如何获得jsp页面中的控件呢?100分!近来就有! 控件页面是JSP生成的吗?如果是,建议生成时给控件命名,记录到数据库中提交时从数据库中获得该控件组。我做过考试系统时这样完成的。 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 document.getElementsByTagName("input")就可以了 操作控件value:document.表单名.控件名.value=...; 可以設置同樣的id這樣就形成一個collection就用數組的方式來使用啦 对于每个控件可以都做为一个button然后用onClick()发给JavaScript在SCRIPT中设置控件的值再用submit()设置控件的值也可以用一个隐藏表单来。这样就能对所有的控件设置一个值,而只需要在onClick="function(para)"改变你的参值就行了 这是我写的客户端输入校验代码,只要对FORM里边的每个element设置好ID,就可以对整个FORM进行输入校验。function checkForm(theform,isQuery,isTitle){ for(i=0;i<theform.length;i++){ var item=theform.elements[i]; if(item.id!=''){ var lists=item.id.split("."); var type="String"; var field=lists[0]; var notEmpty=false; if(lists.length==2){ type=lists[0]; field=lists[1]; notEmpty=false; }else if(lists.length>2 ){ type=lists[0]; field=lists[1]; notEmpty=(lists[2]=="1") ? true : false; } if((item.title!=""&&isTitle)||field=="")field=item.title; if(item.type=='hidden' || item.type=='text' || item.type=='textarea'|| item.type=='select-one'|| item.type=='file'){ if(isEmpty(item.value)){ if(notEmpty){ alert("'"+field+"'ぃ"); if(item.type!='hidden')item.focus(); return false; } } else if(type=="Integer" && !isInteger(item.value,isQuery)){ alert("'"+field+"'俱计"); if(item.type!='hidden')item.focus(); return false; } else if(type=="UnsignedInt" && !isUnsignedInt(item.value,isQuery)){ alert("'"+field+"'獶璽俱计"); if(item.type!='hidden')item.focus(); return false; } else if(type=="Number" && !isNumeric(item.value,isQuery)){ alert("'"+field+"'计"); if(item.type!='hidden')item.focus(); return false; } else if(type=="Date" && !isDate(item.value,isQuery)){ alert("'"+field+"'ら戳"); if(item.type!='hidden')item.focus(); return false; } else if(type=="Time" && !isTime(item.value)){ alert("'"+field+"'丁"); if(item.type!='hidden')item.focus(); return false; } else if(type=="ShortTime" && !isHourMinute(item.value)){ alert("'"+field+"'丁HH:MM"); if(item.type!='hidden')item.focus(); return false; } else if(type=="DateTime" && !isDateTime(item.value,isQuery)){ alert("'"+field+"'ら戳丁YYYY-MM-DD hh:mm[:ss]"); if(item.type!='hidden')item.focus(); return false; } else if(type=="Image" && !isImg(item.value)){ alert("'"+field+"'瓜Α莱GIF,┪JPG"); if(item.type!='hidden')item.focus(); return false; } else if(type=="Float" && !isFloat(item.value,isQuery)){ alert("'"+field+"'计"); if(item.type!='hidden')item.focus(); return false; } } } } return true;}function getRealValue(v){ var prefix = getPrefix(v); return v.substring(prefix.length,v.length);}function getPrefix(v){ if(v.substring(0,2)==">=") return ">="; if(v.substring(0,2)=="<=") return "<="; if(v.substring(0,2)=="<>") return "<>"; if(v.substring(0,2)=="!=") return "!="; if(v.substring(0,1)==">") return ">"; if(v.substring(0,1)=="<") return "<"; if(v.substring(0,1)=="=") return "="; return "";} 续上//Is Okfunction isEmpty(s){ if(s.match(/^\s*$/))return true; return false;}function ltrim(s,c){ var sTemp=s; if(s==null)return ""; if(c==null)c=' '; while(sTemp.substring(0,1)==c){ sTemp=sTemp.substring(1); } return sTemp;}function rtrim(s,c){ var sTemp=s; if(s==null)return ""; if(c==null)c=' '; while(sTemp.substring(sTemp.length-2,sTemp.length-1)==c){ sTemp=sTemp.substring(0,sTemp.length-2); } return sTemp; }function trim(s,c){ return rtrim(ltrim(s,c),c);}//Is OKfunction isUnsignedInt(s,isQuery,Min,Max){ if(isQuery){ if(s.indexOf(":")>-1) { var list = s.split(":"); return isUnsignedInt(list[0]) && isUnsignedInt(list[1]); } else { return isUnsignedInt(getRealValue(s)); } } var ma=s.match(/^(\d+)$/); if(Max<=0)Max=null; if(Min<=0)Min=null; if(ma==null)return false; var val=ltrim(ma[1],'0'); if(Max!=null && (val-Max)>0)return false; if(Min!=null && (val-Min)<0)return false; return true;}//Is OKfunction isInteger(s,isQuery,signed,Min,Max){ if(isQuery){ if(s.indexOf(":")>-1) { var list = s.split(":"); return isInteger(list[0]) && isInteger(list[1]); } else { return isInteger(getRealValue(s)); } } var ma=s.match(/^([\+|\-]?)(\d+)$/); if(ma==null)return false; if(signed=='+' && ma[1]!='+' && ma[1]!='')return false; if(signed=='-' && ma[1]!='-')return false; var val=ltrim(ma[2],'0'); if(Max!=null && (val-Max)>0)return false; if(Min!=null && (val-Min)<0)return false; return true;}//Is OKfunction isFloat(s,isQuery,signed){ if(isQuery){ if(s.indexOf(":")>-1) { var list = s.split(":"); return isFloat(list[0]) && isFloat(list[1]); } else { return isFloat(getRealValue(s)); } } if(isInteger(s,signed))return true; var ma=s.match(/^([\+|\-]?\d+)\.(\d+)$/); if(ma==null)return false; if(!isInteger(ma[1],signed))return false; return true;}function isSepFloat(s,signed){ var ma=s.match(/^([\+|\-]?)\d{1,3}(,\d{3})*(\.(\d{3},)*\d{1,3})?$/); if(ma==null)return false; if(signed=='+' && ma[1]!='+' && ma[1]!='')return false; if(signed=='-' && ma[1]!='-')return false; return true; }//Is OKfunction isScience(s,signed){ var ma=s.match(/^([\+|\-]?)\d+(\.?\d)?\d*[E|e][\+|\-]?\d+$/); if(ma==null)return false; if(signed=='+' && ma[1]!='+'&&ma[1]!='')return false; if(signed=='-' && ma[1]!='-')return false; return true;}//Is OKfunction isNumeric(s,isQuery,signed){ if(isQuery){ if(s.indexOf(":")>-1) { var list = s.split(":"); return isNumeric(list[0]) && isNumeric(list[1]); } else { return isNumeric(getRealValue(s)); } } if(isInteger(s,signed) || isFloat(s,signed) || isScience(s,signed))return true; return false;}//Is OKfunction isDate(s, isQuery, d1, d2){ if(isQuery){ if(s.indexOf(":")>-1) { var list = s.split(":"); return isDate(list[0]) && isDate(list[1]); } else { return isDate(getRealValue(s)); } } if(s==null)return false; // YYMMDD,YY-MM-DD,YY/MM/DD,YYYYMMDD,YYYY-MM-DD,YYYY/MM/DD var matchArray=trim(s).match(/^((\d{2}){1,2})\-(\d{2})\-(\d{2})$/); if(matchArray==null){ matchArray=s.match(/^((\d{2}){1,2})\/(\d{2})\/(\d{2})$/); if(matchArray==null){ matchArray=s.match(/^((\d{2}){1,2})(\d{2})(\d{2})$/); if(matchArray==null)return false; } } var year=matchArray[1]; var month=matchArray[3]; var day=matchArray[4]; if((month-12)>0 || (month-1)<0)return false; if((day-31)>0 ||(day-1)<0)return false; if((day - getDays(year,month))>0)return false; var date=new Date(year,month-1,day); var date1=isDate(d1); var date2=isDate(d2); if(date1 && date.getTime()<date1.getTime())return false; if(date2 && date.getTime()>date2.getTime())return false; return date;}function isDate2(s, isQuery, d1, d2){ if(isQuery){ if(s.indexOf(":")>-1) { var list = s.split(":"); return isDate2(list[0]) && isDate2(list[1]); } else { return isDate2(getRealValue(s)); } } if(s==null)return false; // YY-MM-DD,YYYY-MM-DD var matchArray=trim(s).match(/^((\d{2}){1,2})\-(\d{2})\-(\d{2})$/); if(matchArray==null)return false; var year=matchArray[1]; var month=matchArray[3]; var day=matchArray[4]; if((month-12)>0 || (month-1)<0)return false; if((day-31)>0 ||(day-1)<0)return false; if((day - getDays(year,month))>0)return false; var date=new Date(year,month-1,day); var date1=isDate2(d1); var date2=isDate2(d2); if(date1 && date.getTime()<date1.getTime())return false; if(date2 && date.getTime()>date2.getTime())return false; return date;}function getDays(year,month){ if( (month==1) || (month==3) || (month==5) || (month==7) || (month==8) || (month==10) || (month==12))return 31; if(month==4 || month==6 || month==9 || month==11)return 30; if(year%400==0)return 29; if(year%100==0)return 28; if(year%4==0)return 29; return 28;}function isImg(value) { value = value.substring(value.lastIndexOf(".")+1,value.length).toUpperCase(); if(value!="JPG" && value!="GIF") return false; return true;}//IS OKfunction isTime(s,t1,t2){// HH:mm[:ss] var ma=trim(s).match(/^(\d{1,2}):(\d{1,2})(:(\d{1,2}))?$/); if(ma==null)return false; var hour=ma[1]; var minu=ma[2]; var seco=ma[4]; if((hour-23)>0 || hour<0)return false; if((minu-59)>0)return false; if((seco-59)>0)return false; var date=new Date(); date.setHours(hour); date.setMinutes(minu); date.setSeconds(seco); var date1=isTime(t1); var date2=isTime(t2); if(date1 && date.getTime()<date1.getTime())return false; if(date2 && date.getTime()>date2.getTime())return false; return date;}function isHourMinute(s,t1,t2){ var ma=trim(s).match(/^(\d{1,2}):(\d{1,2})$/); if(ma==null)return false; var hour=ma[1]; var minu=ma[2]; if((hour-23)>0 || hour<0)return false; if((minu-59)>0)return false; var date=new Date(); date.setHours(hour); date.setMinutes(minu); var date1=isHourMinute(t1); var date2=isHourMinute(t2); if(date1 && date.getTime()<date1.getTime())return false; if(date2 && date.getTime()>date2.getTime())return false; return date;}//Is OKfunction isDateTime(s,isQuery,d1,d2){ //Date Time if(isQuery){ if(s.length>20) { var var1 = s.substring(0,s.length/2); var var2 = s.substring(s.length/2+1,s.length); return isDateTime(var1) && isDateTime(var2); } else { return isDateTime(getRealValue(s)); } } var ma=trim(s).split(" "); var date=ma[0]; var time=ma[1]; if(!time) return false; var dDate=isDate(date); var dTime=isTime(time); var date1=isDateTime(d1); var date2=isDateTime(d2); if(dDate && dTime && ma[2]==null){ dDate.setHours(dTime.getHours()); dDate.setMinutes(dTime.getMinutes()); dDate.setSeconds(dTime.getSeconds()); if(date1 && dDate.getTime()<date1.getTime())return false; if(date2 && dDate.getTime()>date2.getTime())return false; return dDate; } return false;} 即时查询的问题,帮忙看看 100分 关于for update锁表的一个小问题. jsp中链接传值求助! 求jsp实现分页的代码,多谢! struts2+hibernate表单提交数据中文乱码,人快疯了,求解 急:如何将数据字典中的数据项读取到内存中,菜鸟一枚,望大神们指点 jsp中的有关SCOPE的问题. 如何远程调用ejb 100分送上,如何分析这个xml,得到所有节点,用于创建表,生成类。。。。。 prepareStatement有时无法从数据库获得数据 用ITEXT在JSP生成PDF,显示问题,求教. ※※关于表与表之间取数据的问题!真的很急呀!后悔当初数据库没好好看看!
document.表单名.控件名.value=...;
這樣就形成一個collection就用數組的方式來使用啦
再用submit()设置控件的值也可以用一个隐藏表单来。这样就能对所有的控件设置一个值,而只需要在onClick="function(para)"改变你的参值就行了
function checkForm(theform,isQuery,isTitle){
for(i=0;i<theform.length;i++){
var item=theform.elements[i];
if(item.id!=''){
var lists=item.id.split(".");
var type="String";
var field=lists[0];
var notEmpty=false; if(lists.length==2){
type=lists[0];
field=lists[1];
notEmpty=false;
}else if(lists.length>2 ){
type=lists[0];
field=lists[1];
notEmpty=(lists[2]=="1") ? true : false;
}
if((item.title!=""&&isTitle)||field=="")field=item.title; if(item.type=='hidden' || item.type=='text' || item.type=='textarea'|| item.type=='select-one'|| item.type=='file'){
if(isEmpty(item.value)){
if(notEmpty){
alert("'"+field+"'ぃ");
if(item.type!='hidden')item.focus();
return false;
}
} else if(type=="Integer" && !isInteger(item.value,isQuery)){
alert("'"+field+"'俱计");
if(item.type!='hidden')item.focus();
return false;
}
else if(type=="UnsignedInt" && !isUnsignedInt(item.value,isQuery)){
alert("'"+field+"'獶璽俱计");
if(item.type!='hidden')item.focus();
return false;
}
else if(type=="Number" && !isNumeric(item.value,isQuery)){
alert("'"+field+"'计");
if(item.type!='hidden')item.focus();
return false;
}
else if(type=="Date" && !isDate(item.value,isQuery)){
alert("'"+field+"'ら戳");
if(item.type!='hidden')item.focus();
return false;
}
else if(type=="Time" && !isTime(item.value)){
alert("'"+field+"'丁");
if(item.type!='hidden')item.focus();
return false;
}
else if(type=="ShortTime" && !isHourMinute(item.value)){
alert("'"+field+"'丁HH:MM");
if(item.type!='hidden')item.focus();
return false;
}
else if(type=="DateTime" && !isDateTime(item.value,isQuery)){
alert("'"+field+"'ら戳丁YYYY-MM-DD hh:mm[:ss]");
if(item.type!='hidden')item.focus();
return false;
}
else if(type=="Image" && !isImg(item.value)){
alert("'"+field+"'瓜Α莱GIF,┪JPG");
if(item.type!='hidden')item.focus();
return false;
} else if(type=="Float" && !isFloat(item.value,isQuery)){
alert("'"+field+"'计");
if(item.type!='hidden')item.focus();
return false;
} }
}
}
return true;
}
function getRealValue(v)
{
var prefix = getPrefix(v);
return v.substring(prefix.length,v.length);
}function getPrefix(v){
if(v.substring(0,2)==">=") return ">=";
if(v.substring(0,2)=="<=") return "<=";
if(v.substring(0,2)=="<>") return "<>";
if(v.substring(0,2)=="!=") return "!=";
if(v.substring(0,1)==">") return ">";
if(v.substring(0,1)=="<") return "<";
if(v.substring(0,1)=="=") return "=";
return "";
}
//Is Ok
function isEmpty(s){
if(s.match(/^\s*$/))return true;
return false;
}function ltrim(s,c){
var sTemp=s;
if(s==null)return "";
if(c==null)c=' ';
while(sTemp.substring(0,1)==c){
sTemp=sTemp.substring(1);
}
return sTemp;
}function rtrim(s,c){
var sTemp=s;
if(s==null)return "";
if(c==null)c=' ';
while(sTemp.substring(sTemp.length-2,sTemp.length-1)==c){
sTemp=sTemp.substring(0,sTemp.length-2);
}
return sTemp;
}function trim(s,c){
return rtrim(ltrim(s,c),c);
}//Is OK
function isUnsignedInt(s,isQuery,Min,Max){
if(isQuery){
if(s.indexOf(":")>-1) {
var list = s.split(":");
return isUnsignedInt(list[0]) && isUnsignedInt(list[1]);
} else {
return isUnsignedInt(getRealValue(s));
}
}
var ma=s.match(/^(\d+)$/);
if(Max<=0)Max=null;
if(Min<=0)Min=null;
if(ma==null)return false;
var val=ltrim(ma[1],'0');
if(Max!=null && (val-Max)>0)return false;
if(Min!=null && (val-Min)<0)return false;
return true;
}
//Is OK
function isInteger(s,isQuery,signed,Min,Max){
if(isQuery){
if(s.indexOf(":")>-1) {
var list = s.split(":");
return isInteger(list[0]) && isInteger(list[1]);
} else {
return isInteger(getRealValue(s));
}
}
var ma=s.match(/^([\+|\-]?)(\d+)$/);
if(ma==null)return false;
if(signed=='+' && ma[1]!='+' && ma[1]!='')return false;
if(signed=='-' && ma[1]!='-')return false;
var val=ltrim(ma[2],'0');
if(Max!=null && (val-Max)>0)return false;
if(Min!=null && (val-Min)<0)return false;
return true;
}
//Is OK
function isFloat(s,isQuery,signed){
if(isQuery){
if(s.indexOf(":")>-1) {
var list = s.split(":");
return isFloat(list[0]) && isFloat(list[1]);
} else {
return isFloat(getRealValue(s));
}
}
if(isInteger(s,signed))return true;
var ma=s.match(/^([\+|\-]?\d+)\.(\d+)$/);
if(ma==null)return false;
if(!isInteger(ma[1],signed))return false;
return true;
}
function isSepFloat(s,signed){
var ma=s.match(/^([\+|\-]?)\d{1,3}(,\d{3})*(\.(\d{3},)*\d{1,3})?$/);
if(ma==null)return false;
if(signed=='+' && ma[1]!='+' && ma[1]!='')return false;
if(signed=='-' && ma[1]!='-')return false;
return true;
}
//Is OK
function isScience(s,signed){
var ma=s.match(/^([\+|\-]?)\d+(\.?\d)?\d*[E|e][\+|\-]?\d+$/);
if(ma==null)return false;
if(signed=='+' && ma[1]!='+'&&ma[1]!='')return false;
if(signed=='-' && ma[1]!='-')return false;
return true;
}
//Is OK
function isNumeric(s,isQuery,signed){
if(isQuery){
if(s.indexOf(":")>-1) {
var list = s.split(":");
return isNumeric(list[0]) && isNumeric(list[1]);
} else {
return isNumeric(getRealValue(s));
}
} if(isInteger(s,signed) || isFloat(s,signed) || isScience(s,signed))return true;
return false;
}//Is OK
function isDate(s, isQuery, d1, d2){
if(isQuery){
if(s.indexOf(":")>-1) {
var list = s.split(":");
return isDate(list[0]) && isDate(list[1]);
} else {
return isDate(getRealValue(s));
}
}
if(s==null)return false;
// YYMMDD,YY-MM-DD,YY/MM/DD,YYYYMMDD,YYYY-MM-DD,YYYY/MM/DD
var matchArray=trim(s).match(/^((\d{2}){1,2})\-(\d{2})\-(\d{2})$/);
if(matchArray==null){
matchArray=s.match(/^((\d{2}){1,2})\/(\d{2})\/(\d{2})$/);
if(matchArray==null){
matchArray=s.match(/^((\d{2}){1,2})(\d{2})(\d{2})$/);
if(matchArray==null)return false;
}
}
var year=matchArray[1];
var month=matchArray[3];
var day=matchArray[4];
if((month-12)>0 || (month-1)<0)return false;
if((day-31)>0 ||(day-1)<0)return false;
if((day - getDays(year,month))>0)return false;
var date=new Date(year,month-1,day);
var date1=isDate(d1);
var date2=isDate(d2);
if(date1 && date.getTime()<date1.getTime())return false;
if(date2 && date.getTime()>date2.getTime())return false;
return date;
}function isDate2(s, isQuery, d1, d2){
if(isQuery){
if(s.indexOf(":")>-1) {
var list = s.split(":");
return isDate2(list[0]) && isDate2(list[1]);
} else {
return isDate2(getRealValue(s));
}
}
if(s==null)return false;
// YY-MM-DD,YYYY-MM-DD
var matchArray=trim(s).match(/^((\d{2}){1,2})\-(\d{2})\-(\d{2})$/);
if(matchArray==null)return false;
var year=matchArray[1];
var month=matchArray[3];
var day=matchArray[4];
if((month-12)>0 || (month-1)<0)return false;
if((day-31)>0 ||(day-1)<0)return false;
if((day - getDays(year,month))>0)return false;
var date=new Date(year,month-1,day);
var date1=isDate2(d1);
var date2=isDate2(d2);
if(date1 && date.getTime()<date1.getTime())return false;
if(date2 && date.getTime()>date2.getTime())return false;
return date;
}function getDays(year,month){
if( (month==1)
|| (month==3)
|| (month==5)
|| (month==7)
|| (month==8)
|| (month==10)
|| (month==12))return 31;
if(month==4 || month==6 || month==9 || month==11)return 30;
if(year%400==0)return 29;
if(year%100==0)return 28;
if(year%4==0)return 29;
return 28;
}function isImg(value) {
value = value.substring(value.lastIndexOf(".")+1,value.length).toUpperCase();
if(value!="JPG" && value!="GIF")
return false;
return true;
}//IS OK
function isTime(s,t1,t2){
// HH:mm[:ss]
var ma=trim(s).match(/^(\d{1,2}):(\d{1,2})(:(\d{1,2}))?$/);
if(ma==null)return false;
var hour=ma[1];
var minu=ma[2];
var seco=ma[4];
if((hour-23)>0 || hour<0)return false;
if((minu-59)>0)return false;
if((seco-59)>0)return false;
var date=new Date();
date.setHours(hour);
date.setMinutes(minu);
date.setSeconds(seco);
var date1=isTime(t1);
var date2=isTime(t2);
if(date1 && date.getTime()<date1.getTime())return false;
if(date2 && date.getTime()>date2.getTime())return false;
return date;
}
function isHourMinute(s,t1,t2){
var ma=trim(s).match(/^(\d{1,2}):(\d{1,2})$/);
if(ma==null)return false;
var hour=ma[1];
var minu=ma[2];
if((hour-23)>0 || hour<0)return false;
if((minu-59)>0)return false;
var date=new Date();
date.setHours(hour);
date.setMinutes(minu);
var date1=isHourMinute(t1);
var date2=isHourMinute(t2);
if(date1 && date.getTime()<date1.getTime())return false;
if(date2 && date.getTime()>date2.getTime())return false;
return date;
}
//Is OK
function isDateTime(s,isQuery,d1,d2){
//Date Time
if(isQuery){
if(s.length>20) {
var var1 = s.substring(0,s.length/2);
var var2 = s.substring(s.length/2+1,s.length);
return isDateTime(var1) && isDateTime(var2);
} else {
return isDateTime(getRealValue(s));
}
} var ma=trim(s).split(" ");
var date=ma[0];
var time=ma[1];
if(!time) return false;
var dDate=isDate(date);
var dTime=isTime(time);
var date1=isDateTime(d1);
var date2=isDateTime(d2);
if(dDate && dTime && ma[2]==null){
dDate.setHours(dTime.getHours());
dDate.setMinutes(dTime.getMinutes());
dDate.setSeconds(dTime.getSeconds());
if(date1 && dDate.getTime()<date1.getTime())return false;
if(date2 && dDate.getTime()>date2.getTime())return false;
return dDate;
}
return false;
}