fix(db):完成数据库连接配置。

global/db.go

@@ -3,13 +3,11 @@ package global
 import (
 	"context"
 	"fmt"
-	"time"
 
 	"electricity_bill_calc/config"
 	"electricity_bill_calc/logger"
 
 	"github.com/jackc/pgx/v5"
-	"github.com/jackc/pgx/v5/pgconn"
 	"github.com/jackc/pgx/v5/pgxpool"
 	"github.com/samber/lo"
 	"go.uber.org/zap"
@@ -20,29 +18,27 @@ var (
 )
 
 func SetupDatabaseConnection() error {
-	connConfig := &pgx.ConnConfig{
-		Config: pgconn.Config{
-			Host:           config.DatabaseSettings.Host,
-			Port:           uint16(config.DatabaseSettings.Port),
-			User:           config.DatabaseSettings.User,
-			Password:       config.DatabaseSettings.Pass,
-			Database:       config.DatabaseSettings.DB,
-			TLSConfig:      nil,
-			ConnectTimeout: 0 * time.Second,
-			RuntimeParams:  map[string]string{"application_name": "elec_service_go"},
-		},
-		Tracer: QueryLogger{
-			logger: logger.Named("PG"),
-		},
-	}
-	poolConfig := &pgxpool.Config{
-		ConnConfig:        connConfig,
-		MaxConnLifetime:   60 * time.Minute,
-		MaxConnIdleTime:   10 * time.Minute,
-		HealthCheckPeriod: 10 * time.Second,
-		MaxConns:          int32(config.DatabaseSettings.MaxOpenConns),
-		MinConns:          int32(config.DatabaseSettings.MaxIdleConns),
+	connString := fmt.Sprintf(
+		"postgres://%s:%s@%s:%d/%s?sslmode=disable&connect_timeout=%d&application_name=%s&pool_max_conns=%d&pool_min_conns=%d&pool_max_conn_lifetime=%s&pool_max_conn_idle_time=%s&pool_health_check_period=%s",
+		config.DatabaseSettings.User,
+		config.DatabaseSettings.Pass,
+		config.DatabaseSettings.Host,
+		config.DatabaseSettings.Port,
+		config.DatabaseSettings.DB,
+		0,
+		"elec_service_go",
+		config.DatabaseSettings.MaxOpenConns,
+		config.DatabaseSettings.MaxIdleConns,
+		"60m",
+		"10m",
+		"10s",
+	)
+	poolConfig, err := pgxpool.ParseConfig(connString)
+	if err != nil {
+		logger.Named("DB INIT").Error("数据库连接初始化失败。", zap.Error(err))
+		return err
 	}
+	poolConfig.ConnConfig.Tracer = QueryLogger{logger: logger.Named("PG")}
 	DB, _ = pgxpool.NewWithConfig(context.Background(), poolConfig)
 
 	return nil