【新增】数据国际化支持

src/main/java/com/corewing/app/controller/CourseController.java

@@ -8,6 +8,8 @@ import com.corewing.app.entity.Course;
 import com.corewing.app.entity.CourseCategory;
 import com.corewing.app.service.CourseCategoryService;
 import com.corewing.app.service.CourseService;
+import com.corewing.app.util.I18nUtil;
+import lombok.extern.slf4j.Slf4j;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestParam;
@@ -20,6 +22,7 @@ import java.util.List;
  */
 @RequestMapping("/course")
 @RestController
+@Slf4j
 public class CourseController {
 
     private final CourseService courseService;
@@ -40,8 +43,10 @@ public class CourseController {
     public Result<List<CourseCategory>> category(
             @RequestParam(required = false, defaultValue = "0") Integer firstStatus
     ) {
+        log.info("当前语言环境：{}", I18nUtil.getCurrentLocale().getLanguage());
         LambdaQueryWrapper<CourseCategory> wrapper = new LambdaQueryWrapper<>();
         wrapper.eq(firstStatus != 0, CourseCategory::getFirstStatus, firstStatus);
+        wrapper.eq(CourseCategory::getLang, I18nUtil.getCurrentLocale().getLanguage());
         List<CourseCategory> list = courseCategoryService.list(wrapper);
         return Result.success(list);
     }
@@ -63,7 +68,7 @@ public class CourseController {
             @RequestParam(required = false) String courseTitle) {
         try {
             Page<Course> page = new Page<>(current, size);
-            IPage<Course> pageResult = courseService.pageList(page, categoryId, courseTitle);
+            IPage<Course> pageResult = courseService.pageList(page, categoryId, courseTitle, I18nUtil.getCurrentLocale().getLanguage());
             return Result.success(pageResult);
         } catch (Exception e) {
             return Result.error(e.getMessage());

src/main/java/com/corewing/app/entity/Course.java

@@ -53,6 +53,11 @@ public class Course implements Serializable {
      */
     private Integer status;
 
+    /**
+     * 语言：中文zh，英文：en
+     */
+    private String lang;
+
     /**
      * 创建时间
      */

src/main/java/com/corewing/app/entity/CourseCategory.java

@@ -51,6 +51,11 @@ public class CourseCategory implements Serializable {
      */
     private Integer status;
 
+    /**
+     * 语言：中文zh，英文：en
+     */
+    private String lang;
+
     /**
      * 创建时间
      */

src/main/java/com/corewing/app/mapper/CourseMapper.java

@@ -13,5 +13,5 @@ import org.apache.ibatis.annotations.Param;
 @Mapper
 public interface CourseMapper extends BaseMapper<Course> {
 
-    Page<Course> pageList(Page<Course> page, @Param("categoryId") int categoryId, @Param("courseTitle") String courseTitle);
+    Page<Course> pageList(Page<Course> page, @Param("categoryId") int categoryId, @Param("courseTitle") String courseTitle, @Param("lang") String lang);
 }

src/main/java/com/corewing/app/service/CourseService.java

@@ -6,5 +6,5 @@ import com.baomidou.mybatisplus.extension.service.IService;
 import com.corewing.app.entity.Course;
 
 public interface CourseService extends IService<Course> {
-    IPage<Course> pageList(Page<Course> page, int categoryId, String courseTitle);
+    IPage<Course> pageList(Page<Course> page, int categoryId, String courseTitle, String lang);
 }

src/main/java/com/corewing/app/service/impl/CourseServiceImpl.java

@@ -18,7 +18,7 @@ public class CourseServiceImpl extends ServiceImpl<CourseMapper, Course> impleme
     }
 
     @Override
-    public IPage<Course> pageList(Page<Course> page, int categoryId, String courseTitle) {
-        return courseMapper.pageList(page, categoryId, courseTitle);
+    public IPage<Course> pageList(Page<Course> page, int categoryId, String courseTitle, String lang) {
+        return courseMapper.pageList(page, categoryId, courseTitle, lang);
     }
 }

src/main/resources/mapper/CourseMapper.xml

@@ -24,13 +24,12 @@
         left join app_course_category cc on cc.id = ccr.category_id
     </sql>
 
-
-
     <!-- 分页查询 -->
     <select id="pageList" resultMap="VOResultMap">
         <include refid="selectVOSql"/>
         <where>
             c.status = 1
+            and c.lang = #{lang}
             <if test="categoryId != null and categoryId != 0">
                 AND cc.id = #{categoryId}
             </if>