php 中如何记住用户名和密码呢?
前台页面:
前台html代码如下:
Html代码
- <div class="yhxx">
- <div>
- <label>
- <span class="wz">用户名:</span>
- <span class="wb">
- <input type="text" name="user" value="" class="text">
- </span>
- </label>
- </div>
- <div><label><span class="wz">密码:</span>
- <span class="wb"> <input type="password" name="password" class="text" onfocus="passwordFocus();">
- </span></label>
- </div>
- <div id="remember_pass_div" style="height: 20px">
- <!-- 记住密码 -->
- <label> <input class="checkbox2" value="remember_pass" name="remember_pass" style="margin-right: 5px;" type="checkbox" label="记住密码" checked="checked">
- <span class="checkbox2 cannot_select" style="margin-right: 40px;">记住密码</span>
- </label>
- <!-- 自动登录 -->
- <label> <input class="checkbox2" value="auto_login" name="auto_login" style="margin-right: 5px;" type="checkbox" label="自动登录" onclick="dealAutoSubmit(this);">
- <span class="checkbox2 cannot_select">自动登录</span>
- </label>
- </div>
- <div style="display:none">
- <table width="100%" border="0" cellspacing="0" cellpadding="0">
- <tbody><tr>
- <td style="width:60px;"><span class="wz"> 验证码:</span></td>
- <td style=" text-align:left!important; text-align:center; width:130px;"><label><span class="wb"><input type="text" name="yzm" class="text3"> </span></label>
- </td>
- <td valign="middle">
- <img onclick="get_randfunc(this);" style="padding-top:3px; cursor:pointer;" src="../includes/rand_func.php">
- </td>
- </tr>
- </tbody></table>
- </div>
- </div>
提交之后,在后台进行如下处理
接收前台提交的参数:
Php代码
- $user=trim($_POST["user"]);
- $old_password=trim($_POST["password"]);
如果记住用户名,则保存用户到cookie中:
Php代码
- $cookie_timeout=time()+3600*24*365;
- if(!emptyempty($_POST["remember_pass"]))
- {
- setcookie("username", $user,$cookie_timeout );
- setcookie("password", $old_password, $cookie_timeout);
- setcookie("remember_pass", true, $cookie_timeout);
- // echo "记住我";
- }else{
- // echo "不记住";
- setcookie("username", null, $cookie_timeout);
- setcookie("password", null, $cookie_timeout);
- setcookie("remember_pass", null, $cookie_timeout);
- }
- if(!emptyempty($_POST["auto_login"]))
- {
- setcookie("auto_login", true, $cookie_timeout);
- }else{
- setcookie("auto_login", null, $cookie_timeout);
- }
下次登录时,先从cookie获取用户和密码:
Js代码
- //获取cookie
- var username="<?php echo $_COOKIE['username'] ?>";
- var password="<?php echo $_COOKIE['password'] ?>";
- var remember_pass="<?php echo $_COOKIE['remember_pass'] ?>";
- var auto_login="<?php echo $_COOKIE['auto_login'] ?>";
- if(com.whuang.hsj.isHasValue(remember_pass) && remember_pass==1){//是否记住密码
- if(com.whuang.hsj.isHasValue(username)){//cookie中的用户名不为空
- var usernameObj=com.whuang.hsj.$$one('user');
- usernameObj.value=username;
- }
- if(com.whuang.hsj.isHasValue(password)){//cookie中的密码不为空
- var passwordObj=com.whuang.hsj.$$one('password');
- passwordObj.value=password;
- }
- $('div input[name=remember_pass]').attr("checked",'true');
- }else{
- $('div input[name=remember_pass]').attr("checked",null);
- }
- if(com.whuang.hsj.isHasValue(auto_login) && auto_login==1){//是否自动登录
- $('div input[name=remember_pass]').attr("checked",'true');
- $('div input[name=auto_login]').attr("checked",'true');
- / document.forms[0].submit();
- timingLogin=setTimeout(function(){document.forms[0].submit();},2000);//1秒钟之后自动登录
- }
依赖的js方法:
Js代码
- var dealAutoSubmit=function(this22){
- var isChecked=com.whuang.hsj.isCheckcheckbox(this22);
- // console.log(isChecked);
- if(isChecked){
- if(!com.whuang.hsj.isCheckcheckbox("remember_pass")){
- com.whuang.hsj.setCheckedCheckboxOne("remember_pass");
- }
- }
- }
- /******************************
- * select the single checkbox
- */
- com.whuang.hsj.setCheckedCheckboxOne = function(checkbox2233) {
- if (typeof checkbox2233 == 'string') {
- checkbox2233 = com.whuang.hsj.$$one(checkbox2233);
- if(checkbox2233==null ||checkbox2233==undefined){
- checkbox2233=com.whuang.hsj.$$id(checkbox2233);
- }
- }
- checkbox2233.checked = true;
- };
- /***
- * if is radio ,please use com.whuang.hsj.$$arr
- * @param name22
- * @returns
- */
- com.whuang.hsj.$$one = function(name22) {
- if (com.whuang.hsj.isHasValue(name22)) {
- var names222=document.getElementsByName(name22);
- //alert("names222:"+names222);
- //alert("typeof:"+(typeof names222 ));
- var className=Object.prototype.toString.call(names222);
- var boolean_isArray;
- var ieHtmlCollection='[object HTMLCollection]';
- if(isIEtest)//if browser is IE
- {
- boolean_isArray=( className=== '[object Object]') ||(className=== ieHtmlCollection) ||names222 instanceof Array ;
- }else
- {
- boolean_isArray=( className=== '[object Array]') ||(className=== '[object NodeList]' )||(className==ieHtmlCollection)||names222 instanceof Array||names222 instanceof NodeList;
- }
- if(names222){
- if(boolean_isArray){
- return names222[0];
- }else{
- return names222;//why add [0] ??
- }
- }else{
- return "";
- }
- } else {
- return "";
- }
- };
说明:
com.whuang.hsj.isHasValue 是js方法,用于判断是否有值
php中判断是否是移动端访问网页
是否是手机
Php代码
- function is_mobile()
- {
- $user_agent = $_SERVER['HTTP_USER_AGENT'];
- $mobile_agents = Array("240x320","acer","acoon","acs-","abacho","ahong","airness","alcatel","amoi","android","anywhereyougo.com","applewebkit/525","applewebkit/532","asus","audio","au-mic","avantogo","becker","benq","bilbo","bird","blackberry","blazer","bleu","cdm-","compal","coolpad","danger","dbtel","dopod","elaine","eric","etouch","fly ","fly_","fly-","go.web","goodaccess","gradiente","grundig","haier","hedy","hitachi","htc","huawei","hutchison","inno","ipad","ipaq","ipod","jbrowser","kddi","kgt","kwc","lenovo","lg ","lg2","lg3","lg4","lg5","lg7","lg8","lg9","lg-","lge-","lge9","longcos","maemo","mercator","meridian","micromax","midp","mini","mitsu","mmm","mmp","mobi","mot-","moto","nec-","netfront","newgen","nexian","nf-browser","nintendo","nitro","nokia","nook","novarra","obigo","palm","panasonic","pantech","philips","phone","pg-","playstation","pocket","pt-","qc-","qtek","rover","sagem","sama","samu","sanyo","samsung","sch-","scooter","sec-","sendo","sgh-","sharp","siemens","sie-","softbank","sony","spice","sprint","spv","symbian","tablet","talkabout","tcl-","teleca","telit","tianyu","tim-","toshiba","tsm","up.browser","utec","utstar","verykool","virgin","vk-","voda","voxtel","vx","wap","wellco","wig browser","wii","windows ce","wireless","xda","xde","zte");
- $is_mobile = false;
- foreach ($mobile_agents as $device) {
- if (stristr($user_agent, $device)) {
- $is_mobile = true;
- break;
- }
- }
- return $is_mobile;
- }
