代码优化，更换图形验证方式

eladmin-common/src/main/java/me/zhengjie/redis/RedisConfig.java → eladmin-common/src/main/java/me/zhengjie/config/RedisConfig.java

-package me.zhengjie.redis;
+package me.zhengjie.config;
 
+import cn.hutool.core.lang.Assert;
 import com.alibaba.fastjson.JSON;
 import com.alibaba.fastjson.parser.ParserConfig;
+import com.alibaba.fastjson.serializer.SerializerFeature;
 import lombok.extern.slf4j.Slf4j;
+import me.zhengjie.utils.StringUtils;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
 import org.springframework.boot.autoconfigure.data.redis.RedisProperties;
@@ -19,6 +22,10 @@ import org.springframework.data.redis.connection.RedisConnectionFactory;
 import org.springframework.data.redis.core.RedisOperations;
 import org.springframework.data.redis.core.RedisTemplate;
 import org.springframework.data.redis.serializer.RedisSerializationContext;
+import org.springframework.data.redis.serializer.RedisSerializer;
+import org.springframework.data.redis.serializer.SerializationException;
+import java.nio.charset.Charset;
+import java.nio.charset.StandardCharsets;
 import java.time.Duration;
 
 /**
@@ -116,3 +123,71 @@ public class RedisConfig extends CachingConfigurerSupport {
     }
 
 }
+
+/**
+ * Value 序列化
+ *
+ * @author /
+ * @param <T>
+ */
+ class FastJsonRedisSerializer<T> implements RedisSerializer<T> {
+
+    private Class<T> clazz;
+
+    FastJsonRedisSerializer(Class<T> clazz) {
+        super();
+        this.clazz = clazz;
+    }
+
+    @Override
+    public byte[] serialize(T t) throws SerializationException {
+        if (t == null) {
+            return new byte[0];
+        }
+        return JSON.toJSONString(t, SerializerFeature.WriteClassName).getBytes(StandardCharsets.UTF_8);
+    }
+
+    @Override
+    public T deserialize(byte[] bytes) throws SerializationException {
+        if (bytes == null || bytes.length <= 0) {
+            return null;
+        }
+        String str = new String(bytes, StandardCharsets.UTF_8);
+        return JSON.parseObject(str, clazz);
+    }
+
+}
+
+/**
+ * 重写序列化器
+ *
+ * @author /
+ */
+class StringRedisSerializer implements RedisSerializer<Object> {
+
+    private final Charset charset;
+
+    StringRedisSerializer() {
+        this(StandardCharsets.UTF_8);
+    }
+
+    private StringRedisSerializer(Charset charset) {
+        Assert.notNull(charset, "Charset must not be null!");
+        this.charset = charset;
+    }
+
+    @Override
+    public String deserialize(byte[] bytes) {
+        return (bytes == null ? null : new String(bytes, charset));
+    }
+
+    @Override
+    public byte[] serialize(Object object) {
+        String string = JSON.toJSONString(object);
+        if (StringUtils.isBlank(string)) {
+            return null;
+        }
+        string = string.replace("\"", "");
+        return string.getBytes(charset);
+    }
+}

eladmin-common/src/main/java/me/zhengjie/swagger2/SwaggerConfig.java → eladmin-common/src/main/java/me/zhengjie/config/SwaggerConfig.java

-package me.zhengjie.swagger2;
+package me.zhengjie.config;
 
+import com.fasterxml.classmate.TypeResolver;
 import com.google.common.base.Predicates;
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.core.Ordered;
+import org.springframework.data.domain.Pageable;
 import springfox.documentation.builders.ApiInfoBuilder;
 import springfox.documentation.builders.ParameterBuilder;
 import springfox.documentation.builders.PathSelectors;
+import springfox.documentation.schema.AlternateTypeRule;
+import springfox.documentation.schema.AlternateTypeRuleConvention;
 import springfox.documentation.schema.ModelRef;
 import springfox.documentation.service.ApiInfo;
 import springfox.documentation.service.Parameter;
@@ -16,6 +23,9 @@ import springfox.documentation.swagger2.annotations.EnableSwagger2;
 import java.util.ArrayList;
 import java.util.List;
 
+import static com.google.common.collect.Lists.newArrayList;
+import static springfox.documentation.schema.AlternateTypeRules.newRule;
+
 /**
  * api页面 /swagger-ui.html
  * @author Zheng Jie
@@ -60,3 +70,61 @@ public class SwaggerConfig {
     }
 
 }
+
+/**
+ *  将Pageable转换展示在swagger中
+ */
+@Configuration
+class SwaggerDataConfig {
+
+    @Bean
+    public AlternateTypeRuleConvention pageableConvention(final TypeResolver resolver) {
+        return new AlternateTypeRuleConvention() {
+            @Override
+            public int getOrder() {
+                return Ordered.HIGHEST_PRECEDENCE;
+            }
+
+            @Override
+            public List<AlternateTypeRule> rules() {
+                return newArrayList(newRule(resolver.resolve(Pageable.class), resolver.resolve(Page.class)));
+            }
+        };
+    }
+
+    @ApiModel
+    static class Page {
+        @ApiModelProperty("页码 (0..N)")
+        private Integer page;
+
+        @ApiModelProperty("每页显示的数目")
+        private Integer size;
+
+        @ApiModelProperty("以下列格式排序标准：property[,asc | desc]。 默认排序顺序为升序。 支持多种排序条件：如：id,asc")
+        private List<String> sort;
+
+        public Integer getPage() {
+            return page;
+        }
+
+        public void setPage(Integer page) {
+            this.page = page;
+        }
+
+        public Integer getSize() {
+            return size;
+        }
+
+        public void setSize(Integer size) {
+            this.size = size;
+        }
+
+        public List<String> getSort() {
+            return sort;
+        }
+
+        public void setSort(List<String> sort) {
+            this.sort = sort;
+        }
+    }
+}

eladmin-common/src/main/java/me/zhengjie/exception/BadRequestException.java

@@ -2,7 +2,6 @@ package me.zhengjie.exception;
 
 import lombok.Getter;
 import org.springframework.http.HttpStatus;
-
 import static org.springframework.http.HttpStatus.BAD_REQUEST;
 
 /**

eladmin-common/src/main/java/me/zhengjie/exception/EntityExistException.java

 package me.zhengjie.exception;
 
 import org.springframework.util.StringUtils;
-import java.util.HashMap;
-import java.util.Map;
-import java.util.stream.IntStream;
 
 /**
  * @author Zheng Jie
@@ -12,16 +9,11 @@ import java.util.stream.IntStream;
 public class EntityExistException extends RuntimeException {
 
     public EntityExistException(Class clazz, String field, String val) {
-        super(EntityExistException.generateMessage(clazz.getSimpleName(), toMap(field, val)));
+        super(EntityExistException.generateMessage(clazz.getSimpleName(), field, val));
     }
 
-    private static String generateMessage(String entity, Map<Object, Object> saveBodyParams) {
-        return StringUtils.capitalize(entity) +
-                " 已存在 " +
-                saveBodyParams;
-    }
-
-    private static Map<Object, Object> toMap(String... entries) {
-        return new HashMap<Object, Object>(){{ put(entries[0], entries[1]); }};
+    private static String generateMessage(String entity, String field, String val) {
+        return StringUtils.capitalize(entity)
+                + " with " + field + " "+ val + " existed";
     }
 }
\ No newline at end of file

eladmin-common/src/main/java/me/zhengjie/exception/EntityNotFoundException.java

@@ -2,10 +2,6 @@ package me.zhengjie.exception;
 
 import org.springframework.util.StringUtils;
 
-import java.util.HashMap;
-import java.util.Map;
-import java.util.stream.IntStream;
-
 /**
  * @author Zheng Jie
  * @date 2018-11-23
@@ -13,16 +9,11 @@ import java.util.stream.IntStream;
 public class EntityNotFoundException extends RuntimeException {
 
     public EntityNotFoundException(Class clazz, String field, String val) {
-        super(EntityNotFoundException.generateMessage(clazz.getSimpleName(), toMap(field, val)));
-    }
-
-    private static String generateMessage(String entity, Map<Object, Object> searchParams) {
-        return StringUtils.capitalize(entity) +
-                " 不存在 " +
-                searchParams;
+        super(EntityNotFoundException.generateMessage(clazz.getSimpleName(), field, val));
     }
 
-    private static Map<Object, Object> toMap(String... entries) {
-        return new HashMap<Object, Object>(){{ put(entries[0], entries[1]); }};
+    private static String generateMessage(String entity, String field, String val) {
+        return StringUtils.capitalize(entity)
+                + " with " + field + " "+ val + " does not exist";
     }
 }
\ No newline at end of file

eladmin-common/src/main/java/me/zhengjie/exception/handler/ApiError.java

@@ -12,7 +12,7 @@ import java.time.LocalDateTime;
 @Data
 class ApiError {
 
-    private Integer status;
+    private Integer status = 400;
     @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss")
     private LocalDateTime timestamp;
     private String message;
@@ -21,10 +21,17 @@ class ApiError {
         timestamp = LocalDateTime.now();
     }
 
-    ApiError(Integer status, String message) {
-        this();
-        this.status = status;
-        this.message = message;
+    public static ApiError error(String message){
+        ApiError apiError = new ApiError();
+        apiError.setMessage(message);
+        return apiError;
+    }
+
+    public static ApiError error(Integer status, String message){
+        ApiError apiError = new ApiError();
+        apiError.setStatus(status);
+        apiError.setMessage(message);
+        return apiError;
     }
 }
 

eladmin-common/src/main/java/me/zhengjie/exception/handler/GlobalExceptionHandler.java

@@ -11,9 +11,7 @@ import org.springframework.security.access.AccessDeniedException;
 import org.springframework.web.bind.MethodArgumentNotValidException;
 import org.springframework.web.bind.annotation.ExceptionHandler;
 import org.springframework.web.bind.annotation.RestControllerAdvice;
-
 import java.util.Objects;
-
 import static org.springframework.http.HttpStatus.*;
 
 /**
@@ -31,8 +29,7 @@ public class GlobalExceptionHandler {
     public ResponseEntity handleException(Throwable e){
         // 打印堆栈信息
         log.error(ThrowableUtil.getStackTrace(e));
-        ApiError apiError = new ApiError(BAD_REQUEST.value(),e.getMessage());
-        return buildResponseEntity(apiError);
+        return buildResponseEntity(ApiError.error(e.getMessage()));
     }
 
     /**
@@ -42,8 +39,7 @@ public class GlobalExceptionHandler {
     public ResponseEntity handleAccessDeniedException(AccessDeniedException e){
         // 打印堆栈信息
         log.error(ThrowableUtil.getStackTrace(e));
-        ApiError apiError = new ApiError(FORBIDDEN.value(),e.getMessage());
-        return buildResponseEntity(apiError);
+        return buildResponseEntity(ApiError.error(FORBIDDEN.value(),e.getMessage()));
     }
 
     /**
@@ -53,8 +49,7 @@ public class GlobalExceptionHandler {
 	public ResponseEntity<ApiError> badRequestException(BadRequestException e) {
         // 打印堆栈信息
         log.error(ThrowableUtil.getStackTrace(e));
-        ApiError apiError = new ApiError(e.getStatus(),e.getMessage());
-        return buildResponseEntity(apiError);
+        return buildResponseEntity(ApiError.error(e.getStatus(),e.getMessage()));
 	}
 
     /**
@@ -64,8 +59,7 @@ public class GlobalExceptionHandler {
     public ResponseEntity<ApiError> entityExistException(EntityExistException e) {
         // 打印堆栈信息
         log.error(ThrowableUtil.getStackTrace(e));
-        ApiError apiError = new ApiError(BAD_REQUEST.value(),e.getMessage());
-        return buildResponseEntity(apiError);
+        return buildResponseEntity(ApiError.error(e.getMessage()));
     }
 
     /**
@@ -75,8 +69,7 @@ public class GlobalExceptionHandler {
     public ResponseEntity<ApiError> entityNotFoundException(EntityNotFoundException e) {
         // 打印堆栈信息
         log.error(ThrowableUtil.getStackTrace(e));
-        ApiError apiError = new ApiError(NOT_FOUND.value(),e.getMessage());
-        return buildResponseEntity(apiError);
+        return buildResponseEntity(ApiError.error(NOT_FOUND.value(),e.getMessage()));
     }
 
     /**
@@ -87,8 +80,8 @@ public class GlobalExceptionHandler {
         // 打印堆栈信息
         log.error(ThrowableUtil.getStackTrace(e));
         String[] str = Objects.requireNonNull(e.getBindingResult().getAllErrors().get(0).getCodes())[1].split("\\.");
-        ApiError apiError = new ApiError(BAD_REQUEST.value(), str[1] + ":" + e.getBindingResult().getAllErrors().get(0).getDefaultMessage());
-        return buildResponseEntity(apiError);
+        String message = str[1] + ":" + e.getBindingResult().getAllErrors().get(0).getDefaultMessage();
+        return buildResponseEntity(ApiError.error(message));
     }
 
     /**

eladmin-common/src/main/java/me/zhengjie/redis/FastJsonRedisSerializer.java

-package me.zhengjie.redis;
-
-import com.alibaba.fastjson.JSON;
-import com.alibaba.fastjson.serializer.SerializerFeature;
-import org.springframework.data.redis.serializer.RedisSerializer;
-import org.springframework.data.redis.serializer.SerializationException;
-import java.nio.charset.StandardCharsets;
-
-/**
- * Value 序列化
- *
- * @author /
- * @param <T>
- */
-public class FastJsonRedisSerializer<T> implements RedisSerializer<T> {
-
-    private Class<T> clazz;
-
-    FastJsonRedisSerializer(Class<T> clazz) {
-        super();
-        this.clazz = clazz;
-    }
-
-    @Override
-    public byte[] serialize(T t) throws SerializationException {
-        if (t == null) {
-            return new byte[0];
-        }
-        return JSON.toJSONString(t, SerializerFeature.WriteClassName).getBytes(StandardCharsets.UTF_8);
-    }
-
-    @Override
-    public T deserialize(byte[] bytes) throws SerializationException {
-        if (bytes == null || bytes.length <= 0) {
-            return null;
-        }
-        String str = new String(bytes, StandardCharsets.UTF_8);
-        return JSON.parseObject(str, clazz);
-    }
-
-}

eladmin-common/src/main/java/me/zhengjie/redis/StringRedisSerializer.java

-package me.zhengjie.redis;
-
-import cn.hutool.core.lang.Assert;
-import com.alibaba.fastjson.JSON;
-import me.zhengjie.utils.StringUtils;
-import org.springframework.data.redis.serializer.RedisSerializer;
-import java.nio.charset.Charset;
-import java.nio.charset.StandardCharsets;
-
-/**
- * 重写序列化器
- *
- * @author /
- */
-public class StringRedisSerializer implements RedisSerializer<Object> {
-
-    private final Charset charset;
-
-    StringRedisSerializer() {
-        this(StandardCharsets.UTF_8);
-    }
-
-    private StringRedisSerializer(Charset charset) {
-        Assert.notNull(charset, "Charset must not be null!");
-        this.charset = charset;
-    }
-
-    @Override
-    public String deserialize(byte[] bytes) {
-        return (bytes == null ? null : new String(bytes, charset));
-    }
-
-    @Override
-    public byte[] serialize(Object object) {
-        String string = JSON.toJSONString(object);
-        if (StringUtils.isBlank(string)) {
-            return null;
-        }
-        string = string.replace("\"", "");
-        return string.getBytes(charset);
-    }
-}
\ No newline at end of file

eladmin-common/src/main/java/me/zhengjie/swagger2/SwaggerDataConfig.java

-package me.zhengjie.swagger2;
import com.fasterxml.classmate.TypeResolver;import io.swagger.annotations.ApiModel;import io.swagger.annotations.ApiModelProperty;import org.springframework.context.annotation.Bean;import org.springframework.context.annotation.Configuration;import org.springframework.core.Ordered;import org.springframework.data.domain.Pageable;import springfox.documentation.schema.AlternateTypeRule;import springfox.documentation.schema.AlternateTypeRuleConvention;import java.util.List;import static com.google.common.collect.Lists.newArrayList;import static springfox.documentation.schema.AlternateTypeRules.newRule;
/**
 *  将Pageable转换展示在swagger中
 */@Configurationpublic class SwaggerDataConfig {

    @Bean
    public AlternateTypeRuleConvention pageableConvention(final TypeResolver resolver) {
        return new AlternateTypeRuleConvention() {
            @Override
            public int getOrder() {
                return Ordered.HIGHEST_PRECEDENCE;
            }

            @Override
            public List<AlternateTypeRule> rules() {
                return newArrayList(newRule(resolver.resolve(Pageable.class), resolver.resolve(Page.class)));
            }
        };
    }

    @ApiModel
    static class Page {
        @ApiModelProperty("页码 (0..N)")
        private Integer page;

        @ApiModelProperty("每页显示的数目")
        private Integer size;

        @ApiModelProperty("以下列格式排序标准：property[,asc | desc]。 默认排序顺序为升序。 支持多种排序条件：如：id,asc")
        private List<String> sort;

        public Integer getPage() {
            return page;
        }

        public void setPage(Integer page) {
            this.page = page;
        }

        public Integer getSize() {
            return size;
        }

        public void setSize(Integer size) {
            this.size = size;
        }

        public List<String> getSort() {
            return sort;
        }

        public void setSort(List<String> sort) {
            this.sort = sort;
        }
    }}
\ No newline at end of file

eladmin-system/src/main/java/me/zhengjie/modules/security/config/SecurityConfig.java

@@ -68,7 +68,6 @@ public class SecurityConfig extends WebSecurityConfigurerAdapter {
     @Override
     protected void configure(HttpSecurity httpSecurity) throws Exception {
 
-        String loginPath = "login";
         httpSecurity
 
                 // 禁用 CSRF
@@ -90,8 +89,8 @@ public class SecurityConfig extends WebSecurityConfigurerAdapter {
                         "/**/*.js"
                 ).anonymous()
 
-                .antMatchers( HttpMethod.POST,"/auth/"+ loginPath).anonymous()
-                .antMatchers("/auth/vCode").anonymous()
+                .antMatchers(HttpMethod.POST,"/auth/login").anonymous()
+                .antMatchers(HttpMethod.GET,"/auth/code").anonymous()
                 // 支付宝回调
                 .antMatchers("/api/aliPay/return").anonymous()
                 .antMatchers("/api/aliPay/notify").anonymous()

eladmin-system/src/main/java/me/zhengjie/modules/security/rest/AuthenticationController.java

 package me.zhengjie.modules.security.rest;
 
-import cn.hutool.core.codec.Base64;
 import cn.hutool.core.util.IdUtil;
+import com.wf.captcha.ArithmeticCaptcha;
 import io.swagger.annotations.Api;
 import io.swagger.annotations.ApiOperation;
 import lombok.extern.slf4j.Slf4j;
@@ -12,7 +12,6 @@ import me.zhengjie.modules.security.security.AuthenticationInfo;
 import me.zhengjie.modules.security.security.AuthorizationUser;
 import me.zhengjie.modules.security.security.ImgResult;
 import me.zhengjie.modules.security.security.JwtUser;
-import me.zhengjie.modules.security.utils.VerifyCodeUtils;
 import me.zhengjie.utils.EncryptUtils;
 import me.zhengjie.modules.security.utils.JwtTokenUtil;
 import me.zhengjie.utils.SecurityUtils;
@@ -24,8 +23,6 @@ import org.springframework.security.authentication.AccountExpiredException;
 import org.springframework.security.core.userdetails.UserDetailsService;
 import org.springframework.validation.annotation.Validated;
 import org.springframework.web.bind.annotation.*;
-import java.io.ByteArrayOutputStream;
-import java.io.IOException;
 
 /**
  * @author Zheng Jie
@@ -93,24 +90,16 @@ public class AuthenticationController {
     }
 
     @ApiOperation("获取验证码")
-    @GetMapping(value = "/vCode")
-    public ImgResult getCode() throws IOException {
-
-        //生成随机字串
-        String verifyCode = VerifyCodeUtils.generateVerifyCode(4);
+    @GetMapping(value = "/code")
+    public ImgResult getCode(){
+        // 算术类型 https://gitee.com/whvse/EasyCaptcha
+        ArithmeticCaptcha captcha = new ArithmeticCaptcha(111, 36);
+        // 几位数运算，默认是两位
+        captcha.setLen(2);
+        // 获取运算的结果：5
+        String result = captcha.text();
         String uuid = IdUtil.simpleUUID();
-        redisService.saveCode(uuid,verifyCode);
-        // 生成图片
-        int w = 111, h = 36;
-        ByteArrayOutputStream stream = new ByteArrayOutputStream();
-        VerifyCodeUtils.outputImage(w, h, stream, verifyCode);
-        try {
-            return new ImgResult(Base64.encode(stream.toByteArray()),uuid);
-        } catch (Exception e) {
-            e.printStackTrace();
-            return null;
-        } finally {
-            stream.close();
-        }
+        redisService.saveCode(uuid,result);
+        return new ImgResult(captcha.toBase64(),uuid);
     }
 }

eladmin-system/src/main/java/me/zhengjie/modules/security/utils/VerifyCodeUtils.java

-package me.zhengjie.modules.security.utils;
-
-import me.zhengjie.utils.StringUtils;
-
-import java.awt.Color;
-import java.awt.Font;
-import java.awt.Graphics;
-import java.awt.Graphics2D;
-import java.awt.RenderingHints;
-import java.awt.geom.AffineTransform;
-import java.awt.image.BufferedImage;
-import java.io.IOException;
-import java.io.OutputStream;
-import java.util.Arrays;
-import java.util.Random;
-import javax.imageio.ImageIO;
-
-/**
- * @author https://blog.csdn.net/ruixue0117/article/details/22829557
- * @date 2019-6-20 17:28:53
- */
-public class VerifyCodeUtils{
-
-    //使用到Algerian字体，系统里没有的话需要安装字体，字体只显示大写，去掉了1,0,i,o几个容易混淆的字符
-    private static final String VERIFY_CODES = "23456789ABCDEFGHJKLMNPQRSTUVWXYZ";
-    private static Random random = new Random();
-
-
-    /**
-     * 使用系统默认字符源生成验证码
-     * @param verifySize	验证码长度
-     * @return 验证码
-     */
-    public static String generateVerifyCode(int verifySize){
-        return generateVerifyCode(verifySize, VERIFY_CODES);
-    }
-
-    /**
-     * 使用指定源生成验证码
-     * @param verifySize	验证码长度
-     * @param sources	验证码字符源
-     * @return 验证码
-     */
-    private static String generateVerifyCode(int verifySize, String sources){
-        if(StringUtils.isBlank(sources)){
-            sources = VERIFY_CODES;
-        }
-        int codesLen = sources.length();
-        Random rand = new Random(System.currentTimeMillis());
-        StringBuilder verifyCode = new StringBuilder(verifySize);
-        for(int i = 0; i < verifySize; i++){
-            verifyCode.append(sources.charAt(rand.nextInt(codesLen-1)));
-        }
-        return verifyCode.toString();
-    }
-
-    /**
-     * 输出指定验证码图片流
-     * @param w /
-     * @param h /
-     * @param os /
-     * @param code /
-     * @throws IOException /
-     */
-    public static void outputImage(int w, int h, OutputStream os, String code) throws IOException{
-        int verifySize = code.length();
-        BufferedImage image = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
-        Random rand = new Random();
-        Graphics2D g2 = image.createGraphics();
-        g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON);
-        Color[] colors = new Color[5];
-        Color[] colorSpaces = new Color[] { Color.WHITE, Color.CYAN,
-                Color.GRAY, Color.LIGHT_GRAY, Color.MAGENTA, Color.ORANGE,
-                Color.PINK, Color.YELLOW };
-        float[] fractions = new float[colors.length];
-        for(int i = 0; i < colors.length; i++){
-            colors[i] = colorSpaces[rand.nextInt(colorSpaces.length)];
-            fractions[i] = rand.nextFloat();
-        }
-        Arrays.sort(fractions);
-
-        g2.setColor(Color.GRAY);// 设置边框色
-        g2.fillRect(0, 0, w, h);
-
-        Color c = getRandColor(200, 250);
-        g2.setColor(c);// 设置背景色
-        g2.fillRect(0, 2, w, h-4);
-
-        //绘制干扰线
-        Random random = new Random();
-        g2.setColor(getRandColor(160, 200));// 设置线条的颜色
-        for (int i = 0; i < 20; i++) {
-            int x = random.nextInt(w - 1);
-            int y = random.nextInt(h - 1);
-            int xl = random.nextInt(6) + 1;
-            int yl = random.nextInt(12) + 1;
-            g2.drawLine(x, y, x + xl + 40, y + yl + 20);
-        }
-
-        // 添加噪点
-        float yawpRate = 0.05f;// 噪声率
-        int area = (int) (yawpRate * w * h);
-        for (int i = 0; i < area; i++) {
-            int x = random.nextInt(w);
-            int y = random.nextInt(h);
-            int rgb = getRandomIntColor();
-            image.setRGB(x, y, rgb);
-        }
-
-        shear(g2, w, h, c);// 使图片扭曲
-
-        g2.setColor(getRandColor(100, 160));
-        int fontSize = h-4;
-        Font font = new Font("Algerian", Font.ITALIC, fontSize);
-        g2.setFont(font);
-        char[] chars = code.toCharArray();
-        for(int i = 0; i < verifySize; i++){
-            AffineTransform affine = new AffineTransform();
-            affine.setToRotation(Math.PI / 4 * rand.nextDouble() * (rand.nextBoolean() ? 1 : -1), (w / verifySize) * i + fontSize/2, h/2);
-            g2.setTransform(affine);
-            g2.drawChars(chars, i, 1, ((w-10) / verifySize) * i + 5, h/2 + fontSize/2 - 10);
-        }
-
-        g2.dispose();
-        ImageIO.write(image, "jpg", os);
-    }
-
-    private static Color getRandColor(int fc, int bc) {
-        if (fc > 255)
-            fc = 255;
-        if (bc > 255)
-            bc = 255;
-        int r = fc + random.nextInt(bc - fc);
-        int g = fc + random.nextInt(bc - fc);
-        int b = fc + random.nextInt(bc - fc);
-        return new Color(r, g, b);
-    }
-
-    private static int getRandomIntColor() {
-        int[] rgb = getRandomRgb();
-        int color = 0;
-        for (int c : rgb) {
-            color = color << 8;
-            color = color | c;
-        }
-        return color;
-    }
-
-    private static int[] getRandomRgb() {
-        int[] rgb = new int[3];
-        for (int i = 0; i < 3; i++) {
-            rgb[i] = random.nextInt(255);
-        }
-        return rgb;
-    }
-
-    private static void shear(Graphics g, int w1, int h1, Color color) {
-        shearX(g, w1, h1, color);
-        shearY(g, w1, h1, color);
-    }
-
-    private static void shearX(Graphics g, int w1, int h1, Color color) {
-        int period = random.nextInt(2);
-        int frames = 1;
-        int phase = random.nextInt(2);
-        for (int i = 0; i < h1; i++) {
-            double d = (double) (period >> 1)
-                    * Math.sin((double) i / (double) period
-                    + (6.2831853071795862D * (double) phase)
-                    / (double) frames);
-            g.copyArea(0, i, w1, 1, (int) d, 0);
-            g.setColor(color);
-            g.drawLine((int) d, i, 0, i);
-            g.drawLine((int) d + w1, i, w1, i);
-        }
-
-    }
-
-    private static void shearY(Graphics g, int w1, int h1, Color color) {
-        int period = random.nextInt(40) + 10; // 50;
-        int frames = 20;
-        int phase = 7;
-        for (int i = 0; i < w1; i++) {
-            double d = (double) (period >> 1)
-                    * Math.sin((double) i / (double) period
-                    + (6.2831853071795862D * (double) phase)
-                    / (double) frames);
-            g.copyArea(i, 0, 1, h1, 0, (int) d);
-            g.setColor(color);
-            g.drawLine(i, (int) d, i, 0);
-            g.drawLine(i, (int) d + h1, i, h1);
-
-        }
-    }
-}
\ No newline at end of file

eladmin-system/src/main/resources/config/application.yml

@@ -22,7 +22,7 @@ spring:
 
   redis:
     #数据库索引
-    database: 1
+    database: 0
     host: 127.0.0.1
     port: 6379
     password:

pom.xml

@@ -195,6 +195,11 @@
             <artifactId>javax.inject</artifactId>
             <version>1</version>
         </dependency>
+        <dependency>
+            <groupId>com.github.whvcse</groupId>
+            <artifactId>easy-captcha</artifactId>
+            <version>1.6.2</version>
+        </dependency>
     </dependencies>
 
     <build>