| //AJAX detects whether the user name has been registered
Function createxmlhttprequest () {//Create XMLHttpRequest Object
if window. ActiveXObject) {//ie
try {
return new ActiveXObject ("Microsoft.XMLHTTP");
} catch (e) {
return;
}
} else if (window. XMLHttpRequest) {//mozilla,firefox
try {
return new XMLHttpRequest ();
} catch (e) {
return;
}
}
} function CheckUser (username) {//Keynote
var xmlHttp = Createxmlhttprequest (); if (username = = "") {
GetId ("Html_username"). InnerHTML = "<b> you entered failed, please re-enter </b>";
return false;
}
else if (!isusername (username)) {
GetId ("Html_username"). InnerHTML = "<b> please use 4-20-digit English letters, numbers, minus or underline combinations, case-insensitive </b>";
return false;
} if (xmlHttp) {
Username = Username.tolowercase ();
var url = "/user/check_reg.php?act=check_username&username=" + escape (username); callback = Getreadystatehandler (Xmlhttp,username);
Xmlhttp.onreadystatechange = callback;
Xmlhttp.open ("Get", url, True);
Xmlhttp.send (NULL);
}
} function Getreadystatehandler (xmlHttp) {//server returns post-processing functions
return function () {
if (xmlhttp.readystate = = 4) {
if (Xmlhttp.status = = 200) {
if (Xmlhttp.responsetext = = "1") {
GetId ("Html_username"). InnerHTML = "<b>√ Congratulations, user name available </b>";
}
else if (Xmlhttp.responsetext = = "0") {
GetId ("Html_username"). InnerHTML = "<b> username has been registered, please re-enter </b>";
}
else {
GetId ("Html_username"). InnerHTML = "<b> you entered failed, please re-enter </b>";
}
}
}
}
} Detection password
function Checkpassword (str) {
var str_html = getId ("Html_password"); if (str.length <= 5 | | | str.length >= 21) {
str_html.innerhtml = "<b> Please use a combination of 6-20-digit letters, numbers, minus signs or underscores to distinguish case </b>";
return false;
}
else if (!ispassword (str)) {
str_html.innerhtml = "<b> Please use a combination of 6-20-digit letters, numbers, minus signs or underscores to distinguish case </b>";
return false;
}
else {
str_html.innerhtml = "<b>√</b>";
}
}
function Checknextpassword (str) {
var str_html = getId ("Html_nextpassword");
var password = getId ("U_password"). Value;
var Html_password = getId ("Html_password"); if (password.length <= 5 | | | password.length >= 21) {
html_password.innerhtml = "<b> Please use a combination of 6-20-digit letters, numbers, minus signs or underscores to distinguish case </b>";
return false;
}
else if (!ispassword (password)) {
html_password.innerhtml = "<b> Please use a combination of 6-20-digit letters, numbers, minus signs or underscores to distinguish case </b>";
return false;
}
else if (str.length <= 5| | str.length >= 21) {
str_html.innerhtml = "<b> Please re-enter the password entered above </b>";
return false;
}
else if (password!= str) {
str_html.innerhtml = "<b> Two input password is not the same, please enter the new </b>";
return false;
}
else{
str_html.innerhtml = "<b>√</b>";
}
} Detecting mailboxes
function Checkuseremail (str) {//main functions
var xmlHttp = Createxmlhttprequest ();
var str_html = getId ("Html_email"); if (str.length <= 0) {
str_html.innerhtml = "<b> please input email </b>";
return false;
}
else if (!isemail (str)) {
str_html.innerhtml = "<b> e-mail format is not correct </b>";
return false;
} if (xmlHttp) {
var email = str.tolowercase ();
var url = "/user/check_reg.php?act=check_email&email=" + escape (email); callback = Getreadystatehandleremail (xmlHttp, email);
Xmlhttp.onreadystatechange = callback;
Xmlhttp.open ("Get", url, True);
Xmlhttp.send (NULL);
}
} function Getreadystatehandleremail (xmlHttp) {//server returns post-processing functions
return function () {
if (xmlhttp.readystate = = 4) {
if (Xmlhttp.status = = 200) {
if (Xmlhttp.responsetext = = "1") {
GetId ("Html_email"). InnerHTML = "<b>√ Congratulations, Mailbox available </b>";
}
else if (Xmlhttp.responsetext = = "0") {
GetId ("Html_email"). InnerHTML = "<b> mailbox has been registered, a mailbox can only register a user </b>";
}
else {
GetId ("Html_email"). InnerHTML = "<b> Please enter e-mail </b>";
}
}
}
}
} Determine if the mailbox is correct
function Isemail (imail) {
var Emailpattern =/^\w+ (-\w+) | ( \.\w+)) *\@[a-za-z0-9]+ (\.| -) [a-za-z0-9]+) *\.[a-za-z0-9]+$/; if (emailpattern.test (imail) = = False) {
return false;
}
else {
return true;
}
} Determine if the username is correct, use a combination of 4-20 letters, numbers, underscores, bars (-)
function Isusername (str) {
var strpattern =/^[\w-]{4,20}$/; if (strpattern.test (str) = = False) {
return false;
}
else {
return true;
}
} Determine if the password is correct, use a combination of 6-20 letters, numbers, underscores, bars (-)
function Ispassword (str) {
var strpattern =/^[\w-]{6,20}$/; if (strpattern.test (str) = = False) {
return false;
}
else {
return true;
}
} Detection Verification Code
function Checkcode (str) {
var str_html = getId ("Html_code");
var str_len = StrLen (str);
if (Str_len <= 3 | | | Str_len >= 13) {
str_html.innerhtml = "<b> The number of characters you have entered is not </b>";
return false;
}
else {
str_html.innerhtml = "Enter the characters in the picture below";
}
} Detect real names
function Checktruename (str) {
var truename = getId (str);
var html_truename = getId ("html_" + str); if (StrLen (Truename.value) <= 2)
{
html_truename.innerhtml = "<b> Please enter your name </b>";
return false;
}
Else
{
html_truename.innerhtml = "<b>√</b>";
}
} Detect mobile phone
function Checkmobile (str) {
var mobile = getId (str);
var html_mobile = getId ("html_" + str); if (Mobile.value.length > 0) {
if (!/^[0-9]{11,30}$/.exec (Mobile.value)) {
html_mobile.innerhtml = "<b> jing input the correct mobile phone number, format for:18908476638</b>";
return false;
}
else {
Html_mobile.innerhtml= "<b>√</b>";
}
}
else {
html_mobile.innerhtml = "mobile phone and landline must fill in one, the format is: 18908476638";
}
} Detection phone number
function Checktel (str) {
var tel = getId (str);
var Html_tel = getId ("html_" + str); var mobile = getId (' mobile '); if (Tel.value.length > 0) {
if (!/^[+]{0,1}[0-9]{0,4}[-]{0,1}[0-9]{3,6}[-]{0,1}[0-9]{7,9}$/.exec (Tel.value)) {
html_tel.innerhtml = "<b> phone number format is not normal, please re-enter </b>";
return false;
}
else {
html_tel.innerhtml = "<b>√</b>";
}
}
else if (Mobile.value = = ' && Tel.value = = ')
{
html_tel.innerhtml = "<b> mobile phone and landline must fill in a, format for:0731-84168716</b>";
}
else {
html_tel.innerhtml = "mobile phone and landline must fill in one, the format is: 0731-84168716";
}
} Detect QQ
function Checkqq (str)
{
var QQ = getId (str);
var html_qq = getId ("html_" + str); if (Qq.value.length > 0)
{
if (!/^[0-9]{4,15}$/.exec (Qq.value))
{
html_qq.innerhtml = "<B>QQ number is wrong!" </b> ";
return false;
}
Else
{
html_qq.innerhtml = "<b>√</b>";
}
}
Else
{
html_qq.innerhtml = "Easy for customers to contact you directly online";
}
} |
