2、输入框失去焦点后调用的javascript函数实现：fun.js：function chkusername(){ var c = document.getelementbyid('txt_regname'); var d = c.value; var id; if(d==){ document.getelementbyid('l1').innertext=请输入用户名; document.getelementbyid('ll1').innertext=; }else{ var xmlobj; xmlobj = new xmlhttprequest(); xmlobj.open('post','chk.php?d='+d,true); xmlobj.onreadystatechange = callbackfun; xmlobj.send(null); function callbackfun() { if(xmlobj.readystate == 4&&xmlobj.status ==200){ if(xmlobj.responsetext=='y'){ document.getelementbyid('l1').innertext=×; document.getelementbyid('ll1').innertext=; }else{ document.getelementbyid('l1').innertext=; document.getelementbyid('ll1').innertext=√; } } } }}function chkrealname(){ var c = document.getelementbyid('txt_regrealname'); var d = c.value; if(d==){ document.getelementbyid('l4').innertext=请输入真实姓名; document.getelementbyid('ll4').innertext=; }else{ document.getelementbyid('l4').innertext=; document.getelementbyid('ll4').innertext=√; }}function chkpwd(){ var p = document.getelementbyid('txt_regpwd').value; var c = document.getelementbyid('ll1').innertext; if(c==√){ if(p==){ document.getelementbyid('l2').innertext=请输入密码; } else if(p.lengthfetch_assoc(); if(count($s)!=0){ echo 'y'; }else{ echo 'n'; }
4、注册后将用户添加到数据库registerdeal.phpexecute_dql($sql);$result=$res->fetch_assoc();if (count($result)!=0){ echo (); exit();}$_session['username']=$_post['txt_regname'];$regname=$_post['txt_regname'];$regrealname=$_post['txt_regrealname'];$regpwd=$_post['txt_regpwd'];$regbirthday=$_post['txt_birthday'];$regemail=$_post['txt_regemail'];$regcity=$_post['txt_province'].$_post['txt_city'];$regico=$_post['txt_ico'];$regsex=$_post['txt_regsex'];$regqq=$_post['txt_regqq'];$reghomepage=$_post['txt_reghomepage'];$regsign=$_post['txt_regsign'];$regintroduce=$_post['txt_regintroduce'];$ip=getenv(remote_addr);$sql = insert into tb_user (regname,regrealname,regpwd,regbirthday,regemail,regcity,regico,regsex,regqq,reghomepage,regsign,regintroduce,ip,fig). values ('$regname','$regrealname','$regpwd','$regbirthday','$regemail','$regcity','$regico','$regsex','$regqq','$reghomepage','$regsign','$regintroduce','$ip',0);$ins=$sqlhelper->execute_dml($sql);echo ;echo ;?>
至此，用户注册已经实现。
http://www.bkjia.com/phpjc/926458.htmlwww.bkjia.comtruehttp://www.bkjia.com/phpjc/926458.htmltecharticlephp经典项目案例-（一）博客管理系统4 本篇使用ajax实现页面无刷新验证用户名是否存在。 七、注册页面实现 1、注册页面设计 register.php部...