JS检测

//检测输入值是否为金额,否刚强制改为0.00
function checkMoneyVlaue(th) {
    var v = th.value;
    if (v === '') {
        v = '0.00';
    } else if (v === '0') {
        v = '0.00';
    } else if (v === '0.') {
        v = '0.00';
    } else if (/^0+\d+\.?\d*.*$/.test(v)) {
        v = v.replace(/^0+(\d+\.?\d*).*$/, '$1');
    } else if (/^0\.\d$/.test(v)) {
        v = v + '0';
    } else if (!/^\d+\.\d{2}$/.test(v)) {
        if (/^\d+\.\d{2}.+/.test(v)) {
            v = v.replace(/^(\d+\.\d{2}).*$/, '$1');
        } else if (/^\d+$/.test(v)) {
            v = v + '.00';
        } else if (/^\d+\.$/.test(v)) {
            v = v + '00';
        } else if (/^\d+\.\d$/.test(v)) {
            v = v + '0';
        } else if (/^[^\d]+\d+\.?\d*$/.test(v)) {
            v = v.replace(/^[^\d]+(\d+\.?\d*)$/, '$1');
        } else if (/\d+/.test(v)) {
            v = v.replace(/^[^\d]*(\d+\.?\d*).*$/, '$1');
            ty = false;
        } else if (/^0+\d+\.?\d*$/.test(v)) {
            v = v.replace(/^0+(\d+\.?\d*)$/, '$1');
            ty = false;
        } else {
            v = '0.00';
        }
    }
   th.value = v;
}


// 判断身份证合法性
function checkCardId(socialNo) {
    var srcid = socialNo.id;
    var srctitle = socialNo.title;
    if (chkspace(socialNo.value)) {
        checkComment(srcid, srctitle + "不能为空！");
        return false;
    } else {
        if (chkfilter(socialNo.value)) {
            infoComment(srcid, srctitle + "不能包含非法字符！");
            return false;
        }
    }

    if (socialNo.value.length != 15 && socialNo.value.length != 18) {
        checkComment(srcid, "输入身份证号码格式不正确！");
        return false;
    }

    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" };

    if (area[parseInt(socialNo.value.substr(0, 2))] == null) {
        checkComment(srcid, "身份证号码不正确(地区非法)！");
        return false;
    }

    if (socialNo.value.length == 15) {
        pattern = /^\d{15}$/;
        if (pattern.exec(socialNo.value) == null) {
            checkComment(srcid, "15位身份证号码必须为数字！");
            return false;
        }
        var birth = parseInt("19" + socialNo.value.substr(6, 2));
        var month = socialNo.value.substr(8, 2);
        var day = parseInt(socialNo.value.substr(10, 2));
        switch (month) {
            case '01':
            case '03':
            case '05':
            case '07':
            case '08':
            case '10':
            case '12':
                if (day > 31) {
                    checkComment(srcid, "输入身份证号码不格式正确！");
                    return false;
                }
                break;
            case '04':
            case '06':
            case '09':
            case '11':
                if (day > 30) {
                    checkComment(srcid, "输入身份证号码不格式正确！");
                    return false;
                }
                break;
            case '02':
                if ((birth % 4 == 0 && birth % 100 != 0) || birth % 400 == 0) {
                    if (day > 29) {
                        checkComment(srcid, "输入身份证号码不格式正确！");
                        return false;
                    }
                } else {
                    if (day > 28) {
                        checkComment(srcid, "输入身份证号码不格式正确！");
                        return false;
                    }
                }
                break;
            default:
                checkComment(srcid, "输入身份证号码不格式正确！");
                return false;
        }
        var nowYear = new Date().getYear();
        if (nowYear - parseInt(birth) < 15 || nowYear - parseInt(birth) > 100) {
            checkComment(srcid, "输入身份证号码不格式正确！");
            return false;
        }
        return true;
    }

    var Wi = new Array(
              7, 9, 10, 5, 8, 4, 2, 1, 6,
              3, 7, 9, 10, 5, 8, 4, 2, 1
              );
    var lSum = 0;
    var nNum = 0;
    var nCheckSum = 0;

    for (i = 0; i < 17; ++i) {


        if (socialNo.value.charAt(i) < '0' || socialNo.value.charAt(i) > '9') {
            checkComment(srcid, "输入身份证号码不格式正确！");
            return false;
        }
        else {
            nNum = socialNo.value.charAt(i) - '0';
        }
        lSum += nNum * Wi[i];
    }


    if (socialNo.value.charAt(17) == 'X' || socialNo.value.charAt(17) == 'x') {
        lSum += 10 * Wi[17];
    }
    else if (socialNo.value.charAt(17) < '0' || socialNo.value.charAt(17) > '9') {
        checkComment(srcid, "输入身份证号码不格式正确！");
        return false;
    }
    else {
        lSum += (socialNo.value.charAt(17) - '0') * Wi[17];
    }

    if ((lSum % 11) == 1) {
        return true;
    }
    else {
        checkComment(srcid, "输入身份证号码不格式正确！");
        return false;
    }
}