javascript比较实用方法：身份证验证、文本框设置不可空等等

var $ = document.getElementById;

//限制字数 onkeyup=""
function MaxSizeKeyUp(n) {
var obj = event.srcElement;
if (obj.value.length > n) {
obj.value = obj.value.substr(0, n);
}
}
//通过身份证号获取生日、年龄、性别
function getDateByIdCard(UUserCard,num){
if(num==1){
//获取出生日期
birth=UUserCard.substring(6, 10) + "-" + UUserCard.substring(10, 12) + "-" + UUserCard.substring(12, 14);
return birth;
}
if(num==2){
//获取性别
if (parseInt(UUserCard.substr(16, 1)) % 2 == 1) {
//男
return "男";
} else {
//女
return "女";
}
}
if(num==3){
//获取年龄
var myDate = new Date();
var month = myDate.getMonth() + 1;
var day = myDate.getDate();
var age = myDate.getFullYear() - UUserCard.substring(6, 10) - 1;
if (UUserCard.substring(10, 12) < month || UUserCard.substring(10, 12) == month && UUserCard.substring(12, 14) <= day) {
age++;
}
return age;
}
}

//验证只能输入浮点数字 onkeyup=""
function floatKeyUp(n, m) {
var obj = event.srcElement;
var reg;
if (null == n || null == m) {
reg = new RegExp("^\\d+(\\.\\d*)?$");
}
else {
reg = new RegExp("^\\d{1," + n + "}(\\.\\d{0," + m + "})?$");
}
while (obj.value != '' && !(reg.test(obj.value))) {
obj.value = obj.value.substr(0, obj.value.length - 1);
}
}
//验证只能输入整型数字 onkeyup=""
function intKeyUp(n) {
var obj = event.srcElement;
var reg;
if (null == n) {
reg = new RegExp("^\\d*$");
}
else {
reg = new RegExp("^\\d{1," + n + "}$");
}
while (obj.value != '' && !(reg.test(obj.value))) {
obj.value = obj.value.substr(0, obj.value.length - 1);
}
}
//验证输入正负浮点数字 onkeyup=""
function floatMinusKeyUp(n, m) {
var obj = event.srcElement;
var reg;
if (null == n || null == m) {
reg = new RegExp("^\\-(\\d+(\\.\\d*)?)?$");
}
else {
reg = new RegExp("^\\-(\\d{1," + n + "}(\\.\\d{0," + m + "})?)?$");
}
while (obj.value != '' && !(reg.test(obj.value))) {
obj.value = obj.value.substr(0, obj.value.length - 1);
}
}
//验证输入正浮点数字 onkeyup=""
function floatMinusKey(n, m) {
var obj = event.srcElement;
var reg;
if (null == n || null == m) {
reg = new RegExp("^(\\d+(\\.\\d*)?)?$");
}
else {
reg = new RegExp("^(\\d{1," + n + "}(\\.\\d{0," + m + "})?)?$");
}
while (obj.value != '' && !(reg.test(obj.value))) {
obj.value = obj.value.substr(0, obj.value.length - 1);
}
}

//年月验证 onkeyup=""
function DateKeyUp() {
var obj = event.srcElement;
if (obj.value.length == 2) {
if (obj.value < "19") {
obj.value = '20' + obj.value + '-';
}
else if (obj.value > "49") {
obj.value = '19' + obj.value + '-';
}
}
var reg = RegExp("^\\d{1,4}(\\-\\d{0,2})?$");
while (obj.value != '' && !(reg.test(obj.value))) {
obj.value = obj.value.substr(0, obj.value.length - 1);
}
if (obj.value.length == 4 && obj.value.substr(obj.value.length - 1) != '-') {
obj.value += '-';
}
}
//年月验证 onblur=""
function DateBlur() {
var obj = event.srcElement;
if (obj.value != "") {
var reg = new RegExp(/^([0-9]{4}(\-){1}(([0]?[1-9]{1})|([1-9]{1})|([1]{1}[0-2]{1}))?)$/);
if (!reg.test(obj.value)) {
var msg = "日期格式有误，请核对！\r\n按[确定]修改，按[取消]清空";
if (window.confirm(msg)) {
obj.focus();
}
else {
obj.value = "";
}
}
}
}
//开始与结束时间比较验证 onpropertychange=""
function CheckDateSpan(startDateId, endDateId) {
var obj = event.srcElement;
if ($(startDateId).value != "" && $(endDateId).value != "" && $(startDateId).value > $(endDateId).value) {
alert("开始日期不能大于结束日期！");
if (obj.id == startDateId) {
obj.value = $(endDateId).value;
} else {
obj.value = $(startDateId).value;
}
obj.focus();
}
}

//电话号码验证 onblur="" telType-  空:移动电话或固定电话，1：移动电话 2：固定电话
function TelephonBlur(telType) {
var obj = event.srcElement;
if (obj.value != "") {
reg = new RegExp(/(\d{11})|^((\d{7,8})|(\d{4}|\d{3})-(\d{7,8})|(\d{4}|\d{3})-(\d{7,8})-(\d{4}|\d{3}|\d{2}|\d{1})|(\d{7,8})-(\d{4}|\d{3}|\d{2}|\d{1}))$/);
if (telType == "1") {
reg = new RegExp(/\d{11}/);
} else if (telType == "2") {
reg = new RegExp(/^((\d{7,8})|(\d{4}|\d{3})-(\d{7,8})|(\d{4}|\d{3})-(\d{7,8})-(\d{4}|\d{3}|\d{2}|\d{1})|(\d{7,8})-(\d{4}|\d{3}|\d{2}|\d{1}))$/);
}
if (!reg.test(obj.value)) {
var msg = "电话号码格式有误，请核对！\r\n按[确定]修改，按[取消]清空";
if (window.confirm(msg)) {
obj.focus();
}
else {
obj.value = "";
}
}
}
}
//控制输入项目不为空， 控件需设置 nonull 、elementname 属性
function CheckNull() {
//debugger;
var objs = document.getElementsByTagName("input");
if (!CheckNullByObjs(objs)) {
return false;
}
var objs2 = document.getElementsByTagName("select");
if (!CheckNullByObjs(objs2)) {
return false;
}
var objs3 = document.getElementsByTagName("textarea");
if (!CheckNullByObjs(objs3)) {
return false;
}
return true;
}
//去掉前后空格
function Trim(str) {
return str.replace(/(^\s*)|(\s*$)/g, "");
}
function CheckNullByObjs(objs) {
for (var i = 0; i < objs.length; i++) {
if (objs[i].attributes["nonull"] != undefined && objs[i].attributes["nonull"].value == "true" && Trim(objs[i].value).toString() == "") {
alert(objs[i].attributes["elementname"].value + "不能为空");
objs[i].focus();
return false;
}
}

return true;
}

//打开模式网页对话框
function OpenModelWindow(URL, width, height) {
if (width == null)
width = 800;
if (height == null)
height = 600;
if (getIEVersion() == 6) {
height += 30;
}
if (URL.indexOf('?') == -1) {
URL += '?__Rand=' + Math.random()
}
else {
URL += '&__Rand=' + Math.random();
}
var result = window.showModalDialog(URL, window, "DialogWidth:" + width + "px;DialogHeight:" + height + "px;status:no;toolbar:no;menubar:no;location:no;scrollbars:yes;resizable:no;help:no;");
return result;
}
//打开模式网页对话框(全屏)
function OpenModelFullScreen(URL) {
var width = screen.width;
var height = screen.height;
OpenModelWindow(URL, width, height);
}

//打开新窗体
function OpenForm(bz, url, width, height) {
var prileft = (screen.width - width) / 2;
var pritop = (screen.height - height - 50) / 2;
if (bz == 0) {//全屏
window.open(url, 'TsUrl', 'fullscreen')
}
else if (bz == 1) {//无菜单，地址栏等
var Win = window.open(url, "", 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,width=' + width + ', height=' + height + ',left=' + prileft + ',top=' + pritop);
}
else if (bz == 2) {//有菜单
var Win = window.open(url, "", 'width=' + width + ', height=' + height + ', resizable=yes, scrollbars=yes, menubar=yes, status=yes');
}
else if (bz == 3) {//无菜单，地址栏，有滚动条等
var Win = window.open(url, "", 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,width=' + width + ', height=' + height + ',left=' + prileft + ',top=' + pritop);
}
else if (bz == 4) {//无菜单，无地址栏，有滚动条，状态栏等
var Win = window.open(url, "", 'toolbar=no,location=no,directories=no,status=yes,menubar=no,scrollbars=yes,resizable=yes,width=' + width + ', height=' + height + ',left=' + prileft + ',top=' + pritop);
}
}

//全屏打开新窗体
function OpenFullWindow(strUrl) {
var widthPx = screen.width;
var lengthPx = screen.height;
var strFeatures = "width=" + widthPx + ",height=" + lengthPx + ",scrollbars=1,status=1,center=1,resizable=0";
var newwin = window.open(strUrl, "", strFeatures);  //strFormName

}

//判断ie版本
function getIEVersion() {
//alert(navigator.userAgent);
if (navigator.appName == "Microsoft Internet Explorer") {
if (navigator.userAgent.indexOf("MSIE 8.0") > 0) {
return 8;
}
else if (navigator.userAgent.indexOf("MSIE 7.0") > 0) {
return 7;
}
else {
return 6;
}
}
}

//根据QueryString参数名称获取值
function getQueryStringByName(name, strLocation) {

if (strLocation == null) {
strLocation = location;
}
var result = strLocation.search.match(new RegExp("[\?\&]" + name + "=([^\&]+)", "i"));
if (result == null || result.length < 1) {
return "";
}
return result[1];
}

///验证身份证号是否合法
function CheckIdCard(cardTypeId) {
//    if (cardTypeId != null && document.getElementById(cardTypeId).value != '1') {
//        return true;
//    }
var msg = "";
var obj = event.srcElement;
obj.value = obj.value.toUpperCase();
var num = obj.value;
if (num == "") {
msg = "";
}
else if (!(/(^\d{15}$)|(^\d{17}([0-9]|X)$)/.test(num))) {
msg = '输入的身份证号长度不对，或输入非法字符,请核对！';
}
else {
//下面分别分析出生日期和校验位
var len, re;
len = num.length;
if (len == 15) {
re = new RegExp(/^(\d{6})(\d{2})(\d{2})(\d{2})(\d{3})$/);
var arrSplit = num.match(re);
//检查生日日期是否正确
var dtmBirth = new Date('19' + arrSplit[2] + '/' + arrSplit[3] + '/' + arrSplit[4]);
var bGoodDay;
bGoodDay = (dtmBirth.getYear() == Number(arrSplit[2])) && ((dtmBirth.getMonth() + 1) == Number(arrSplit[3])) && (dtmBirth.getDate() == Number(arrSplit[4]));
if (!bGoodDay) {
msg = '输入的身份证号里出生日期不对！';
}
}
if (len == 18) {
re = new RegExp(/^(\d{6})(\d{4})(\d{2})(\d{2})(\d{3})([0-9]|X)$/);
var arrSplit = num.match(re);
//检查生日日期是否正确
var dtmBirth = new Date(arrSplit[2] + "/" + arrSplit[3] + "/" + arrSplit[4]);
var bGoodDay;
bGoodDay = (dtmBirth.getFullYear() == Number(arrSplit[2])) && ((dtmBirth.getMonth() + 1) == Number(arrSplit[3])) && (dtmBirth.getDate() == Number(arrSplit[4]));
if (!bGoodDay) {
msg = '输入的身份证号里出生日期不对！';
}
else {
//检验18位身份证的校验码是否正确。
var valnum;
var arrInt = new Array(7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2);
var arrCh = new Array('1', '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2');
var nTemp = 0, i;
for (i = 0; i < 17; i++) {
nTemp += num.substr(i, 1) * arrInt[i];
}
valnum = arrCh[nTemp % 11];
if (valnum != num.substr(17, 1)) {
msg = '18位身份证的校验码不正确,请核对！'; //应该为：' + valnum;
}
}
}
}
if (msg != "") {
msg += "\r\n按[确定]修改，按[取消]清空";
if (window.confirm(msg)) {
obj.focus();
}
else {
obj.value = "";
}
//  alert(msg);
//  obj.focus();
return false;
}
return true;
}

function GetNumById(id) {
var val = document.getElementById(id).value;
if (val == "") {
return 0;
}
else {
return parseFloat(val);
}
}

//判断查询字符串是否合法 onblur="CheckQueryStr(this)"
function CheckQueryStr(oField) {
re = /select|update|delete|exec|count|'|、|‘|"|“|”|=|;|>|<|%/i;
$sMsg = "请不要输入非法字符！"
if (re.test(oField.value)) {
alert($sMsg);
oField.value = '';
oField.focus();
return false;
}
}

//判断查询年度的字符串是否合法
function CheckYearStr(oField) {
re = /^[1-9]\d{3}$/;
$sMsg = "输入的年份格式有误!"
var oFieldVal = $.trim(oField.value);
if (oFieldVal != "" && !re.test(oFieldVal)) {
alert($sMsg);
oField.value = '';
oField.focus();
return false;
}

}
//判断输入工程iD的字符串是否合法
function CheckNumStr(oField) {
re = /^[0-9]+(.[0-9]{1,2})?$/;
$sMsg = "请输入数字字符!"
var oFieldVal = $.trim(oField.value);
if (oFieldVal != "" && !re.test(oFieldVal)) {
alert($sMsg);
oField.value = '';
oField.focus();
return false;
}

}
//屏蔽按键事件
function onlyInputNum2(event) {
var keyCode = window.event ? event.keyCode : event.which;
if (keyCode == 13 || keyCode == 8) {
event.returnValue = false;
} else {
event.returnValue = true;
}
}
//防止键盘按键引起的异常操作
function txtonkeydown(event) {
var keyCode = window.event ? event.keyCode : event.which;
if (keyCode == 13) {//enter键
//                    alert("1");
return false;
}

}
//判断查询总产值的字符串是否合法
function CheckOutValueStr(oField) {
var pattern_Money = /^(([1-9]\d*)(\.\d\d*)?)$|(0\.0?([1-9]\d*?))$/;
var pattern_Zero = /^(([1-9]\d*)|0)(\.\d{1,*})?$/;
$sMsg = "建筑业总产值（千元）格式有误!"
var oFieldVal = $.trim(oField.value);
if ($.trim(oFieldVal) != "" && (!pattern_Money.test($.trim(oFieldVal))) && (!pattern_Zero.test($.trim(oFieldVal)))) {
alert($sMsg);
oField.value = '';
oField.focus();
return false;
}
}

//显示附件图片
function ShowAttachList(path) {
var tpath = "../../Common/ImageShowList.aspx?FlowSN=";
if (path == null) {
path = tpath;
}
var FlowSn = document.getElementById("FlowSN").value;
OpenModelWindow(path + FlowSn.toString(), 600, 500);
}

//将页面值复制到多行输入控件中
function CopyToListValue(col, ctlId) {
//myText-none-0- -UCListEdit1
if (ctlId == null || ctlId == "") {
ctlId = "UCListEdit1";
}
var txt = document.getElementById("myText-none-0-" + col + "-" + ctlId);
//txt.disabled = true;
txt.value = event.srcElement.value;
}

//根据参数IsMax来决是否打开全屏窗口:IsMax为true打开全屏
function OpenNewWindow(strUrl, IsMax, widthPx, lengthPx, FormName) {

/*
if(strUrl.indexOf('/FlowCtrl/index.aspx')!=-1)
{
if(GetCookie("PageCount")>=1)
{
alert("其它事务正在处理，请先关闭其它事务！");
return false;
}
}*/

if (typeof (widthPx) == "undefined") {
var widthPx = 700;
}

if (typeof (lengthPx) == "undefined") {
var lengthPx = 400;
}
if (typeof (FormName) == "undefined") {
var strFormName = "secretary";
}
else {
var strFormName = FormName;
}

if (strUrl.indexOf('/FlowCtrl/index.aspx') != -1)
var strFeatures = "width=" + widthPx + ",height=" + lengthPx + ",scrollbars=1,status=1,center=1,resizable=0";
else
var strFeatures = "width=" + widthPx + ",height=" + lengthPx + ",scrollbars=1,status=1,center=1,resizable=1";

newwin = window.open("", "", strFeatures);  //strFormName

if (IsMax) {
if (document.all) {
newwin.moveTo(0, 0)
newwin.resizeTo(screen.width, screen.height)
}
}
var intSite = strUrl.lastIndexOf("/")
newwin.location = strUrl

}

//
function Year() {
var i = 0;
var nz = 0;
var nk = 0;
var ns = 0;
while (true) {
if (document.getElementById("myText-none-" + i + "-1-UCListEdit1") != null) {
document.getElementById("myText-none-" + i + "-12-UCListEdit1").value = "";
var a = 0;
for (var j = 2; j < 12; j++) {
if (document.getElementById("myText-none-" + i + "-" + j + "-UCListEdit1").value != "") {
a = new Number(document.getElementById("myText-none-" + i + "-12-UCListEdit1").value)
var b = new Number(document.getElementById("myText-none-" + i + "-" + j + "-UCListEdit1").value);
if (j < 8) {
a += b;
}
else {
a -= b;
}
document.getElementById("myText-none-" + i + "-12-UCListEdit1").value = a;
document.getElementById("myText-none-" + i + "-12-UCListEdit1").setAttribute("defaultValue", a);

}
}
document.getElementById("myText-none-" + i + "-12-UCListEdit1").value = a;
document.getElementById("myText-none-" + i + "-12-UCListEdit1").setAttribute("defaultValue", a);
for (var x = 2; x < 8; x++) {
if (document.getElementById("myText-none-" + i + "-" + x + "-UCListEdit1").value != "") {
nz = nz + new Number(document.getElementById("myText-none-" + i + "-" + x + "-UCListEdit1").value);
}
}
for (var x1 = 8; x1 < 12; x1++) {
if (document.getElementById("myText-none-" + i + "-" + x1 + "-UCListEdit1").value != "") {
nk = nk + new Number(document.getElementById("myText-none-" + i + "-" + x1 + "-UCListEdit1").value);
}
}
ns = ns + new Number(document.getElementById("myText-none-" + i + "-12-UCListEdit1").value);
//document.getElementById("nzsr").value = new Number(document.getElementById("nzsr").value)+ nz;

i++;
}
else {

break;
}
}
document.getElementById("nzsr").value = nz;
document.getElementById("nzsr").setAttribute("defaultValue", nz);

document.getElementById("nzkc").value = nk;
document.getElementById("nzkc").setAttribute("defaultValue", nk);

document.getElementById("nsr").value = ns;
document.getElementById("nsr").setAttribute("defaultValue", ns);
}

//
function AddRequireStyle() {
try {
var ids = WorkFlowFun.GetAllSaveRequires(parent.document.getElementById("FlowID").value, parent.document.getElementById("StepID").value, parent.document.getElementById("FormID").value, "0");
if (ids.value.length > 0) {
var items = ids.value.split("|");
for (var item in items) {
var obj = document.getElementById(items[item]);
if (obj != null) {
obj.className = obj.className + " required *";
obj.style.cssText += "BORDER-BOTTOM-COLOR: red; BORDER-RIGHT-WIDTH: thin; BORDER-TOP-COLOR: red; BORDER-TOP-WIDTH: thin; BORDER-BOTTOM-WIDTH: thin; BORDER-RIGHT-COLOR: red; BORDER-LEFT-COLOR: red; BORDER-LEFT-WIDTH: thin;text-align:left;";
}
}
}

var idstr = WorkFlowFun.GetAllSaveExtensionattr(parent.document.getElementById("FlowID").value, parent.document.getElementById("StepID").value, parent.document.getElementById("FormID").value, "0");
if (idstr.value.length > 0) {
var iditems = idstr.value.split("|");
for (var i = 0; i < iditems.length; i++) {
var str = iditems[i].split(",");
if (document.getElementById(str[0]) != null) {
if (document.getElementById(str[0]).value == '') {
document.getElementById(str[0]).value = str[1];
document.getElementById(str[0]).setAttribute("defaultValue", str[1]);
}
}
}
}
}
catch (e) {

}
}
//编辑权限控制，属性带有 nocontrol="true" 时，不给予控制
function AuthControl() {
//debugger;
var objs = document.getElementsByTagName("input");
Controls(objs);
//    var objs2 = document.getElementsByTagName("select");
//    Controls(objs2);
//    var objs3 = document.getElementsByTagName("textarea");
//    Controls(objs3);

}
function Controls(objs) {
if (document.getElementById("AuthorityControl").value == "False") {
for (var i = 0; i < objs.length; i++) {
if (objs[i].attributes["control"] != undefined && objs[i].attributes("control").value == "true") {
objs[i].disabled = true;
} else {

}
}
}
}
function AutoResizeImage(maxWidth, maxHeight, objImg) {

var img = new Image();
img.src = objImg.src;
var hRatio;
var wRatio;
var Ratio = 1;
var w = img.width;
var h = img.height;
wRatio = maxWidth / w;
hRatio = maxHeight / h;
if (maxWidth == 0 && maxHeight == 0) {
Ratio = 1;
} else if (maxWidth == 0) {//
if (hRatio < 1) Ratio = hRatio;
} else if (maxHeight == 0) {
if (wRatio < 1) Ratio = wRatio;
} else if (wRatio < 1 || hRatio < 1) {
Ratio = (wRatio <= hRatio ? wRatio : hRatio);
}
if (Ratio < 1) {
w = w * Ratio;
h = h * Ratio;
}
objImg.height = h;
objImg.width = w;

return objImg;
}