diff --git a/docs/一个非常奇怪的错误.md b/docs/一个非常奇怪的错误.md new file mode 100644 index 0000000..7510179 --- /dev/null +++ b/docs/一个非常奇怪的错误.md @@ -0,0 +1,28 @@ +问题 本质原因 +访问 POST 接口用 GET，路径又模糊匹配 Spring 把你写的 testMethod 误当成其他接口的参数，比如 {id}，尝试类型转换失败 +预期 405 报错却看到类型转换失败 是路径匹配到了别的接口，没走到你定义的方法 +解决办法 用正确的请求方式 / 添加明确前缀 / 避免通配路径冲突 + +现在有这个一个方法 + +```java +@GetMapping("{id}") +public Result queryById(@PathVariable("id") Integer id) { +return Result.success(courseService.getById(id)); +} +``` + +我又写了一个方法 +```java +@PostMapping("/testMethod") +public void testMethod(@RequestParam(name = "page") Long pageNum){ + +} +``` +然后我请求 +```java +GET http://localhost:8084/bs/courses/testMethod?page=1 +``` +请求其实走到了上面 + +Spring 的路径匹配是优先按 URL 结构匹配，方法类型（GET/POST）其次。 \ No newline at end of file diff --git a/src/main/java/com/guwan/backend/JudgeEngine.java b/src/main/java/com/guwan/backend/JudgeEngine.java index 4b05432..99f0351 100644 --- a/src/main/java/com/guwan/backend/JudgeEngine.java +++ b/src/main/java/com/guwan/backend/JudgeEngine.java @@ -1,6 +1,5 @@ package com.guwan.backend; -import com.fasterxml.jackson.core.type.TypeReference; import com.fasterxml.jackson.databind.ObjectMapper; import java.lang.reflect.Method; diff --git a/src/main/java/com/guwan/backend/VideoDuration.java b/src/main/java/com/guwan/backend/VideoDuration.java deleted file mode 100644 index f620cbd..0000000 --- a/src/main/java/com/guwan/backend/VideoDuration.java +++ /dev/null @@ -1,52 +0,0 @@ -package com.guwan.backend; - -import org.apache.tika.metadata.Metadata; -import org.apache.tika.parser.AutoDetectParser; -import org.apache.tika.parser.ParseContext; -import org.apache.tika.parser.Parser; -import org.apache.tika.sax.BodyContentHandler; - -import java.io.FileInputStream; -import java.io.InputStream; -import java.net.URL; - -public class VideoDuration { -// public static void main(String[] args) { -// /* String preSignedUrl = "http://localhost:9000/videos/ffffad37-9804-4765-ae18-3f8dcda9bea8.mp4"; // Minio 预签名 URL -// -// try (InputStream stream = new URL(preSignedUrl).openStream()) { -// Metadata metadata = new Metadata(); -// Parser parser = new AutoDetectParser(); -// parser.parse(stream, new BodyContentHandler(), metadata, new ParseContext()); -// -// String duration = metadata.get("duration"); -// System.out.println("视频时长（毫秒）: " + duration); -// } catch (Exception e) { -// e.printStackTrace(); -// }*/ -// int i = 0; -// while (i< 5){ -// if (i ==3){ -// i++; -// continue; -// } -// System.out.println(i); -// i++; -// } -// -// } - - - static boolean foo(char x) { - System.out.print(x); - return true; - } - - public static void main(String[] args) { - int i = 0; - for (foo('A'); foo('B') && (i < 2); foo('C')) { - i++; - foo('D'); - } - } -} \ No newline at end of file diff --git a/src/main/java/com/guwan/backend/constant/SecurityConstants.java b/src/main/java/com/guwan/backend/constant/SecurityConstants.java index 3faae17..9e6664d 100644 --- a/src/main/java/com/guwan/backend/constant/SecurityConstants.java +++ b/src/main/java/com/guwan/backend/constant/SecurityConstants.java @@ -23,6 +23,11 @@ public class SecurityConstants { "/captcha/verify", //验证码认证接口 + "/bs/courses/testMethod", + "/bs/courses/testMethodOne", + + + "/challenge", "/ws/**", "/faceTest", "/compareFaces", diff --git a/src/main/java/com/guwan/backend/controller/CommonController.java b/src/main/java/com/guwan/backend/controller/CommonController.java index 0d81712..1514d09 100644 --- a/src/main/java/com/guwan/backend/controller/CommonController.java +++ b/src/main/java/com/guwan/backend/controller/CommonController.java @@ -14,6 +14,7 @@ import dev.langchain4j.community.model.dashscope.QwenStreamingChatModel; import dev.langchain4j.model.chat.response.ChatResponse; import dev.langchain4j.model.chat.response.StreamingChatResponseHandler; import io.minio.MinioClient; +import jakarta.transaction.Transactional; import lombok.RequiredArgsConstructor; import lombok.extern.slf4j.Slf4j; import okhttp3.OkHttpClient; @@ -74,6 +75,22 @@ public class CommonController { (bucketName, minioUtil.uploadFile(bucketName, file)))); } + @PostMapping("/test111111") + public Result test111111(@RequestParam Integer id){ + return null; + } + + @GetMapping("/test222222") + public Result test222222(){ + return null; + } + + @PostMapping("/test333333") + public Result test333333(@RequestParam(name = "page") Long id){ + return null; + } + + // @PostMapping("/addBookComment") // public Result addBookComment(String url) { // log.debug(url); diff --git a/src/main/java/com/guwan/backend/controller/CourseController.java b/src/main/java/com/guwan/backend/controller/CourseController.java index 025933f..251b1e0 100644 --- a/src/main/java/com/guwan/backend/controller/CourseController.java +++ b/src/main/java/com/guwan/backend/controller/CourseController.java @@ -4,15 +4,15 @@ package com.guwan.backend.controller; import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper; import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper; -import com.baomidou.mybatisplus.extension.conditions.update.LambdaUpdateChainWrapper; import com.baomidou.mybatisplus.extension.plugins.pagination.Page; import com.guwan.backend.common.Result; import com.guwan.backend.common.SearchResult; import com.guwan.backend.mybatis.query.LambdaQueryWrapperX; -import com.guwan.backend.pojo.dto.BSCategory; +import com.guwan.backend.pojo.entity.BSCategory; import com.guwan.backend.pojo.dto.course.InsertCourseDTO; import com.guwan.backend.pojo.entity.*; import com.guwan.backend.pojo.response.CourseByAdminVO; +import com.guwan.backend.pojo.response.CourseCenterVO; import com.guwan.backend.pojo.response.courseDetail.BaseSectionVO; import com.guwan.backend.pojo.response.courseDetail.ChapterVO; import com.guwan.backend.pojo.response.courseDetail.CourseDetailVO; @@ -350,5 +350,55 @@ public class CourseController { return Result.success(); } + @GetMapping("/getCourseCenterList") + public SearchResult getCourseCenterList(@RequestParam(name = "page") Long pageNum, + @RequestParam Long size, + @RequestParam(required = false) String categoryId, + @RequestParam(required = false) String levelId, + @RequestParam(required = false) String typeId, + @RequestParam(required = false) String sortBy, + @RequestParam(required = false) String search) { + + Page page = new Page<>(pageNum, size); + + long count = courseService.count(); + + List courseList = courseService.list(page, new + LambdaQueryWrapperX().eqIfPresent(Course::getCategoryId, categoryId) + .eqIfPresent(Course::getLevelId, levelId).eqIfPresent(Course::getTypeId, typeId) + .likeIfPresent(Course::getTitle, search)); + + List courseCenterVOList = courseList.stream().map( + course -> { + CourseCenterVO courseCenterVO = new CourseCenterVO(); + BeanUtils.copyProperties(course, courseCenterVO); + courseCenterVO.setTeacher(teacherService.getById(course.getTeacherId()).getName()); + return courseCenterVO; + } + ).toList(); + + + if (sortBy != null && !sortBy.isEmpty()) { + if (sortBy.equals("newest")) { + + } + if (sortBy.equals("popular")) { + + } + if (sortBy.equals("rating")) { + + } + } + + return SearchResult.success(courseCenterVOList, count); + } + + @PostMapping("/testMethod") + public void testMethod(@RequestParam(name = "page") Long pageNum){ + + } + + + } diff --git a/src/main/java/com/guwan/backend/mapper/BSCategoryMapper.java b/src/main/java/com/guwan/backend/mapper/BSCategoryMapper.java index 7c1a122..c7388de 100644 --- a/src/main/java/com/guwan/backend/mapper/BSCategoryMapper.java +++ b/src/main/java/com/guwan/backend/mapper/BSCategoryMapper.java @@ -1,6 +1,6 @@ package com.guwan.backend.mapper; -import com.guwan.backend.pojo.dto.BSCategory; +import com.guwan.backend.pojo.entity.BSCategory; import com.baomidou.mybatisplus.core.mapper.BaseMapper; import org.apache.ibatis.annotations.Mapper; @@ -8,7 +8,7 @@ import org.apache.ibatis.annotations.Mapper; * @author 12455 * @description 针对表【category】的数据库操作Mapper * @createDate 2025-03-13 23:00:51 -* @Entity com.guwan.backend.pojo.dto.BSCategory +* @Entity com.guwan.backend.pojo.entity.BSCategory */ @Mapper public interface BSCategoryMapper extends BaseMapper { diff --git a/src/main/java/com/guwan/backend/pojo/dto/video/VideoDTO.java b/src/main/java/com/guwan/backend/pojo/dto/video/VideoDTO.java deleted file mode 100644 index 36d89e7..0000000 --- a/src/main/java/com/guwan/backend/pojo/dto/video/VideoDTO.java +++ /dev/null @@ -1,57 +0,0 @@ -package com.guwan.backend.pojo.dto.video; - -import lombok.Data; -import java.time.LocalDateTime; -import io.swagger.v3.oas.annotations.media.Schema; - -@Schema(description = "视频信息DTO") -@Data -public class VideoDTO { - @Schema(description = "视频ID") - private Long id; - - @Schema(description = "视频标题") - private String title; - - @Schema(description = "视频描述") - private String description; - - @Schema(description = "视频URL") - private String url; - - @Schema(description = "封面URL") - private String coverUrl; - - @Schema(description = "视频时长（秒）") - private Long duration; - - @Schema(description = "文件大小（字节）") - private Long size; - - @Schema(description = "状态：DRAFT-草稿，PUBLISHED-已发布，DELETED-已删除") - private String status; - - @Schema(description = "上传用户ID") - private Long userId; - - @Schema(description = "上传用户名") - private String username; - - @Schema(description = "创建时间") - private LocalDateTime createdTime; - - @Schema(description = "更新时间") - private LocalDateTime updatedTime; - - @Schema(description = "观看次数") - private Integer viewCount; - - @Schema(description = "点赞次数") - private Integer likeCount; - - @Schema(description = "标签，多个用逗号分隔") - private String tags; - - @Schema(description = "当前用户是否已点赞") - private Boolean hasLiked; -} \ No newline at end of file diff --git a/src/main/java/com/guwan/backend/pojo/dto/BSCategory.java b/src/main/java/com/guwan/backend/pojo/entity/BSCategory.java similarity index 87% rename from src/main/java/com/guwan/backend/pojo/dto/BSCategory.java rename to src/main/java/com/guwan/backend/pojo/entity/BSCategory.java index 6f1edb5..da94a87 100644 --- a/src/main/java/com/guwan/backend/pojo/dto/BSCategory.java +++ b/src/main/java/com/guwan/backend/pojo/entity/BSCategory.java @@ -1,6 +1,5 @@ -package com.guwan.backend.pojo.dto; +package com.guwan.backend.pojo.entity; -import com.baomidou.mybatisplus.annotation.IdType; import com.baomidou.mybatisplus.annotation.TableField; import com.baomidou.mybatisplus.annotation.TableId; import com.baomidou.mybatisplus.annotation.TableName; diff --git a/src/main/java/com/guwan/backend/pojo/response/CourseCenterVO.java b/src/main/java/com/guwan/backend/pojo/response/CourseCenterVO.java new file mode 100644 index 0000000..ed5efc5 --- /dev/null +++ b/src/main/java/com/guwan/backend/pojo/response/CourseCenterVO.java @@ -0,0 +1,23 @@ +package com.guwan.backend.pojo.response; + +import lombok.Data; + +import java.math.BigDecimal; + +@Data +public class CourseCenterVO { + private String id; + private String title; + private String description; + private String levelId; + private String typeId; + private String categoryId; + private String coverImg; + private BigDecimal rating; + private Integer ratingCount; + private BigDecimal price; + private Integer studentCount; + + private String teacher; + +} diff --git a/src/main/java/com/guwan/backend/service/BSCategoryService.java b/src/main/java/com/guwan/backend/service/BSCategoryService.java index c326c8a..d8cbe64 100644 --- a/src/main/java/com/guwan/backend/service/BSCategoryService.java +++ b/src/main/java/com/guwan/backend/service/BSCategoryService.java @@ -1,6 +1,6 @@ package com.guwan.backend.service; -import com.guwan.backend.pojo.dto.BSCategory; +import com.guwan.backend.pojo.entity.BSCategory; import com.baomidou.mybatisplus.extension.service.IService; /** diff --git a/src/main/java/com/guwan/backend/service/impl/BSCategoryServiceImpl.java b/src/main/java/com/guwan/backend/service/impl/BSCategoryServiceImpl.java index 06a1fe7..37aab20 100644 --- a/src/main/java/com/guwan/backend/service/impl/BSCategoryServiceImpl.java +++ b/src/main/java/com/guwan/backend/service/impl/BSCategoryServiceImpl.java @@ -1,7 +1,7 @@ package com.guwan.backend.service.impl; import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl; -import com.guwan.backend.pojo.dto.BSCategory; +import com.guwan.backend.pojo.entity.BSCategory; import com.guwan.backend.service.BSCategoryService; import com.guwan.backend.mapper.BSCategoryMapper; import org.springframework.stereotype.Service;