//============================================= //建立(lì)日(rì)期:2012年7月24日 //功能(néng)概(gài)述:通用函数集,供系统全局调用 //调用方(fāng)法:在调用文件头引(yǐn)入即(jí)可(kě),如下: // // // //============================================= //========================================== //功(gōng)能: 去掉字符左(zuǒ)边的(de)空(kōng)格 //输入参数:要格式化的(de)字符串 //返回值:去掉左边(biān)空格(gé)的字符串 //调用方法 //========================================== 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: 去掉字符左右边的空格 //输入参数:要格(gé)式化的字符串 //返回(huí)值:去(qù)掉左右边(biān)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(shū)入参数:无 //返回值:空 //调用(yòng)方法(fǎ):在文本(běn)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(bǎ)输入的字符转为大写 //输入(rù)参数(shù):当前对象(xiàng) //返回值:空 //调用方法(fǎ):在文本控件里onblur="toUpperCase(this);" //========================================== function toJsUpperCase(obj) { try { var s = obj.value; if (trim(s) == "") return; obj.value = s.toUpperCase(); } catch(e) { } }//========================================== //功能: 把输(shū)入(rù)的字符转为小写 //输入(rù)参数: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(néng): 把输入的字(zì)符转为小写 //输入参数(shù):当(dāng)前对象 //返回(huí)值:空 //调用方(fāng)法(fǎ):在文本控(kòng)件里onblur="toJsLowerCase(this);" //========================================== function toJsLowerCase(obj) { var s = obj.value; if (trim(s) == "") return; obj.value = s.toLowerCase(); } //========================================== //功能: 只能输入(rù)数(shù)字 //输入参(cān)数: //obj:输入域对(duì)象(xiàng) //symbol:输入(rù)符号,有(yǒu)"-","."两种,用(yòng)","分开 //bite:小数点后(hòu)面位数,默认2位(wèi) //返(fǎn)回值:空 //调用(yòng)方法:在文本控件(jiàn)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(yǔn)许(xǔ)输入负号(hào) { //只能第一位为负号 if (str.length>0 && window.event.keyCode == 45) { window.event.returnValue = false; return; } //只(zhī)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(xǔ)输入小数点 { //只(zhī)能(néng)输(shū)入一个小数点(diǎn) if (str.indexOf(".")>=0 && window.event.keyCode == 46) { window.event.returnValue = false; return; } } //验证小(xiǎo)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(zhī)能输入整数 //输入参数:negative 是否允许输入(rù)负数(shù),true:允许输入负(fù)数,false:不允许,默认:false //返回值:空 //调用方法:在文本(běn)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(néng)输入浮点数 //参数: //obj,输入域对象 //negative:是否允(yǔn)许输入负(fù)数,true:允许(xǔ)输入负数,false:不允许,默(mò)认:false //返回值:空(kōng) //调(diào)用方(fāng)法:在(zài)文本控件里onkeypress="typeFloat(this,false);" //========================================== function typeFloat(obj,negative) { if (typeof(negative) == 'undefined') negative = false; typeNumber(obj,(negative==true?"-,.":".")); }//========================================== //功能: 只(zhī)能输入整数(shù) //参数:当前对象(xiàng) //返回值:boolean //调用方法:在文(wén)本控件里onblur="verifyInteger(this);" //========================================== function verifyInteger(obj,negative) { if (typeof(negative) == 'undefined') negative = false; verifyNumber(obj,(negative==true?"-":"")); }//========================================== //功能: 只能输入浮(fú)点数 //参数:当前对(duì)象 //返回值:boolean //调用(yòng)方法(fǎ):在文本控件里onblur="verifyFloat(this);" //========================================== function verifyFloat(obj,negative) { if (typeof(negative) == 'undefined') negative = false; verifyNumber(obj,(negative==true?"-,.":".")); }//========================================== //功能(néng): 只能输入有效数字 //参数(shù): //obj:输入域对象 //symbol:输入符号(hào),有"-","."两种,用","分开(kāi) //bite:小数点后位数 //返回值(zhí):boolean //调用方法:在(zài)文本控件里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 = "不是有效的(de)数字(zì)!\n\n请重新输入(rù)!"; var str = trim(obj.value); if (str == "") return true; try { if (!isNumber(str,symbol)) { $.messager.alert("提(tí)示", "\"" + str + "\""+errInfo, "error"); obj.value=""; obj.focus(); return false; } } catch (e) { $.messager.alert("提示", "\"" + str + "\"", "error"); obj.value=""; obj.focus(); return false; } //验证小数点(diǎn)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(wèi)不能多于"+ bite+"位!", "info"); return false; } } return true; }//========================================== //功能(néng): 只能输入有效数字(金额) //参数: //obj:输入域对象 //symbol:输入符号,有(yǒu)"-","."两种,用","分(fèn)开 //bite:小(xiǎo)数点后(hòu)位数(shù) //返(fǎn)回(huí)值:boolean //调(diào)用方(fāng)法:在(zài)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 = "不是有效金额,请重新输入!"; var str = trim(obj.value.toString().replace(/\,/g,"")); if (str == "") return true; try { if (!isNumber(str,symbol)) { $.messager.alert("提示(shì)", errInfo, "error"); obj.value=""; obj.focus(); return false; } if ((str).match(/^((\d{1,3}(,\d{3})*(.((\d{3},)*\d{1,3}))?)|(\d+(.\d+)?))$/) == null) { $.messager.alert("提(tí)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) ) { $.messager.alert("提示", "\"" + str + "\"小数位不能多于"+ bite+"位(wèi)!", "error"); return false; } } return true; }//========================================== //功能: 验证(zhèng)是(shì)否为有效数字,允许用科学计数法(fǎ),即包含字母E //str:传入的字符串 //symbol:输入符号,有"-","."两种(zhǒng),用","分开 //返回值:boolean //调用(yòng)方法:" //==========================================function isNumber(str,symbol) { var bDot = false; var bNega = false; if (typeof(symbol) == 'undefined') symbol = ""; bDot = (symbol.indexOf(".")>=0?true:false); bNega = (symbol.indexOf("-")>=0?true:false); var bFlag = true; for(var i=0;i57) { if (bDot && str.charCodeAt(i)==46) continue; if (bNega && str.charCodeAt(i)==45) continue; if (str.charCodeAt(i) == 69) continue; //字母 E,科学计数表示法 bFlag = false; break; } } return bFlag; } //====================================== //验证小(xiǎo)数点后面的位(wèi)数是否超过指(zhǐ)定长度 //str:数字字(zì)符串 //length:小数位最大值(zhí) //====================================== function behindDot(str,length) { var re = new RegExp("^[0-9]+(.[0-9]{0,"+ length +"})?$"); return re.test(str); } //========================================== //Purpose:把(bǎ)字符(fú)串转化为整数(shù) //参数:s--要(yào)转化为整数的字(zì)符(fú)串 //返(fǎn)回值:转化后的整数 //说明:JavaScript自带的函数对于处(chù)理数字字符串(chuàn)前带0或为0的有误(wù), //如使用(yòng)parseInt("0025")返回的并不是25,而(ér)是21,又如parseInt("0")返(fǎn)回并不是0,而是NaN //下面(miàn)的自定义函数可以处理这(zhè)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(huò)币(bì)转(zhuǎn)化为中文大写 * @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(sān)"; var CN_FOUR = "肆"; var CN_FIVE = "伍"; var CN_SIX = "陆(lù)"; var CN_SEVEN = "柒(qī)"; 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"; var CN_INTEGER = "整"; // 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("提示(shì)", "金(jīn)额长度太长,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数值进行运算 * @param c 运算数字 * @param d 运(yùn)算数字 * @param n 运算(suàn)类型 0-加;1-减;2-乘;3-除 */ function calFloat(c,d,n){ /** * a,b 小数"字符串(chuàn)" * n运算类型: 0为(wéi)+ 1为(wéi)- 2为乘(chéng) 3为除(chú) */ //去(qù)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="."; //将小数输入为(wéi)整数 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 numAB = ((numA+numB)/maxcutAB).toString(); break; case 1: //减 numAB = ((numA-numB)/maxcutAB).toString(); break; case 2: //乘 numAB = (Math.abs(numA*numB)).toString(); cutLen = cutLen*2; break; case 3: //除 numAB = (numA/numB).toString(); break; } //对乘(chéng)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(zhí),一(yī)直把(bǎ)最后一个字符为0的去掉 */ 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(chéng)名(míng)称转换成工程拼音简写 * @param obj1 * @param obj2 */ function tranPY(obj1, obj2) { var strObjName = ""; strObjName = trim(obj1.value); //判断字符串是否(fǒu)有改变 if (strObjName != strPreObjName) { if (strObjName == "") { return; } var arrRslt = makePy(strObjName); if (arrRslt.length >= 1) { obj2.value = arrRslt[0]; } } }/** * 将全角转换成半(bàn)角 * 调用(yòng)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; }