验证码
一、导入依赖
<?xml version="1.0" encoding="UTF-8"?>
<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">
<modelVersion>4.0.0</modelVersion>
<groupId>com.yang</groupId>
<artifactId>verification-code</artifactId>
<version>1.0-SNAPSHOT</version>
<!-- 强制排出文件 -->
<build>
<resources>
<resource>
<directory>src/main/java</directory>
<includes>
<include>**/*.properties</include>
<include>**/*.xml</include>
</includes>
<filtering>false</filtering>
</resource>
<resource>
<directory>src/main/resources</directory>
<includes>
<include>**/*.properties</include>
<include>**/*.xml</include>
</includes>
<filtering>false</filtering>
</resource>
</resources>
</build>
<!-- 控制 版本 -->
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<!-- 编译jdk版本 -->
<jdk.version>1.8</jdk.version>
<!-- 依赖版本 -->
<!-- spring 版本 -->
<spring.version>4.1.2.RELEASE</spring.version>
<!-- sql 版本 -->
<mysql.version>8.0.20</mysql.version>
<poi.version>3.17</poi.version>
<xerces.version>2.11.0</xerces.version>
</properties>
<!-- 导入依赖 -->
<dependencies>
<!-- spring start -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-orm</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-oxm</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aop</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
</dependency>
<!-- spring end -->
<!-- 其他开始-->
<dependency>
<!-- lombok 依赖 偷懒神器 @Data 自动生成 get set toString 无参构造方法 equals hashCode -->
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.16.20</version>
<scope>provided</scope>
</dependency>
<dependency>
<!-- c3po 依赖 -->
<groupId>c3p0</groupId>
<artifactId>c3p0</artifactId>
<version>0.9.1.2</version>
</dependency>
<!-- hutool 工具类 -->
<dependency>
<groupId>cn.hutool</groupId>
<artifactId>hutool-all</artifactId>
<version>4.5.15</version>
</dependency>
<dependency>
<!-- fastJson -->
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
<version>1.2.68</version>
</dependency>
<dependency>
<!-- MySQL 驱动 -->
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>${mysql.version}</version>
</dependency>
<dependency>
<!-- dom 解析 -->
<groupId>dom4j</groupId>
<artifactId>dom4j</artifactId>
<version>1.6.1</version>
</dependency>
<!-- web 开始 -->
<!-- <dependency>-->
<!-- <groupId>javax</groupId>-->
<!-- <artifactId>javaee-api</artifactId>-->
<!-- <version>6.0</version>-->
<!-- <scope>provided</scope>-->
<!-- </dependency>-->
<!-- https://mvnrepository.com/artifact/javax.servlet/javax.servlet-api -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.1.0</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>jsp-api</artifactId>
<version>2.1</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
<dependency>
<groupId>javax.ws.rs</groupId>
<artifactId>javax.ws.rs-api</artifactId>
<version>2.0</version>
</dependency>
<dependency>
<groupId>javax.websocket</groupId>
<artifactId>javax.websocket-api</artifactId>
<version>1.0</version>
</dependency>
<dependency>
<groupId>javax.annotation</groupId>
<artifactId>javax.annotation-api</artifactId>
<version>1.2</version>
</dependency>
<dependency>
<groupId>javax.transaction</groupId>
<artifactId>javax.transaction-api</artifactId>
<version>1.2</version>
</dependency>
<!-- web 结束 -->
<dependency>
<!-- cglib 依赖 -->
<groupId>cglib</groupId>
<artifactId>cglib</artifactId>
<version>2.2.2</version>
</dependency>
<!-- mybatis 依赖 -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.4.5</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>2.0.2</version>
</dependency>
<!-- 分页 -->
<dependency>
<groupId>com.github.pagehelper</groupId>
<artifactId>pagehelper</artifactId>
<version>5.1.10</version>
</dependency>
<!-- 测试 -->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
<scope>test</scope>
</dependency>
<dependency>
<!-- commons-io -->
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
<version>2.2</version>
</dependency>
<dependency>
<!-- 文件上传 -->
<groupId>commons-fileupload</groupId>
<artifactId>commons-fileupload</artifactId>
<version>1.3.1</version>
</dependency>
<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi-ooxml</artifactId>
<version>${poi.version}</version>
</dependency>
<dependency>
<groupId>xerces</groupId>
<artifactId>xercesImpl</artifactId>
<version>${xerces.version}</version>
</dependency>
<dependency>
<groupId>xml-apis</groupId>
<artifactId>xml-apis</artifactId>
<version>1.4.01</version>
</dependency>
<dependency>
<!-- oracle 依赖 -->
<groupId>com.oracle</groupId>
<artifactId>ojdbc6</artifactId>
<version>11.2.0.3.0</version>
</dependency>
<!-- 其他结束-->
</dependencies>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-framework-bom</artifactId>
<version>${spring.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
</project>
二、使用 GUI SWING
package code;
import lombok.SneakyThrows;
import javax.imageio.ImageIO;
import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.FileOutputStream;
/**
* 验证码测试1
* <p>
* 验证码:随机四个字符
* 判断验证码的流程： 正确的验证码在request域中
* 验证码生成需要gui：：：swing
*
* @author yang
* @version 1.0.0
* @date 2020-09-13 21:31
*/
public class Test01 {
@SneakyThrows
public static void main(String[] args) {
// 1 准备画板
final BufferedImage bin = new BufferedImage(170, 40, BufferedImage.TYPE_INT_RGB);
// 2 准备画笔
final Graphics2D g = (Graphics2D) bin.getGraphics();
// 3 设置背景颜色，白色
g.setColor(Color.WHITE);
// 4 画背景
g.fillRect(1, 1, 168, 38);
// 5 选择字体颜色
g.setColor(Color.BLACK);
// 6 创建一个 font ，指定字体样式
final Font font = new Font(null, Font.BOLD, 30);
g.setFont(font);
// 7 选中字
String hanZi = "爱我中华";
for (int i = 0; i < hanZi.length(); i++) {
final String c = hanZi.charAt(i) + "";
g.drawString(c, 10 + i * 40, 30);
g.drawLine(0, 0, 200, 40);
}
final FileOutputStream out = new FileOutputStream("/Users/yang/Documents/git/java/oracle/src/main/resources/verification-code/hanZi.jpg");
ImageIO.write(bin, "JPEG", out);
}
}
package code;
import cn.hutool.captcha.CaptchaUtil;
import cn.hutool.captcha.CircleCaptcha;
import cn.hutool.captcha.generator.RandomGenerator;
import cn.hutool.core.lang.Console;
import java.awt.*;
/**
* hutool 工具类验证码
*
* @author yang
* @version 1.0.0
* @date 2020-09-13 21:43
*/
public class Test02 {
public static void main(String[] args) {
// 创建要随机的字符串，和个数
final RandomGenerator hanZi = new RandomGenerator("爱我", 0);
// 创建一个图形验证码，定义 长、宽、验证码字符数、干扰元素个数
final CircleCaptcha lineCaptcha = CaptchaUtil.createCircleCaptcha(400, 400, 4, 4);
// 设置字体
lineCaptcha.setFont(new Font(null, Font.BOLD, 100));
// 设置 设置验证码生成器
lineCaptcha.setGenerator(hanZi);
// 创建 创建验证码，实现类需同时生成随机验证码字符串和验证码图片
lineCaptcha.createCode();
// 打印 code
Console.log(lineCaptcha.getCode());
// 写入文件
lineCaptcha.write("/Users/yang/Documents/git/java/oracle/src/main/resources/verification-code/hanZi1.jpg");
// 验证
System.out.println(lineCaptcha.verify("爱"));
}
}