checkform.js

jsp+servlet经典的登录注册

// JavaScript Document
CheckForm = {
	Require : /.+/,
	Email : /^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/,
	Phone : /^((\(\d{3}\))|(\d{3}\-))?(\(0\d{2,3}\)|0\d{2,3}-)?[1-9]\d{6,7}$/,
	Mobile : /^((\(\d{3}\))|(\d{3}\-))?13\d{9}$/,
	Url : /^http:\/\/[A-Za-z0-9]+\.[A-Za-z0-9]+[\/=\?%\-&_~`@[\]\':+!]*([^<>\"\"])*$/,
	IdCard : /^\d{15}(\d{2}[A-Za-z0-9])?$/,
	Currency : /^\d+(\.\d+)?$/,
	Number : /^\d+$/,
	Zip : /^[1-9]\d{5}$/,
	QQ : /^[1-9]\d{4,8}$/,
	Integer : /^[-\+]?\d+$/,
	Double : /^[-\+]?\d+(\.\d+)?$/,
	English : /^[A-Za-z]+$/,
	Chinese : /^[\u0391-\uFFE5]+$/,
	UnSafe : /^(([A-Z]*|[a-z]*|\d*|[-_\~!@#\$%\^&\*\.\(\)\[\]\{\}<>\?\\\/\'\"]*)|.{0,5})$|\s/,
	IsSafe : function(str){return !this.UnSafe.test(str);},
	SafeString : "this.IsSafe(value)",
	Limit : "this.limit(value.length,getAttribute('min'), getAttribute('max'))",
	LimitB : "this.limit(this.LenB(value), getAttribute('min'), getAttribute('max'))",
	Date : "this.IsDate(value, getAttribute('min'), getAttribute('format'))",
	Repeat : "value == document.getElementsByName(getAttribute('to'))[0].value",
	Range : "getAttribute('min') < value && value < getAttribute('max')",
	Compare : "this.compare(value,getAttribute('operator'),getAttribute('to'))",
	Custom : "this.Exec(value, getAttribute('regexp'))",
	Group : "this.MustChecked(getAttribute('name'), getAttribute('min'), getAttribute('max'))",
	ErrorItem : [document.forms[0]],
	ErrorMessage : ["Here the Errors:\t\t\t\t"],

	Check: function(theForm,mode){
		var obj = theForm || event.srcElement;
		var count = obj.elements.length;
		this.ErrorMessage.length = 1;
		this.ErrorItem.length = 1;
		this.ErrorItem[0] = obj;
	for(var i=0;i<count;i++){
		with(obj.elements[i]){
				var _dataType = getAttribute("dataType");
				if(typeof(_dataType) == "object" || typeof(this[_dataType]) == "undefined") continue;
				this.ClearState(obj.elements[i]);
				if(getAttribute("require") == "false" && value == "") continue;
					switch(_dataType){
						case "Date" :
						case "Repeat" :
						case "Range" :
						case "Compare" :
						case "Custom" :
						case "Group" : 
						case "Limit" :
						case "LimitB" :
						case "SafeString" :
				if(!eval(this[_dataType])) {
						this.AddError(i, getAttribute("msg"));
					}
						break;
						default :
						if(!this[_dataType].test(value)){
						this.AddError(i, getAttribute("msg"));
					}
						break;
			}
		}
	}
					if(this.ErrorMessage.length > 1){
							mode = mode || 1;
							var errCount = this.ErrorItem.length;
							switch(mode){
								case 2 :
								for(var i=1;i<errCount;i++)
								this.ErrorItem[i].style.color = "red";
								case 1 :
								alert(this.ErrorMessage.join("\n"));
								this.ErrorItem[1].focus();
								break;
								case 3 :
								for(var i=1;i<errCount;i++){
									try{
										var span = document.createElement("SPAN");
										span.id = "__ErrorMessagePanel";
										span.style.color = "red";
										this.ErrorItem[i].parentNode.appendChild(span);
										span.innerHTML = this.ErrorMessage[i].replace(/\d+:/,"*");
										}
									catch(e){alert(e.description);}
								}
									this.ErrorItem[1].focus();
									break;
									default :
									alert(this.ErrorMessage.join("\n"));
									break;
						}
						return false;
					}
						return true;
					},
								limit : function(len,min, max){
								min = min || 0;
								max = max || Number.MAX_VALUE;
								return min <= len && len <= max;
					},
								LenB : function(str){
								return str.replace(/[^\x00-\xff]/g,"**").length;
					},
								ClearState : function(elem){
								with(elem){
								if(style.color == "red")
								style.color = "";
								var lastNode = parentNode.childNodes[parentNode.childNodes.length-1];
								if(lastNode.id == "__ErrorMessagePanel")
								parentNode.removeChild(lastNode);
					}
				},
								AddError : function(index, str){
								this.ErrorItem[this.ErrorItem.length] = this.ErrorItem[0].elements[index];
								this.ErrorMessage[this.ErrorMessage.length] = this.ErrorMessage.length + ":" + str;
								},
								Exec : function(op, reg){
								return new RegExp(reg,"g").test(op);
							},
								compare : function(op1,operator,op2){
								switch (operator) {
										case "NotEqual":
										return (op1 != op2);
										case "GreaterThan":
										return (op1 > op2);
										case "GreaterThanEqual":
										return (op1 >= op2);
										case "LessThan":
										return (op1 < op2);
										case "LessThanEqual":
										return (op1 <= op2);
										default:
										return (op1 == op2); 
								}
							},
										MustChecked : function(name, min, max){
										var groups = document.getElementsByName(name);
										var hasChecked = 0;
										min = min || 1;
										max = max || groups.length;
										for(var i=groups.length-1;i>=0;i--)
										if(groups[i].checked) hasChecked++;
										return min <= hasChecked && hasChecked <= max;
						},
										IsDate : function(op, formatString){
										formatString = formatString || "ymd";
										var m, year, month, day;
										switch(formatString){
										case "ymd" :
										m = op.match(new RegExp("^((\\d{4})|(\\d{2}))([-./])(\\d{1,2})\\4(\\d{1,2})$"));
										if(m == null ) return false;
										day = m[6];
										month = m[5]--;
										year = (m[2].length == 4) ? m[2] : GetFullYear(parseInt(m[3], 10));
										break;
										case "dmy" :
										m = op.match(new RegExp("^(\\d{1,2})([-./])(\\d{1,2})\\2((\\d{4})|(\\d{2}))$"));
										if(m == null ) return false;
										day = m[1];
										month = m[3]--;
										year = (m[5].length == 4) ? m[5] : GetFullYear(parseInt(m[6], 10));
										break;
										default :
										break;
								}
										if(!parseInt(month)) return false;
										month = month==12 ?0:month; 
										var date = new Date(year, month, day);
										return (typeof(date) == "object" && year == date.getFullYear() && month == date.getMonth() && day == date.getDate());
										function GetFullYear(y){return ((y<30 ? "20" : "19") + y)|0;}
					}
}