wuzhen update2

backend/sql/database_fix_jcbt_poverty_application_complete.sql

@@ -0,0 +1,98 @@
+-- ================================================================
+-- 贫困生认定申请表完整修复脚本
+-- 文件: database_fix_jcbt_poverty_application_complete.sql
+-- 功能: 修复 teacher_id 字段默认值问题，添加 family_economy_summary 字段
+-- ================================================================
+
+USE hzdyjs_xg;
+
+-- 1. 检查并修复 teacher_id 字段
+SELECT '开始检查 teacher_id 字段...' AS message;
+
+-- 检查字段是否存在以及是否允许NULL
+SELECT
+    COLUMN_NAME,
+    IS_NULLABLE,
+    COLUMN_DEFAULT,
+    DATA_TYPE
+FROM INFORMATION_SCHEMA.COLUMNS
+WHERE TABLE_SCHEMA = 'hzdyjs_xg'
+           AND TABLE_NAME = 'jcbt_poverty_application'
+  AND COLUMN_NAME = 'teacher_id';
+
+-- 修改 teacher_id 字段为允许NULL（如果字段存在且不允许NULL）
+SET @sql = '';
+SELECT COUNT(*) INTO @count
+FROM INFORMATION_SCHEMA.COLUMNS
+WHERE TABLE_SCHEMA = 'hzdyjs_xg'
+           AND TABLE_NAME = 'jcbt_poverty_application'
+  AND COLUMN_NAME = 'teacher_id'
+  AND IS_NULLABLE = 'NO';
+
+SELECT IF(@count > 0,
+    CONCAT('ALTER TABLE jcbt_poverty_application MODIFY COLUMN teacher_id bigint(20) NULL COMMENT ''班主任教师ID'';'),
+    'SELECT ''teacher_id 字段已允许NULL或不存在'' AS result;'
+) INTO @sql;
+
+PREPARE stmt FROM @sql;
+EXECUTE stmt;
+DEALLOCATE PREPARE stmt;
+
+SELECT '✅ teacher_id 字段修复完成' AS message;
+
+-- 2. 检查并添加 family_economy_summary 字段
+SELECT '开始检查 family_economy_summary 字段...' AS message;
+
+SET @sql = '';
+SELECT COUNT(*) INTO @count
+FROM INFORMATION_SCHEMA.COLUMNS
+WHERE TABLE_SCHEMA = 'hzdyjs_xg'
+           AND TABLE_NAME = 'jcbt_poverty_application'
+  AND COLUMN_NAME = 'family_economy_summary';
+
+SELECT IF(@count = 0,
+    'ALTER TABLE jcbt_poverty_application ADD COLUMN family_economy_summary text COMMENT ''家庭经济情况摘要'' AFTER assistance_type_names;',
+    'SELECT ''family_economy_summary 字段已存在'' AS result;'
+) INTO @sql;
+
+PREPARE stmt FROM @sql;
+EXECUTE stmt;
+DEALLOCATE PREPARE stmt;
+
+SELECT '✅ family_economy_summary 字段检查完成' AS message;
+
+-- 3. 验证修复结果
+SELECT '=== 修复结果验证 ===' AS message;
+
+-- 显示相关字段信息
+SELECT
+    COLUMN_NAME AS '字段名',
+    DATA_TYPE AS '数据类型',
+    IS_NULLABLE AS '允许NULL',
+    COLUMN_DEFAULT AS '默认值',
+    COLUMN_COMMENT AS '注释'
+FROM INFORMATION_SCHEMA.COLUMNS
+WHERE TABLE_SCHEMA = 'hzdyjs_xg'
+  AND TABLE_NAME = 'jcbt_poverty_application'
+  AND COLUMN_NAME IN ('teacher_id', 'family_economy_summary')
+ORDER BY ORDINAL_POSITION;
+
+-- 4. 显示完整表结构（关键字段）
+SELECT '=== 表结构确认 ===' AS message;
+
+SELECT
+    COLUMN_NAME AS '字段名',
+    DATA_TYPE AS '数据类型',
+    IS_NULLABLE AS '允许NULL',
+    COLUMN_COMMENT AS '注释'
+FROM INFORMATION_SCHEMA.COLUMNS
+WHERE TABLE_SCHEMA = 'hzdyjs_xg'
+  AND TABLE_NAME = 'jcbt_poverty_application'
+  AND COLUMN_NAME IN (
+    'id', 'student_id', 'class_id', 'teacher_id',
+    'family_economy_summary', 'status', 'create_by', 'create_time'
+  )
+ORDER BY ORDINAL_POSITION;
+
+SELECT '🎉 所有修复操作完成！' AS message;
+SELECT '📝 请重启后端服务以生效！' AS note;