feat: add run.ps1 script to start projects easily

add a powershell script that supports starting MES, WMS, WMSClient, Workstation and Dashboard projects with one command, includes build and run logic for backend services and npm dev for dashboard

bj_power_mes/internal/db/db.go

@@ -1,6 +1,7 @@
 package db
 
 import (
+	"context"
 	"database/sql"
 	"fmt"
 	"time"
@@ -54,4 +55,43 @@ func NewDB(c DatabaseConf) (*sql.DB, error) {
 		return nil, err
 	}
 	return sqlDB, nil
-}
+}
+
+// AutoMigrate 执行 ent 自动建表/补齐（只增，不删数据）。供命令行 migrate 使用。
+
+func AutoMigrate(c DatabaseConf) error {
+	client, sqlDB := MustNewDB(c)
+	defer sqlDB.Close()
+	return client.Schema.Create(context.Background())
+}
+
+// DropAllTables 清空 public schema 下所有业务表（破坏性，仅供命令行 reset-all 使用）。
+func DropAllTables(c DatabaseConf) error {
+	sqlDB, err := NewDB(c)
+	if err != nil {
+		return err
+	}
+	defer sqlDB.Close()
+
+	rows, err := sqlDB.Query(`SELECT tablename FROM pg_tables WHERE schemaname='public'`)
+	if err != nil {
+		return err
+	}
+	var names []string
+	for rows.Next() {
+		var t string
+		if err := rows.Scan(&t); err != nil {
+			rows.Close()
+			return err
+		}
+		names = append(names, t)
+	}
+	rows.Close()
+
+	for _, t := range names {
+		if _, err := sqlDB.Exec(`DROP TABLE IF EXISTS "` + t + `" CASCADE`); err != nil {
+			return err
+		}
+	}
+	return nil
+}