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javaScript简单表单验证插件
Validator = { Require : /.+/, Email : /^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/, Phone : /^(0[1-9][0-9]{1,2}-[1-9][0-9]{6,7})$/, Mobile : /^((\(\d{3}\))|(\d{3}\-))?1[3,5,8]\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‘))", LimitInt : "this.limitInt(value,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.getElementById(getAttribute(‘to‘)).value", Range : "getAttribute(‘min‘)*100 < value*100 && value*100 < getAttribute(‘max‘)*100", 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 : [""], Validate : 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"); //去掉首尾空格 try{ if(obj.elements[i].nodeName=="INPUT"){ var _inputType = obj.elements[i].getAttribute("type"); if(_inputType=="text"){ obj.elements[i].value = obj.elements[i].value.trim(); } } }catch(e){} 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 "LimitInt" : 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")); try{ this.ErrorItem[1].focus(); }catch(e){} break; case 4 : 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);} } try{ this.ErrorItem[1].focus(); }catch(e){} break; case 3 : for(var i=1;i<errCount;i++){ try{ var span = document.createElement("DIV"); span.id = "__ErrorMessagePanel"; span.style.position="absolute"; span.style.width = "200"; span.style.height = "30"; span.style.zIndex = "1"; span.onclick = function anonymous(){this.style.display=‘none‘;}; var c = this.ErrorItem[i]; var cy = 0; var cx = 0; while (c.offsetParent != null) { cy += c.offsetTop; cx += c.offsetLeft; c = c.offsetParent; } //window.document.body.attachEvent("onclick",alert(123)); var outString = ‘<div style="cursor:hand;color:#ff0000;padding:5px;border:1px dashed #FF3300; background-color:#FFFBE6;width:200px;font-size: 11px;">‘; outString += this.ErrorMessage[i].replace(/\d+:/,"* "); outString += ‘</div>‘; span.innerHTML = outString; this.ErrorItem[i].parentNode.appendChild(span); if(cx+200<window.document.body.scrollWidth){ span.style.left = cx; }else{ span.style.left = cx - 200; } //if(cy-span.offsetHeight>30){ span.style.top = cy-span.offsetHeight; //}else{ //span.style.top = cy-10; //} var iframe = document.createElement("IFRAME"); iframe.style.position = "absolute"; iframe.style.height = span.offsetHeight; iframe.style.width = 160; iframe.style.zIndex = -10; iframe.style.filter="progid:DXImageTransform.Microsoft.Alpha(style=0,opacity=0,finishOpacity=0)"; iframe.src = "javascript:false"; iframe.style.left = 0; iframe.style.top = 0; span.appendChild(iframe); i = errCount; } catch(e){alert(e.description);} } if(cy-span.offsetHeight<document.body.scrollTop){ window.scrollTo(0,cy-span.offsetHeight); } try{ this.ErrorItem[1].focus(); }catch(e){} 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; }, limitInt : function(v,min, max){ min = Math.floor(min) || 0; max = Math.floor(max) || 0; return min <= v && v <= 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 = 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;} } }
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