JavaScript 输入验证器工具

前注:在数据添加的时候很多地方都会涉及到数据的合法性验证，所以有必要提炼成为一个工具。今天偶然间点错网页，弹出一个游戏界面，本来是想看怎么实现的背景音乐的加载的，结果看到一个注册页面的验证JS，所以这里摘录以备以后使用。在此感谢我佛山人!

/*************************************************
Validator v1.05
code by 我佛山人
wfsr@msn.com
*************************************************/
Validator = {
    unValid : /[\x22-\x27\x2A\x2F\x3C\x3E\x3F\x40\x5B-\x5E\x60\x7B\x7D\u201D\u201C\u203B\u2192\u25CB\u25CE\u25C6\u25C7\u25A0\u2584\u2586\u2605\u2606\u3010\u3011\uFFE5]/g,
    isValid : function(str){return !this.unValid.test(str);},
    Valid : "this.isValid(value)",
    Require : /\S+/,
    Email : /^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/,
    Phone : /^((\(\d{2,3}\))|(\d{3}\-))?(\(0\d{2,3}\)|0\d{2,3}-)?[1-9]\d{6,7}(\-\d{1,4})?$/,
    Mobile : /^((\(\d{2,3}\))|(\d{3}\-))?1((3|5|8)\d{9}|47\d{8})$/,
    IsTel : function(str){return this.Phone.test(str) || this.Mobile.test(str);},
    Tel : "this.IsTel(value)",
    Url : /^http(s){0,1}:\/\/[A-Za-z0-9]+\.[A-Za-z0-9]+[\/=\?%\-&_~`@[\]\':+!]*([^<>\"\"])*$/,
    IdCard : "this.IsIdCard(value)",
    Currency : /^\d+(\.\d+)?$/,
    Number : /^\d+$/,
    Zip : /^\d{6}$/,
    QQ : /^[1-9]\d{4,11}$/,
    isIM : function(str){return this.QQ.test(str) || this.Email.test(str);},
    Positive : /^\d+(\.\d+)?/,
    Integer : /^[-\+]?\d+$/,
    Double : /^[-\+]?\d+(\.\d+)?$/,
    English : /^[A-Za-z]+$/,
    Chinese : /^[\u0391-\uFFE5]+$/,
    Username : /^[a-z]\w{3,}$/i,
    UnSafe : /^(([A-Z]*|[a-z]*|\d*|[-_\~!@#\$%\^&\*\.\(\)\[\]\{\}<>\?\\\/\'\"]*)|.{0,5})$|\s/,
    IsSafe : function(str){return !this.UnSafe.test(str);},
    SafeString : "this.IsSafe(value)",
    IM : "this.isIM(value)",
    Filter : "this.DoFilter(value, getAttribute('accept'))",
    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|0) && (value|0) < getAttribute('max')",
    Compare : "this.compare(value,getAttribute('operator'),getAttribute('to'))",
    CompareObj : "this.compare(value,getAttribute('operator'),obj[getAttribute('to')].value)",
    Custom : "this.Exec(value, getAttribute('regexp'))",
    Group : "this.MustChecked(getAttribute('name'), getAttribute('min'), getAttribute('max'))",
    ErrorItem : [document.forms[0]],
    ErrorMessage : ["以下原因导致提交失败：\t\t\t\t"],
    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");
                if(typeof(_dataType) == "object") continue;
                this.ClearState(obj.elements[i]);
                if(getAttribute("require") == "false" && value == "") continue;
                _dataType = _dataType.split(" ");
                var fflag = true;
                for(k = 0, kl = _dataType.length; k < kl; k++) {
                    if(typeof(this[_dataType[k]]) == "undefined") continue;
                    if(!fflag) break;
                    switch(_dataType[k]) {
                        case "IdCard" :
                        case "Date" :
                        case "Repeat" :
                        case "Range" :
                        case "Compare" :
                        case "CompareObj" :
                        case "Custom" :
                        case "Group" :
                        case "Limit" :
                        case "LimitB" :
                        case "SafeString" :
                        case "Filter" :
                        case "IM" :
                        case "Tel" :
                        case "Valid" :
                            if(!eval(this[_dataType[k]])) {
                                this.AddError(i, getAttribute("msg"));
                                fflag = false;
                            }
                            break;
                        default :
                            if(!this[_dataType[k]].test(value)) {
                                this.AddError(i, getAttribute("msg"));
                                fflag = false;
                            }
                        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 :
                    try{
                        top.message.show(this.ErrorMessage.join("<br />"),null,function(){
                            try{
                                Validator.ErrorItem[1].focus();
                            } catch(e){ }
                        });
                    } catch(e){
                        alert(this.ErrorMessage.join("\n"));
                        try{
                            Validator.ErrorItem[1].focus();
                        } catch(e){ }
                    }
                    break;
                    if(top.message) {
                        message.show(this.ErrorMessage.join("<br />"), null, function(){
                            try {
                                Validator.ErrorItem[1].focus();
                            } catch (e) {}
                        });
                    } else {
                        alert(this.ErrorMessage.join("\n"));
                        if(this.ErrorItem[1].style.display != 'none' && this.ErrorItem[1].type != 'hidden')
                            this.ErrorItem[1].focus();
                    }
                    break;
                case 3 :
                    for(var i=1;i<errCount;i++){
                        try{
                            var span = document.createElement("SPAN");
                            span.id = "__ErrorMessagePanel"+i;
                            span.style.color = "red";
                            if(this.ErrorItem[i].nextSibling)
                                this.ErrorItem[i].parentNode.insertBefore(span, this.ErrorItem[i].nextSibling);
                            else
                                this.ErrorItem[i].parentNode.appendChild(span);
                            span.innerHTML = this.ErrorMessage[i].replace(/\d+:/,"");
                            this.ErrorItem[i].className = 'err';
                        }
                        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 = "";
            if(className == 'err')
                className = "";
            var lastNode = nextSibling;
            if(lastNode && /^__ErrorMessagePanel/.test(lastNode.id))
                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){
        if(this.Double.test(op1) && this.Double.test(op2)) {
            op1 = parseInt(op1, 10);
            op2 = parseInt(op2, 10);
        }
        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;
    },
    DoFilter : function(input, filter) {
        return new RegExp("^.+\.(?=EXT)(EXT)$".replace(/EXT/g, filter.split(/\s*,\s*/).join("|")), "gi").test(input);
    },
    IsIdCard : function(idcard){
        idcard = idcard.toUpperCase();
        var area={11:"北京",12:"天津",13:"河北",14:"山西",15:"内蒙古",21:"辽宁",22:"吉林",23:"黑龙江",31:"上海",32:"江苏",33:"浙江",34:"安徽",35:"福建",36:"江西",37:"山东",41:"河南",42:"湖北",43:"湖南",44:"广东",45:"广西",46:"海南",50:"重庆",51:"四川",52:"贵州",53:"云南",54:"西藏",61:"陕西",62:"甘肃",63:"青海",64:"宁夏",65:"新疆",71:"台湾",81:"香港",82:"澳门",91:"国外"}
        var idcard,Y,JYM;
        var S,M;
        var idcard_array = new Array();
        idcard_array = idcard.split("");
        if(area[parseInt(idcard.substr(0,2))]==null) return false;
        switch(idcard.length){
        case 15:
            if ((parseInt(idcard.substr(6,2))+1900) % 4 == 0 || ((parseInt(idcard.substr(6,2))+1900) % 100 == 0 && (parseInt(idcard.substr(6,2))+1900) % 4 == 0 )){
                ereg = /^[1-9][0-9]{5}[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|[1-2][0-9]))[0-9]{3}$/;//测试出生日期的合法性
            }
            else{
                ereg = /^[1-9][0-9]{5}[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|1[0-9]|2[0-8]))[0-9]{3}$/;//测试出生日期的合法性
            }
            if(ereg.test(idcard))
                return true;
            else
                return false;
            break;
        case 18:
            if ( parseInt(idcard.substr(6,4)) % 4 == 0 || (parseInt(idcard.substr(6,4)) % 100 == 0 && parseInt(idcard.substr(6,4))%4 == 0 )){
                ereg = /^[1-9][0-9]{5}19[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|[1-2][0-9]))[0-9]{3}[0-9Xx]$/;//闰年出生日期的合法性正则表达式
            }
            else{
                ereg = /^[1-9][0-9]{5}19[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|1[0-9]|2[0-8]))[0-9]{3}[0-9Xx]$/;//平年出生日期的合法性正则表达式
            }
            if(ereg.test(idcard)){
                S = (parseInt(idcard_array[0]) + parseInt(idcard_array[10])) * 7 + (parseInt(idcard_array[1]) + parseInt(idcard_array[11])) * 9 + (parseInt(idcard_array[2]) + parseInt(idcard_array[12])) * 10 + (parseInt(idcard_array[3]) + parseInt(idcard_array[13])) * 5 + (parseInt(idcard_array[4]) + parseInt(idcard_array[14])) * 8 + (parseInt(idcard_array[5]) + parseInt(idcard_array[15])) * 4 + (parseInt(idcard_array[6]) + parseInt(idcard_array[16])) * 2 + parseInt(idcard_array[7]) * 1 + parseInt(idcard_array[8]) * 6 + parseInt(idcard_array[9]) * 3 ;
                Y = S % 11;
                M = "F";
                JYM = "10X98765432";
                M = JYM.substr(Y,1);
                if(M == idcard_array[17])
                    return true;
                else
                    return false;
            }
            else
                return false;
            break;
        default:
            return false;
            break;
        }
    },
    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})$"));
                if(m == null ) return false;
                day = m[6];
                month = m[5]*1;
                year = (m[2].length == 4) ? m[2] : GetFullYear(parseInt(m[3], 10));
                break;
            case "dmy" :
                m = op.match(new RegExp("^(\\d{1,2})([-./])(\\d{1,2})\\2((\\d{4})|(\\d{2}))$"));
                if(m == null ) return false;
                day = m[1];
                month = m[3]*1;
                year = (m[5].length == 4) ? m[5] : GetFullYear(parseInt(m[6], 10));
                break;
            default :
                break;
        }
        if(!parseInt(month)) return false;
        month = month==0 ?12:month;
        var date = new Date(year, month-1, day);
        return (typeof(date) == "object" && year == date.getFullYear() && month == (date.getMonth()+1) && day == date.getDate());
        function GetFullYear(y){return ((y<30 ? "20" : "19") + y)|0;}
    }
}