73 lines
1.7 KiB
Go
73 lines
1.7 KiB
Go
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package models
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import (
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"fmt"
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"go-admin/common/global"
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"io/ioutil"
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"log"
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"strings"
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"gorm.io/gorm"
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)
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func InitDb(db *gorm.DB) (err error) {
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filePath := "config/db.sql"
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if global.Driver == "postgres" {
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filePath := "config/db.sql"
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if err = ExecSql(db, filePath); err != nil {
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return err
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}
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filePath = "config/pg.sql"
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err = ExecSql(db, filePath)
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} else if global.Driver == "mysql" {
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filePath = "config/db-begin-mysql.sql"
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if err = ExecSql(db, filePath); err != nil {
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return err
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}
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filePath = "config/db.sql"
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if err = ExecSql(db, filePath); err != nil {
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return err
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}
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filePath = "config/db-end-mysql.sql"
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err = ExecSql(db, filePath)
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} else {
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err = ExecSql(db, filePath)
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}
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return err
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}
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func ExecSql(db *gorm.DB, filePath string) error {
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sql, err := Ioutil(filePath)
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if err != nil {
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fmt.Println("数据库基础数据初始化脚本读取失败！原因:", err.Error())
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return err
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}
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sqlList := strings.Split(sql, ";")
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for i := 0; i < len(sqlList)-1; i++ {
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if strings.Contains(sqlList[i], "--") {
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fmt.Println(sqlList[i])
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continue
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}
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sql := strings.Replace(sqlList[i]+";", "\n", "", -1)
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sql = strings.TrimSpace(sql)
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if err = db.Exec(sql).Error; err != nil {
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log.Printf("error sql: %s", sql)
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if !strings.Contains(err.Error(), "Query was empty") {
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return err
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}
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}
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}
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return nil
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}
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func Ioutil(filePath string) (string, error) {
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if contents, err := ioutil.ReadFile(filePath); err == nil {
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//因为contents是[]byte类型，直接转换成string类型后会多一行空格,需要使用strings.Replace替换换行符
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result := strings.Replace(string(contents), "\n", "", 1)
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fmt.Println("Use ioutil.ReadFile to read a file:", result)
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return result, nil
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} else {
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return "", err
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}
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}
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