validation js表单验证

/* * JavaScript Validation Framework * * Author: Michael Chen(mechiland) on 2004/03 * This software is on the http://www.cosoft.org.cn/projects/jsvalidation * for update, bugfix, etc, you can goto the homepage and submit your request * and question. * Apache License 2.0 * You should use this software under the terms. * * Please, please keep above words. At least ,please make a note that such as * "This software developed by Michael Chen(http://www.jzchen.net)" . * $Id: validation-framework.js,v 1.7 2004/04/30 05:33:29 jzchen Exp $ */ /** Config Section, Config these fields to make this framework work. **/ // If there is only one config file in your system, use this property. otherwise, use // ValidationFramework.init("configfile") // instead. var ValidationRoot = "/ggcostc/js/"; // the field style when validation fails. it aim to provide more beautiful UI and more good // experience to the end-user. // NOTE: this will be buggy. Please report the error to me. var ValidationFailCssStyle = "border:2px solid #FFCC88;"; //Validation function. The entry point of the framework. function doValidate(formRef) { try { var formId = formRef; if (typeof (formRef) == "string") { formId = formRef; } else if (typeof (formRef) == "object") { formId = formRef.getAttribute("id"); } var form = FormFactory.getFormFromId(formId); if (form != null) { return ValidationFramework.validateForm(form); } else { return false; } } catch (e) { ValidationFramework.exception(e.name+":" +e.description); return false; } } /**===================================================================**/ /* * JSValidation Framework Code Started * * Please do not modify the code unless you are very familiar with JavaScript. * The best way to solve problem is report the problem to our project page. * url: http://cosoft.org.cn/projects/jsvalidation */ // The Xml document. To process cross-browser. Thanks Eric. function XmlDocument() {} XmlDocument.create = function () { if (document.implementation && document.implementation.createDocument) { return document.implementation.createDocument("", "", null); } else if (window.ActiveXObject) { try { var prefix = ["MSXML2", "MSXML", "Microsoft", "MSXML3"]; for (var i = 0; i < prefix.length; i++) { //return new ActiveXObject(prefix[i] + ".DomDocument"); var obj = new ActiveXObject(prefix[i] + ".DomDocument"); if (obj == null || typeof(obj) == 'undefined') { continue; } else { return obj; } } } catch (e) { //^_^ throw new Error("My God, What version of IE are you using? IE5&+ is requiered."); } } else throw new Error("Cannot create DOM Document!"); } function ValidationFramework() {} ValidationFramework._validationCache = null; ValidationFramework._currentForm = null; ValidationFramework._userLanguage="auto"; /** * Validate a form. * NOTE: the form is Framework virture form, not the HTML Form. * Html Form can be transform to Virture form by * FormFactory.getFormFromId(htmlFormId); * See the doc for more information. * @param form the virtual form. */ ValidationFramework.validateForm = function(fform) { ValidationFramework._currentForm = fform; var failFields = []; var id = fform.getId(); var showError = fform.getShowError(); var showType = fform.getShowType(); var br = null; if (showError != "alert") { br = "<br />"; } else { br = "\n"; } var errorStrArray = []; var ret = false; var formObj = document.getElementById(id); var fields = fform.getFields(); var rightnum = 0; for (var i = 0; i < fields.length; i++) { var retVal = ValidationFramework.validateField(fields[i]); var fo=formObj[fields[i].getName()]; if (typeof (fo) !='undefined' && fo != null && typeof(fo.type) != "undefined") { fo.style.cssText = ""; } if (retVal != "OK") { errorStrArray[errorStrArray.length] = retVal; failFields[failFields.length] = formObj[fields[i].getName()]; } else { rightnum ++; } } if (rightnum == fields.length) { ret = true; } if (errorStrArray.length > 0) { if (showError == "alert") { if (showType == "first") { alert(errorStrArray[0]); } else { alert(errorStrArray.join(br)); } } else { var errObj = document.getElementById(showError); if (showType == "first") { errObj.innerHTML = errorStrArray[0]; } else { errObj.innerHTML = errorStrArray.join(br); } } if (typeof (failFields[0]) !='undefined' && failFields[0] != null && typeof(failFields[0].type) != "undefined") { failFields[0].focus(); } for (var i = 0; i < failFields.length; i++) { var o = failFields[i]; if ( typeof (o) !='undefined' && o != null && typeof(o.type) != "undefined") { o.style.cssText = ValidationFailCssStyle; } } } return ret; } /** * Validation the field * @param filed the field you want to validate. */ ValidationFramework.validateField = function(field) { var depends = field.getDepends(); var retStr = "OK"; for (var i = 0; i < depends.length; i++) { if (!ValidationFramework.validateDepend(field, depends[i])) { retStr = ValidationFramework.getErrorString(field, depends[i]); return retStr; //Break; } } return retStr; } /** * Validate the field depend. * This function dispatch the various depends into ValidateMethodFactory.validateXXX */ ValidationFramework.validateDepend = function(field, depend) { if (depend.getName() == "required") { return ValidateMethodFactory.validateRequired(field, depend.getParams()); } else if (depend.getName() == "integer") { return ValidateMethodFactory.validateInteger(field, depend.getParams()); } else if (depend.getName() == "double") { return ValidateMethodFactory.validateDouble(field, depend.getParams()); } else if (depend.getName() == "commonChar") { return ValidateMethodFactory.validateCommonChar(field, depend.getParams()); } else if (depend.getName() == "chineseChar") { return ValidateMethodFactory.validateChineseChar(field, depend.getParams()); } else if (depend.getName() == "minLength") { return ValidateMethodFactory.validateMinLength(field, depend.getParams()); } else if (depend.getName() == "maxLength") { return ValidateMethodFactory.validateMaxLength(field, depend.getParams()); } else if (depend.getName() == "email") { return ValidateMethodFactory.validateEmail(field, depend.getParams()); } else if (depend.getName() == "date") { return ValidateMethodFactory.validateDate(field, depend.getParams()); } else if (depend.getName() == "time") { return ValidateMethodFactory.validateTime(field, depend.getParams()); } else if (depend.getName() == "mask") { return ValidateMethodFactory.validateMask(field, depend.getParams()); } else if (depend.getName() == "integerRange") { return ValidateMethodFactory.validateIntegerRange(field, depend.getParams()); } else if (depend.getName() == "doubleRange") { return ValidateMethodFactory.validateDoubleRange(field, depend.getParams()); } else if (depend.getName() == "equalsField") { return ValidateMethodFactory.validateEqualsField(field, depend.getParams()); } else { ValidationFramework.exception("don't support�� " + depend.getName()); return false; } } // hold the current config file var _validationConfigFile = ""; ValidationFramework.getDocumentElement = function() { if (ValidationFramework._validationCache != null) { return ValidationFramework._validationCache; } var file = ""; if (_validationConfigFile != "") { file = _validationConfigFile; } else { file = ValidationRoot + "validation-config.xml"; } var xmlDoc = XmlDocument.create(); xmlDoc.async = false; // Damn!!! it cost me half an hour to fix it! xmlDoc.lo