-- 敌情数据库表结构和初始化脚本 -- Enemy Database Schema and Initialization Script -- -- 用途：为BattlefieldExplorationSystem创建敌情相关的数据库表 -- Purpose: Create enemy-related database tables for BattlefieldExplorationSystem -- -- 作者：Claude AI -- 日期：2025-07-08 -- 版本：1.0 -- 使用Client数据库 USE Client; -- 创建敌情记录表 -- Create enemy records table CREATE TABLE IF NOT EXISTS enemy_records ( -- 基本信息字段 id VARCHAR(50) PRIMARY KEY COMMENT '敌人唯一标识符', longitude DOUBLE NOT NULL COMMENT '经度坐标', latitude DOUBLE NOT NULL COMMENT '纬度坐标', threat_level VARCHAR(20) NOT NULL COMMENT '威胁等级：高/中/低', discovery_time DATETIME NOT NULL COMMENT '发现时间', enemy_type VARCHAR(50) COMMENT '敌人类型：装甲车/步兵/坦克/侦察兵等', status VARCHAR(20) DEFAULT '活跃' COMMENT '状态：活跃/失联/已消除', description TEXT COMMENT '描述信息', update_time DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '最后更新时间', -- 创建索引以提高查询性能 INDEX idx_threat_level (threat_level), INDEX idx_status (status), INDEX idx_discovery_time (discovery_time), INDEX idx_location (longitude, latitude), INDEX idx_enemy_type (enemy_type) ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='敌情记录表'; -- 创建敌情统计视图 -- Create enemy statistics view CREATE OR REPLACE VIEW enemy_statistics_view AS SELECT threat_level, COUNT(*) as count, COUNT(CASE WHEN status = '活跃' THEN 1 END) as active_count, COUNT(CASE WHEN status = '失联' THEN 1 END) as missing_count, COUNT(CASE WHEN status = '已消除' THEN 1 END) as eliminated_count, MIN(discovery_time) as earliest_discovery, MAX(discovery_time) as latest_discovery FROM enemy_records GROUP BY threat_level; -- 创建威胁等级约束 -- Create threat level constraint ALTER TABLE enemy_records ADD CONSTRAINT chk_threat_level CHECK (threat_level IN ('高', '中', '低')); -- 创建状态约束 -- Create status constraint ALTER TABLE enemy_records ADD CONSTRAINT chk_status CHECK (status IN ('活跃', '失联', '已消除')); -- 插入测试数据 -- Insert test data INSERT INTO enemy_records ( id, longitude, latitude, threat_level, discovery_time, enemy_type, status, description ) VALUES ('ENEMY001', 116.4074, 39.9042, '高', '2025-07-08 08:30:00', '装甲车', '活跃', '在北京市朝阳区发现的重型装甲车，配备主炮'), ('ENEMY002', 116.3912, 39.9139, '中', '2025-07-08 09:15:00', '步兵', '活跃', '武装步兵小队，约5-8人，携带轻武器'), ('ENEMY003', 116.4231, 39.8876, '低', '2025-07-08 07:45:00', '侦察兵', '失联', '单独行动的侦察兵，最后位置在CBD区域'), ('ENEMY004', 116.3845, 39.9254, '高', '2025-07-08 10:20:00', '坦克', '活跃', '主战坦克，型号不明，具有强大火力'), ('ENEMY005', 116.4156, 39.9087, '中', '2025-07-08 11:00:00', '装甲运兵车', '活跃', '运输型装甲车，可能载有多名士兵'), ('ENEMY006', 116.3978, 39.8945, '低', '2025-07-08 06:30:00', '侦察无人机', '已消除', '小型侦察无人机，已被击落'), ('ENEMY007', 116.4298, 39.9178, '高', '2025-07-08 12:15:00', '自行火炮', '活跃', '远程火炮系统，射程覆盖大片区域'), ('ENEMY008', 116.3756, 39.9034, '中', '2025-07-08 13:45:00', '武装皮卡', '失联', '改装的武装皮卡车，机动性强') ON DUPLICATE KEY UPDATE longitude = VALUES(longitude), latitude = VALUES(latitude), threat_level = VALUES(threat_level), discovery_time = VALUES(discovery_time), enemy_type = VALUES(enemy_type), status = VALUES(status), description = VALUES(description), update_time = CURRENT_TIMESTAMP; -- 创建敌情操作日志表 -- Create enemy operations log table CREATE TABLE IF NOT EXISTS enemy_operation_logs ( id INT AUTO_INCREMENT PRIMARY KEY, enemy_id VARCHAR(50) NOT NULL COMMENT '敌人ID', operation_type VARCHAR(50) NOT NULL COMMENT '操作类型：发现/更新/消除', operator VARCHAR(50) NOT NULL COMMENT '操作员', operation_time DATETIME DEFAULT CURRENT_TIMESTAMP COMMENT '操作时间', old_status VARCHAR(20) COMMENT '操作前状态', new_status VARCHAR(20) COMMENT '操作后状态', remarks TEXT COMMENT '备注信息', INDEX idx_enemy_id (enemy_id), INDEX idx_operation_time (operation_time), INDEX idx_operation_type (operation_type), FOREIGN KEY (enemy_id) REFERENCES enemy_records(id) ON DELETE CASCADE ON UPDATE CASCADE ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='敌情操作日志表'; -- 创建触发器：自动记录状态变更 -- Create trigger: automatically log status changes DELIMITER // CREATE TRIGGER enemy_status_change_log AFTER UPDATE ON enemy_records FOR EACH ROW BEGIN IF OLD.status != NEW.status THEN INSERT INTO enemy_operation_logs ( enemy_id, operation_type, operator, old_status, new_status, remarks ) VALUES ( NEW.id, '状态变更', 'SYSTEM', OLD.status, NEW.status, CONCAT('状态从 "', OLD.status, '" 变更为 "', NEW.status, '"') ); END IF; END// DELIMITER ; -- 创建存储过程：获取指定区域内的敌情 -- Create stored procedure: get enemies in specified area DELIMITER // CREATE PROCEDURE GetEnemiesInArea( IN min_lon DOUBLE, IN max_lon DOUBLE, IN min_lat DOUBLE, IN max_lat DOUBLE, IN threat_filter VARCHAR(20) ) BEGIN SELECT * FROM enemy_records WHERE longitude BETWEEN min_lon AND max_lon AND latitude BETWEEN min_lat AND max_lat AND (threat_filter IS NULL OR threat_level = threat_filter) AND status = '活跃' ORDER BY threat_level DESC, discovery_time DESC; END// DELIMITER ; -- 创建存储过程：获取威胁统计信息 -- Create stored procedure: get threat statistics DELIMITER // CREATE PROCEDURE GetThreatStatistics() BEGIN SELECT '总计' as category, COUNT(*) as total_count, COUNT(CASE WHEN status = '活跃' THEN 1 END) as active_count, COUNT(CASE WHEN threat_level = '高' THEN 1 END) as high_threat_count, COUNT(CASE WHEN threat_level = '中' THEN 1 END) as medium_threat_count, COUNT(CASE WHEN threat_level = '低' THEN 1 END) as low_threat_count FROM enemy_records UNION ALL SELECT threat_level as category, COUNT(*) as total_count, COUNT(CASE WHEN status = '活跃' THEN 1 END) as active_count, 0 as high_threat_count, 0 as medium_threat_count, 0 as low_threat_count FROM enemy_records GROUP BY threat_level ORDER BY CASE category WHEN '总计' THEN 0 WHEN '高' THEN 1 WHEN '中' THEN 2 WHEN '低' THEN 3 END; END// DELIMITER ; -- 验证表结构 -- Verify table structure SELECT TABLE_NAME, TABLE_COMMENT, TABLE_ROWS FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA = 'Client' AND TABLE_NAME LIKE '%enemy%'; -- 显示测试数据统计 -- Show test data statistics SELECT '敌情记录总数' as metric, COUNT(*) as value FROM enemy_records UNION ALL SELECT CONCAT(threat_level, '威胁') as metric, COUNT(*) as value FROM enemy_records GROUP BY threat_level UNION ALL SELECT CONCAT(status, '状态') as metric, COUNT(*) as value FROM enemy_records GROUP BY status; -- 输出成功信息 SELECT 'Enemy database schema created successfully!' as message, NOW() as created_time;