161.标题栏document.title//162.背景图片//背景图片不动//背景图片居中163.设置透明效果document.form.xxx.filters.alpha.opacity=0～100//164.定义方法var dragapproved=false;document.οnmοuseup=new Function("dragapproved = false");// 165.将数字转化为人民币大写形式function convertCurrency(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"; 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 = "人民币"; var CN_DOLLAR = "元"; var CN_TEN_CENT = "角"; 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 == "") { alert("Empty input!"); return ""; } if (currencyDigits.match(/[^,.\d]/) != null) { alert("Invalid characters in the input string!"); return ""; } if ((currencyDigits).match(/^((\d{1,3}(,\d{3})*(.((\d{3},)*\d{1,3}))?)|(\d+(.\d+)?))$/) == null) { alert("Illegal format of digit number!"); 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) { alert("Too large a number to convert!"); 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 = CN_SYMBOL + outputCharacters; return outputCharacters;}// 166.xml数据岛绑定表格
接收人
发送人
主题
内容
表格的结束
//cd_catalog.xml Empire Burlesque Bob Dylan USA Columbia 10.90 1985 Hide your heart Bonnie Tyler UK CBS Records 9.90 1988 Greatest Hits Dolly Parton USA RCA 9.90 1982 Still got the blues Gary Moore UK Virgin records 10.20 1990 //167.以下组合可以正确显示汉字================================xml保存编码 xml页面指定编码ANSI gbk/GBK、gb2312Unicode unicode/UnicodeUTF-8 UTF-8================================ 168.XML操作
169.动态修改CSS的另一种方式this.runtimeStyle.cssText = "color:#990000;border:1px solid #cccccc";//170.正则表达式匹配中文字符的正则表达式： [\u4e00-\u9fa5]匹配双字节字符(包括汉字在内)：[^\x00-\xff]应用：计算字符串的长度（一个双字节字符长度计2，ASCII字符计1）String.prototype.len=function(){return this.replace([^\x00-\xff]/g,"aa").length;}匹配空行的正则表达式：\n[\s| ]*\r匹配HTML标记的正则表达式：/<(.*)>.*<\/\1>|<(.*) \/>/匹配首尾空格的正则表达式：(^\s*)|(\s*$)应用：javascript中没有像vbscript那样的trim函数，我们就可以利用这个表达式来实现，如下：String.prototype.trim = function(){ return this.replace(/(^\s*)|(\s*$)/g, "");}利用正则表达式分解和转换IP地址：下面是利用正则表达式匹配IP地址，并将IP地址转换成对应数值的Javascript程序：function IP2V(ip){ re=/(\d+)\.(\d+)\.(\d+)\.(\d+)/g //匹配IP地址的正则表达式if(re.test(ip)){return RegExp.$1*Math.pow(255,3))+RegExp.$2*Math.pow(255,2))+RegExp.$3*255+RegExp.$4*1}else{ throw new Error("Not a valid IP address!")}}不过上面的程序如果不用正则表达式，而直接用split函数来分解可能更简单，程序如下：var ip="10.100.20.168"ip=ip.split(".")alert("IP值是："+(ip[0]*255*255*255+ip[1]*255*255+ip[2]*255+ip[3]*1))匹配Email地址的正则表达式：\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*匹配网址URL的正则表达式：http://([\w-]+\.)+[\w-]+(/[\w- ./?%&=]*)?//利用正则表达式去除字串中重复的字符的算法程序：var s="abacabefgeeii"var s1=s.replace(/(.).*\1/g,"$1")var re=new RegExp("["+s1+"]","g")var s2=s.replace(re,"")alert(s1+s2) //结果为：abcefgi思路是使用后向引用取出包括重复的字符，再以重复的字符建立第二个表达式，取到不重复的字符，两者串连。这个方法对于字符顺序有要求的字符串可能不适用。//得用正则表达式从URL地址中提取文件名的javascript程序，如下结果为page1s="http://www.9499.net/page1.htm"s=s.replace(/(.*\/){0,}([^\.]+).*/ig,"$2")alert(s)/利用正则表达式限制网页表单里的文本框输入内容：用正则表达式限制只能输入中文：οnkeyup="value=value.replace(/[^\u4E00-\u9FA5]/g,'')"onbeforepaste="clipboardData.setData('text',clipboardData.getData('text').replace(/[^\u4E00-\u9FA5]/g,''))"用正则表达式限制只能输入全角字符： οnkeyup="value=value.replace(/[^\uFF00-\uFFFF]/g,'')"onbeforepaste="clipboardData.setData('text',clipboardData.getData('text').replace(/[^\uFF00-\uFFFF]/g,''))"用正则表达式限制只能输入数字：οnkeyup="value=value.replace(/[^\d]/g,'')"onbeforepaste="clipboardData.setData('text',clipboardData.getData('text').replace(/[^\d]/g,''))"用正则表达式限制只能输入数字和英文：οnkeyup="value=value.replace(/[\W]/g,'')"onbeforepaste="clipboardData.setData('text',clipboardData.getData('text').replace(/[^\d]/g,''))" 171.设置和使用cookie设置与读取 cookies...写入cookie的值// 172.取月的最后一天function getLastDay(year,month){ //取年 var new_year = year; //取到下一个月的第一天,注意这里传入的month是从1～12 var new_month = month++; //如果当前是12月，则转至下一年 if(month>12) { new_month -=12; new_year++; } var new_date = new Date(new_year,new_month,1); return (new Date(new_date.getTime()-1000*60*60*24)).getDate();}//173.判断当前的焦点是组中的哪一个for(var i=0;i<3;i++) if(event.srcElement==bb[i]) break;// 174.实现类package com.baosight.view.utils;import javax.servlet.jsp.tagext.TagSupport;import javax.servlet.http.HttpSession;public class Mytag extends TagSupport{ public int doStartTag() throws javax.servlet.jsp.JspException { boolean canAccess = false; HttpSession session= pageContext.getSession(); if (canAccess) { return EVAL_BODY_INCLUDE; } else { return this.SKIP_BODY; } }}175.在web.xml中添加定义 guoguo /WEB-INF/abc.tld 176.标签库中定义abc.tld 1.0 1.1 hr guoguo Extra 3 Tag Library mytag com.baosight.view.utils.Mytag id2 true true 177.在使用自定义标签的页面中加入自己定义的标签，<%@ taglib uri="guoguo" prefix="guoguo"%>//自己定义标签 178.显示带边框的集