javascript 应用

/*
* 打开新窗口
* f:链接地址
* n:窗口的名称
* w:窗口的宽度
* h:窗口的高度
* s:窗口是否有滚动条，1：有滚动条；0：没有滚动条
*/
function openWin(f,n,w,h,s){
sb = s == "1" ? "1" : "0";
l = (screen.width - w)/2;
t = (screen.height - h)/2;
sFeatures = "left="+ l +",top="+ t +",height="+ h +",width="+ w
+ ",center=1,scrollbars=" + sb + ",status=0,directories=0,channelmode=0";
openwin = window.open(f , n , sFeatures );
if (!openwin.opener)
openwin.opener = self;
openwin.focus();
return openwin;
}

/*
* 打开删除窗口
*/
function openDeleteDialog(url,confirmString){
var c = confirmString;
if(c == null || c == ''){
c = "你确认要删除记录吗？";
}
if(confirm(c)){
return window.showModalDialog(url,"window123","dialogHeight:234px;dialogWidth:271px;resizable:no;help:yes;status:no;scroll:no");
}
return false;
}

/*
* 删除记录
*/
function del(url,info){
if(openDeleteDialog(url,info)){
window.location.reload(true);
}
}

/*
* 校验checkbox
*/
function checkAll( chkName, checkboxName, pageSize ) {
    var src = event.srcElement;
var chkN=eval("document.all."+chkName);

    if (src.checked) {
chkN[0].checked = true;
chkN[1].checked = true;
for(var i=0; i<pageSize; i++) {
var chk = eval("document.all." + checkboxName + i);
if (chk) {
chk.checked=true;
}
    }
    } else {
chkN[0].checked = false;
chkN[1].checked = false;
    for(var i=0; i<pageSize; i++) {
var chk = eval("document.all." + checkboxName + i);
if(chk) {
chk.checked=false;
}
    }
    }
}

/*
*
*/
function makePages(maxPage, selectedPage, selectName) {
var sel=eval("document.all."+selectName);
sel.length=0;
for(var i=1; i<=maxPage; i++) {
sel.options[i]=new Option(i,i);
if(sel.options[i]==selectedPage) {
sel.options[i].selected=true;
}
}
}

/*
* 替换字符串
*/
function replaceStr( str ) {
    var re="/( )/gi";
    str = str.replace(re,"");
    re="/\</gi";
    str = str.replace(re,"&lt;");

    return str;
}

/*
* 去掉左边空格
*/
function LTrim(str) {
    var whitespace = new String(" \t\n\r");
    var s = new String(str);
    if (whitespace.indexOf(s.charAt(0)) != -1) {
        var j=0, i = s.length;
        while (j < i && whitespace.indexOf(s.charAt(j)) != -1) {
           j++;
        }
        s = s.substring(j, i);
    }
    return s;
}

/*
* 去掉右边空格
*/
function RTrim(str) {
    var whitespace = new String(" \t\n\r");
    var s = new String(str);
    if (whitespace.indexOf(s.charAt(s.length-1)) != -1) {
        var i = s.length - 1;
        while (i >= 0 && whitespace.indexOf(s.charAt(i)) != -1) {
            i--;
        }
        s = s.substring(0, i+1);
    }
    return s;
}

/*
* 去掉两边空格
*/
function Trim(str) {
    return RTrim(LTrim(str));
}

/*
*
*/
function exeOperation( exePath ){
    var obj = new ActiveXObject("Microsoft.XMLHTTP");
    obj.open("post",exePath,false);
    obj.send();
    var res = obj.responseText;
    var rs = Trim(res);
    if (rs.indexOf('true',0) != -1) {
    return true;
    } else {
        return false;
    }
}

/*
*
*/
function exeValidate( exePath ){
    var obj = new ActiveXObject("Microsoft.XMLHTTP");
    obj.open("post",exePath,false);
    obj.send();
    var res = obj.responseText;
    var rs = Trim(res);
    if (rs.indexOf('validate_login_user',0) != -1) {
    return true;
    } else {
        return false;
    }
}

/*
* 显示
*/
function validate_date( exePath ) {
var obj = new ActiveXObject("Microsoft.XMLHTTP");
     obj.open("post",exePath,false);
     obj.send();
     var res = obj.responseText;
     var rs = Trim(res);
var begin_str = "<!--begin-->";
var beginIndex = rs.indexOf(begin_str) + begin_str.length;
var endIndex   = rs.indexOf("<!--end-->");
rs = ((beginIndex >= 0) && (endIndex >= 0)) ? rs.substring(beginIndex,endIndex) : "";
return Trim(rs);
}

/*
* 校验是否数字
*/
function checkNumber(name, TempS) {
for(Count=0;Count<TempS.length;Count++) {
TempChar=TempS.substring(Count,Count+1);
RefString="0123456789";
if (RefString.indexOf(TempChar,0)==-1) {
alert("请输入数字");
eval("document.all." + name).focus();
return false;
}
}
}

/*
* 是否有非法字符
*/
function chksafe(a){
fibdn = new Array ("'" ,"\\");
i=fibdn.length;
j=a.length;
for (ii=0; ii<i; ii++) {
for (jj=0; jj<j; jj++) {
temp1=a.charAt(jj);
temp2=fibdn[ii];
if (temp1==temp2){
return false;
}
}
}
return true;
}

/*
*
*/
function fucCheckNUM(NUM){
var i,j,strTemp;
strTemp="0123456789";
if ( NUM.length== 0) 
return false;
for (i=0;i<NUM.length;i++) {
j=strTemp.indexOf(NUM.charAt(i));
if (j==-1){
return false;
}
}
return true;
}

/*
*
*/
function fucCheckLength(strTemp) {
var i,sum;
sum=0;
for(i=0;i<strTemp.length;i++) {
if ((strTemp.charCodeAt(i)>=0) && (strTemp.charCodeAt(i)<=255)) {
sum=sum+1;
} else {
sum=sum+2;
}
}
return sum;
}

/*
*
*/
function chkElements( name, errMsg, max_length, lengthMsg ) {
    var el_name = eval("document.all." + name);
var v = el_name.value;
if (!chksafe(v)) {
el_name.focus();
alert(errMsg);
return false;
} else if (fucCheckLength(v) > max_length) {
el_name.focus();
alert(lengthMsg);
return false;
}
return true;
}

/*
* 校验空字符串
*/
function checkNullStr(name, msg) {
var el_name = eval("document.all."+name);
if (Trim(el_name.value).length==0) {
alert(msg);
el_name.focus();
return false;
}
return true;
}

/*
* 显示日期控件
*/
function GetDate(nText,para){
var v_url = para=="1"?"./common/data.html":"../../common/data.html";
  var reVal = window.showModalDialog(v_url, 'data',"status:no;center:yes;scroll:no;resizable:no;dialogWidth:255px;dialogHeight:260px");
  if (reVal != null) {
var n = eval("document.all." + nText);
n.value=reVal;
  }
}

/*
* 按比例缩小图片
*/
function DrawImage(ImgD,iwidth,iheight){
var flag=false;
var image=new Image();
image.src=ImgD.src;
if(image.width>0 && image.height>0){
flag=true;
if(image.width/image.height>= iwidth/iheight){
if(image.width>iwidth){
ImgD.width=iwidth;
ImgD.height=(image.height*iwidth)/image.width;
}else{
ImgD.width=image.width;
ImgD.height=image.height;
}
// ImgD.alt=image.width+"×"+image.height;
}else{
if(image.height>iheight){
ImgD.height=iheight;
ImgD.width=(image.width*iheight)/image.height;
}else{
ImgD.width=image.width;
ImgD.height=image.height;
}
// ImgD.alt=image.width+"×"+image.height;
}
}
ImgD.style.visibility = "visible";
}

/*
* 回车键转为Tab键
*/
function enterTab(){
if(event.keyCode==13){
oElement = document.activeElement;
if(oElement.tagName != "TEXTAREA" && oElement.type != "button")
event.keyCode=9;
return ;
   }
}

/*
*
*/
function objectEval(text) {
    text = text.replace(/\n/g, " ");
    text = text.replace(/\r/g, " ");
    if (text.match(/^\s*\{.*\}\s*$/)) {
        text = "[" + text + "]";
    }
    return eval(text)[0];
}

/*
* 打开领导查询页面
* action - 查询的Action
* method - 调用的方法
* title - 标题message
* name - 员工选择域的name
*/
function openLeaderQuery(action,method,title,name){
openWin("../../common/selectStaff.jsp?action="+action+"&method="+method+"&title="+title+"&name="+name,"public_leader_find_page","400","150");
}

/*
* 第一行变色
*/
function chgColor(){
var v_table = document.all["PowerTable"];
var v_row = v_table.rows[1];
var len = v_row.cells.length;
for(var i=0;i<len;i++){
var v_cell = v_row.cells[i];
v_cell.style.backgroundColor = "yellow";
}
}

/*
* 第一行变色
*/
function chgColor2(){
var v_table = document.all["PowerTable"];
var rows_count=v_table.rows.length;
var v_row,v_cell,temp_len,len;
var rowspan=0;

//get rowspan
if (v_table.rows.length > 1) {
len = v_table.rows[1].cells.length;
for (var r=2; r < rows_count; r++) {
v_row = v_table.rows[r];
temp_len = v_row.cells.length;
if (temp_len==len) {
rowspan=r-1;
break;
}
}

rowspan=(rowspan>0) ? (rowspan+1) : rows_count;
for(var r=1; r < rowspan; r++) {
v_row=v_table.rows[r];
for (var t=0; t < v_row.cells.length; t++) {
v_cell = v_row.cells[t];
v_cell.style.backgroundColor = "yellow";
}
}
}
}

/*
* 添加页面载入后触发的事件
*/
function addLoadEvent(func) {
var oldonload = window.onload;
if (typeof(window.onload) != "function") {
window.onload = func;
} else {
window.onload = function() {
oldonload();
func();
}
}
}
//adsName:名称,adsUrl:地址,sTime:时间(小时) add by wujie 2005.12.12
function PopAds(adsName,adsUrl,sTime,number,w,h,s)
{
if(document.cookie.indexOf(adsName)==-1)
{
window.open(adsUrl,adsName);
self.focus();
            var expireDate = new Date();
            var lefttime = 1000 * (3600 * sTime);
            expireDate.setTime (expireDate.getTime() + lefttime);
            document.cookie = adsName +"=yes" + "; expires=" + expireDate.toGMTString() +  ";";
}
openWin(adsUrl,number,w,h,s);
}
document.onkeydown=enterTab;