肖海南学生管理初始密码接口编写

src/main/java/com/teaching/backend/controller/umsAdmin/UmsStudentManageController.java

@@ -83,4 +83,16 @@ public class UmsStudentManageController {
     public CommonResult<String> batchDelete(@RequestParam List<Long> ids){
         return umsStudentManageService.batchRemove(ids);
     }
+
+    /**
+     * 根据ids初始密码
+     * @param ids
+     * @return
+     */
+    @ApiOperation("学生信息批量初始密码")
+    @PutMapping("/initialPassword")
+    public CommonResult<String> initialPassword(@RequestParam List<Long> ids){
+        return umsStudentManageService.initialPassword(ids);
+    }
+
 }

src/main/java/com/teaching/backend/service/impl/umsAdmin/UmsStudentManageServiceImpl.java

@@ -12,6 +12,7 @@ import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.BeanUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
+import org.springframework.security.crypto.password.PasswordEncoder;
 import org.springframework.stereotype.Component;
 import org.springframework.stereotype.Service;
 
@@ -38,6 +39,8 @@ public class UmsStudentManageServiceImpl extends ServiceImpl<UmsStudentManageMap
     private UmsUserMapper umsUserMapper;
     @Autowired
     private CoursesServiceImpl coursesService;
+    @Autowired
+    private PasswordEncoder passwordEncoder;
 
     @Value("${spring.datasource.url}")
     private String myUrl;
@@ -178,4 +181,46 @@ public class UmsStudentManageServiceImpl extends ServiceImpl<UmsStudentManageMap
             }
         }
     }
+
+    @Override
+    public CommonResult<String> initialPassword(List<Long> ids) {
+        String encodePassword = passwordEncoder.encode("123456");
+
+        String url = myUrl; // 数据库URL
+        String user = myUsername; // 数据库用户名
+        String password = myPassword; // 数据库密码
+
+        Connection conn = null;
+
+        String sql = "UPDATE ums_user SET password = ? WHERE id = ?";
+        try{
+            conn = DriverManager.getConnection(url, user, password);
+
+            PreparedStatement pstmt = conn.prepareStatement(sql);
+
+            conn.setAutoCommit(false); // 关闭自动提交，以便进行批处理
+
+            for (Long userId : ids) {
+                pstmt.setString(1, encodePassword);
+                pstmt.setLong(2, userId);
+                pstmt.addBatch(); // 将SQL语句添加到批处理中
+            }
+
+            pstmt.executeBatch(); // 执行批处理中的所有更新
+            conn.commit(); // 提交事务
+
+            return CommonResult.success("修改成功！");
+        } catch (SQLException e) {
+            e.printStackTrace();
+            try {
+                if (conn != null) {
+                    conn.rollback(); // 发生异常时回滚事务
+                }
+            } catch (SQLException ex) {
+                ex.printStackTrace();
+            }
+            return CommonResult.failed("修改失败！");
+        }
+
+    }
 }

src/main/java/com/teaching/backend/service/umsAdmin/UmsStudentManageService.java

@@ -23,4 +23,6 @@ public interface UmsStudentManageService extends IService<UmsStudentManage> {
     void startOrStop(String status, Long id);
 
     CommonResult<String> batchRemove(List<Long> ids);
+
+    CommonResult<String> initialPassword(List<Long> ids);
 }