36 lines
1.0 KiB
Batchfile
36 lines
1.0 KiB
Batchfile
@echo off
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chcp 65001 >nul
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echo ========================================
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echo 课件时长检查工具
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echo ========================================
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echo.
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echo 这个工具帮助你检查课件时长配置
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echo.
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echo 【问题说明】
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echo 如果课件duration=0，会导致：
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echo 1. 学习进度计算不准确（显示14.29%%等奇怪数字）
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echo 2. 完成判断依赖推断时长，不够准确
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echo.
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echo 【解决方案】
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echo 1. 使用MySQL客户端连接数据库
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echo 2. 执行 "修复课件时长.sql" 中的SQL语句
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echo 3. 或者在后台管理系统中编辑课件，设置正确时长
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echo.
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echo ========================================
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echo.
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echo 快速检查SQL（复制到MySQL中执行）：
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echo.
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echo SELECT
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echo id,
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echo courseware_name AS 课件名称,
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echo duration AS 时长秒,
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echo ROUND(duration / 60, 2) AS 时长分钟,
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echo file_path AS 文件路径
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echo FROM study_courseware
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echo WHERE course_id = 1 AND type = 'video'
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echo ORDER BY courseware_order;
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echo.
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echo ========================================
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echo.
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pause
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