golang框架的安全性考虑：如何避免常见的安全漏洞？

package main

import (
    "html/template"
    "net/http"

    "github.com/go-playground/validator/v10"
)

// 定义验证器
var validate *validator.Validate

// 定义模板
var tmpl = template.Must(template.ParseFiles("form.html"))

type FormData struct {
    Name string `validate:"required"`
    Email string `validate:"required,email"`
}

// 处理表单提交
func handleForm(w http.ResponseWriter, r *http.Request) {
    if r.Method == "POST" {
        formData := FormData{}
        if err := r.ParseForm(); err != nil {
            http.Error(w, err.Error(), http.StatusBadRequest)
            return
        }
        if err := validate.Struct(formData); err != nil {
            http.Error(w, err.Error(), http.StatusBadRequest)
            return
        }
        
        // 预编译 SQL 语句
        stmt, err := db.Prepare("INSERT INTO users (name, email) VALUES (?, ?)")
        if err != nil {
            http.Error(w, err.Error(), http.StatusInternalServerError)
            return
        }
        defer stmt.Close()

        // 执行预编译语句
        _, err = stmt.Exec(formData.Name, formData.Email)
        if err != nil {
            http.Error(w, err.Error(), http.StatusInternalServerError)
            return
        }
                
        http.Redirect(w, r, "/", http.StatusSeeOther)
        return
    }

    tmpl.Execute(w, nil)
}

func main() {
    validate = validator.New()
    http.HandleFunc("/", handleForm)
    http.ListenAndServe(":8080", nil)
}