Go语言web开发初试 —— template_http

Code

package main                                                                                                                                                                                                                                

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

var myTemplate *template.template                                                                                                                                                                                                           

type Person struct{                                                                                                       
    Name string                                                                                                           
    Age string                                                                                                            
    Title string                                                                                                      
}   
                                                                                                                                                                                                                                        
func userInfo(w http.ResponseWriter, r *http.Request){                                                                    
    fmt.Println("handle hello")                                                                                           
    p := Person{                                                                                                              
        Name: "Alex",                                                                                                         
        Age: "19",                                                                                                            
    Title: "天津科技大学",                                                                                                  
    }                                                                                                                     
    myTemplate.Execute(w, p)                                                                                          
}        

func initTemplate(filename string) (err error){                                                                           
    myTemplate, err := template.ParseFiles(filename)                                                                      
    if err != nil{
        fmt.Println("prase file err: ", err)
        return
    }                                                                                                                     
    return                                                                                                            }                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        func main(){                                                                                                                                                                                                 
    initTemplate("./index.html")                                                                                                                                                                                                                                                        
    http.HandleFunc("/user/info", userInfo)                                                                                                                                                                                                                                               
    err := http.ListenAndServer("0.0.0.0:5050", nil)                                                                      
    if err != nil{
        fmt.Println("http listen failed")
    }                                                                                                                 
}      

报错：./main.go:9:17: cannot refer to unexported name template.template

拼写错误，改为

var myTemplate *template.Template      

报错：./main.go:39:12: undefined: http.ListenAndServer

拼写错误，改为

err := http.ListenAndServe("0.0.0.0:5050", nil)      

报错：./main.go:28:5: myTemplate declared and not used

myTemplate, err = template.ParseFiles(filename)