救命,我正在尝试验证我的表单。它可以验证所有字段,但验证后不提交。我尝试运行 http://jsfiddle.net/CrLsR/297/ 中的代码但在验证表单后,它无法继续到 test.html 页面。我是 javascript 新手,所以我不知道问题是什么。任何帮助将非常感激。谢谢..
这是代码:
//HTML 表单
<form name="form" id="form" onsubmit="return (validateForm(this));" action="test.htm" method="post">
<label for="firstname" id="errfName">First Name</label>
<li><input name="firstname" type="text" onkeyup="return(validatefName(this));"> <span id="warnfName"></span></li>
<label for="username" id="errUser">Username</label>
<li><input name="username" type="text" onkeyup="return(validateUsername(this));"> <span id="warnUser"></span></li>
<label for="password" id="errPass">Password</label></li>
<li><input name="password" id="password" type="password" onkeyup="return(validatePassword(this));"> <span id="warnPass"></span></li>
<label for="password2" id="errPass2">Confirm Password</label></li>
<li><input name="password2" id="password2" type="password" onkeyup="return(validatePassword2(this));"> <span id="warnPass2"></span></li>
<label for="email" id="errEmail">Email Address</label>
<li><input name="email" type="text" onkeyup="return(validateEmail(this));"> <span id="warnEmail"></span></li>
<li> </td>
<li><input name="Submit" value="Send" type="submit" ></li>
//JavaScript 代码
var borderErr = "1px solid rgb(100,0,50)";
var borderOk = "1px solid rgb(0,150,50)";
var warn = "<b class='warn'>!</b>";
// for First Name validation
var matchfName = /^[a-zA-Z]$/;
var errorfNameEmpty = "<b class='err'>First name is required";
// for Username validation
var matchUsername = /^[A-Za-z][A-Za-z0-9]*(?:_[A-Za-z0-9]+)*$/;
var matchUsername2 = /^[a-z0-9_-]{5,15}$/;
var errorUsernameEmpty = "<b class='err'>Username is required\n</b>";
var errorUsernameInvalid = "<b class='err'>The username is not valid. Must contains 5 to 15 alpha numeric characters\n</b>";
// for Password validation
var matchPass = /^(?=.*\d)(?=.*[a-z])(?=.*[A-Z])(?=.*[^a-zA-Z0-9])(?!.*\s).{7,15}$/;
var errPassEmpty = "<b class='err'>Password is required</b>";
var errPassInvalid = "<b class='err'>Password must contains with a combination of <br/>7 to 15 alpha numeric and special characters.";
// for Confirm Password validation
var errPassEmpty2 = "<b class='err'>Confirm password is required</b>";
var errPassInvalid2 = "<b class='err'>Confirm password must the same as password value.";
// for Email validation
var matchEmail = /^(([^<>()[\]\\.,;:\s@\"]+(\.[^<>()[\]\\.,;:\s@\"]+)*)|(\".+\"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;
var errEmailEmpty = "<b class='err'>Email address is required</b>";
var errEmailInvalid = "<b class='err'>Invalid email address. Please enter a valid email.";
function validateForm(regForm) {
var warning = "";
warning += validatefName(regForm.firstname);
warning += validateUsername(regForm.username);
warning += validatePassword(regForm.password);
warning += validatePassword2(regForm.password2);
warning += validateEmail(regForm.email);
if (warning != "") {
return false;
}
return true;
}
// validate first name
function validatefName(fld) {
if(fld.value == "") {
fld.style.border=borderErr;
document.getElementById("errfName").innerHTML=errorfNameEmpty;
document.getElementById("warnfName").innerHTML=warn;
return false;
}
else {
fld.style.border=borderOk;
document.getElementById("errfName").innerHTML="First Name";
document.getElementById("warnfName").innerHTML="";
return true;
}
}
//validate username
function validateUsername(fld) {
if (fld.value == "") {
fld.style.border=borderErr;
document.getElementById("errUser").innerHTML=errorUsernameEmpty;
document.getElementById("warnUser").innerHTML=warn;
return false;
}
else if ((!matchUsername.test(fld.value)) || (!matchUsername2.test(fld.value))) {
fld.style.border=borderErr;
document.getElementById("errUser").innerHTML=errorUsernameInvalid;
document.getElementById("warnUser").innerHTML=warn;
return false;
}
else {
document.getElementById("errUser").innerHTML="Username";
document.getElementById("warnUser").innerHTML="";
fld.style.border=borderOk;
return true;
}
}
// validate password
function validatePassword(fld) {
if (fld.value == "") {
fld.style.border=borderErr;
document.getElementById("errPass").innerHTML=errPassEmpty;
document.getElementById("warnPass").innerHTML=warn;
return false;
}
else if (!matchPass.test(fld.value)) {
document.getElementById("errPass").innerHTML=errPassInvalid;
document.getElementById("warnPass").innerHTML=warn;
fld.style.border=borderErr;
return false;
}
else {
fld.style.border=borderOk;
document.getElementById("errPass").innerHTML="Password";
document.getElementById("warnPass").innerHTML="";
return true;
}
}
// validate confirm password
function validatePassword2(fld) {
var passVal = document.getElementById("password").value;
if (fld.value == "") {
fld.style.border=borderErr;
document.getElementById("errPass2").innerHTML=errPassEmpty2;
document.getElementById("warnPass2").innerHTML=warn;
return false;
}
else if (passVal != fld.value) {
document.getElementById("errPass2").innerHTML=errPassInvalid2;
document.getElementById("warnPass2").innerHTML=warn;
fld.style.border=borderErr;
return false;
}
else {
fld.style.border=borderOk;
document.getElementById("errPass2").innerHTML="Confirm Password";
document.getElementById("warnPass2").innerHTML="";
return true;
}
}
// validate email address
function validateEmail(fld) {
if (fld.value == "") {
fld.style.border=borderErr;
document.getElementById("errEmail").innerHTML=errEmailEmpty;
document.getElementById("warnEmail").innerHTML=warn;
return false;
}
else if (!matchEmail.test(fld.value)) {
fld.style.border=borderErr;
document.getElementById("errEmail").innerHTML=errEmailInvalid;
document.getElementById("warnEmail").innerHTML=warn;
return false;
}
else {
fld.style.border=borderOk;
document.getElementById("errEmail").innerHTML="Email Address";
document.getElementById("warnEmail").innerHTML="";
return true;
}
}
最佳答案
当您的内部验证方法返回 true 或 false 时,您需要将您的父验证方法修改为此或类似的方法。
function validateForm(regForm) {
var formValid = true;
formValid &= validatefName(regForm.firstname);
formValid &= validateUsername(regForm.username);
formValid &= validatePassword(regForm.password);
formValid &= validatePassword2(regForm.password2);
formValid &= validateEmail(regForm.email);
if (!formValid) {
return false;
}
return true;
}
关于javascript - 在javascript中验证后无法提交表单,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/23378187/