登录验证

在<head>里加

<script type="text/javascript">
$(function() {
$("#frmV").validate(
{
/*自定义验证规则*/
rules: {
tel:{ required: true, telnumber: true },
passwd: { required: true, minlength: 7}
},
/*错误提示位置*/
errorPlacement: function(error, element) {
error.appendTo(element.siblings("span"));
}
}
);
});
</script>

在<body>加

其中

jquery.validate.js:

/*
 * jQuery validation plug-in 1.7
 *
 * http://bassistance.de/jquery-plugins/jquery-plugin-validation/
 * http://docs.jquery.com/Plugins/Validation
 *
 * Copyright (c) 2006 - 2008 J枚rn Zaefferer
 *
 * $Id: jquery.validate.js 6403 2009-06-17 14:27:16Z joern.zaefferer $
 *
 * Dual licensed under the MIT and GPL licenses:
 *   http://www.opensource.org/licenses/mit-license.php
 *   http://www.gnu.org/licenses/gpl.html
 */

(function($) {

$.extend($.fn, {
    // http://docs.jquery.com/Plugins/Validation/validate
    validate: function( options ) {

        // if nothing is selected, return nothing; can't chain anyway
        if (!this.length) {
            options && options.debug && window.console && console.warn( "nothing selected, can't validate, returning nothing" );
            return;
        }

        // check if a validator for this form was already created
        var validator = $.data(this[0], 'validator');
        if ( validator ) {
            return validator;
        }
        
        validator = new $.validator( options, this[0] );
        $.data(this[0], 'validator', validator); 
        
        if ( validator.settings.onsubmit ) {
        
            // allow suppresing validation by adding a cancel class to the submit button
            this.find("input, button").filter(".cancel").click(function() {
                validator.cancelSubmit = true;
            });
            
            // when a submitHandler is used, capture the submitting button
            if (validator.settings.submitHandler) {
                this.find("input, button").filter(":submit").click(function() {
                    validator.submitButton = this;
                });
            }
        
            // validate the form on submit
            this.submit( function( event ) {
                if ( validator.settings.debug )
                    // prevent form submit to be able to see console output
                    event.preventDefault();
                    
                function handle() {
                    if ( validator.settings.submitHandler ) {
                        if (validator.submitButton) {
                            // insert a hidden input as a replacement for the missing submit button
                            var hidden = $("<input type='hidden'/>").attr("name", validator.submitButton.name).val(validator.submitButton.value).appendTo(validator.currentForm);
                        }
                        validator.settings.submitHandler.call( validator, validator.currentForm );
                        if (validator.submitButton) {
                            // and clean up afterwards; thanks to no-block-scope, hidden can be referenced
                            hidden.remove();
                        }
                        return false;
                    }
                    return true;
                }
                    
                // prevent submit for invalid forms or custom submit handlers
                if ( validator.cancelSubmit ) {
                    validator.cancelSubmit = false;
                    return handle();
                }
                if ( validator.form() ) {
                    if ( validator.pendingRequest ) {
                        validator.formSubmitted = true;
                        return false;
                    }
                    return handle();
                } else {
                    validator.focusInvalid();
                    return false;
                }
            });
        }
        
        return validator;
    },
    // http://docs.jquery.com/Plugins/Validation/valid
    valid: function() {
        if ( $(this[0]).is('form')) {
            return this.validate().form();
        } else {
            var valid = true;
            var validator = $(this[0].form).validate();
            this.each(function() {
                valid &= validator.element(this);
            });
            return valid;
        }
    },
    // attributes: space seperated list of attributes to retrieve and remove
    removeAttrs: function(attributes) {
        var result = {},
            $element = this;
        $.each(attributes.split(/s/), function(index, value) {
            result[value] = $element.attr(value);
            $element.removeAttr(value);
        });
        return result;
    },
    // http://docs.jquery.com/Plugins/Validation/rules
    rules: function(command, argument) {
        var element = this[0];
        
        if (command) {
            var settings = $.data(element.form, 'validator').settings;
            var staticRules = settings.rules;
            var existingRules = $.validator.staticRules(element);
            switch(command) {
            case "add":
                $.extend(existingRules, $.validator.normalizeRule(argument));
                staticRules[element.name] = existingRules;
                if (argument.messages)
                    settings.messages[element.name] = $.extend( settings.messages[element.name], argument.messages );
                break;
            case "remove":
                if (!argument) {
                    delete staticRules[element.name];
                    return existingRules;
                }
                var filtered = {};
                $.each(argument.split(/s/), function(index, method) {
                    filtered[method] = existingRules[method];
                    delete existingRules[method];
                });
                return filtered;
            }
        }
        
        var data = $.validator.normalizeRules(
        $.extend(
            {},
            $.validator.metadataRules(element),
            $.validator.classRules(element),
            $.validator.attributeRules(element),
            $.validator.staticRules(element)
        ), element);
        
        // make sure required is at front
        if (data.required) {
            var param = data.required;
            delete data.required;
            data = $.extend({required: param}, data);
        }
        
        return data;
    }
});

// Custom selectors
$.extend($.expr[":"], {
    // http://docs.jquery.com/Plugins/Validation/blank
    blank: function(a) {return !$.trim("" + a.value);},
    // http://docs.jquery.com/Plugins/Validation/filled
    filled: function(a) {return !!$.trim("" + a.value);},
    // http://docs.jquery.com/Plugins/Validation/unchecked
    unchecked: function(a) {return !a.checked;}
});

// constructor for validator
$.validator = function( options, form ) {
    this.settings = $.extend( true, {}, $.validator.defaults, options );
    this.currentForm = form;
    this.init();
};

$.validator.format = function(source, params) {
    if ( arguments.length == 1 ) 
        return function() {
            var args = $.makeArray(arguments);
            args.unshift(source);
            return $.validator.format.apply( this, args );
        };
    if ( arguments.length > 2 && params.constructor != Array  ) {
        params = $.makeArray(arguments).slice(1);
    }
    if ( params.constructor != Array ) {
        params = [ params ];
    }
    $.each(params, function(i, n) {
        source = source.replace(new RegExp("\{" + i + "\}", "g"), n);
    });
    return source;
};

$.extend($.validator, {
    
    defaults: {
        messages: {},
        groups: {},
        rules: {},
        errorClass: "error",
        validClass: "valid",
        errorElement: "label",
        focusInvalid: true,
        errorContainer: $( [] ),
        errorLabelContainer: $( [] ),
        onsubmit: true,
        ignore: [],
        ignoreTitle: false,
        onfocusin: function(element) {
            this.lastActive = element;
                
            // hide error label and remove error class on focus if enabled
            if ( this.settings.focusCleanup && !this.blockFocusCleanup ) {
                this.settings.unhighlight && this.settings.unhighlight.call( this, element, this.settings.errorClass, this.settings.validClass );
                this.errorsFor(element).hide();
            }
        },
        onfocusout: function(element) {
            if ( !this.checkable(element) && (element.name in this.submitted || !this.optional(element)) ) {
                this.element(element);
            }
        },
        onkeyup: function(element) {
            if ( element.name in this.submitted || element == this.lastElement ) {
                this.element(element);
            }
        },
        onclick: function(element) {
            // click on selects, radiobuttons and checkboxes
            if ( element.name in this.submitted )
                this.element(element);
            // or option elements, check parent select in that case
            else if (element.parentNode.name in this.submitted)
                this.element(element.parentNode);
        },
        highlight: function( element, errorClass, validClass ) {
            $(element).addClass(errorClass).removeClass(validClass);
        },
        unhighlight: function( element, errorClass, validClass ) {
            $(element).removeClass(errorClass).addClass(validClass);
        }
    },

    // http://docs.jquery.com/Plugins/Validation/Validator/setDefaults
    setDefaults: function(settings) {
        $.extend( $.validator.defaults, settings );
    },

    messages: {
        required: "This field is required.",
        remote: "Please fix this field.",
        email: "Please enter a valid email address.",
        url: "Please enter a valid URL.",
        date: "Please enter a valid date.",
        dateISO: "Please enter a valid date (ISO).",
        number: "Please enter a valid number.",
        telnumber:"Please enter a valid number.",
        digits: "Please enter only digits.",
        creditcard: "Please enter a valid credit card number.",
        equalTo: "Please enter the same value again.",
        accept: "Please enter a value with a valid extension.",
        maxlength: $.validator.format("Please enter no more than {0} characters."),
        minlength: $.validator.format("Please enter at least {0} characters."),
        rangelength: $.validator.format("Please enter a value between {0} and {1} characters long."),
        range: $.validator.format("Please enter a value between {0} and {1}."),
        max: $.validator.format("Please enter a value less than or equal to {0}."),
        min: $.validator.format("Please enter a value greater than or equal to {0}.")
    },
    
    autoCreateRanges: false,
    
    prototype: {
        
        init: function() {
            this.labelContainer = $(this.settings.errorLabelContainer);
            this.errorContext = this.labelContainer.length && this.labelContainer || $(this.currentForm);
            this.containers = $(this.settings.errorContainer).add( this.settings.errorLabelContainer );
            this.submitted = {};
            this.valueCache = {};
            this.pendingRequest = 0;
            this.pending = {};
            this.invalid = {};
            this.reset();
            
            var groups = (this.groups = {});
            $.each(this.settings.groups, function(key, value) {
                $.each(value.split(/s/), function(index, name) {
                    groups[name] = key;
                });
            });
            var rules = this.settings.rules;
            $.each(rules, function(key, value) {
                rules[key] = $.validator.normalizeRule(value);
            });
            
            function delegate(event) {
                var validator = $.data(this[0].form, "validator"),
                    eventType = "on" + event.type.replace(/^validate/, "");
                validator.settings[eventType] && validator.settings[eventType].call(validator, this[0] );
            }
            $(this.currentForm)
                .validateDelegate(":text, :password, :file, select, textarea", "focusin focusout keyup", delegate)
                .validateDelegate(":radio, :checkbox, select, option", "click", delegate);

            if (this.settings.invalidHandler)
                $(this.currentForm).bind("invalid-form.validate", this.settings.invalidHandler);
        },

        // http://docs.jquery.com/Plugins/Validation/Validator/form
        form: function() {
            this.checkForm();
            $.extend(this.submitted, this.errorMap);
            this.invalid = $.extend({}, this.errorMap);
            if (!this.valid())
                $(this.currentForm).triggerHandler("invalid-form", [this]);
            this.showErrors();
            return this.valid();
        },
        
        checkForm: function() {
            this.prepareForm();
            for ( var i = 0, elements = (this.currentElements = this.elements()); elements[i]; i++ ) {
                this.check( elements[i] );
            }
            return this.valid(); 
        },
        
        // http://docs.jquery.com/Plugins/Validation/Validator/element
        element: function( element ) {
            element = this.clean( element );
            this.lastElement = element;
            this.prepareElement( element );
            this.currentElements = $(element);
            var result = this.check( element );
            if ( result ) {
                delete this.invalid[element.name];
            } else {
                this.invalid[element.name] = true;
            }
            if ( !this.numberOfInvalids() ) {
                // Hide error containers on last error
                this.toHide = this.toHide.add( this.containers );
            }
            this.showErrors();
            return result;
        },

        // http://docs.jquery.com/Plugins/Validation/Validator/showErrors
        showErrors: function(errors) {
            if(errors) {
                // add items to error list and map
                $.extend( this.errorMap, errors );
                this.errorList = [];
                for ( var name in errors ) {
                    this.errorList.push({
                        message: errors[name],
                        element: this.findByName(name)[0]
                    });
                }
                // remove items from success list
                this.successList = $.grep( this.successList, function(element) {
                    return !(element.name in errors);
                });
            }
            this.settings.showErrors
                ? this.settings.showErrors.call( this, this.errorMap, this.errorList )
                : this.defaultShowErrors();
        },
        
        // http://docs.jquery.com/Plugins/Validation/Validator/resetForm
        resetForm: function() {
            if ( $.fn.resetForm )
                $( this.currentForm ).resetForm();
            this.submitted = {};
            this.prepareForm();
            this.hideErrors();
            this.elements().removeClass( this.settings.errorClass );
        },
        
        numberOfInvalids: function() {
            return this.objectLength(this.invalid);
        },
        
        objectLength: function( obj ) {
            var count = 0;
            for ( var i in obj )
                count++;
            return count;
        },
        
        hideErrors: function() {
            this.addWrapper( this.toHide ).hide();
        },
        
        valid: function() {
            return this.size() == 0;
        },
        
        size: function() {
            return this.errorList.length;
        },
        
        focusInvalid: function() {
            if( this.settings.focusInvalid ) {
                try {
                    $(this.findLastActive() || this.errorList.length && this.errorList[0].element || [])
                    .filter(":visible")
                    .focus()
                    // manually trigger focusin event; without it, focusin handler isn't called, findLastActive won't have anything to find
                    .trigger("focusin");
                } catch(e) {
                    // ignore IE throwing errors when focusing hidden elements
                }
            }
        },
        
        findLastActive: function() {
            var lastActive = this.lastActive;
            return lastActive && $.grep(this.errorList, function(n) {
                return n.element.name == lastActive.name;
            }).length == 1 && lastActive;
        },
        
        elements: function() {
            var validator = this,
                rulesCache = {};
            
            // select all valid inputs inside the form (no submit or reset buttons)
            // workaround $Query([]).add until http://dev.jquery.com/ticket/2114 is solved
            return $([]).add(this.currentForm.elements)
            .filter(":input")
            .not(":submit, :reset, :image, [disabled]")
            .not( this.settings.ignore )
            .filter(function() {
                !this.name && validator.settings.debug && window.console && console.error( "%o has no name assigned", this);
            
                // select only the first element for each name, and only those with rules specified
                if ( this.name in rulesCache || !validator.objectLength($(this).rules()) )
                    return false;
                
                rulesCache[this.name] = true;
                return true;
            });
        },
        
        clean: function( selector ) {
            return $( selector )[0];
        },
        
        errors: function() {
            return $( this.settings.errorElement + "." + this.settings.errorClass, this.errorContext );
        },
        
        reset: function() {
            this.successList = [];
            this.errorList = [];
            this.errorMap = {};
            this.toShow = $([]);
            this.toHide = $([]);
            this.currentElements = $([]);
        },
        
        prepareForm: function() {
            this.reset();
            this.toHide = this.errors().add( this.containers );
        },
        
        prepareElement: function( element ) {
            this.reset();
            this.toHide = this.errorsFor(element);
        },
    
        check: function( element ) {
            element = this.clean( element );
            
            // if radio/checkbox, validate first element in group instead
            if (this.checkable(element)) {
                element = this.findByName( element.name )[0];
            }
            
            var rules = $(element).rules();
            var dependencyMismatch = false;
            for( method in rules ) {
                var rule = { method: method, parameters: rules[method] };
                try {
                    var result = $.validator.methods[method].call( this, element.value.replace(/
/g, ""), element, rule.parameters );
                    
                    // if a method indicates that the field is optional and therefore valid,
                    // don't mark it as valid when there are no other rules
                    if ( result == "dependency-mismatch" ) {
                        dependencyMismatch = true;
                        continue;
                    }
                    dependencyMismatch = false;
                    
                    if ( result == "pending" ) {
                        this.toHide = this.toHide.not( this.errorsFor(element) );
                        return;
                    }
                    
                    if( !result ) {
                        this.formatAndAdd( element, rule );
                        return false;
                    }
                } catch(e) {
                    this.settings.debug && window.console && console.log("exception occured when checking element " + element.id
                         + ", check the '" + rule.method + "' method", e);
                    throw e;
                }
            }
            if (dependencyMismatch)
                return;
            if ( this.objectLength(rules) )
                this.successList.push(element);
            return true;
        },
        
        // return the custom message for the given element and validation method
        // specified in the element's "messages" metadata
        customMetaMessage: function(element, method) {
            if (!$.metadata)
                return;
            
            var meta = this.settings.meta
                ? $(element).metadata()[this.settings.meta]
                : $(element).metadata();
            
            return meta && meta.messages && meta.messages[method];
        },
        
        // return the custom message for the given element name and validation method
        customMessage: function( name, method ) {
            var m = this.settings.messages[name];
            return m && (m.constructor == String
                ? m
                : m[method]);
        },
        
        // return the first defined argument, allowing empty strings
        findDefined: function() {
            for(var i = 0; i < arguments.length; i++) {
                if (arguments[i] !== undefined)
                    return arguments[i];
            }
            return undefined;
        },
        
        defaultMessage: function( element, method) {
            return this.findDefined(
                this.customMessage( element.name, method ),
                this.customMetaMessage( element, method ),
                // title is never undefined, so handle empty string as undefined
                !this.settings.ignoreTitle && element.title || undefined,
                $.validator.messages[method],
                "<strong>Warning: No message defined for " + element.name + "</strong>"
            );
        },
        
        formatAndAdd: function( element, rule ) {
            var message = this.defaultMessage( element, rule.method ),
                theregex = /$?{(d+)}/g;
            if ( typeof message == "function" ) {
                message = message.call(this, rule.parameters, element);
            } else if (theregex.test(message)) {
                message = jQuery.format(message.replace(theregex, '{$1}'), rule.parameters);
            }            
            this.errorList.push({
                message: message,
                element: element
            });
            
            this.errorMap[element.name] = message;
            this.submitted[element.name] = message;
        },
        
        addWrapper: function(toToggle) {
            if ( this.settings.wrapper )
                toToggle = toToggle.add( toToggle.parent( this.settings.wrapper ) );
            return toToggle;
        },
        
        defaultShowErrors: function() {
            for ( var i = 0; this.errorList[i]; i++ ) {
                var error = this.errorList[i];
                this.settings.highlight && this.settings.highlight.call( this, error.element, this.settings.errorClass, this.settings.validClass );
                this.showLabel( error.element, error.message );
            }
            if( this.errorList.length ) {
                this.toShow = this.toShow.add( this.containers );
            }
            if (this.settings.success) {
                for ( var i = 0; this.successList[i]; i++ ) {
                    this.showLabel( this.successList[i] );
                }
            }
            if (this.settings.unhighlight) {
                for ( var i = 0, elements = this.validElements(); elements[i]; i++ ) {
                    this.settings.unhighlight.call( this, elements[i], this.settings.errorClass, this.settings.validClass );
                }
            }
            this.toHide = this.toHide.not( this.toShow );
            this.hideErrors();
            this.addWrapper( this.toShow ).show();
        },
        
        validElements: function() {
            return this.currentElements.not(this.invalidElements());
        },
        
        invalidElements: function() {
            return $(this.errorList).map(function() {
                return this.element;
            });
        },
        
        showLabel: function(element, message) {
            var label = this.errorsFor( element );
            if ( label.length ) {
                // refresh error/success class
                label.removeClass().addClass( this.settings.errorClass );
            
                // check if we have a generated label, replace the message then
                label.attr("generated") && label.html(message);
            } else {
                // create label
                label = $("<" + this.settings.errorElement + "/>")
                    .attr({"for":  this.idOrName(element), generated: true})
                    .addClass(this.settings.errorClass)
                    .html(message || "");
                if ( this.settings.wrapper ) {
                    // make sure the element is visible, even in IE
                    // actually showing the wrapped element is handled elsewhere
                    label = label.hide().show().wrap("<" + this.settings.wrapper + "/>").parent();
                }
                if ( !this.labelContainer.append(label).length )
                    this.settings.errorPlacement
                        ? this.settings.errorPlacement(label, $(element) )
                        : label.insertAfter(element);
            }
            if ( !message && this.settings.success ) {
                label.text("");
                typeof this.settings.success == "string"
                    ? label.addClass( this.settings.success )
                    : this.settings.success( label );
            }
            this.toShow = this.toShow.add(label);
        },
        
        errorsFor: function(element) {
            var name = this.idOrName(element);
            return this.errors().filter(function() {
                return $(this).attr('for') == name;
            });
        },
        
        idOrName: function(element) {
            return this.groups[element.name] || (this.checkable(element) ? element.name : element.id || element.name);
        },

        checkable: function( element ) {
            return /radio|checkbox/i.test(element.type);
        },
        
        findByName: function( name ) {
            // select by name and filter by form for performance over form.find("[name=...]")
            var form = this.currentForm;
            return $(document.getElementsByName(name)).map(function(index, element) {
                return element.form == form && element.name == name && element  || null;
            });
        },
        
        getLength: function(value, element) {
            switch( element.nodeName.toLowerCase() ) {
            case 'select':
                return $("option:selected", element).length;
            case 'input':
                if( this.checkable( element) )
                    return this.findByName(element.name).filter(':checked').length;
            }
            return value.length;
        },
    
        depend: function(param, element) {
            return this.dependTypes[typeof param]
                ? this.dependTypes[typeof param](param, element)
                : true;
        },
    
        dependTypes: {
            "boolean": function(param, element) {
                return param;
            },
            "string": function(param, element) {
                return !!$(param, element.form).length;
            },
            "function": function(param, element) {
                return param(element);
            }
        },
        
        optional: function(element) {
            return !$.validator.methods.required.call(this, $.trim(element.value), element) && "dependency-mismatch";
        },
        
        startRequest: function(element) {
            if (!this.pending[element.name]) {
                this.pendingRequest++;
                this.pending[element.name] = true;
            }
        },
        
        stopRequest: function(element, valid) {
            this.pendingRequest--;
            // sometimes synchronization fails, make sure pendingRequest is never < 0
            if (this.pendingRequest < 0)
                this.pendingRequest = 0;
            delete this.pending[element.name];
            if ( valid && this.pendingRequest == 0 && this.formSubmitted && this.form() ) {
                $(this.currentForm).submit();
                this.formSubmitted = false;
            } else if (!valid && this.pendingRequest == 0 && this.formSubmitted) {
                $(this.currentForm).triggerHandler("invalid-form", [this]);
                this.formSubmitted = false;
            }
        },
        
        previousValue: function(element) {
            return $.data(element, "previousValue") || $.data(element, "previousValue", {
                old: null,
                valid: true,
                message: this.defaultMessage( element, "remote" )
            });
        }
        
    },
    
    classRuleSettings: {
        required: {required: true},
        email: {email: true},
        url: {url: true},
        date: {date: true},
        dateISO: {dateISO: true},
        dateDE: {dateDE: true},
        number: {number: true},
        telnumber: {telnumber: true},
        numberDE: {numberDE: true},
        digits: {digits: true},
        creditcard: {creditcard: true}
    },
    
    addClassRules: function(className, rules) {
        className.constructor == String ?
            this.classRuleSettings[className] = rules :
            $.extend(this.classRuleSettings, className);
    },
    
    classRules: function(element) {
        var rules = {};
        var classes = $(element).attr('class');
        classes && $.each(classes.split(' '), function() {
            if (this in $.validator.classRuleSettings) {
                $.extend(rules, $.validator.classRuleSettings[this]);
            }
        });
        return rules;
    },
    
    attributeRules: function(element) {
        var rules = {};
        var $element = $(element);
        
        for (method in $.validator.methods) {
            var value = $element.attr(method);
            if (value) {
                rules[method] = value;
            }
        }
        
        // maxlength may be returned as -1, 2147483647 (IE) and 524288 (safari) for text inputs
        if (rules.maxlength && /-1|2147483647|524288/.test(rules.maxlength)) {
            delete rules.maxlength;
        }
        
        return rules;
    },
    
    metadataRules: function(element) {
        if (!$.metadata) return {};
        
        var meta = $.data(element.form, 'validator').settings.meta;
        return meta ?
            $(element).metadata()[meta] :
            $(element).metadata();
    },
    
    staticRules: function(element) {
        var rules = {};
        var validator = $.data(element.form, 'validator');
        if (validator.settings.rules) {
            rules = $.validator.normalizeRule(validator.settings.rules[element.name]) || {};
        }
        return rules;
    },
    
    normalizeRules: function(rules, element) {
        // handle dependency check
        $.each(rules, function(prop, val) {
            // ignore rule when param is explicitly false, eg. required:false
            if (val === false) {
                delete rules[prop];
                return;
            }
            if (val.param || val.depends) {
                var keepRule = true;
                switch (typeof val.depends) {
                    case "string":
                        keepRule = !!$(val.depends, element.form).length;
                        break;
                    case "function":
                        keepRule = val.depends.call(element, element);
                        break;
                }
                if (keepRule) {
                    rules[prop] = val.param !== undefined ? val.param : true;
                } else {
                    delete rules[prop];
                }
            }
        });
        
        // evaluate parameters
        $.each(rules, function(rule, parameter) {
            rules[rule] = $.isFunction(parameter) ? parameter(element) : parameter;
        });
        
        // clean number parameters
        $.each(['minlength', 'maxlength', 'min', 'max'], function() {
            if (rules[this]) {
                rules[this] = Number(rules[this]);
            }
        });
        $.each(['rangelength', 'range'], function() {
            if (rules[this]) {
                rules[this] = [Number(rules[this][0]), Number(rules[this][1])];
            }
        });
        
        if ($.validator.autoCreateRanges) {
            // auto-create ranges
            if (rules.min && rules.max) {
                rules.range = [rules.min, rules.max];
                delete rules.min;
                delete rules.max;
            }
            if (rules.minlength && rules.maxlength) {
                rules.rangelength = [rules.minlength, rules.maxlength];
                delete rules.minlength;
                delete rules.maxlength;
            }
        }
        
        // To support custom messages in metadata ignore rule methods titled "messages"
        if (rules.messages) {
            delete rules.messages;
        }
        
        return rules;
    },
    
    // Converts a simple string to a {string: true} rule, e.g., "required" to {required:true}
    normalizeRule: function(data) {
        if( typeof data == "string" ) {
            var transformed = {};
            $.each(data.split(/s/), function() {
                transformed[this] = true;
            });
            data = transformed;
        }
        return data;
    },
    
    // http://docs.jquery.com/Plugins/Validation/Validator/addMethod
    addMethod: function(name, method, message) {
        $.validator.methods[name] = method;
        $.validator.messages[name] = message != undefined ? message : $.validator.messages[name];
        if (method.length < 3) {
            $.validator.addClassRules(name, $.validator.normalizeRule(name));
        }
    },

    methods: {

        // http://docs.jquery.com/Plugins/Validation/Methods/required
        required: function(value, element, param) {
            // check if dependency is met
            if ( !this.depend(param, element) )
                return "dependency-mismatch";
            switch( element.nodeName.toLowerCase() ) {
            case 'select':
                // could be an array for select-multiple or a string, both are fine this way
                var val = $(element).val();
                return val && val.length > 0;
            case 'input':
                if ( this.checkable(element) )
                    return this.getLength(value, element) > 0;
            default:
                return $.trim(value).length > 0;
            }
        },
        
        // http://docs.jquery.com/Plugins/Validation/Methods/remote
        remote: function(value, element, param) {
            if ( this.optional(element) )
                return "dependency-mismatch";
            
            var previous = this.previousValue(element);
            if (!this.settings.messages[element.name] )
                this.settings.messages[element.name] = {};
            previous.originalMessage = this.settings.messages[element.name].remote;
            this.settings.messages[element.name].remote = previous.message;
            
            param = typeof param == "string" && {url:param} || param; 
            
            if ( previous.old !== value ) {
                previous.old = value;
                var validator = this;
                this.startRequest(element);
                var data = {};
                data[element.name] = value;
                $.ajax($.extend(true, {
                    url: param,
                    mode: "abort",
                    port: "validate" + element.name,
                    dataType: "json",
                    data: data,
                    success: function(response) {
                        validator.settings.messages[element.name].remote = previous.originalMessage;
                        var valid = response === true;
                        if ( valid ) {
                            var submitted = validator.formSubmitted;
                            validator.prepareElement(element);
                            validator.formSubmitted = submitted;
                            validator.successList.push(element);
                            validator.showErrors();
                        } else {
                            var errors = {};
                            var message = (previous.message = response || validator.defaultMessage( element, "remote" ));
                            errors[element.name] = $.isFunction(message) ? message(value) : message;
                            validator.showErrors(errors);
                        }
                        previous.valid = valid;
                        validator.stopRequest(element, valid);
                    }
                }, param));
                return "pending";
            } else if( this.pending[element.name] ) {
                return "pending";
            }
            return previous.valid;
        },

        // http://docs.jquery.com/Plugins/Validation/Methods/minlength
        minlength: function(value, element, param) {
            return this.optional(element) || this.getLength($.trim(value), element) >= param;
        },
        
        // http://docs.jquery.com/Plugins/Validation/Methods/maxlength
        maxlength: function(value, element, param) {
            return this.optional(element) || this.getLength($.trim(value), element) <= param;
        },
        
        // http://docs.jquery.com/Plugins/Validation/Methods/rangelength
        rangelength: function(value, element, param) {
            var length = this.getLength($.trim(value), element);
            return this.optional(element) || ( length >= param[0] && length <= param[1] );
        },
        
        // http://docs.jquery.com/Plugins/Validation/Methods/min
        min: function( value, element, param ) {
            return this.optional(element) || value >= param;
        },
        
        // http://docs.jquery.com/Plugins/Validation/Methods/max
        max: function( value, element, param ) {
            return this.optional(element) || value <= param;
        },
        
        // http://docs.jquery.com/Plugins/Validation/Methods/range
        range: function( value, element, param ) {
            return this.optional(element) || ( value >= param[0] && value <= param[1] );
        },
        
        // http://docs.jquery.com/Plugins/Validation/Methods/email
        email: function(value, element) {
            // contributed by Scott Gonzalez: http://projects.scottsplayground.com/email_address_validation/
            return this.optional(element) || /^((([a-z]|d|[!#$%&'*+-/=?^_`{|}~]|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF])+(.([a-z]|d|[!#$%&'*+-/=?^_`{|}~]|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF])+)*)|((x22)((((x20|x09)*(x0dx0a))?(x20|x09)+)?(([x01-x08x0bx0cx0e-x1fx7f]|x21|[x23-x5b]|[x5d-x7e]|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF])|(\([x01-x09x0bx0cx0d-x7f]|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF]))))*(((x20|x09)*(x0dx0a))?(x20|x09)+)?(x22)))@((([a-z]|d|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF])|(([a-z]|d|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF])([a-z]|d|-|.|_|~|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF])*([a-z]|d|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF]))).)+(([a-z]|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF])|(([a-z]|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF])([a-z]|d|-|.|_|~|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF])*([a-z]|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF]))).?$/i.test(value);
        },
    
        // http://docs.jquery.com/Plugins/Validation/Methods/url
        url: function(value, element) {
            // contributed by Scott Gonzalez: http://projects.scottsplayground.com/iri/
            return this.optional(element) || /^(https?|ftp)://(((([a-z]|d|-|.|_|~|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF])|(%[da-f]{2})|[!$&'()*+,;=]|:)*@)?(((d|[1-9]d|1dd|2[0-4]d|25[0-5]).(d|[1-9]d|1dd|2[0-4]d|25[0-5]).(d|[1-9]d|1dd|2[0-4]d|25[0-5]).(d|[1-9]d|1dd|2[0-4]d|25[0-5]))|((([a-z]|d|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF])|(([a-z]|d|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF])([a-z]|d|-|.|_|~|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF])*([a-z]|d|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF]))).)+(([a-z]|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF])|(([a-z]|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF])([a-z]|d|-|.|_|~|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF])*([a-z]|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF]))).?)(:d*)?)(/((([a-z]|d|-|.|_|~|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF])|(%[da-f]{2})|[!$&'()*+,;=]|:|@)+(/(([a-z]|d|-|.|_|~|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF])|(%[da-f]{2})|[!$&'()*+,;=]|:|@)*)*)?)?(?((([a-z]|d|-|.|_|~|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF])|(%[da-f]{2})|[!$&'()*+,;=]|:|@)|[uE000-uF8FF]|/|?)*)?(#((([a-z]|d|-|.|_|~|[u00A0-uD7FFuF900-uFDCFuFDF0-uFFEF])|(%[da-f]{2})|[!$&'()*+,;=]|:|@)|/|?)*)?$/i.test(value);
        },
        
        // http://docs.jquery.com/Plugins/Validation/Methods/date
        date: function(value, element) {
            return this.optional(element) || !/Invalid|NaN/.test(new Date(value));
        },
    
        // http://docs.jquery.com/Plugins/Validation/Methods/dateISO
        dateISO: function(value, element) {
            return this.optional(element) || /^d{4}[/-]d{1,2}[/-]d{1,2}$/.test(value);
        },
    
        // http://docs.jquery.com/Plugins/Validation/Methods/number
        number: function(value, element) {
            return this.optional(element) || /^-?(?:d+|d{1,3}(?:,d{3})+)(?:.d+)?$/.test(value);
        },
        // http://docs.jquery.com/Plugins/Validation/Methods/telnumber
        telnumber: function(value, element) {
            return this.optional(element) || /^1[3|4|5|8][0-9]d{4,8}$/.test(value);
        },
    
        // http://docs.jquery.com/Plugins/Validation/Methods/digits
        digits: function(value, element) {
            return this.optional(element) || /^d+$/.test(value);
        },
        
        // http://docs.jquery.com/Plugins/Validation/Methods/creditcard
        // based on http://en.wikipedia.org/wiki/Luhn
        creditcard: function(value, element) {
            if ( this.optional(element) )
                return "dependency-mismatch";
            // accept only digits and dashes
            if (/[^0-9-]+/.test(value))
                return false;
            var nCheck = 0,
                nDigit = 0,
                bEven = false;

            value = value.replace(/D/g, "");

            for (var n = value.length - 1; n >= 0; n--) {
                var cDigit = value.charAt(n);
                var nDigit = parseInt(cDigit, 10);
                if (bEven) {
                    if ((nDigit *= 2) > 9)
                        nDigit -= 9;
                }
                nCheck += nDigit;
                bEven = !bEven;
            }

            return (nCheck % 10) == 0;
        },
        
        // http://docs.jquery.com/Plugins/Validation/Methods/accept
        accept: function(value, element, param) {
            param = typeof param == "string" ? param.replace(/,/g, '|') : "png|jpe?g|gif";
            return this.optional(element) || value.match(new RegExp(".(" + param + ")$", "i")); 
        },
        
        // http://docs.jquery.com/Plugins/Validation/Methods/equalTo
        equalTo: function(value, element, param) {
            // bind to the blur event of the target in order to revalidate whenever the target field is updated
            // TODO find a way to bind the event just once, avoiding the unbind-rebind overhead
            var target = $(param).unbind(".validate-equalTo").bind("blur.validate-equalTo", function() {
                $(element).valid();
            });
            return value == target.val();
        }
        
    }
    
});

// deprecated, use $.validator.format instead
$.format = $.validator.format;

})(jQuery);

// ajax mode: abort
// usage: $.ajax({ mode: "abort"[, port: "uniqueport"]});
// if mode:"abort" is used, the previous request on that port (port can be undefined) is aborted via XMLHttpRequest.abort() 
;(function($) {
    var ajax = $.ajax;
    var pendingRequests = {};
    $.ajax = function(settings) {
        // create settings for compatibility with ajaxSetup
        settings = $.extend(settings, $.extend({}, $.ajaxSettings, settings));
        var port = settings.port;
        if (settings.mode == "abort") {
            if ( pendingRequests[port] ) {
                pendingRequests[port].abort();
            }
            return (pendingRequests[port] = ajax.apply(this, arguments));
        }
        return ajax.apply(this, arguments);
    };
})(jQuery);

// provides cross-browser focusin and focusout events
// IE has native support, in other browsers, use event caputuring (neither bubbles)

// provides delegate(type: String, delegate: Selector, handler: Callback) plugin for easier event delegation
// handler is only called when $(event.target).is(delegate), in the scope of the jquery-object for event.target 
;(function($) {
    // only implement if not provided by jQuery core (since 1.4)
    // TODO verify if jQuery 1.4's implementation is compatible with older jQuery special-event APIs
    if (!jQuery.event.special.focusin && !jQuery.event.special.focusout && document.addEventListener) {
        $.each({
            focus: 'focusin',
            blur: 'focusout'    
        }, function( original, fix ){
            $.event.special[fix] = {
                setup:function() {
                    this.addEventListener( original, handler, true );
                },
                teardown:function() {
                    this.removeEventListener( original, handler, true );
                },
                handler: function(e) {
                    arguments[0] = $.event.fix(e);
                    arguments[0].type = fix;
                    return $.event.handle.apply(this, arguments);
                }
            };
            function handler(e) {
                e = $.event.fix(e);
                e.type = fix;
                return $.event.handle.call(this, e);
            }
        });
    };
    $.extend($.fn, {
        validateDelegate: function(delegate, type, handler) {
            return this.bind(type, function(event) {
                var target = $(event.target);
                if (target.is(delegate)) {
                    return handler.apply(target, arguments);
                }
            });
        }
    });
})(jQuery);

View Code

jquery.validate.messages_cn.js:

/*
 * Translated default messages for the jQuery validation plugin.
 * Language: CN
 * Author: Fayland Lam <fayland at gmail dot com>
 */
jQuery.extend(jQuery.validator.messages, {
        required: "必选字段",
        remote: "请修正该字段",
        email: "请输入正确格式的电子邮件",
        url: "请输入合法的网址",
        date: "请输入合法的日期",
        dateISO: "请输入合法的日期 (ISO).",
        number: "请输入合法的数字",
        telnumber: "请输入正确的手机号",
        digits: "只能输入整数",
        creditcard: "请输入合法的信用卡号",
        equalTo: "请再次输入相同的值",
        accept: "请输入拥有合法后缀名的字符串",
        maxlength: jQuery.format("请输入一个长度最多是 {0} 的字符串"),
        minlength: jQuery.format("请输入一个长度最少是 {0} 的字符串"),
        rangelength: jQuery.format("请输入一个长度介于 {0} 和 {1} 之间的字符串"),
        range: jQuery.format("请输入一个介于 {0} 和 {1} 之间的值"),
        max: jQuery.format("请输入一个最大为 {0} 的值"),
        min: jQuery.format("请输入一个最小为 {0} 的值")
});

View Code

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原文地址：https://www.cnblogs.com/zhangruiyun/p/3955711.html