1 // JavaScript Document 2 function chkname(form){ 3 var user = form.user.value; 4 if(user == ‘‘){ 5 alert(‘请输入用户名‘); 6 form.user.focus(); 7 return false; 8 }else{ 9 var url = "foundpwd.php?user="+user; 10 xmlhttp.open("GET",url,true); 11 xmlhttp.onreadystatechange = function(){ 12 if(xmlhttp.readyState == 4){ 13 var msg = xmlhttp.responseText; 14 if(msg == ‘0‘){ 15 alert(‘没有该用户,请重新查找!‘); 16 form.user.select(); 17 return false; 18 }else{ 19 document.getElementById(‘first‘).style.display = ‘none‘; 20 document.getElementById(‘second‘).style.display = ‘‘; 21 document.getElementById(‘question‘).innerHTML = msg; 22 } 23 } 24 } 25 xmlhttp.send(null); 26 } 27 } 28 function chkanswer(form) { 29 var user = document.getElementById(‘user‘).value; 30 var answer = form.answer.value; 31 if(answer == ‘‘){ 32 alert(‘请输入提示问题‘); 33 form.answer.focus(); 34 return false; 35 }else{ 36 var url = "foundpwd.php?user="+user+"&answer="+answer; 37 xmlhttp.open("GET",url,true); 38 xmlhttp.onreadystatechange = function(){ 39 if(xmlhttp.readyState == 4){ 40 var msg = xmlhttp.responseText; 41 if(msg == ‘0‘){ 42 alert(‘问题回答错误‘); 43 form.answer.select(); 44 return false; 45 }else{ 46 document.getElementById(‘second‘).style.display = ‘none‘; 47 document.getElementById(‘third‘).style.display = ‘‘; 48 } 49 } 50 } 51 xmlhttp.send(null); 52 } 53 } 54 function chkpwd(form){ 55 var user = document.getElementById(‘user‘).value; 56 var pwd1 = form.pwd1.value; 57 var pwd2 = form.pwd2.value; 58 if(pwd1 == ‘‘){ 59 alert(‘请输入密码‘); 60 form.pwd1.focus(); 61 return false; 62 } 63 if(pwd1.length < 6){ 64 alert(‘密码输入错误‘); 65 form.pwd1.focus(); 66 return false; 67 } 68 if(pwd1 != pwd2){ 69 alert(‘两次密码不相等‘); 70 form.pwd2.select(); 71 return false; 72 } 73 var url = "foundpwd.php?user="+user+"&password="+pwd1; 74 xmlhttp.open("GET",url,true); 75 xmlhttp.onreadystatechange = function(){ 76 if(xmlhttp.readyState == 4){ 77 var msg = xmlhttp.responseText; 78 if(msg == ‘1‘){ 79 alert(‘密码修改成功,请重新登录‘); 80 window.close(); 81 }else{ 82 alert(msg); 83 } 84 } 85 } 86 xmlhttp.send(null); 87 }
ajax验证用户名和找回密码参考
时间: 2024-10-12 21:43:19