jquery validator c# helper
如果平时不习惯写javascript的情况下，使用jquery validator写起来就是比较头痛的事情，为了解决这一问题所以写了个针对jquery validator 的c# helper。使用helper后编写验证就能得到VS.NET的支持主要是提供感知功能方便编写。
<script>
$().ready(function () {
on_signupForm();
});
</script>
<%=Script.DotNet.JQueryHelper.Validate("signupForm")
.Add("firstname", i => { i.required("Please enter your firstname"); })
.Add("lastname", i => { i.required("Please enter your lastname"); })
.Add("username", i => { i.required("Please enter a username").minlength(2, "Your username must consist of at least 2 characters"); })
.Add("password", i => { i.required("Please provide a password").minlength(5,"Your password must be at least 5 characters long"); })
.Add("confirm_password", i => { i.required("Please provide a password").minlength(5, "Your password must be at least 5 characters long").equalTo("Please enter the same password as above"); })
.Add("email", i => { i.required().email(); })
.Add("topic", i => { i.required("#newsletter:checked", null).minlength(2); })
.Add("agree", i => { i.required(); })
%>
如果用javascript描述如下：
<script>
$().ready(function () {
// validate signup form on keyup and submit
$("#signupForm").validate({
rules: {
firstname: "required",
lastname: "required",
username: {
required: true,
minlength: 2
},
password: {
required: true,
minlength: 5
},
confirm_password: {
required: true,
minlength: 5,
equalTo: "#password"
},
email: {
required: true,
email: true
},
topic: {
required: "#newsletter:checked",
minlength: 2
},
agree: "required"
},
messages: {
firstname: "Please enter your firstname",
lastname: "Please enter your lastname",
username: {
required: "Please enter a username",
minlength: "Your username must consist of at least 2 characters"
},
password: {
required: "Please provide a password",
minlength: "Your password must be at least 5 characters long"
},
confirm_password: {
required: "Please provide a password",
minlength: "Your password must be at least 5 characters long",
equalTo: "Please enter the same password as above"
},
email: "Please enter a valid email address",
agree: "Please accept our policy"
}
});
});
</script>
从代码上来看是不是helper会简洁很多:) helper完整代码如下:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Text;
namespace Script.DotNet
{
public class JQueryHelper
{
public static Validate Validate(string name)
{
return new Validate(name);
}
}
public class Validate
{
private string mName;
public Validate(string id)
{
mName = id;
}
private List<ValidateItem> mItems = new List<ValidateItem>(8);
public Validate Add(string name, Action<ValidateItem> addaction)
{
ValidateItem item = new ValidateItem(name);
mItems.Add(item);
addaction(item);
return this;
}
public override string ToString()
{
StringBuilder sb = new StringBuilder();
ValidateItem item;
sb.Append("<script>");
sb.Append("function on_").Append(mName).Append("(){");
sb.Append(" $('#").Append(mName).Append("').validate({\r\n");
sb.Append(" rules: {\r\n");
for (int i = 0; i < mItems.Count; i++)
{
item = mItems[i];
if (i > 0)
sb.Append(",");
sb.Append(item.Name).Append(":{");
for (int k = 0; k < item.Items.Count; k++)
{
if (k > 0)
sb.Append(",");
sb.Append(item.Items[k].Name).Append(":").Append(item.Items[k].Value);
}
sb.Append("}");
}
sb.Append("},\r\n messages: {\r\n");
for (int i = 0; i < mItems.Count; i++)
{
item = mItems[i];
if (i > 0)
sb.Append(",");
sb.Append(item.Name).Append(":{");
if (item.HasMessage)
{
int count = 0;
for (int k = 0; k < item.Items.Count; k++)
{
if (count > 0)
sb.Append(",");
if (!string.IsNullOrEmpty(item.Items[k].Message))
{
sb.Append(item.Items[k].Name).Append(":'").Append(item.Items[k].Message).Append("'");
count++;
}
}
}
sb.Append("}");
}
sb.Append(" }\r\n");
sb.Append("});\r\n");
sb.Append("}");
sb.Append("</script>\r\n");
return sb.ToString();
}
}
public class ValidateItem
{
public ValidateItem(string name)
{
Name = name;
HasMessage = false;
}
public string Name { get; set; }
public ValidateItem required()
{
return AddType("required", "true", null);
}
public ValidateItem required(string message)
{
return AddType("required", "true", message);
}
public ValidateItem required(string value,string message)
{
return AddType("required", "'"+value+"'", message);
}
public ValidateItem remote(string url)
{
return AddType("remote", url, null);
}
public ValidateItem remote(string url, string message)
{
return AddType("remote", url, message);
}
public ValidateItem remote(string url, string dataexpression, string message)
{
return AddType("remote", string.Format("{url:'{0}',data:{1}}", url, dataexpression), message);
}
public ValidateItem email()
{
return AddType("email", "true", null);
}
public ValidateItem email(string message)
{
return AddType("email", "true", message);
}
public ValidateItem url()
{
return AddType("url", "true", null);
}
public ValidateItem url(string message)
{
return AddType("url", "true", message);
}
public ValidateItem date()
{
return AddType("date", "true", null);
}
public ValidateItem date(string message)
{
return AddType("date", "true", message);
}
public ValidateItem dateISO()
{
return AddType("dateISO", "true", null);
}
public ValidateItem dateISO(string message)
{
return AddType("dateISO", "true", message);
}
public ValidateItem number()
{
return AddType("number", "true", null);
}
public ValidateItem number(string message)
{
return AddType("number", "true", message);
}
public ValidateItem digits()
{
return AddType("digits", "true", null);
}
public ValidateItem digits(string message)
{
return AddType("digits", "true", message);
}
public ValidateItem creditcard()
{
return AddType("creditcard", "true", null);
}
public ValidateItem creditcard(string message)
{
return AddType("creditcard", "true", message);
}
public ValidateItem equalTo(string control)
{
return AddType("equalTo", "'#" + control + "'", null);
}
public ValidateItem equalTo(string control, string message)
{
return AddType("equalTo", "'#"+control+"'", message);
}
/// <summary>
/// $("#myform").validate({
/// rules: {
/// field: {
/// required: true,
/// accept: "xls|csv"
/// }
/// }
///});
/// </summary>
/// <param name="type"></param>
/// <returns></returns>
public ValidateItem accept(string type)
{
return AddType("accept", type, null);
}
/// <summary>
/// $("#myform").validate({
/// rules: {
/// field: {
/// required: true,
/// accept: "xls|csv"
/// }
/// }
///});
/// </summary>
/// <param name="type"></param>
/// <param name="message"></param>
/// <returns></returns>
public ValidateItem accept(string type, string message)
{
return AddType("accept", type, message);
}
public ValidateItem maxlength(int length)
{
return AddType("maxlength", length, null);
}
public ValidateItem maxlength(int length, string message)
{
return AddType("maxlength", length, message);
}
public ValidateItem minlength(int length)
{
return AddType("minlength", length, null);
}
public ValidateItem minlength(int length, string message)
{
return AddType("minlength", length, message);
}
public ValidateItem rangelength(int min,int max)
{
return AddType("rangelength", string.Format("[{0},{1}]",min,max), null);
}
public ValidateItem minlength(int min, int max, string message)
{
return AddType("rangelength", string.Format("[{0},{1}]", min, max), message);
}
public ValidateItem range(object min, object max)
{
return AddType("range", string.Format("[{0},{1}]", min, max), null);
}
public ValidateItem range(object min, object max, string message)
{
return AddType("range", string.Format("[{0},{1}]", min, max), message);
}
public ValidateItem max(object value)
{
return AddType("max", value, null);
}
public ValidateItem max(object value, string message)
{
return AddType("max", value, message);
}
public ValidateItem min(object value)
{
return AddType("min", value, null);
}
public ValidateItem min(object value, string message)
{
return AddType("min", value, message);
}
public ValidateItem AddType(ValidateType type, object value)
{
return AddType(Enum.GetName(typeof(ValidateType), type), value, null);
}
public ValidateItem AddType(ValidateType type, object value, string message)
{
return AddType(Enum.GetName(typeof(ValidateType), type), value, message);
}
public bool HasMessage
{
get;
set;
}
public ValidateItem AddType(string type, object value, string message)
{
ValidateSubItem item = new ValidateSubItem { Name = type, Message = message, Value = value };
if (!string.IsNullOrEmpty(item.Message))
HasMessage = true;
Items.Add(item);
return this;
}
private IList<ValidateSubItem> mItems = new List<ValidateSubItem>();
public IList<ValidateSubItem> Items
{
get
{
return mItems;
}
}
public class ValidateSubItem
{
public string Name;
public object Value;
public string Message;
}
}
public enum ValidateType
{
required,
remote,
email,
url,
date,
dateISO,
number,
digits,
creditcard,
equalTo,
accept,
maxlength,
minlength,
rangelength,
range,
max,
min
}
}