站内搜索三问,答不出来,给出思路也给分,第一个答案对我有启示的给90分! http://www.fs12345.com/bbs/space/viewspacepost.aspx?postid=174&spaceid=9关于分词或许有用 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 3.<script> function regInput(obj, reg, inputStr) { var docSel = document.selection.createRange() if (docSel.parentElement().tagName != "INPUT") return false oSel = docSel.duplicate() oSel.text = "" var srcRange = obj.createTextRange() oSel.setEndPoint("StartToStart", srcRange) var str = oSel.text + inputStr + srcRange.text.substr(oSel.text.length) return reg.test(str) }</script>小写英文:<xmp style= "display:inline"> </xmp><input onkeypress= "return regInput(this,/^[a-z]*$/,String.fromCharCode(event.keyCode))" onpaste = "return regInput(this,/^[a-z]*$/,window.clipboardData.getData('Text'))" ondrop = "return regInput(this,/^[a-z]*$/,event.dataTransfer.getData('Text'))" style="ime-mode:Disabled"><br>大写英文:<xmp style= "display:inline"> </xmp><input onkeypress= "return regInput(this,/^[A-Z]*$/,String.fromCharCode(event.keyCode))" onpaste = "return regInput(this,/^[A-Z]*$/,window.clipboardData.getData('Text'))" ondrop = "return regInput(this,/^[A-Z]*$/,event.dataTransfer.getData('Text'))" style="ime-mode:Disabled"><br>任意数字:<xmp style="display:inline"> </xmp><input onkeypress= "return regInput(this,/^[0-9]*$/,String.fromCharCode(event.keyCode))" onpaste = "return regInput(this,/^[0-9]*$/,window.clipboardData.getData('Text'))" ondrop = "return regInput(this,/^[0-9]*$/,event.dataTransfer.getData('Text'))" style="ime-mode:Disabled"><br>限2位小数:<xmp style="display:inline"> </xmp><input onkeypress= "return regInput(this,/^\d*\.?\d{0,2}$/,String.fromCharCode(event.keyCode))" onpaste = "return regInput(this,/^\d*\.?\d{0,2}$/,window.clipboardData.getData('Text'))" ondrop = "return regInput(this,/^\d*\.?\d{0,2}$/,event.dataTransfer.getData('Text'))" style="ime-mode:Disabled"> 如: 123.12<br>日 期:<xmp style="display:inline"> </xmp><input onkeypress= "return regInput(this,/^\d{1,4}([-\/](\d{1,2}([-\/](\d{1,2})?)?)?)?$/,String.fromCharCode(event.keyCode))" onpaste = "return regInput(this,/^\d{1,4}([-\/](\d{1,2}([-\/](\d{1,2})?)?)?)?$/,window.clipboardData.getData('Text'))" ondrop = "return regInput(this,/^\d{1,4}([-\/](\d{1,2}([-\/](\d{1,2})?)?)?)?$/,event.dataTransfer.getData('Text'))" style="ime-mode:Disabled"> 如: 2002-9-29<br>任意中文:<xmp style="display:inline"> </xmp><input onkeypress= "return regInput(this,/^$/,String.fromCharCode(event.keyCode))" onpaste = "return regInput(this,/^[\u4E00-\u9FA5]*$/,window.clipboardData.getData('Text'))" ondrop = "return regInput(this,/^[\u4E00-\u9FA5]*$/,event.dataTransfer.getData('Text'))"><br>部分英文:<xmp style="display:inline"> </xmp><input onkeypress= "return regInput(this,/^[a-e]*$/,String.fromCharCode(event.keyCode))" onpaste = "return regInput(this,/^[a-e]*$/,window.clipboardData.getData('Text'))" ondrop = "return regInput(this,/^[a-e]*$/,event.dataTransfer.getData('Text'))" style="ime-mode:Disabled"> 范围: a,b,c,d,e<br>部分中文:<xmp style="display:inline"> </xmp><script language=javascript>function checkChinese(oldLength, obj){ var oTR = window.document.selection.createRange() var reg = /[^一二三四五六七八九十]/g oTR.moveStart("character", -1*(obj.value.length-oldLength)) oTR.text = oTR.text.replace(reg, "")}</script><input onkeypress="return false" onkeydown="setTimeout('checkChinese('+this.value.length+','+this.uniqueID+')', 1)" onpaste = "return regInput(this,/^[一二三四五六七八九十]*$/,window.clipboardData.getData('Text'))" ondrop = "return regInput(this,/^[一二三四五六七八九十]*$/,event.dataTransfer.getData('Text'))"> 范围: 一二三四五六七八九十<br> 【个人意见,仅供参考】关于问题一:提供一个笨方法,在数据库中放两个content的字段,一个用来保存带html标记的内容,另一个保存过滤掉html标记的内容(过滤工作在提交时完成,过滤的方法可以找一些现成的“html标记过滤”之类的代码)。搜索时使用“不带html标记的content字段”,显示时使用“带html标记的content字段”。关于问题二:是否有缺陷应该依据你的网站内容而定:如果你是做搜索引擎,或者是一些专业技术文章之类的,则应该算是有缺陷的,因为无法满足用户的需求。 而如果是文学类的网站或者是新闻公告之类的内容,则这样做没有太大的问题。关于问题三:不妨到Baidu 或google上面找一找。 js数组操作问题、 求高手帮忙更改表格多列头拖动宽问题 EXTJS 实现异步动态增量加载数据 js获取java后台数据 jquery 中load()下载中文有乱码怎么办? 百度地图如何同时添加多个标记??? vml的group中line的显示问题 请问一个模块的实现 GOOGLE上调用的twitter的实时更新(详情请进) javascript 变量赋值问题 VBScript中如何取消一个事件? 请推荐下Web 文本 编辑器 Embed获取音乐当前播放时间
function regInput(obj, reg, inputStr)
{
var docSel = document.selection.createRange()
if (docSel.parentElement().tagName != "INPUT") return false
oSel = docSel.duplicate()
oSel.text = ""
var srcRange = obj.createTextRange()
oSel.setEndPoint("StartToStart", srcRange)
var str = oSel.text + inputStr + srcRange.text.substr(oSel.text.length)
return reg.test(str)
}
</script>小写英文:<xmp style= "display:inline"> </xmp>
<input onkeypress= "return regInput(this,/^[a-z]*$/,String.fromCharCode(event.keyCode))"
onpaste = "return regInput(this,/^[a-z]*$/,window.clipboardData.getData('Text'))"
ondrop = "return regInput(this,/^[a-z]*$/,event.dataTransfer.getData('Text'))"
style="ime-mode:Disabled"
><br>大写英文:<xmp style= "display:inline"> </xmp>
<input onkeypress= "return regInput(this,/^[A-Z]*$/,String.fromCharCode(event.keyCode))"
onpaste = "return regInput(this,/^[A-Z]*$/,window.clipboardData.getData('Text'))"
ondrop = "return regInput(this,/^[A-Z]*$/,event.dataTransfer.getData('Text'))"
style="ime-mode:Disabled">
<br>任意数字:<xmp style="display:inline"> </xmp>
<input onkeypress= "return regInput(this,/^[0-9]*$/,String.fromCharCode(event.keyCode))"
onpaste = "return regInput(this,/^[0-9]*$/,window.clipboardData.getData('Text'))"
ondrop = "return regInput(this,/^[0-9]*$/,event.dataTransfer.getData('Text'))"
style="ime-mode:Disabled"
><br>限2位小数:<xmp style="display:inline"> </xmp>
<input onkeypress= "return regInput(this,/^\d*\.?\d{0,2}$/,String.fromCharCode(event.keyCode))"
onpaste = "return regInput(this,/^\d*\.?\d{0,2}$/,window.clipboardData.getData('Text'))"
ondrop = "return regInput(this,/^\d*\.?\d{0,2}$/,event.dataTransfer.getData('Text'))"
style="ime-mode:Disabled"
> 如: 123.12<br>
日 期:<xmp style="display:inline"> </xmp>
<input onkeypress= "return regInput(this,/^\d{1,4}([-\/](\d{1,2}([-\/](\d{1,2})?)?)?)?$/,String.fromCharCode(event.keyCode))"
onpaste = "return regInput(this,/^\d{1,4}([-\/](\d{1,2}([-\/](\d{1,2})?)?)?)?$/,window.clipboardData.getData('Text'))"
ondrop = "return regInput(this,/^\d{1,4}([-\/](\d{1,2}([-\/](\d{1,2})?)?)?)?$/,event.dataTransfer.getData('Text'))"
style="ime-mode:Disabled"
> 如: 2002-9-29<br>任意中文:<xmp style="display:inline"> </xmp>
<input onkeypress= "return regInput(this,/^$/,String.fromCharCode(event.keyCode))"
onpaste = "return regInput(this,/^[\u4E00-\u9FA5]*$/,window.clipboardData.getData('Text'))"
ondrop = "return regInput(this,/^[\u4E00-\u9FA5]*$/,event.dataTransfer.getData('Text'))"
><br>部分英文:<xmp style="display:inline"> </xmp>
<input onkeypress= "return regInput(this,/^[a-e]*$/,String.fromCharCode(event.keyCode))"
onpaste = "return regInput(this,/^[a-e]*$/,window.clipboardData.getData('Text'))"
ondrop = "return regInput(this,/^[a-e]*$/,event.dataTransfer.getData('Text'))"
style="ime-mode:Disabled"
> 范围: a,b,c,d,e<br>部分中文:<xmp style="display:inline"> </xmp><script language=javascript>
function checkChinese(oldLength, obj)
{
var oTR = window.document.selection.createRange()
var reg = /[^一二三四五六七八九十]/g
oTR.moveStart("character", -1*(obj.value.length-oldLength))
oTR.text = oTR.text.replace(reg, "")
}
</script>
<input onkeypress="return false" onkeydown="setTimeout('checkChinese('+this.value.length+','+this.uniqueID+')', 1)"
onpaste = "return regInput(this,/^[一二三四五六七八九十]*$/,window.clipboardData.getData('Text'))"
ondrop = "return regInput(this,/^[一二三四五六七八九十]*$/,event.dataTransfer.getData('Text'))"
> 范围: 一二三四五六七八九十<br>
搜索时使用“不带html标记的content字段”,显示时使用“带html标记的content字段”。关于问题二:是否有缺陷应该依据你的网站内容而定:如果你是做搜索引擎,或者是一些专业技术文章之类的,则应该算是有缺陷的,因为无法满足用户的需求。 而如果是文学类的网站或者是新闻公告之类的内容,则这样做没有太大的问题。关于问题三:不妨到Baidu 或google上面找一找。