增加pgx驱动，完善前端的代码，暂定supabase后端数据库

database/pgsql.go

@@ -0,0 +1,26 @@
+package db
+
+import (
+	"context"
+	"fmt"
+	"github.com/jackc/pgx/v5/pgxpool"
+	"os"
+	"zsxyww.com/scheduler/config"
+)
+
+// use pgx to connect
+func PGSQL() {
+	pgx, err := pgxpool.New(context.Background(), config.Default.DB.Path)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "Unable to create connection pool: %v\n", err)
+		os.Exit(1)
+	}
+	version := ""
+	if err := pgx.QueryRow(context.Background(), "SELECT version()").Scan(&version); err != nil {
+		fmt.Printf("Query failed: %v\n", err)
+		os.Exit(1)
+	}
+
+	fmt.Println("Connected to:", version)
+	PGX = pgx
+}