i wanna do something like regist with ajax. i just use ajax request url "/check",and it returns "{success:1}",but when i use res = request.responseText, res is nothing.however,i console.log(request.responseText),it turns {success:1},how can i get the value, what's wrong whith my code?
in my regist.gtpl
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>{{.Title}}</title>
<style type="text/css">
input {
display: inline-block;
background: rgba(45,45,45,.03);
}
form {
text-align: center;
width: 200px;
margin: auto;
}
.container {
margin-top: 120px;
}
</style>
</head>
<body>
<div class="container">
<form method="post" action="/regist">
<input type="text" name="username" placeholder="账号"/>
<input type="password" name="password" placeholder="密码" />
<button>sign me in</button>
</form>
</div>
<script type="text/javascript" src="../assets/ajax.js"></script>
<script type="text/javascript">
function cb(request){
alert("Server is done!")
console.log(request.responseText)
var res = request.responseText
//var resJSON = JSON.parse(res)
//console.log(res)
alert(res)
}
Get("http://127.0.0.1:3000/check",cb)
</script>
</body>
</html>
in my main.go
func sayHelloName(w http.ResponseWriter, r *http.Request) {
r.ParseForm()
fmt.Println(r.Form)
for k, v := range r.Form {
fmt.Println("key:", k)
fmt.Println("value", v)
}
fmt.Fprintf(w, "{userId:1}")
}
func Register(w http.ResponseWriter, r *http.Request) {
if r.Method == "GET" {
fmt.Println("GET",r.URL.Path)
t, err := template.ParseFiles("templates/regist.gtpl")
if err != nil {
panic(err)
}
//长度，容量
//studentsandstates := make(studentsAndStateSlice,20)
t.Execute(w, Render{Title:"注册"})
}
}
func init() {
staticHandler = http.StripPrefix("/assets/", http.FileServer(http.Dir("statics")))
}
func main() {
http.HandleFunc("/check", sayHelloName)
http.HandleFunc("/register", Register)
//已经有静态文件了
http.HandleFunc("/assets/", StaticServer)
err := http.ListenAndServe(":3000", nil)
if err != nil {
log.Fatal("ListenAndServe: ", err)
}
}
in my ajax.js
var Get
(function(){var request = false
function createRequest() {
try {
request = new XMLHttpRequest();
} catch (trymicrosoft) {
//两种微软的XMLHttpRequest
try {
request = new ActiveXObject("Msxml2.XMLHTTP");
} catch (othermicrosoft) {
try {
request = new ActiveXObject("Microsoft.XMLHTTP");
} catch (failed) {
request = false;
}
}
}
if (!request)
alert("Error initializing XMLHttpRequest!");
}
createRequest();
Get = function (url,cb){
request.open("GET",url);
request.onreadystatechange = cb(request);
request.send();
}
})();
