < that.getY() || this.y-this.y_iv > that.getY()){
|
||||
return false;
|
||||
}
|
||||
}else{
|
||||
//两个对象的X点保持在偏移量之外无需比较Y轴位置，判定锚点有效
|
||||
return false;
|
||||
}
|
||||
|
||||
|
||||
return true;
|
||||
|
||||
}
|
||||
|
||||
@Override
|
||||
public int hashCode() {
|
||||
return 1;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String toString() {
|
||||
return "DrawXInteger{" +
|
||||
"x=" + x +
|
||||
", y=" + y +
|
||||
'}';
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,250 @@
|
||||
package example;
|
||||
|
||||
import cloud.tianai.captcha.template.slider.resource.common.model.dto.Resource;
|
||||
import cloud.tianai.captcha.template.slider.resource.impl.provider.ClassPathResourceProvider;
|
||||
import lombok.SneakyThrows;
|
||||
import sun.font.FontDesignMetrics;
|
||||
|
||||
import javax.imageio.ImageIO;
|
||||
import java.awt.*;
|
||||
import java.awt.geom.AffineTransform;
|
||||
import java.awt.image.BufferedImage;
|
||||
import java.io.*;
|
||||
import java.nio.file.Files;
|
||||
import java.nio.file.Paths;
|
||||
import java.util.List;
|
||||
import java.util.*;
|
||||
import java.util.concurrent.ThreadLocalRandom;
|
||||
|
||||
/**
|
||||
* 绘制验证码
|
||||
*/
|
||||
public class DrawCaptchaUtil {
|
||||
|
||||
/**
|
||||
* 画布宽度
|
||||
*/
|
||||
private static int canvasWidth = 300;
|
||||
|
||||
/**
|
||||
* 画布高度
|
||||
*/
|
||||
private static int canvasHeight = 150;
|
||||
|
||||
|
||||
/**
|
||||
* 图片宽度
|
||||
*/
|
||||
private static int imgWidth = 300;
|
||||
|
||||
/**
|
||||
* 图片高度
|
||||
*/
|
||||
private static int imgHeight = 150;
|
||||
|
||||
/**
|
||||
* 图中字体数量
|
||||
*/
|
||||
private static int charNumber = 5;
|
||||
|
||||
/**
|
||||
* 字体大小
|
||||
*/
|
||||
private static int fontSize = 50;
|
||||
/**
|
||||
* 字体图片宽度
|
||||
*/
|
||||
private static int charImgWidth = 60;
|
||||
/**
|
||||
* 字体图片高度
|
||||
*/
|
||||
private static int charImgHeight = 60;
|
||||
|
||||
|
||||
/**
|
||||
* 绘制验证码图片
|
||||
* @param checkCode
|
||||
* @param bkDirPath
|
||||
* @return
|
||||
* @throws IOException
|
||||
*/
|
||||
public static BufferedImage drawImg(LinkedHashMap<String, AnchorPoint> checkCode, String bkDirPath) throws IOException {
|
||||
|
||||
BufferedImage imgCanvas = new BufferedImage(canvasWidth, canvasHeight, BufferedImage.TYPE_INT_BGR);
|
||||
Graphics graphics = imgCanvas.getGraphics();
|
||||
|
||||
|
||||
//绘制图形
|
||||
// graphics.setColor(new Color(0,0,0,0));
|
||||
graphics.fillRect(0, 0, imgWidth, imgHeight);
|
||||
|
||||
File bkPath = randomBackGroundImage(bkDirPath);
|
||||
|
||||
BufferedImage read = ImageIO.read(Files.newInputStream(Paths.get(bkPath.getAbsolutePath())));
|
||||
graphics.drawImage(read, 0, 0, null, null);
|
||||
//绘制字体
|
||||
// graphics.setColor(getRandomColor());
|
||||
//随机在图片中生成5个绘制点每个绘制点半径能不能重叠
|
||||
Set<AnchorPoint> point = new HashSet<>();
|
||||
|
||||
addPoint(point);
|
||||
Object[] pointArr = point.toArray();
|
||||
List<String> charList = new ArrayList<>();
|
||||
for (int i = 0; i < charNumber; i++) {
|
||||
AnchorPoint p = (AnchorPoint) pointArr[i];
|
||||
graphics.drawImage(getCharImg(getRandomColor(), charList), p.getX(), p.getY(), null, null);
|
||||
|
||||
}
|
||||
//随机获取3个字符串作为校验对象
|
||||
Object[] charArr = charList.toArray();
|
||||
Random random = new Random();
|
||||
for (int i = 0; i < 3; i++) {
|
||||
int num = random.nextInt(pointArr.length - i);
|
||||
String key = (String) charArr[num];
|
||||
AnchorPoint value = (AnchorPoint) pointArr[num];
|
||||
checkCode.put(key, value);
|
||||
//置换位置
|
||||
Object a = pointArr[num];
|
||||
pointArr[num] = pointArr[pointArr.length - 1 - i];
|
||||
pointArr[pointArr.length - 1 - i] = a;
|
||||
|
||||
a = charArr[num];
|
||||
charArr[num] = charArr[charArr.length - 1 - i];
|
||||
charArr[charArr.length - 1 - i] = a;
|
||||
}
|
||||
|
||||
return imgCanvas;
|
||||
}
|
||||
|
||||
/**
|
||||
* 在指定目录下随机获取背景图片
|
||||
* @param dir
|
||||
* @return
|
||||
*/
|
||||
private static File randomBackGroundImage(String dir) {
|
||||
File file = new File(dir);
|
||||
if (file.isDirectory()) {
|
||||
File[] files = file.listFiles();
|
||||
Random random = new Random();
|
||||
int i = random.nextInt(files.length);
|
||||
return files[i];
|
||||
} else {
|
||||
return file;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 添加坐标点
|
||||
* @param point
|
||||
*/
|
||||
private static void addPoint(Set<AnchorPoint> point) {
|
||||
Random random = new Random();
|
||||
//避免因为坐标点过于特殊导致无法获取下一个坐标点进入死循环，到100置空重新获取
|
||||
int clearNumber = 0;
|
||||
//生成前2个点坐标
|
||||
while (point.size() < 2) {
|
||||
|
||||
//添加X坐标点
|
||||
point.add(new AnchorPoint(random.nextInt(canvasWidth / 3), random.nextInt(canvasHeight - charImgWidth)));
|
||||
if (clearNumber == 100) {
|
||||
point.clear();
|
||||
clearNumber = 0;
|
||||
}
|
||||
clearNumber++;
|
||||
|
||||
}
|
||||
clearNumber = 0;
|
||||
//生成后3个点坐标
|
||||
while (point.size() < charNumber) {
|
||||
//添加X坐标点
|
||||
point.add(new AnchorPoint(random.nextInt(canvasWidth - charImgWidth), random.nextInt(canvasHeight - charImgHeight)));
|
||||
if (clearNumber == 100) {
|
||||
point.clear();
|
||||
clearNumber = 0;
|
||||
addPoint(point);
|
||||
break;
|
||||
}
|
||||
clearNumber++;
|
||||
}
|
||||
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* 获取文字图片
|
||||
* @param fontColor
|
||||
* @param charList
|
||||
* @return
|
||||
* @throws UnsupportedEncodingException
|
||||
*/
|
||||
@SneakyThrows
|
||||
private static BufferedImage getCharImg(Color fontColor, List<String> charList) throws IOException {
|
||||
BufferedImage fillRect = new BufferedImage(charImgWidth, charImgHeight, BufferedImage.TYPE_INT_ARGB);
|
||||
Graphics2D g = fillRect.createGraphics();
|
||||
g.setColor(new Color(0, 0, 0, 0));
|
||||
g.fillRect(0, 0, charImgWidth, charImgHeight);
|
||||
g.setColor(fontColor);
|
||||
Resource fontResource = new Resource("", "META-INF/fonts/SIMSUN.TTC");
|
||||
InputStream inputStream = new ClassPathResourceProvider().doGetResourceInputStream(fontResource);
|
||||
Font font = Font.createFont(Font.TRUETYPE_FONT, inputStream);
|
||||
font = font.deriveFont(Font.BOLD, fontSize);
|
||||
// Font font = new Font("微软雅黑", Font.BOLD, fontSize);
|
||||
FontDesignMetrics metrics = FontDesignMetrics.getMetrics(font);
|
||||
// AffineTransform affineTransform = new AffineTransform();
|
||||
// affineTransform.rotate(Math.toRadians(85), 0, 0);
|
||||
// font.deriveFont(affineTransform);
|
||||
g.setFont(font);
|
||||
String charStr = getChineseCharacters();
|
||||
charList.add(charStr);
|
||||
|
||||
float left = (60 - 50) / 2f;
|
||||
// //顶边位置+上升距离（原本字体基线位置对准画布的y坐标导致字体偏上ascent距离，加上ascent后下移刚好顶边吻合）
|
||||
float top = (60 - 50) / 2f + metrics.getAscent() - 10;
|
||||
|
||||
g.rotate(Math.toRadians(ThreadLocalRandom.current().nextInt(0, 85)), 30, 30);
|
||||
g.drawString(charStr, left, top);
|
||||
g.dispose();
|
||||
return fillRect;
|
||||
}
|
||||
|
||||
/**
|
||||
* 随机获取颜色
|
||||
* @return
|
||||
*/
|
||||
private static Color getRandomColor() {
|
||||
Random random = new Random();
|
||||
return new Color(
|
||||
random.nextInt(255),
|
||||
random.nextInt(255),
|
||||
random.nextInt(255));
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* 随机获取中文字
|
||||
* @return
|
||||
* @throws UnsupportedEncodingException
|
||||
*/
|
||||
private static String getChineseCharacters() throws UnsupportedEncodingException {
|
||||
Integer hightPos, lowPos; // 定义高低位
|
||||
Random random = new Random();
|
||||
hightPos = (176 + Math.abs(random.nextInt(39)));
|
||||
lowPos = (161 + Math.abs(random.nextInt(93)));
|
||||
byte[] bytes = new byte[2];
|
||||
bytes[0] = hightPos.byteValue();
|
||||
bytes[1] = lowPos.byteValue();
|
||||
return new String(bytes, "GBK");
|
||||
|
||||
}
|
||||
|
||||
|
||||
public static void main(String[] args) throws IOException {
|
||||
for (int i = 0; i < 100; i++) {
|
||||
BufferedImage charImg = getCharImg(getRandomColor(), new ArrayList<>());
|
||||
ImageIO.write(charImg, "png", new FileOutputStream("C:\\Users\\tianai\\Desktop\\111\\" + i + ".png"));
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
}
|
||||
@@ -1,7 +1,6 @@
|
||||
package example;
|
||||
|
||||
import cloud.tianai.captcha.template.slider.generator.ImageCaptchaGenerator;
|
||||
import cloud.tianai.captcha.template.slider.generator.common.constant.CaptchaTypeConstant;
|
||||
import cloud.tianai.captcha.template.slider.common.constant.CaptchaTypeConstant;
|
||||
import cloud.tianai.captcha.template.slider.generator.common.model.dto.ImageCaptchaInfo;
|
||||
import cloud.tianai.captcha.template.slider.generator.common.model.dto.RotateImageCaptchaInfo;
|
||||
import cloud.tianai.captcha.template.slider.generator.impl.CacheImageCaptchaGenerator;
|
||||
|
||||
@@ -1,23 +1,33 @@
|
||||
package example;
|
||||
|
||||
import cloud.tianai.captcha.template.slider.generator.common.constant.CaptchaTypeConstant;
|
||||
import cloud.tianai.captcha.template.slider.common.constant.CaptchaTypeConstant;
|
||||
import cloud.tianai.captcha.template.slider.generator.common.model.dto.GenerateParam;
|
||||
import cloud.tianai.captcha.template.slider.generator.common.model.dto.ImageCaptchaInfo;
|
||||
import cloud.tianai.captcha.template.slider.generator.impl.StandardClickImageCaptchaGenerator;
|
||||
import cloud.tianai.captcha.template.slider.generator.impl.StandardRandomWordClickImageCaptchaGenerator;
|
||||
import cloud.tianai.captcha.template.slider.resource.ImageCaptchaResourceManager;
|
||||
import cloud.tianai.captcha.template.slider.resource.impl.DefaultImageCaptchaResourceManager;
|
||||
import cloud.tianai.captcha.template.slider.validator.impl.BasicCaptchaTrackValidator;
|
||||
|
||||
import java.util.Map;
|
||||
|
||||
public class StandardWordClickImageCaptchaGeneratorTest {
|
||||
|
||||
public static void main(String[] args) {
|
||||
ImageCaptchaResourceManager imageCaptchaResourceManager = new DefaultImageCaptchaResourceManager();
|
||||
|
||||
StandardClickImageCaptchaGenerator defaultImageCaptchaResourceManager =
|
||||
new StandardClickImageCaptchaGenerator(imageCaptchaResourceManager, true);
|
||||
StandardRandomWordClickImageCaptchaGenerator defaultImageCaptchaResourceManager =
|
||||
new StandardRandomWordClickImageCaptchaGenerator(imageCaptchaResourceManager, true);
|
||||
|
||||
GenerateParam generateParam = new GenerateParam();
|
||||
generateParam.setType(CaptchaTypeConstant.WORD_CLICK);
|
||||
generateParam.setType(CaptchaTypeConstant.IMAGE_CLICK);
|
||||
generateParam.setSliderFormatName("png");
|
||||
ImageCaptchaInfo imageCaptchaInfo = defaultImageCaptchaResourceManager.generateCaptchaImage(generateParam);
|
||||
|
||||
BasicCaptchaTrackValidator basicCaptchaTrackValidator = new BasicCaptchaTrackValidator();
|
||||
Map<String, Object> stringObjectMap = basicCaptchaTrackValidator.generateImageCaptchaValidData(imageCaptchaInfo);
|
||||
|
||||
System.out.println(stringObjectMap);
|
||||
|
||||
System.out.println(imageCaptchaInfo);
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user