asp.net mvc中的表单验证(使用javascript)
我是asp.NETMVC新手,我有一个表单,有一些验证,我想在客户端验证它,所以我用javascript编写普通脚本 更具体地说,我的问题是返回false(因为它不应该将任何数据发送到服务器,并且仍然在一个页面中,但这不会发生),注意:我用js在普通html文件中测试脚本,效果很好 但正如我所说的,我不熟悉mvc,所以我想知道我在mvc中是否遗漏了一些东西,如果在这个特殊的点上有任何对toturial的引用,那将是很好的,正如我在这里注意到的(没有初学者的地方:); 这也是我的代码片段asp.net mvc中的表单验证(使用javascript),javascript,c#,asp.net,asp.net-mvc,asp.net-mvc-4,Javascript,C#,Asp.net,Asp.net Mvc,Asp.net Mvc 4,我是asp.NETMVC新手,我有一个表单,有一些验证,我想在客户端验证它,所以我用javascript编写普通脚本 更具体地说,我的问题是返回false(因为它不应该将任何数据发送到服务器,并且仍然在一个页面中,但这不会发生),注意:我用js在普通html文件中测试脚本,效果很好 但正如我所说的,我不熟悉mvc,所以我想知道我在mvc中是否遗漏了一些东西,如果在这个特殊的点上有任何对toturial的引用,那将是很好的,正如我在这里注意到的(没有初学者的地方:); 这也是我的代码片段 @mod
@model registerationex.Models.register
@{
ViewBag.Title = "Create";
}
<h2>Create</h2>
@using (Html.BeginForm()) {
@Html.ValidationSummary(false)
<fieldset>
<legend>register</legend>
<div class="editor-label">
@Html.LabelFor(model => model.name)
</div>
<div class="editor-field">
@Html.EditorFor(model => model.name)
<span id="error"></span>
@Html.ValidationMessageFor(model => model.name)
</div>
<div class="editor-label">
@Html.LabelFor(model => model.email)
</div>
<div class="editor-field">
<input class="text-box single-line" data-val="true" data-val-required="The email field is required." id="email" name="email" type="text" value="" onblur="checkuser(email);">
<span id="erroruser"></span>
@Html.ValidationMessageFor(model => model.email)
</div>
<div class="editor-label">
@Html.LabelFor(model => model.age)
</div>
<div class="editor-field">
@Html.EditorFor(model => model.age)
<span id="errorage"></span>
@Html.ValidationMessageFor(model => model.age)
</div>
<p>
<input type="submit" value="Create" onclick="allvalidate();" />
</p>
</fieldset>
}
<div>
@Html.ActionLink("Back to List", "Index")
</div>
@section Scripts {
@Scripts.Render("~/bundles/jqueryval")
}
<script>
function allvalidate() {
var validated = true;
if (!validate()) validated = false;
if (!checkAge(age)) validated = false;
if (!checkuser(email)) validated = false;
return validated;
}
function validate() {
var txtf = document.getElementById('name');
if (txtf.value == 0 || txtf.value == null) {
document.getElementById('error').innerText = ('you must enter firstname');
document.getElementById('error').style.color = 'red';
txtf.focus();
return false;
}
else {
document.getElementById('error').innerText = ('');
return true;
}
}
function checkAge(input) {
if (input.value < 18 || input.value > 70) {
document.getElementById('errorage').innerText = ('age must be from 18 :70');
document.getElementById('errorage').style.color = 'red';
return false;
}
else {
document.getElementById('errorage').innerText = ('');
return true;
}
}
function checkuser(input) {
var pattern = '^[a-zA-Z]+$';
if (input.value.match(pattern)) {
document.getElementById('erroruser').innerText = '';
return true;
}
else {
document.getElementById('erroruser').innerText = ('enter valid email');
document.getElementById('erroruser').style.color = 'red';
return false;
}
}
</script>
@model registerationex.Models.register
@{
ViewBag.Title=“创建”;
}
创造
@使用(Html.BeginForm()){
@Html.ValidationSummary(false)
登记
@LabelFor(model=>model.name)
@EditorFor(model=>model.name)
@Html.ValidationMessageFor(model=>model.name)
@LabelFor(model=>model.email)
@Html.ValidationMessageFor(model=>model.email)
@LabelFor(model=>model.age)
@EditorFor(model=>model.age)
@Html.ValidationMessageFor(model=>model.age)
}
@ActionLink(“返回列表”、“索引”)
@节脚本{
@Scripts.Render(“~/bundles/jqueryval”)
}
函数allvalidate(){
var=true;
如果(!validate())validated=false;
如果(!checkAge(age))validated=false;
如果(!checkuser(email))validated=false;
返回验证;
}
函数验证(){
var txtf=document.getElementById('name');
if(txtf.value==0 | | txtf.value==null){
document.getElementById('error').innerText=('you must enter firstname');
document.getElementById('error').style.color='red';
txtf.focus();
返回false;
}
否则{
document.getElementById('error')。innerText=('');
返回true;
}
}
功能检查(输入){
如果(input.value<18 | | input.value>70){
document.getElementById('errorage').innerText=('age必须从18:70');
document.getElementById('errorage').style.color='red';
返回false;
}
否则{
document.getElementById('errorage')。innerText=('');
返回true;
}
}
功能检查用户(输入){
变量模式='^[a-zA-Z]+$';
if(输入值匹配(模式)){
document.getElementById('erroruser')。innerText='';
返回true;
}
否则{
document.getElementById('erroruser')。innerText=('enter valid email');
document.getElementById('erroruser').style.color='red';
返回false;
}
}
allvalidate()函数应该如下所示(调用submit函数,而不是返回值):
函数allvalidate(){
var=true;
如果(!validate())validated=false;
如果(!checkAge(age))validated=false;
如果(!checkuser(email))validated=false;
如果(已验证)
$('[type=“submit”]')。submit();
}
allvalidate()函数应该如下所示(调用submit函数,而不是返回值):
函数allvalidate(){
var=true;
如果(!validate())validated=false;
如果(!checkAge(age))validated=false;
如果(!checkuser(email))validated=false;
如果(已验证)
$('[type=“submit”]')。submit();
}
allvalidate()函数应该如下所示(调用submit函数,而不是返回值):
函数allvalidate(){
var=true;
如果(!validate())validated=false;
如果(!checkAge(age))validated=false;
如果(!checkuser(email))validated=false;
如果(已验证)
$('[type=“submit”]')。submit();
}
allvalidate()函数应该如下所示(调用submit函数,而不是返回值):
函数allvalidate(){
var=true;
如果(!validate())validated=false;
如果(!checkAge(age))validated=false;
如果(!checkuser(email))validated=false;
如果(已验证)
$('[type=“submit”]')。submit();
}
您已经包含了@Scripts.Render(“~/bundles/jqueryval”)
,默认情况下它是jquery.validate.unobtrusive.js
,所以请删除所有脚本并利用MVC附带的功能。只需将验证属性添加到属性中
[Required(ErrorMessage = "you must enter firstname")]
public string name { get; set; }
[EmailAddress(ErrorMessage = "enter valid email")]
public string email { get; set; }
[Required(ErrorMessage = "you must your age")]
[Range(18, 70, ErrorMessage = "age must be from 18 : 70")]
public int age { get; set; }
现在,脚本尝试执行的所有操作(糟糕的)都是开箱即用的(假设您没有禁用不引人注目的验证),并且在更正错误之前表单不会提交。现在,您还可以获得服务器端验证,这是必要的验证(客户端验证只是一个不错的奖励,但任何人都可以轻松通过),因此必须始终在服务器上进行验证
另外,将手动尝试为电子邮件属性创建输入替换为@Html.EditorFor(m=>m.email)
,并删除所有onclick
属性
旁注:您的正则表达式甚至不允许输入有效的电子邮件地址(它甚至不允许输入@
或
字符!)。使用EmailAddress]
属性将生成正确的正则表达式(来自jqueryvalidation 1.9.0
)
[Required(ErrorMessage = "you must enter firstname")]
public string name { get; set; }
[EmailAddress(ErrorMessage = "enter valid email")]
public string email { get; set; }
[Required(ErrorMessage = "you must your age")]
[Range(18, 70, ErrorMessage = "age must be from 18 : 70")]
public int age { get; set; }
^((([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+(\.([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+)*)|((\x22)((((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(([\x01-\x08\x0b\x0c\x0e-\x1f\x7f]|\x21|[\x23-\x5b]|[\x5d-\x7e]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(\\([\x01-\x09\x0b\x0c\x0d-\x7f]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]))))*(((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(\x22)))@((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)+(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))$