update readme

zhangzengfei

2023-08-04 a624a31b0f1e7269dc241f3ab766588532f339c8

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package models
 
import (
    "github.com/jinzhu/gorm"
)
 
var db *gorm.DB
 
func Init() {
    // //打开数据库连接
    db, _ = gorm.Open("sqlite3", "plc-data.db")
    db.AutoMigrate(&HoldingRegisters{})
}