57 lines
1.3 KiB
Go
57 lines
1.3 KiB
Go
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package main
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import (
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"database/sql"
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"fmt"
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"log"
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_ "github.com/go-sql-driver/mysql"
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"golang.org/x/crypto/bcrypt"
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)
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func main() {
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// MySQL连接信息
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username := "root"
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password := "root"
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hostname := "127.0.0.1"
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port := "3306"
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dbname := "nl_blog"
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// 构建DSN
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dsn := fmt.Sprintf("%s:%s@tcp(%s:%s)/%s", username, password, hostname, port, dbname)
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// 连接到数据库
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db, err := sql.Open("mysql", dsn)
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if err != nil {
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log.Fatalf("Failed to open database connection: %v", err)
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}
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defer db.Close()
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if err := db.Ping(); err != nil {
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log.Fatalf("Failed to ping database: %v", err)
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}
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targetUser := "lq"
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newPassword := "qiqi991012"
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// 生成哈希密码
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hashedPassword, err := bcrypt.GenerateFromPassword([]byte(newPassword), bcrypt.DefaultCost)
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if err != nil {
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log.Fatalf("Failed to hash password: %v", err)
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}
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// 更新密码
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query := "UPDATE users SET password_hash = ? WHERE username = ?"
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res, err := db.Exec(query, string(hashedPassword), targetUser)
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if err != nil {
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log.Fatalf("Failed to update password: %v", err)
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}
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rowsAffected, _ := res.RowsAffected()
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if rowsAffected == 0 {
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fmt.Printf("User '%s' not found or password not changed.\n", targetUser)
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} else {
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fmt.Printf("Password for user '%s' updated successfully.\n", targetUser)
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}
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}
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