// ajax检测用户名是否已经注册了
function createXMLHttpRequest () {//创建XMLHttpRequest对象
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) {//主调函数
var xmlHttp = createXMLHttpRequest();
if (username == "") {
getId("html_username").innerHTML = "您输入失败,请重新输入";
return false ;
}
else if (!isUserName(username)) {
getId("html_username").innerHTML = "请用4-20位英文字母、数字、减号或下划线的组合,不区分大小写";
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) {//服务器返回后处理函数
return function () {
if (xmlHttp.readyState == 4) {
if (xmlHttp.status == 200) {
if (xmlHttp.responseText == "1") {
getId("html_username").innerHTML = "√恭喜您,用户名可用";
}
else if (xmlHttp.responseText == "0") {
getId("html_username").innerHTML = "用户名已被注册,请重新输入";
}
else {
getId("html_username").innerHTML = "您输入失败,请重新输入";
}
}
}
}
}
//检测密码
function checkPassword(str) {
var str_html = getId("html_password");
if (str.length <= 5 || str.length >= 21) {
str_html.innerHTML = "请使用6-20位英文字母、数字、减号或下划线的组合,区分大小写";
return false;
}
else if (!isPassword(str)) {
str_html.innerHTML = "请使用6-20位英文字母、数字、减号或下划线的组合,区分大小写";
return false;
}
else {
str_html.innerHTML = "√";
}
}
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 = "请使用6-20位英文字母、数字、减号或下划线的组合,区分大小写";
return false;
}
else if (!isPassword(password)) {
html_password.innerHTML = "请使用6-20位英文字母、数字、减号或下划线的组合,区分大小写";
return false;
}
else if (str.length <= 5|| str.length >= 21) {
str_html.innerHTML = "请再输入一遍上面输入的密码";
return false;
}
else if (password != str) {
str_html.innerHTML = "两次输入的密码不一样,请新输入";
return false;
}
else{
str_html.innerHTML = "√";
}
}
//检测邮箱
function checkUserEmail(str) {//主函数
var xmlHttp = createXMLHttpRequest();
var str_html = getId("html_email");
if (str.length <= 0) {
str_html.innerHTML = "请输入电子邮箱";
return false;
}
else if (!isEmail(str)) {
str_html.innerHTML = "电子邮箱格式不正正确";
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) {//服务器返回后处理函数
return function () {
if (xmlHttp.readyState == 4) {
if (xmlHttp.status == 200) {
if (xmlHttp.responseText == "1") {
getId("html_email").innerHTML = "√恭喜您,邮箱可用";
}
else if (xmlHttp.responseText == "0") {
getId("html_email").innerHTML = "邮箱已经被注册,一个邮箱只能注册一个用户";
}
else {
getId("html_email").innerHTML = "请输入电子邮箱";
}
}
}
}
}
//判断是否是正确的邮箱
function isEmail(imail) {
var emailPattern = /^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/;
if (emailPattern.test(imail) == false) {
return false;
}
else {
return true;
}
}
//判断是否是正确的用户名,使用4-20个字母,数字,下划线,杠(-)的组合
function isUserName(str) {
var strPattern = /^[\w-]{4,20}$/;
if (strPattern.test(str) == false) {
return false;
}
else {
return true;
}
}
//判断是否是正确的密码,使用6-20个字母,数字,下划线,杠(-)的组合
function isPassword(str) {
var strPattern = /^[\w-]{6,20}$/;
if (strPattern.test(str) == false) {
return false;
}
else {
return true;
}
}
// 检测验证码
function checkCode(str) {
var str_html = getId("html_code");
var str_len = strLen(str);
if (str_len <= 3 || str_len >= 13) {
str_html.innerHTML = "您输入的字符数不对";
return false;
}
else {
str_html.innerHTML = "输入下面图片中的字符";
}
}
//检测真实姓名
function checkTruename(str) {
var truename = getId(str);
var html_truename = getId("html_" + str);
if (strLen(truename.value) <= 2)
{
html_truename.innerHTML = "请输入您的称呼";
return false;
}
else
{
html_truename.innerHTML = "√";
}
}
//检测手机
function checkMobile(str) {
var mobile = getId(str);
var html_mobile = getId("html_" + str);
if (mobile.value.length > 0) {
if (!/^[0-9]{11,30}$/.exec(mobile.value)){
html_mobile.innerHTML = "靖输入正确的手机号码,格式为:18908476638";
return false;
}
else {
html_mobile.innerHTML="√";
}
}
else {
html_mobile.innerHTML = "手机和座机必填一项,格式为:18908476638";
}
}
//检测电话号码
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}$/.exec(tel.value)){
html_tel.innerHTML = "电话号码格式不正常,请重新输入";
return false;
}
else {
html_tel.innerHTML = "√";
}
}
else if (mobile.value == '' && tel.value == '')
{
html_tel.innerHTML = "手机和座机必填一项,格式为:0731-84168716";
}
else {
html_tel.innerHTML = "手机和座机必填一项,格式为:0731-84168716";
}
}
// 检测QQ
function checkQQ(str)
{
var qq = getId(str);
var html_qq = getId("html_" + str);
if (qq.value.length > 0)
{
if (!/^[0-9]{4,15}$/.exec(qq.value))
{
html_qq.innerHTML = "QQ号码不对哦!";
return false;
}
else
{
html_qq.innerHTML = "√";
}
}
else
{
html_qq.innerHTML = "便于客户直接在网上联系您";
}
}
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