我不知道这是否会帮助任何人，但我已经修改了 M$ 的 jquery.validate.unobtrusive.js 来实现这一点。它覆盖了 $.validator.setDefaults() 提供的默认设置，给我带来了问题。
如果您用这个替换 JS 文件，它应该可以像您希望它与 bootstrap 的 CSS 一起使用（不需要其他更改 - 除了输入元素和标签上的一些 CSS 类）。
$jQval.setDefaults() 是主要内容。剩下的就是我修改 M$ 的代码了。
这是文件：
/* NUGET: BEGIN LICENSE TEXT
*
* Microsoft grants you the right to use these script files for the sole
* purpose of either: (i) interacting through your browser with the Microsoft
* website or online service, subject to the applicable licensing or use
* terms; or (ii) using the files as included with a Microsoft product subject
* to that product's license terms. Microsoft reserves all other rights to the
* files not expressly granted by Microsoft, whether by implication, estoppel
* or otherwise. Insofar as a script file is dual licensed under GPL,
* Microsoft neither took the code under GPL nor distributes it thereunder but
* under the terms set out in this paragraph. All notices and licenses
* below are for informational purposes only.
*
* NUGET: END LICENSE TEXT */
/*!
** Unobtrusive validation support library for jQuery and jQuery Validate
** Copyright (C) Microsoft Corporation. All rights reserved.
*/
/*jslint white: true, browser: true, onevar: true, undef: true, nomen: true, eqeqeq: true, plusplus: true, bitwise: true, regexp: true, newcap: true, immed: true, strict: false */
/*global document: false, jQuery: false */
(function ($) {
var $jQval = $.validator,
adapters,
data_validation = "unobtrusiveValidation";
// Override jquery validate plugin defaults in order to utilize Twitter Bootstrap 3 has-error, has-success, etc. styling.
$jQval.setDefaults({
highlight: function (element, errorClass, validClass) {
if (element.type === 'radio') {
this.findByName(element.name).addClass(errorClass).removeClass(validClass);
} else {
$(element).addClass(errorClass).removeClass(validClass);
$(element).closest('.form-group').removeClass('success').addClass('has-error');
}
},
unhighlight: function (element, errorClass, validClass) {
if (element.type === 'radio') {
this.findByName(element.name).removeClass(errorClass).addClass(validClass);
} else {
$(element).removeClass(errorClass).addClass(validClass);
$(element).closest('.form-group').removeClass('has-error').addClass('success');
}
},
errorElement: 'span',
errorClass: 'help-block',
errorPlacement: function (error, element) {
if (element.parent('.input-group').length || element.prop('type') === 'checkbox' || element.prop('type') === 'radio') {
error.insertAfter(element.parent());
} else {
error.insertAfter(element);
}
}
});
$('span.field-validation-valid, span.field-validation-error').each(function () {
$(this).addClass('help-inline');
});
function setValidationValues(options, ruleName, value) {
options.rules[ruleName] = value;
if (options.message) {
options.messages[ruleName] = options.message;
}
}
function splitAndTrim(value) {
return value.replace(/^\s+|\s+$/g, "").split(/\s*,\s*/g);
}
function escapeAttributeValue(value) {
// As mentioned on http://api.jquery.com/category/selectors/
//return value.replace(/([!"#$%&'()*+,./:;<=>?@\[\\\]^`{|}~])/g, "\\$1");
return value.replace(new RegExp("([!\"#$%&'()*+,./:;<=>?@\[\\\]^`{|}~])", 'g'), "\\$1");
}
function getModelPrefix(fieldName) {
return fieldName.substr(0, fieldName.lastIndexOf(".") + 1);
}
function appendModelPrefix(value, prefix) {
if (value.indexOf("*.") === 0) {
value = value.replace("*.", prefix);
}
return value;
}
function onError(error, inputElement) { // 'this' is the form element
var container = $(this).find("[data-valmsg-for='" + escapeAttributeValue(inputElement[0].name) + "']"),
replaceAttrValue = container.attr("data-valmsg-replace"),
replace = replaceAttrValue ? $.parseJSON(replaceAttrValue) !== false : null;
container.removeClass("field-validation-valid").addClass("field-validation-error");
error.data("unobtrusiveContainer", container);
if (replace) {
container.empty();
error.removeClass("input-validation-error").appendTo(container);
}
else {
error.hide();
}
}
function onErrors(event, validator) { // 'this' is the form element
var container = $(this).find("[data-valmsg-summary=true]"),
list = container.find("ul");
if (list && list.length && validator.errorList.length) {
list.empty();
container.addClass("validation-summary-errors").removeClass("validation-summary-valid");
$.each(validator.errorList, function () {
$("<li />").html(this.message).appendTo(list);
});
}
}
function onSuccess(error) { // 'this' is the form element
var container = error.data("unobtrusiveContainer"),
replaceAttrValue = container.attr("data-valmsg-replace"),
replace = replaceAttrValue ? $.parseJSON(replaceAttrValue) : null;
if (container) {
container.addClass("field-validation-valid").removeClass("field-validation-error");
error.removeData("unobtrusiveContainer");
if (replace) {
container.empty();
}
}
}
function onReset(event) { // 'this' is the form element
var $form = $(this);
$form.data("validator").resetForm();
$form.find(".validation-summary-errors")
.addClass("validation-summary-valid")
.removeClass("validation-summary-errors");
$form.find(".field-validation-error")
.addClass("field-validation-valid")
.removeClass("field-validation-error")
.removeData("unobtrusiveContainer")
.find(">*") // If we were using valmsg-replace, get the underlying error
.removeData("unobtrusiveContainer");
}
function validationInfo(form) {
var $form = $(form),
result = $form.data(data_validation),
onResetProxy = $.proxy(onReset, form),
defaultOptions = $jQval.unobtrusive.options || {},
execInContext = function (name, args) {
var func = defaultOptions[name];
func && $.isFunction(func) && func.apply(form, args);
}
if (!result) {
result = {
options: $.extend($jQval.defaults, { // options structure passed to jQuery Validate's validate() method
errorClass: defaultOptions.errorClass || "input-validation-error",
errorElement: defaultOptions.errorElement || "span",
errorPlacement: function () {
onError.apply(form, arguments);
execInContext("errorPlacement", arguments);
},
invalidHandler: function () {
onErrors.apply(form, arguments);
execInContext("invalidHandler", arguments);
},
messages: {},
rules: {},
success: function () {
onSuccess.apply(form, arguments);
execInContext("success", arguments);
}
}),
attachValidation: function () {
$form
.off("reset." + data_validation, onResetProxy)
.on("reset." + data_validation, onResetProxy)
.validate(this.options);
},
validate: function () { // a validation function that is called by unobtrusive Ajax
$form.validate();
return $form.valid();
}
};
$form.data(data_validation, result);
}
return result;
}
$jQval.unobtrusive = {
adapters: [],
parseElement: function (element, skipAttach) {
/// <summary>
/// Parses a single HTML element for unobtrusive validation attributes.
/// </summary>
/// <param name="element" domElement="true">The HTML element to be parsed.</param>
/// <param name="skipAttach" type="Boolean">[Optional] true to skip attaching the
/// validation to the form. If parsing just this single element, you should specify true.
/// If parsing several elements, you should specify false, and manually attach the validation
/// to the form when you are finished. The default is false.</param>
var $element = $(element),
form = $element.parents("form")[0],
valInfo, rules, messages;
if (!form) { // Cannot do client-side validation without a form
return;
}
valInfo = validationInfo(form);
valInfo.options.rules[element.name] = rules = {};
valInfo.options.messages[element.name] = messages = {};
$.each(this.adapters, function () {
var prefix = "data-val-" + this.name,
message = $element.attr(prefix),
paramValues = {};
if (message !== undefined) { // Compare against undefined, because an empty message is legal (and falsy)
prefix += "-";
$.each(this.params, function () {
paramValues[this] = $element.attr(prefix + this);
});
this.adapt({
element: element,
form: form,
message: message,
params: paramValues,
rules: rules,
messages: messages
});
}
});
$.extend(rules, { "__dummy__": true });
if (!skipAttach) {
valInfo.attachValidation();
}
},
parse: function (selector) {
/// <summary>
/// Parses all the HTML elements in the specified selector. It looks for input elements decorated
/// with the [data-val=true] attribute value and enables validation according to the data-val-*
/// attribute values.
/// </summary>
/// <param name="selector" type="String">Any valid jQuery selector.</param>
// $forms includes all forms in selector's DOM hierarchy (parent, children and self) that have at least one
// element with data-val=true
var $selector = $(selector),
$forms = $selector.parents()
.addBack()
.filter("form")
.add($selector.find("form"))
.has("[data-val=true]");
$selector.find("[data-val=true]").each(function () {
$jQval.unobtrusive.parseElement(this, true);
});
$forms.each(function () {
var info = validationInfo(this);
if (info) {
info.attachValidation();
}
});
}
};
adapters = $jQval.unobtrusive.adapters;
adapters.add = function (adapterName, params, fn) {
/// <summary>Adds a new adapter to convert unobtrusive HTML into a jQuery Validate validation.</summary>
/// <param name="adapterName" type="String">The name of the adapter to be added. This matches the name used
/// in the data-val-nnnn HTML attribute (where nnnn is the adapter name).</param>
/// <param name="params" type="Array" optional="true">[Optional] An array of parameter names (strings) that will
/// be extracted from the data-val-nnnn-mmmm HTML attributes (where nnnn is the adapter name, and
/// mmmm is the parameter name).</param>
/// <param name="fn" type="Function">The function to call, which adapts the values from the HTML
/// attributes into jQuery Validate rules and/or messages.</param>
/// <returns type="jQuery.validator.unobtrusive.adapters" />
if (!fn) { // Called with no params, just a function
fn = params;
params = [];
}
this.push({ name: adapterName, params: params, adapt: fn });
return this;
};
adapters.addBool = function (adapterName, ruleName) {
/// <summary>Adds a new adapter to convert unobtrusive HTML into a jQuery Validate validation, where
/// the jQuery Validate validation rule has no parameter values.</summary>
/// <param name="adapterName" type="String">The name of the adapter to be added. This matches the name used
/// in the data-val-nnnn HTML attribute (where nnnn is the adapter name).</param>
/// <param name="ruleName" type="String" optional="true">[Optional] The name of the jQuery Validate rule. If not provided, the value
/// of adapterName will be used instead.</param>
/// <returns type="jQuery.validator.unobtrusive.adapters" />
return this.add(adapterName, function (options) {
setValidationValues(options, ruleName || adapterName, true);
});
};
adapters.addMinMax = function (adapterName, minRuleName, maxRuleName, minMaxRuleName, minAttribute, maxAttribute) {
/// <summary>Adds a new adapter to convert unobtrusive HTML into a jQuery Validate validation, where
/// the jQuery Validate validation has three potential rules (one for min-only, one for max-only, and
/// one for min-and-max). The HTML parameters are expected to be named -min and -max.</summary>
/// <param name="adapterName" type="String">The name of the adapter to be added. This matches the name used
/// in the data-val-nnnn HTML attribute (where nnnn is the adapter name).</param>
/// <param name="minRuleName" type="String">The name of the jQuery Validate rule to be used when you only
/// have a minimum value.</param>
/// <param name="maxRuleName" type="String">The name of the jQuery Validate rule to be used when you only
/// have a maximum value.</param>
/// <param name="minMaxRuleName" type="String">The name of the jQuery Validate rule to be used when you
/// have both a minimum and maximum value.</param>
/// <param name="minAttribute" type="String" optional="true">[Optional] The name of the HTML attribute that
/// contains the minimum value. The default is "min".</param>
/// <param name="maxAttribute" type="String" optional="true">[Optional] The name of the HTML attribute that
/// contains the maximum value. The default is "max".</param>
/// <returns type="jQuery.validator.unobtrusive.adapters" />
return this.add(adapterName, [minAttribute || "min", maxAttribute || "max"], function (options) {
var min = options.params.min,
max = options.params.max;
if (min && max) {
setValidationValues(options, minMaxRuleName, [min, max]);
}
else if (min) {
setValidationValues(options, minRuleName, min);
}
else if (max) {
setValidationValues(options, maxRuleName, max);
}
});
};
adapters.addSingleVal = function (adapterName, attribute, ruleName) {
/// <summary>Adds a new adapter to convert unobtrusive HTML into a jQuery Validate validation, where
/// the jQuery Validate validation rule has a single value.</summary>
/// <param name="adapterName" type="String">The name of the adapter to be added. This matches the name used
/// in the data-val-nnnn HTML attribute(where nnnn is the adapter name).</param>
/// <param name="attribute" type="String">[Optional] The name of the HTML attribute that contains the value.
/// The default is "val".</param>
/// <param name="ruleName" type="String" optional="true">[Optional] The name of the jQuery Validate rule. If not provided, the value
/// of adapterName will be used instead.</param>
/// <returns type="jQuery.validator.unobtrusive.adapters" />
return this.add(adapterName, [attribute || "val"], function (options) {
setValidationValues(options, ruleName || adapterName, options.params[attribute]);
});
};
$jQval.addMethod("__dummy__", function (value, element, params) {
return true;
});
$jQval.addMethod("regex", function (value, element, params) {
var match;
if (this.optional(element)) {
return true;
}
match = new RegExp(params).exec(value);
return (match && (match.index === 0) && (match[0].length === value.length));
});
$jQval.addMethod("nonalphamin", function (value, element, nonalphamin) {
var match;
if (nonalphamin) {
match = value.match(/\W/g);
match = match && match.length >= nonalphamin;
}
return match;
});
if ($jQval.methods.extension) {
adapters.addSingleVal("accept", "mimtype");
adapters.addSingleVal("extension", "extension");
} else {
// for backward compatibility, when the 'extension' validation method does not exist, such as with versions
// of JQuery Validation plugin prior to 1.10, we should use the 'accept' method for
// validating the extension, and ignore mime-type validations as they are not supported.
adapters.addSingleVal("extension", "extension", "accept");
}
adapters.addSingleVal("regex", "pattern");
adapters.addBool("creditcard").addBool("date").addBool("digits").addBool("email").addBool("number").addBool("url");
adapters.addMinMax("length", "minlength", "maxlength", "rangelength").addMinMax("range", "min", "max", "range");
adapters.addMinMax("minlength", "minlength").addMinMax("maxlength", "minlength", "maxlength");
adapters.add("equalto", ["other"], function (options) {
var prefix = getModelPrefix(options.element.name),
other = options.params.other,
fullOtherName = appendModelPrefix(other, prefix),
element = $(options.form).find(":input").filter("[name='" + escapeAttributeValue(fullOtherName) + "']")[0];
setValidationValues(options, "equalTo", element);
});
adapters.add("required", function (options) {
// jQuery Validate equates "required" with "mandatory" for checkbox elements
if (options.element.tagName.toUpperCase() !== "INPUT" || options.element.type.toUpperCase() !== "CHECKBOX") {
setValidationValues(options, "required", true);
}
});
adapters.add("remote", ["url", "type", "additionalfields"], function (options) {
var value = {
url: options.params.url,
type: options.params.type || "GET",
data: {}
},
prefix = getModelPrefix(options.element.name);
$.each(splitAndTrim(options.params.additionalfields || options.element.name), function (i, fieldName) {
var paramName = appendModelPrefix(fieldName, prefix);
value.data[paramName] = function () {
return $(options.form).find(":input").filter("[name='" + escapeAttributeValue(paramName) + "']").val();
};
});
setValidationValues(options, "remote", value);
});
adapters.add("password", ["min", "nonalphamin", "regex"], function (options) {
if (options.params.min) {
setValidationValues(options, "minlength", options.params.min);
}
if (options.params.nonalphamin) {
setValidationValues(options, "nonalphamin", options.params.nonalphamin);
}
if (options.params.regex) {
setValidationValues(options, "regex", options.params.regex);
}
});
$(function () {
$jQval.unobtrusive.parse(document);
});
}(jQuery));