//=============================================
//建立日期（qī）：2012年（nián）7月24日
//功能概述：通用函数集，供系（xì）统全（quán）局调用
//调用方法：在调用文件头引入即可，如（rú）下：
//
//
//
//=============================================
//==========================================
//功能: 去掉字符（fú）左边的空格
//输入参数:要格（gé）式化的（de）字符串
//返回值（zhí）:去掉（diào）左边（biān）空格的字符串（chuàn）
//调用（yòng）方法
//==========================================
function ltrim(str)
{
if (str==null) return null;
var s="";
for (var i=0;i=0;i--)
{
if (str.charAt(i)!=" ")
{
s=str.substring(0,i+1);
break;
}
}
return s;
}//==========================================
//功能: 去（qù）掉字符左右边的空格
//输入参数:要（yào）格式化（huà）的（de）字符串
//返回值:去掉左右边空格的字符串
//调用方法
//==========================================function trim(str)
{
return(ltrim(rtrim(str)));
}//==========================================
//功能: 字符转为大写
//输入参数:无
//返回（huí）值:空
//调用（yòng）方法:在文本控件（jiàn）里onkeydown="jsUpperCase();"
//==========================================
function jsUpperCase()
{
if ((window.event.keyCode>=97) && (window.event.keyCode<=122))
window.event.keyCode = window.event.keyCode-32;
}//==========================================
//功能: 把输入的字符转为大写
//输入参数:当（dāng）前对（duì）象
//返回（huí）值:空
//调用方（fāng）法（fǎ）:在文（wén）本控（kòng）件（jiàn）里onblur="toUpperCase(this);"
//==========================================
function toJsUpperCase(obj)
{
try {
var s = obj.value;
if (trim(s) == "") return;
obj.value = s.toUpperCase();
} catch(e) {
}
}//==========================================
//功（gōng）能（néng）: 把（bǎ）输入的字（zì）符转为小写
//输入（rù）参数（shù）:无
//返回值（zhí）:空
//调用方法:在文本控件里onkeydown="jsLowerCase();"
//==========================================
function jsLowerCase()
{
if ((window.event.keyCode>=65) && (window.event.keyCode<=90))
window.event.keyCode = window.event.keyCode+32;
}//==========================================
//功能: 把输入的字符转为小写
//输（shū）入参数（shù）:当前对象
//返回值:空
//调用方（fāng）法:在文本控（kòng）件（jiàn）里onblur="toJsLowerCase(this);"
//==========================================
function toJsLowerCase(obj)
{
var s = obj.value;
if (trim(s) == "") return;
obj.value = s.toLowerCase();
}
//==========================================
//功能: 只能输入数字
//输入参数:
//obj:输入域对象
//symbol:输（shū）入符号，有"-","."两（liǎng）种（zhǒng），用","分开
//bite:小数点后面（miàn）位数，默认2位
//返回值:空（kōng）
//调用方法:在文（wén）本控件里onkeypress="typeNumber(this,'.,-',2);"
//==========================================
function typeNumber(obj,symbol,bite)
{
var str = trim(obj.value.replace(/\,/g,""));
var bDot = false;
var bNega = false;
if (typeof(symbol) == 'undefined') symbol = "";
if (typeof(bite) == 'undefined') bite = 2;
bDot = (symbol.indexOf(".")>=0?true:false);
bNega = (symbol.indexOf("-")>=0?true:false);
if (bNega) //允许输入负号
{
//只能第一位为负号
if (str.length>0 && window.event.keyCode == 45)
{
window.event.returnValue = false;
return;
} //只能（néng）输入一个负号
if (str.indexOf("-")>=0 && window.event.keyCode == 45)
{
window.event.returnValue = false;
return;
}
} if (bDot) //允许输入小数点
{
//只能输入一个小数点
if (str.indexOf(".")>=0 && window.event.keyCode == 46)
{
window.event.returnValue = false;
return;
}
}
//验证小数点后两位
if ( str.indexOf(".")>=0 ) {
var temp = str;
if ( str.indexOf("-")>=0 ) {
temp = str.substring(1,str.length);
}
if ( ! behindDot(temp,bite -1) ) {
window.event.returnValue = false;
return;
}
} if (window.event.keyCode<48 || window.event.keyCode>57)
{
if ((bDot && window.event.keyCode == 46) || (bNega && window.event.keyCode == 45))
{
return;
}
window.event.returnValue = false;
}
}//==========================================
//功能: 只能输入整数
//输入（rù）参（cān）数（shù）:negative 是否允（yǔn）许输入负数，true:允许输入负（fù）数（shù），false:不允许，默（mò）认（rèn）:false
//返回值:空
//调（diào）用（yòng）方法:在文本控件里（lǐ）onkeypress="typeInteger(this,false);"
//==========================================
function typeInteger(obj,negative)
{
if (typeof(negative) == 'undefined') negative = false;
typeNumber(obj,(negative==true?"-":""));
}//==========================================
//功能: 只能输入浮点（diǎn）数
//参数:
//obj，输入域对象
//negative:是否（fǒu）允许输入负数，true:允许输入负数，false:不允许（xǔ），默（mò）认:false
//返回（huí）值（zhí）:空
//调（diào）用方（fāng）法:在文本控件里onkeypress="typeFloat(this,false);"
//==========================================
function typeFloat(obj,negative)
{
if (typeof(negative) == 'undefined') negative = false;
typeNumber(obj,(negative==true?"-,.":"."));
}//==========================================
//功（gōng）能（néng）: 只能输入（rù）整（zhěng）数
//参数（shù）:当前对象
//返（fǎn）回值:boolean
//调用（yòng）方法:在文本控件里（lǐ）onblur="verifyInteger(this);"
//==========================================
function verifyInteger(obj,negative)
{
if (typeof(negative) == 'undefined') negative = false;
verifyNumber(obj,(negative==true?"-":""));
}//==========================================
//功（gōng）能: 只能（néng）输入（rù）浮点（diǎn）数
//参数:当前对象
//返（fǎn）回值:boolean
//调用（yòng）方法:在文本控件里onblur="verifyFloat(this);"
//==========================================
function verifyFloat(obj,negative)
{
if (typeof(negative) == 'undefined') negative = false;
verifyNumber(obj,(negative==true?"-,.":"."));
}//==========================================
//功（gōng）能: 只能输入（rù）有（yǒu）效数字
//参数:
//obj:输入域对象
//symbol:输入符号，有"-","."两种，用","分开
//bite:小数点后位数
//返回值:boolean
//调（diào）用（yòng）方法（fǎ）:在文（wén）本（běn）控件里onblur="verifyNumber(this,'-,.',2);"
//==========================================
function verifyNumber(obj,symbol,bite)
{
var bDot = false;
var bNega = false;
if (typeof(symbol) == 'undefined') symbol = "";
if (typeof(bite) == 'undefined') bite = 2;
bDot = (symbol.indexOf(".")>=0?true:false);
bNega = (symbol.indexOf("-")>=0?true:false);
var errInfo = "不是（shì）有效（xiào）的数（shù）字！\n\n请重新（xīn）输入！";
var str = trim(obj.value);
if (str == "") return true;
try
{
if (!isNumber(str,symbol))
{
$.messager.alert("提示", "\"" + str + "\""+errInfo, "error");
obj.value="";
obj.focus();
return false;
}
}
catch (e)
{
$.messager.alert("提（tí）示", "\"" + str + "\"", "error");
obj.value="";
obj.focus();
return false;
}
//验（yàn）证小数（shù）点后两位
if ( str.indexOf(".")>=0 ) {
var temp = str;
if ( str.indexOf("-")>=0 ) {
temp = str.substring(1,str.length);
}
if( !behindDot(temp,bite) ) {
$.messager.alert("提示", "\"" + str + "\"小数位不能多于"+ bite+"位！", "info");
return false;
}
}
return true;
}//==========================================
//功能: 只能输入有效（xiào）数字（金额）
//参（cān）数:
//obj:输（shū）入（rù）域对象
//symbol:输入符号，有（yǒu）"-","."两（liǎng）种，用","分开
//bite:小数点后位数
//返回值:boolean
//调用方法:在文本控件里onblur="verifyMoney(this,'-,.',2);"
//==========================================
function verifyMoney(obj,symbol,bite)
{
if (typeof(symbol) == 'undefined') symbol = "";
if (typeof(bite) == 'undefined') bite = 2;
var errInfo = "不（bú）是有效金额,请重新输（shū）入！";
var str = trim(obj.value.toString().replace(/\,/g,""));
if (str == "") return true;
try
{
if (!isNumber(str,symbol))
{
$.messager.alert("提示", errInfo, "error");
obj.value="";
obj.focus();
return false;
}
if ((str).match(/^((\d{1,3}(,\d{3})*(.((\d{3},)*\d{1,3}))?)|(\d+(.\d+)?))$/) == null) {
$.messager.alert("提示", errInfo, "error");
obj.value="";
obj.focus();
return false;
}
}
catch (e)
{
$.messager.alert("提示", "\"" + str + "\""+errInfo, "error");
obj.value="";
obj.focus();
return false;
}
//验证小数点后两位
if ( str.indexOf(".")>=0 ) {
var temp = str;
if ( str.indexOf("-")>=0 ) {
temp = str.substring(1,str.length);
}
if( !behindDot(temp,bite) ) {
$.messager.alert("提（tí）示", "\"" + str + "\"小数（shù）位不（bú）能（néng）多于"+ bite+"位！", "error");
return false;
}
}
return true;
}//==========================================
//功（gōng）能: 验证（zhèng）是（shì）否为有（yǒu）效数字，允许用科（kē）学计数法，即包含字母E
//str:传入的（de）字符串
//symbol:输（shū）入符号，有"-","."两种，用","分开
//返回值:boolean
//调用方法（fǎ）:"
//==========================================function isNumber(str,symbol)
{
var bDot = false;
var bNega = false;
if (typeof(symbol) == 'undefined') symbol = "";
bDot = (symbol.indexOf(".")>=0?true:false);
bNega = (symbol.indexOf("-")>=0?true:false);
var bFlag = true;
for(var i=0;i57)
{
if (bDot && str.charCodeAt(i)==46) continue;
if (bNega && str.charCodeAt(i)==45) continue;
if (str.charCodeAt(i) == 69) continue; //字母 E,科学计数表示法
bFlag = false;
break;
}
}
return bFlag;
}
//======================================
//验（yàn）证小数点后面（miàn）的位数是否超过指定长度
//str：数（shù）字字符串
//length：小数（shù）位（wèi）最大值（zhí）
//======================================
function behindDot(str,length) {
var re = new RegExp("^[0-9]+(.[0-9]{0,"+ length +"})?$");
return re.test(str);
}
//==========================================
//Purpose:把字符（fú）串（chuàn）转化为（wéi）整（zhěng）数
//参数:s--要（yào）转化为整数的字符（fú）串
//返回值:转化后的整数
//说明（míng）：JavaScript自（zì）带（dài）的函数对于处理数字字（zì）符串（chuàn）前带0或为0的有误，
//如使用parseInt("0025")返回的并不是25，而是21,又如parseInt("0")返回并不是（shì）0，而是（shì）NaN
//下（xià）面的自（zì）定义函（hán）数可（kě）以处理这一Bug
//调用方法:
//==========================================function parseMyInt(s)
{
var str = trim(s);
if (str == "") return 0;
try
{
for (var i=0;i maxlength){
slt.value = mContext.substr(0, maxlength);
}
return true;
}
/**
* 货币转化（huà）为中文大写
* @param currencyDigits
* @returns
*/
function toAmountUpper(currencyDigits) {
//Constants:
var MAXIMUM_NUMBER = 99999999999.99;
// Predefine the radix characters and currency symbols for output:
var CN_ZERO = "零";
var CN_ONE = "壹";
var CN_TWO = "贰";
var CN_THREE = "叁";
var CN_FOUR = "肆";
var CN_FIVE = "伍";
var CN_SIX = "陆（lù）";
var CN_SEVEN = "柒";
var CN_EIGHT = "捌";
var CN_NINE = "玖";
var CN_TEN = "拾";
var CN_HUNDRED = "佰";
var CN_THOUSAND = "仟";
var CN_TEN_THOUSAND = "万";
var CN_HUNDRED_MILLION = "亿";
var CN_SYMBOL = "";
var CN_DOLLAR = "元";
var CN_TEN_CENT = "角（jiǎo）";
var CN_CENT = "分（fèn）";
var CN_INTEGER = "整（zhěng）"; // Variables:
var integral; // Represent integral part of digit number.
var decimal; // Represent decimal part of digit number.
var outputCharacters; // The output result.
var parts;
var digits, radices, bigRadices, decimals;
var zeroCount;
var i, p, d;
var quotient, modulus; // Validate input string:
currencyDigits = currencyDigits.toString();
if (currencyDigits == "") {
return "";
}
if (currencyDigits.match(/[^,.\d]/) != null) {
$.messager.alert("提示", "输入的字符无效！", "error");
return "";
}
if ((currencyDigits).match(/^((\d{1,3}(,\d{3})*(.((\d{3},)*\d{1,3}))?)|(\d+(.\d+)?))$/) == null) {
$.messager.alert("提示", "错误的数据格式！", "error");
return "";
} //Normalize the format of input digits:
currencyDigits = currencyDigits.replace(/,/g, ""); // Remove comma delimiters.
currencyDigits = currencyDigits.replace(/^0+/, ""); // Trim zeros at the beginning.
// Assert the number is not greater than the maximum number.
if (Number(currencyDigits) > MAXIMUM_NUMBER) {
$.messager.alert("提（tí）示", "金额长度太长（zhǎng），请检查后重试。", "info");
return "";
} //Process the coversion from currency digits to characters:
//Separate integral and decimal parts before processing coversion:
parts = currencyDigits.split(".");
if (parts.length > 1) {
integral = parts[0];
decimal = parts[1];
// Cut down redundant decimal digits that are after the second.
decimal = decimal.substr(0, 2);
}
else {
integral = parts[0];
decimal = "";
} // Prepare the characters corresponding to the digits:
digits = new Array(CN_ZERO, CN_ONE, CN_TWO, CN_THREE, CN_FOUR, CN_FIVE, CN_SIX, CN_SEVEN, CN_EIGHT, CN_NINE);
radices = new Array("", CN_TEN, CN_HUNDRED, CN_THOUSAND);
bigRadices = new Array("", CN_TEN_THOUSAND, CN_HUNDRED_MILLION);
decimals = new Array(CN_TEN_CENT, CN_CENT);
// Start processing:
outputCharacters = "";
// Process integral part if it is larger than 0:
if (Number(integral) > 0) {
zeroCount = 0;
for (i = 0; i < integral.length; i++) {
p = integral.length - i - 1;
d = integral.substr(i, 1);
quotient = p / 4;
modulus = p % 4;
if (d == "0") {
zeroCount++;
}
else {
if (zeroCount > 0)
{
outputCharacters += digits[0];
}
zeroCount = 0;
outputCharacters += digits[Number(d)] + radices[modulus];
}
if (modulus == 0 && zeroCount < 4) {
outputCharacters += bigRadices[quotient];
}
}
outputCharacters += CN_DOLLAR;
}
// Process decimal part if there is:
if (decimal != "") {
for (i = 0; i < decimal.length; i++) {
d = decimal.substr(i, 1);
if (d != "0") {
outputCharacters += digits[Number(d)] + decimals[i];
}
}
}
// Confirm and return the final output string:
if (outputCharacters == "") {
outputCharacters = CN_ZERO + CN_DOLLAR;
}
if (decimal == "") {
outputCharacters += CN_INTEGER;
}
outputCharacters = outputCharacters;
if (CN_SYMBOL != "")
outputCharacters = CN_SYMBOL + outputCharacters;
return outputCharacters;
}/**
* 对于float数值（zhí）进行运算
* @param c 运算数（shù）字
* @param d 运算数字
* @param n 运算类型 0-加;1-减;2-乘;3-除
*/
function calFloat(c,d,n){
/**
* a,b 小数"字（zì）符串"
* n运算类型： 0为+ 1为- 2为乘 3为除
*/
//去掉空相
var re = /\s/g;
var a=c.replace(re,"");
var b=d.replace(re,""); var cutN ="10000000000000";
var cutZero = "00000000000"; var dot="."; //将小（xiǎo）数输入为整（zhěng）数 var adot = a.indexOf(dot)>0 ? a.length-a.indexOf(dot):0;
var bdot = b.indexOf(dot)>0 ? b.length-b.indexOf(dot):0; var cutA = adot>0? parseInt(cutN.substr(0,adot)):1;
var cutB = bdot>0? parseInt(cutN.substr(0,bdot)):1; var maxcutAB = Math.max(cutA,cutB);
var mincutAB = Math.min(cutA,cutB); var cutAB = maxcutAB/mincutAB ;
var numA = 0 ; var numB = 0; var inzero = cutZero.substr(0,(cutAB.toString()).length-1);
var cutLen = (maxcutAB.toString()).length-1; if(adot==bdot){
numA = parseInt(a.replace(dot,""),10);
numB = parseInt(b.replace(dot,""),10);
} else if(adot>bdot){
numA = parseInt(a.replace(dot,""),10);
numB = parseInt(b.replace(dot,"")+inzero,10);
} else{
numB = parseInt(b.replace(dot,""),10);
numA = parseInt(a.replace(dot,"")+inzero,10);
} var numAB = "0.0";
var lastN = "0.0"; switch(n){
case 0: //加（jiā）
numAB = ((numA+numB)/maxcutAB).toString();
break; case 1: //减
numAB = ((numA-numB)/maxcutAB).toString();
break; case 2: //乘（chéng）
numAB = (Math.abs(numA*numB)).toString();
cutLen = cutLen*2;
break; case 3: //除
numAB = (numA/numB).toString();
break;
}
//对乘法的特别处理
if(n==2){
if (numAB.length<=cutLen){
numAB=cutZero.substr(0,cutLen-numAB.length+1)+numAB;
}
if(Math.abs(numA*numB) !=numA*numB ){
numAB = "-"+numAB;
}
numAB=numAB.slice(0,numAB.length-cutLen)+"."+numAB.slice(numAB.length-cutLen);
} return parseFloat(numAB).toString();
}/**
* 格式化float值，一直把最后一个字符为0的去掉（diào）
*/
function formarFloat(fValue)
{
var result = "";
if (fValue)
{
if (fValue.indexOf(".") != -1)
{
while(fValue.substring(fValue.length-1,fValue.length) == "0")
{
fValue = fValue.substring(0, fValue.length-1);
}
if (fValue.substring(fValue.length-1,fValue.length) == "."){
fValue = fValue.substring(0, fValue.length-1);
}
}
result = fValue;
}
return result;
}
var strPreObjName = "";
function keepPreData(obj) {
strPreObjName = trim(obj.value);
}
/**
* 更加工程名称（chēng）转换成工程拼（pīn）音简写
* @param obj1
* @param obj2
*/
function tranPY(obj1, obj2) {
var strObjName = "";
strObjName = trim(obj1.value); //判断字符串是否有改（gǎi）变
if (strObjName != strPreObjName) {
if (strObjName == "") {
return;
} var arrRslt = makePy(strObjName);
if (arrRslt.length >= 1) {
obj2.value = arrRslt[0];
}
}
}/**
* 将（jiāng）全角转换成（chéng）半（bàn）角
* 调用方式：onkeyup="CtoH(this);"
* @param obj1
*/
function CtoH(obj) {
var str = obj.value;
var result = "";
for ( var i = 0; i < str.length; i++) {
if (str.charCodeAt(i) == 12288) {
result += String.fromCharCode(str.charCodeAt(i) - 12256);
continue;
}
if (str.charCodeAt(i) > 65280 && str.charCodeAt(i) < 65375)
result += String.fromCharCode(str.charCodeAt(i) - 65248);
else
result += String.fromCharCode(str.charCodeAt(i));
}
obj.value = result;
}