function checkdata() {
var ssn=document.form.username.value.toLowerCase();
if (!checkUserName(ssn)) return false;
if (!checkPassword()) return false;
if (!checkPassword1()) return false;
}
function checkPassword(){
if( strlen(document.form.pwd.value)<6 || strlen(document.form.pwd.value)>16 ) {
document.getElementById("pwdErr").innerHTML = "<font color='red'>正确地登录密码长度为6-16位,仅可用英文、数字、特殊字符!</font>";
document.form.pwd.focus();
return false;
}
if( strlen2(document.form.pwd.value) ) {
document.getElementById("pwdErr").innerHTML = "<font color='red'>您的密码中包含了非法字符,仅可用英文、数字、特殊字符!</font>";
document.form.pwd.focus();
return false;
}
if( document.form.pwd.value == document.form.username.value ) {
document.getElementById("pwdErr").innerHTML = "<font color='red'>用户名和密码不能相同!</font>";
document.form.pwd.focus();
return false;
}
document.getElementById("pwdErr").innerHTML = "";
return true;
}
function checkPassword1(){
if( document.form.pwd2.value =="" ) {
document.getElementById("pwdErr1").innerHTML = "<font color='red'>请输入密码确认!</font>";
document.form.pwd2.focus();
return false;
}
if( document.form.pwd2.value != document.form.pwd.value ) {
document.getElementById("pwdErr1").innerHTML = "<font color='red'>两次密码输入不一致!</font>";
document.form.pwd.focus();
return false;
}
document.getElementById("pwdErr1").innerHTML = "";
return true;
}function checkUserName(ssn){
if( ssn.length<3 || ssn.length>18 ) {
document.getElementById("usernameErr").innerHTML = "<font color='red'>请输入正确的工号,工号长度为3-18位!</font>";
document.form.username.focus();
return false;
}
if (isWhiteWpace(ssn)){
document.getElementById("usernameErr").innerHTML = "<font color='red'>请输入正确的工号,用户名中不能包含空格!</font>";
document.form.username.focus();
return false;
}
if (!isSsnString(ssn)){
document.getElementById("usernameErr").innerHTML = "<font color='red'> 您选择的用户名不正确或已被占用!工号由字母、数字和下划线组成</font>";
document.form.username.focus();
return false;
}
document.getElementById("usernameErr").innerHTML = "";
return true;
}function strlen(str){
var len;
var i;
len = 0;
for (i=0;i<str.length;i++){
if (str.charCodeAt(i)>255) len+=2; else len++;
}
return len;
}function strlen2(str){
var len;
var i;
len = 0;
for (i=0;i<str.length;i++){
if (str.charCodeAt(i)>255) return true;
}
return false;
}function isWhiteWpace (s)
{
var whitespace = " \t\n\r";
var i;
for (i = 0; i < s.length; i++){
var c = s.charAt(i);
if (whitespace.indexOf(c) >= 0) {
return true;
}
}
return false;
}function isSsnString (ssn)
{
var re=/^[A-Za-z0-9_]+$/;
if(re.test(ssn))
return true;
else
return false;
}
var ssn=document.form.username.value.toLowerCase();
if (!checkUserName(ssn)) return false;
if (!checkPassword()) return false;
if (!checkPassword1()) return false;
}
function checkPassword(){
if( strlen(document.form.pwd.value)<6 || strlen(document.form.pwd.value)>16 ) {
document.getElementById("pwdErr").innerHTML = "<font color='red'>正确地登录密码长度为6-16位,仅可用英文、数字、特殊字符!</font>";
document.form.pwd.focus();
return false;
}
if( strlen2(document.form.pwd.value) ) {
document.getElementById("pwdErr").innerHTML = "<font color='red'>您的密码中包含了非法字符,仅可用英文、数字、特殊字符!</font>";
document.form.pwd.focus();
return false;
}
if( document.form.pwd.value == document.form.username.value ) {
document.getElementById("pwdErr").innerHTML = "<font color='red'>用户名和密码不能相同!</font>";
document.form.pwd.focus();
return false;
}
document.getElementById("pwdErr").innerHTML = "";
return true;
}
function checkPassword1(){
if( document.form.pwd2.value =="" ) {
document.getElementById("pwdErr1").innerHTML = "<font color='red'>请输入密码确认!</font>";
document.form.pwd2.focus();
return false;
}
if( document.form.pwd2.value != document.form.pwd.value ) {
document.getElementById("pwdErr1").innerHTML = "<font color='red'>两次密码输入不一致!</font>";
document.form.pwd.focus();
return false;
}
document.getElementById("pwdErr1").innerHTML = "";
return true;
}function checkUserName(ssn){
if( ssn.length<3 || ssn.length>18 ) {
document.getElementById("usernameErr").innerHTML = "<font color='red'>请输入正确的工号,工号长度为3-18位!</font>";
document.form.username.focus();
return false;
}
if (isWhiteWpace(ssn)){
document.getElementById("usernameErr").innerHTML = "<font color='red'>请输入正确的工号,用户名中不能包含空格!</font>";
document.form.username.focus();
return false;
}
if (!isSsnString(ssn)){
document.getElementById("usernameErr").innerHTML = "<font color='red'> 您选择的用户名不正确或已被占用!工号由字母、数字和下划线组成</font>";
document.form.username.focus();
return false;
}
document.getElementById("usernameErr").innerHTML = "";
return true;
}function strlen(str){
var len;
var i;
len = 0;
for (i=0;i<str.length;i++){
if (str.charCodeAt(i)>255) len+=2; else len++;
}
return len;
}function strlen2(str){
var len;
var i;
len = 0;
for (i=0;i<str.length;i++){
if (str.charCodeAt(i)>255) return true;
}
return false;
}function isWhiteWpace (s)
{
var whitespace = " \t\n\r";
var i;
for (i = 0; i < s.length; i++){
var c = s.charAt(i);
if (whitespace.indexOf(c) >= 0) {
return true;
}
}
return false;
}function isSsnString (ssn)
{
var re=/^[A-Za-z0-9_]+$/;
if(re.test(ssn))
return true;
else
return false;
}
解决方案 »
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