怎么样能够在HTML页面中输入验证？
Function.registerNamespace("net.bingosoft.web");
net.bingosoft.web.Validators=function(containers){
var_containers=containers?containers:document.body;var_self=this;var_errmsg="";
if(!(_containersinstanceofArray)){_containers=[_containers];
}this.attach=function(){if(arguments.length>0){_self._attach(arguments[0]);}else{_self._attach(_containers);}}this._attach=function(obj){if(!obj)return;if(!(objinstanceofArray))obj=[obj];for(vari=0;i<obj.length;i++){varcontainer=obj[i];if(container.validator){container.style.backgroundColor="#DDEEFF";_self._attachEvents(container);}if(container.childNodes)for(varj=0;j<container.childNodes.length;j++){varchild=container.childNodes[j];_self._attach(child);}}}this._attachEvents=function(obj){varvalidatorNames=(obj.validator.trim()).split(/s*,s*/g);varlen=validatorNames.length;for(vari=len-1;i>=0;i--){varvalidatorName=validatorNames[i].toLowerCase();varvaliatorTypeName=_self._upperFirstLetter(validatorName)+"Validator";varnamespace=typeof(obj.vnamespace)=='undefined'?"net.bingosoft.web":obj.vnamespace;if(namespace)valiatorTypeName=namespace+"."+valiatorTypeName;varfn=Function.parse(valiatorTypeName);if(!fn){alert('cannotfindvalidator:'+valiatorTypeName);}else{varvalidator=newfn(obj,validatorName);varevents=validator.getEvents();if(events){vararrEvents=events.split(/s*,s*/g);for(varj=0;j<arrEvents.length;j++){obj.attachEvent(arrEvents[j],validator._doValidate);}}}}}this._getNamespace=function(obj,validatorName){varns=validatorName+"_namespace";if(obj[ns])returnobj[ns];if(obj.vnamespace)returnobj.vnamespace;return"net.bingosoft.web";}this._check=function(obj){varvalidatorNames=(obj.validator.trim()).split(/s*,s*/g);varlen=validatorNames.length;for(vari=len-1;i>=0;i--){varvalidatorName=validatorNames[i].toLowerCase();varvaliatorTypeName=_self._upperFirstLetter(validatorName)+"Validator";varnamespace=_self._getNamespace(obj,validatorName);if(namespace)valiatorTypeName=namespace+"."+valiatorTypeName;varfn=Function.parse(valiatorTypeName);if(!fn){alert('cannotfindvalidator:'+valiatorTypeName);}else{varvalidator=newfn(obj,validatorName);if(!validator._doValidate())returnfalse;}}returntrue;}this._upperFirstLetter=function(inputString){if(!inputString)returninputString;varfirst=inputString.substring(0,1).toUpperCase();varleft=inputString.substring(1);returnfirst+left;}this.validate=function(){if(arguments.length>0){_self._validate(arguments[0]);}else{return_self._validate(_containers);}}this._validate=function(obj){if(!obj)returntrue;if(!(objinstanceofArray))obj=[obj];for(vari=0;i<obj.length;i++){varcontainer=obj[i];if(container.validator){if(!_self._check(container))returnfalse;}if(container.childNodes)for(varj=0;j<container.childNodes.length;j++){varchild=container.childNodes[j];if(!_self._validate(child))returnfalse;}}returntrue;}
}net.bingosoft.web.Validators.registerSealedClass("net.bingosoft.web.Validators",null,null);net.bingosoft.web.Validators._attachBodyReadyState=function(){if(document.readyState=="complete"){window.$validator=newnet.bingosoft.web.Validators();window.$validator.attach();}}document.attachEvent("onreadystatechange",net.bingosoft.web.Validators._attachBodyReadyState);/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////{validator}_message//{validator}_namespace//{validator}_events//vmessage//vnamespace//venvents//vrealtimenet.bingosoft.web.Validator=function(element,validatorName){net.bingosoft.web.Validator.initializeBase(this);var_element=element;if(!_element)thrownewError("cannotfoundhtmlelement!");if(!validatorName)thrownewError("cannotfoundparam'validatorName'");if(typeof(_element.validate_next)=='undefined'){_element.validate_next=true;//_element.style.backgroundColor="blue";}var_validatorName=validatorName;本文地址：http://www.45fan.com/dnjc/67081.html