/public/javascripts/utility.js

//????2011-09-13



//??????????,???????

function formatFloat(src, pos) {

    return Math.round(src * Math.pow(10, pos)) / Math.pow(10, pos);

}



//????????????js(??FF?IE)

//<input type="text" name="test" id="test" onkeydown="checkNumber(this.value,event)" style="ime-mode:disabled" /> 

function checkNumber(value, e) {

    var key = window.event ? e.keyCode : e.which;

    if ((key > 95 && key < 106) ||

                    (key > 47 && key < 60) ||

                    (key == 110 && value.indexOf(".") < 0) ||

                    (key == 190 && value.indexOf(".") < 0)) {

    } 

    else if (key != 8) {

        if (window.event) {

            //IE

            e.returnValue = false;   //event.returnValue=false ????.

        }

        else {

            //Firefox

            e.preventDefault();

        }

    }

} 



//??URL??

function getUrlParam(name){  

    var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)");  

    var r = window.location.search.substr(1).match(reg);  

    if (r!=null){

        return unescape(r[2]);

    }

    else{

        return null; 

    } 

}   



//??jquery.mln????

function getMlnValue(mlnID){

    var items=document.getElementsByName(mlnID);

    for(var i=0;i<items.length;i++){

        if(items[i].name==mlnID){

            return items[i].value;

        }

    }

}



//??????

function getRandomColor(){

    //16????????0-F

	var arrHex = ["0","1","2","3","4","5","6","7","8","9","A","B","C","D","E","F"];

	var strHex = "#";

	var index;

	for(var i = 0; i < 6; i++) {

		//??0-15???????

		index = Math.round(Math.random() * 15);

		strHex += arrHex[index];

	}

	return strHex;

}



//?????????

function getCurrentFile(){

    var thisHREF = document.location.href; 

    var tmpHPage = thisHREF.split( "/" ); 

    var thisHPage = tmpHPage[ tmpHPage.length-1 ];

    thisHPage=thisHPage.substring(0,thisHPage.indexOf("?"))

    return thisHPage;

}



// 1.??select??? ????Value="paraValue"?Item

function isSelectExistItem(objSelect, objItemValue) {

    var isExit = false;

    for (var i = 0; i < objSelect.options.length; i++) {

        if (objSelect.options[i].value == objItemValue) {

            isExit = true;

            break;

        }

    }

    return isExit;

}



// 2.?select??? ????Item          

function addItemToSelect(objSelect, objItemText, objItemValue) {

    //??????

    if (isSelectExistItem(objSelect, objItemValue)) {

        alert("?Item?Value?????");

    } else {

        var varItem = new Option(objItemText, objItemValue);

        objSelect.options.add(varItem);

        //alert("????");

    }

}



// 3.?select??? ????Item          

function removeItemFromSelect(objSelect, objItemValue) {

    //??????

    if (isSelectExistItem(objSelect, objItemValue)) {

        for (var i = 0; i < objSelect.options.length; i++) {

            if (objSelect.options[i].value == objItemValue) {

                objSelect.options.remove(i);

                break;

            }

        }

        //alert("????");

    } else {

        alert("?select? ?????");

    }

}





// 4.??select?????      

function removeSelectedItemFromSelect(objSelect) {

    var length = objSelect.options.length - 1;

    for (var i = length; i >= 0; i--) {

        if (objSelect.options[i].selected) {

            objSelect.options[i] = null;

        }

    }

}



// 5.??select??? value="paraValue"?text?"paraText"          

function updateItemToSelect(objSelect, objItemText, objItemValue) {

    //??????

    if (isSelectExistItem(objSelect, objItemValue)) {

        for (var i = 0; i < objSelect.options.length; i++) {

            if (objSelect.options[i].value == objItemValue) {

                objSelect.options[i].text = objItemText;

                break;

            }

        }

        //alert("????");

    } else {

        alert("?select? ?????");

    }

}



// 6.??select?text="paraText"????Item???          

function selectItemByText(objSelect, objItemText) {

    //??????          

    var isExit = false;

    for (var i = 0; i < objSelect.options.length; i++) {

        if (objSelect.options[i].text == objItemText) {

            objSelect.options[i].selected=true;

            isExit = true;

            break;

        }

    }

    //Show???          

    if (isExit) {

        //alert("????");

    } else {

        alert("?select? ?????");

    }

}



// 7.??select?value="paraValue"?Item???      

//document.all.objSelect.value = objItemValue;

// 8.??select???????value      

//var currSelectValue = document.all.objSelect.value;

// 9.??select???????text      

//var currSelectText = document.all.objSelect.options

//[document.all.objSelect.selectedIndex].text;

// 10.??select???????Index      

//var currSelectIndex = document.all.objSelect.selectedIndex;

// 11.??select??      

//document.all.objSelect.options.length = 0; 



//??????????????

//??: onkeydown="return keyClick('search');

function keyClick(btnID){

    if (event.keyCode == 13){

        event.returnValue=false;

        event.cancel = true;

        document.getElementById(btnID).click();

        return false;

    }

}



//???????XY??

function getPos(oArg) {

    /*

    getPos(document.getElementById('img1')).x

    getPos(document.getElementById('img1')).y

    */

    var oPos = new Object();

    oPos.x = oArg.offsetLeft;

    oPos.y = oArg.offsetTop;

    while (oArg.tagName.toLocaleLowerCase() != "body" && oArg.tagName.toLocaleLowerCase() != "html") {

        oArg = oArg.offsetParent;

        oPos.x += oArg.offsetLeft;

        oPos.y += oArg.offsetTop;

    }

    return oPos; //????

}



//???????

//<img src="XXXX" alt="????????" onload="javascript:drawImage(this,'200','200');" />

function drawImage(ImgD, FitWidth, FitHeight) {

    var image = new Image();

    image.src = ImgD.src;

    if (image.width > 0 && image.height > 0) {

        if (image.width / image.height >= FitWidth / FitHeight) {

            if (image.width > FitWidth) {

                ImgD.width = FitWidth;

                ImgD.height = (image.height * FitWidth) / image.width;

            } else {

                ImgD.width = image.width;

                ImgD.height = image.height;

            }

        } else {

            if (image.height > FitHeight) {

                ImgD.height = FitHeight;

                ImgD.width = (image.width * FitHeight) / image.height;

            } else {

                ImgD.width = image.width;

                ImgD.height = image.height;

            }

        }

    }

}



//??????

function getPageCharset() {

    var charSet = "";

    var oType = getBrowser();

    switch (oType) {

        case "IE":

            charSet = document.charset;

            break;

        case "FIREFOX":

            charSet = document.characterSet;

            break;

        default:

            break;

    }

    return charSet;

}

//???????

function getBrowser() {

    var oType = null;

    if (navigator.userAgent.indexOf("MSIE") != -1) {

        oType = "IE";

    }

    else if (navigator.userAgent.indexOf("Firefox") != -1) {

        oType = "Firefox";

    }

    return oType;

}



//js????(yyyy-mm-dd)

//a??b??1

//a??b??-1

//a??b??0

function compdate(a, b) {

    var arr = a.split("-");

    var starttime = new Date(arr[0], arr[1], arr[2]);

    var starttimes = starttime.getTime();



    var arrs = b.split("-");

    var lktime = new Date(arrs[0], arrs[1], arrs[2]);

    var lktimes = lktime.getTime();



    if (starttimes > lktimes) {

        return 1;

    }

    else if (starttimes < lktimes) {

        return -1;

    }

    else if (starttimes == lktimes) {

        return 0;

    }

    else {

        return 'exception';

    }

}



//js????(yyyy-mm-dd hh:mi:ss)

//a??b??1

//a??b??-1

//a??b??0

function comptime(a, b) {

    //var beginTime = "2009-09-21 00:00:00";

    //var endTime = "2009-09-21 00:00:01";

    var beginTime = a;

    var endTime = b;



    //??Firefox???

    if (getBrowser() == 'Firefox') {

        beginTime = strToDate(beginTime);

        beginTime = beginTime.getMonth() + "/" + beginTime.getDate() + "/" + beginTime.getFullYear() + " " + beginTime.getHours() + ":" + beginTime.getMinutes() + ":" + beginTime.getSeconds();



        endTime = strToDate(endTime);

        endTime = endTime.getMonth() + "/" + endTime.getDate() + "/" + endTime.getFullYear() + " " + endTime.getHours() + ":" + endTime.getMinutes() + ":" + endTime.getSeconds();



    }

    else {

        var beginTimes = beginTime.substring(0, 10).split('-');

        var endTimes = endTime.substring(0, 10).split('-');



        beginTime = beginTimes[1] + '-' + beginTimes[2] + '-' + beginTimes[0] + ' ' + beginTime.substring(10, 19);

        endTime = endTimes[1] + '-' + endTimes[2] + '-' + endTimes[0] + ' ' + endTime.substring(10, 19);



        //alert(beginTime + "aaa" + endTime);

        //alert(Date.parse(endTime));

        //alert(Date.parse(beginTime));		

    }



    var a = (Date.parse(endTime) - Date.parse(beginTime)) / 3600 / 1000;

    if (a < 0) {

        return 1;

    } else if (a > 0) {

        return -1;

    } else if (a == 0) {

        return 0;

    } else {

        return 'exception';

    }

}



//????????

function getStrLen(str) {

    var totallength = 0;

    for (var i = 0; i < str.length; i++) {

        var intCode = str.charCodeAt(i);

        if (intCode >= 0 && intCode <= 128) {

            totallength = totallength + 1; //?????????? 1

        }

        else {

            totallength = totallength + 2; //???????? 2

        }

    } //end for  

    return totallength;

}



//IE?firefox?????????

function copyToClipboard(txt) {

    txt = encodeURI(txt);

    if (window.clipboardData) {

        window.clipboardData.clearData();

        window.clipboardData.setData("Text", txt);

        alert("?????");

    }

    else if (navigator.userAgent.indexOf("Opera") != -1) {

        window.location = txt;

    }

    else if (window.netscape) {

        try {

            netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");

        } catch (e) {

            alert("???????\n??????????'about:config'???\n???'signed.applets.codebase_principal_support'???'true'");

        }

        var clip = Components.classes['@mozilla.org/widget/clipboard;1'].createInstance(Components.interfaces.nsIClipboard);

        if (!clip)

            return;

        var trans = Components.classes['@mozilla.org/widget/transferable;1'].createInstance(Components.interfaces.nsITransferable);

        if (!trans)

            return;

        trans.addDataFlavor('text/unicode');

        var str = new Object();

        var len = new Object();

        var str = Components.classes["@mozilla.org/supports-string;1"].createInstance(Components.interfaces.nsISupportsString);

        var copytext = txt;

        str.data = copytext;

        trans.setTransferData("text/unicode", str, copytext.length * 2);

        var clipid = Components.interfaces.nsIClipboard;

        if (!clip)

            return false;

        clip.setData(trans, null, clipid.kGlobalClipboard);

        alert("?????");

    }

}



//?????Date

//dateString:String 2008-01-01 00:00:00

function strToDate(dateString) {

    var d = dateString.split(' ');



    var date = d[0];

    var dates = date.split('-');



    var time = null;

    var times = null;

    if (d[1]) {

        time = d[1];

        times = time.split(':');

    }



    var dd = new Date();

    dd.setFullYear(dates[0]);

    dd.setMonth(dates[1]);

    dd.setDate(dates[2]);



    if (times) {

        if (times[0]) {

            dd.setHours(times[0]);

        }

        if (times[1]) {

            dd.setMinutes(times[1]);

        }

        if (times[2]) {

            dd.setSeconds(times[2]);

        }

    }



    return dd;

}



//???????

function inputInt(objID) {

    var obj = document.getElementById(objID);

    obj.setAttribute("onkeyup", "this.value=this.value.replace(/[^\\d]/g,'')");

    obj.setAttribute("onbeforepaste", "clipboardData.setData('text',clipboardData.getData('text').replace(/[^\\d]/g,''))");

}



//??????????

function inputDecimal(objID) {

    var obj = document.getElementById(objID);

    obj.setAttribute("onkeyup", "this.value=this.value.replace(/[^0-9.]/g,'')");

    obj.setAttribute("onbeforepaste", "clipboardData.setData('text',clipboardData.getData('text').replace(/[^0-9.]/g,''))");

}



//???????

function isMobile(s) {

    var ex = /^0*(13|15)\d{9}$/;

    return ex.test(s);

}



//???QQ?

function isQQ(s) {

    var ex = /^[1-9][0-9]{4,}$/;

    return ex.test(s);

}



//???????

function isTel(s) {

    var ex = /^[0][1-9]{2,3}-[0-9]{5,8}$/;

    if (!ex.test(s)) {

        ex = /^[1-9]{1}[0-9]{5,8}$/;

        return ex.test(s);

    }

    else {

        return true;

    }

}



//?????

function isEmail(s) {

    var ex = /^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/;

    return ex.test(s);

}



//?????

function isPostCode(s) {

    var ex = /^[1-9][0-9]{5}$/;

    return ex.test(s);

}



//????????

function isCnID(s) {

    var ex = /(^\d{15}$)|(^\d{17}([0-9]|X)$)/;  

    return ex.test(s);

}



//?????????

function getLocalTime(nS) {  

	return new Date(parseInt(nS) * 1000).toLocaleString();

} 



//???UNIX???

function getUnixTime(datestr) {

	var new_str = datestr.replace(/:/g, "-");

	new_str = new_str.replace(/ /g, "-");

	var arr = new_str.split("-");

    var datum = new Date(Date.UTC(arr[0], arr[1] - 1, arr[2], arr[3] - 8, arr[4], arr[5]));

    return (datum.getTime() / 1000);  //?PHP??

}



//?????

function getPageCount(total, page_size) {

	total = parseInt(total);

	page_size = parseInt(page_size);

	if (total % page_size == 0) {

		return Math.floor(total / page_size);

	}

	else {

		return Math.floor((total / page_size) + 1);

	}	

}