@Configuration
public class ConfigBeanConfiguration {
@Bean
@ConfigurationProperties(prefix = "login")
public LoginProperties loginProperties() {
return new LoginProperties();
}
}
定义验证逻辑生成类
@Data
public class LoginProperties {
private LoginCode loginCode;
/**
* 获取验证码生产类
* @return
*/
public Captcha getCaptcha(){
if(Objects.isNull(loginCode)){
loginCode = new LoginCode();
if(Objects.isNull(loginCode.getCodeType())){
loginCode.setCodeType(LoginCodeEnum.ARITHMETIC);
}
}
return switchCaptcha(loginCode);
}
/**
* 依据配置信息生产验证码
* @param loginCode
* @return
*/
private Captcha switchCaptcha(LoginCode loginCode){
Captcha captcha = null;
synchronized (this){
switch (loginCode.getCodeType()){
case ARITHMETIC:
captcha = new FixedArithmeticCaptcha(loginCode.getWidth(),loginCode.getHeight());
captcha.setLen(loginCode.getLength());
break;
case CHINESE:
captcha = new ChineseCaptcha(loginCode.getWidth(),loginCode.getHeight());
captcha.setLen(loginCode.getLength());
break;
case CHINESE_GIF:
captcha = new ChineseGifCaptcha(loginCode.getWidth(),loginCode.getHeight());
captcha.setLen(loginCode.getLength());
break;
case GIF:
captcha = new GifCaptcha(loginCode.getWidth(),loginCode.getHeight());
captcha.setLen(loginCode.getLength());
break;
case SPEC:
captcha = new SpecCaptcha(loginCode.getWidth(),loginCode.getHeight());
captcha.setLen(loginCode.getLength());
default:
System.out.println("验证码配置信息错误!正确配置查看 LoginCodeEnum ");
}
}
if(StringUtils.isNotBlank(loginCode.getFontName())){
captcha.setFont(new Font(loginCode.getFontName(),Font.PLAIN,loginCode.getFontSize()));
}
return captcha;
}
static class FixedArithmeticCaptcha extends ArithmeticCaptcha{
public FixedArithmeticCaptcha(int width,int height){
super(width,height);
}
@Override
protected char[] alphas() {
// 生成随机数字和运算符
int n1 = num(1, 10), n2 = num(1, 10);
int opt = num(3);
// 计算结果
int res = new int[]{n1 + n2, n1 - n2, n1 * n2}[opt];
// 转换为字符运算符
char optChar = "+-x".charAt(opt);
this.setArithmeticString(String.format("%s%c%s=?", n1, optChar, n2));
this.chars = String.valueOf(res);
return chars.toCharArray();
}
}
}
在控制层上定义验证码生成接口
@Configuration
public class ConfigBeanConfiguration {
@Bean
@ConfigurationProperties(prefix = "login")
public LoginProperties loginProperties() {
return new LoginProperties();
}
}
定义验证逻辑生成类
@Data
public class LoginProperties {
private LoginCode loginCode;
/**
* 获取验证码生产类
* @return
*/
public Captcha getCaptcha(){
if(Objects.isNull(loginCode)){
loginCode = new LoginCode();
if(Objects.isNull(loginCode.getCodeType())){
loginCode.setCodeType(LoginCodeEnum.ARITHMETIC);
}
}
return switchCaptcha(loginCode);
}
/**
* 依据配置信息生产验证码
* @param loginCode
* @return
*/
private Captcha switchCaptcha(LoginCode loginCode){
Captcha captcha = null;
synchronized (this){
switch (loginCode.getCodeType()){
case ARITHMETIC:
captcha = new FixedArithmeticCaptcha(loginCode.getWidth(),loginCode.getHeight());
captcha.setLen(loginCode.getLength());
break;
case CHINESE:
captcha = new ChineseCaptcha(loginCode.getWidth(),loginCode.getHeight());
captcha.setLen(loginCode.getLength());
break;
case CHINESE_GIF:
captcha = new ChineseGifCaptcha(loginCode.getWidth(),loginCode.getHeight());
captcha.setLen(loginCode.getLength());
break;
case GIF:
captcha = new GifCaptcha(loginCode.getWidth(),loginCode.getHeight());
captcha.setLen(loginCode.getLength());
break;
case SPEC:
captcha = new SpecCaptcha(loginCode.getWidth(),loginCode.getHeight());
captcha.setLen(loginCode.getLength());
default:
System.out.println("验证码配置信息错误!正确配置查看 LoginCodeEnum ");
}
}
if(StringUtils.isNotBlank(loginCode.getFontName())){
captcha.setFont(new Font(loginCode.getFontName(),Font.PLAIN,loginCode.getFontSize()));
}
return captcha;
}
static class FixedArithmeticCaptcha extends ArithmeticCaptcha{
public FixedArithmeticCaptcha(int width,int height){
super(width,height);
}
@Override
protected char[] alphas() {
// 生成随机数字和运算符
int n1 = num(1, 10), n2 = num(1, 10);
int opt = num(3);
// 计算结果
int res = new int[]{n1 + n2, n1 - n2, n1 * n2}[opt];
// 转换为字符运算符
char optChar = "+-x".charAt(opt);
this.setArithmeticString(String.format("%s%c%s=?", n1, optChar, n2));
this.chars = String.valueOf(res);
return chars.toCharArray();
}
}
}
在控制层上定义验证码生成接口