feat(新增): 生成验证码信息

spzx-manager/src/main/java/com/atguigu/spzx/manger/controller/IndexController.java

@@ -1,17 +1,16 @@
 package com.atguigu.spzx.manger.controller;
 
 import com.atguigu.spzx.manger.service.SysUserService;
+import com.atguigu.spzx.manger.service.ValidateCodeService;
 import com.atguigu.spzx.model.dto.system.LoginDto;
 import com.atguigu.spzx.model.vo.result.Result;
 import com.atguigu.spzx.model.vo.result.ResultCodeEnum;
 import com.atguigu.spzx.model.vo.system.LoginVo;
+import com.atguigu.spzx.model.vo.system.ValidateCodeVo;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.web.bind.annotation.PostMapping;
-import org.springframework.web.bind.annotation.RequestBody;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.*;
 
 @Tag(name = "用户接口")
 @RestController
@@ -19,6 +18,8 @@ import org.springframework.web.bind.annotation.RestController;
 public class IndexController {
     @Autowired
     private SysUserService sysUserService;
+    @Autowired
+    private ValidateCodeService validateCodeService;
 
     @Operation(summary = "登录请求", description = "登录请求实现")
     @PostMapping("login")
@@ -26,4 +27,11 @@ public class IndexController {
         LoginVo vo = sysUserService.login(loginDto);
         return Result.success(vo, ResultCodeEnum.SUCCESS);
     }
+
+    @Operation(summary = "生成验证码", description = "生成验证码信息")
+    @GetMapping("generateValidateCode")
+    public Result<ValidateCodeVo> generateValidateCode() {
+        ValidateCodeVo vo = validateCodeService.generateValidateCode();
+        return Result.success(vo, ResultCodeEnum.SUCCESS);
+    }
 }

spzx-manager/src/main/java/com/atguigu/spzx/manger/service/ValidateCodeService.java

@@ -0,0 +1,12 @@
+package com.atguigu.spzx.manger.service;
+
+import com.atguigu.spzx.model.vo.system.ValidateCodeVo;
+
+public interface ValidateCodeService {
+    /**
+     * 生成验证码信息
+     *
+     * @return 验证码响应结果实体类
+     */
+    ValidateCodeVo generateValidateCode();
+}

spzx-manager/src/main/java/com/atguigu/spzx/manger/service/impl/ValidateCodeServiceImpl.java

@@ -0,0 +1,36 @@
+package com.atguigu.spzx.manger.service.impl;
+
+import cn.hutool.captcha.CaptchaUtil;
+import cn.hutool.captcha.CircleCaptcha;
+import com.atguigu.spzx.manger.service.ValidateCodeService;
+import com.atguigu.spzx.model.vo.system.ValidateCodeVo;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.redis.core.RedisTemplate;
+import org.springframework.stereotype.Service;
+
+import java.util.UUID;
+import java.util.concurrent.TimeUnit;
+
+@Service
+public class ValidateCodeServiceImpl implements ValidateCodeService {
+    @Autowired
+    private RedisTemplate redisTemplate;
+
+    /**
+     * 生成验证码信息
+     *
+     * @return 验证码响应结果实体类
+     */
+    @Override
+    public ValidateCodeVo generateValidateCode() {
+        // 1. 通过工具生成验证码
+        CircleCaptcha captcha = CaptchaUtil.createCircleCaptcha(150, 48, 4, 2);
+        String code = captcha.getCode();
+        String base64Image = "data:image/png;base64," + captcha.getImageBase64();
+        // 2. 验证码存储到Redis中，Redis的key为UUID，值为验证码的值
+        String key = UUID.randomUUID().toString();
+        // 3. 返回ValidateCodeVo
+        redisTemplate.opsForValue().set(key, code, 1, TimeUnit.MINUTES);
+        return ValidateCodeVo.builder().codeKey(key).codeValue(base64Image).build();
+    }
+}

spzx-model/src/main/java/com/atguigu/spzx/model/vo/system/ValidateCodeVo.java

@@ -1,16 +1,20 @@
 package com.atguigu.spzx.model.vo.system;
 
 import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
 import lombok.Data;
+import lombok.NoArgsConstructor;
 
 @Data
+@Builder
+@AllArgsConstructor
+@NoArgsConstructor
 @Schema(description = "验证码响应结果实体类")
 public class ValidateCodeVo {
-
     @Schema(description = "验证码key")
-    private String codeKey ;        // 验证码的key
+    private String codeKey;        // 验证码的key
 
     @Schema(description = "验证码value")
-    private String codeValue ;      // 图片验证码对应的字符串数据
-
+    private String codeValue;      // 图片验证码对应的字符串数据
 }