JS實(shí)現(xiàn)軟鍵盤(pán)的效果源代碼（經(jīng)典）(教程)
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見(jiàn)過(guò)很多網(wǎng)站在輸入密碼的時(shí)候使用的軟鍵盤(pán)嗎？你想在自己的網(wǎng)站上也有這樣的功能嗎？下面就是源代碼！
//定義當(dāng)前是否大寫(xiě)的狀態(tài) //<input name="UserPassword" type="Password" size="15" maxlength="15" onMouseOut="this.style.background=’’" onMouseOver="this.style.background=’#F9F9F9’" onFocus="this.select();" readOnly onKeyDown="Calc.password.value=this.value" onChange="Calc.password.value=this.value" onclick= "password1=this;showkeyboard();this.readOnly=1;Calc.password.value=’’"> window.onload= function() { password1=null; initCalc(); } var CapsLockValue=0; var check; function setVariables() { tablewidth=630; // logo width, in pixels tableheight=20; // logo height, in pixels if (navigator.appName == "Netscape") { horz=".left"; vert=".top"; docStyle="document."; styleDoc=""; innerW="window.innerWidth"; innerH="window.innerHeight"; offsetX="window.pageXOffset"; offsetY="window.pageYOffset"; } else { horz=".pixelLeft"; vert=".pixelTop"; docStyle=""; styleDoc=".style"; innerW="document.body.clientWidth"; innerH="document.body.clientHeight"; offsetX="document.body.scrollLeft"; offsetY="document.body.scrollTop"; } } function checkLocation() { if (check) { objectXY="softkeyboard"; var availableX=eval(innerW); var availableY=eval(innerH); var currentX=eval(offsetX); var currentY=eval(offsetY); x=availableX-tablewidth+currentX; //y=availableY-tableheight+currentY; y=currentY; evalMove(); } setTimeout("checkLocation()",0); } function evalMove() { //eval(docStyle + objectXY + styleDoc + horz + "=" + x); eval(docStyle + objectXY + styleDoc + vert + "=" + y); } self.onError=null; currentX = currentY = 0; whichIt = null; lastScrollX = 0; lastScrollY = 0; NS = (document.layers) ? 1 : 0; IE = (document.all) ? 1: 0; function heartBeat() { if(IE) { diffY = document.body.scrollTop; diffX = document.body.scrollLeft; } if(NS) { diffY = self.pageYOffset; diffX = self.pageXOffset; } if(diffY != lastScrollY) { percent = .1 * (diffY - lastScrollY); if(percent > 0) percent = Math.ceil(percent); else percent = Math.floor(percent); if(IE) document.all.softkeyboard.style.pixelTop += percent; if(NS) document.softkeyboard.top += percent; lastScrollY = lastScrollY + percent;} if(diffX != lastScrollX) { percent = .1 * (diffX - lastScrollX); if(percent > 0) percent = Math.ceil(percent); else percent = Math.floor(percent); if(IE) document.all.softkeyboard.style.pixelLeft += percent; if(NS) document.softkeyboard.left += percent; lastScrollX = lastScrollX + percent; } } function checkFocus(x,y) { stalkerx = document.softkeyboard.pageX; stalkery = document.softkeyboard.pageY; stalkerwidth = document.softkeyboard.clip.width; stalkerheight = document.softkeyboard.clip.height; if( (x > stalkerx && x < (stalkerx+stalkerwidth)) && (y > stalkery && y < (stalkery+stalkerheight))) return true; else return false;} function grabIt(e) { check = false; if(IE) { whichIt = event.srcElement; while (whichIt.id.indexOf("softkeyboard") == -1) { whichIt = whichIt.parentElement; if (whichIt == null) { return true; } } whichIt.style.pixelLeft = whichIt.offsetLeft; whichIt.style.pixelTop = whichIt.offsetTop; currentX = (event.clientX + document.body.scrollLeft); currentY = (event.clientY + document.body.scrollTop); } else { window.captureEvents(Event.MOUSEMOVE); if(checkFocus (e.pageX,e.pageY)) { whichIt = document.softkeyboard; StalkerTouchedX = e.pageX-document.softkeyboard.pageX; StalkerTouchedY = e.pageY-document.softkeyboard.pageY;} } return true; } function moveIt(e) { if (whichIt == null) { return false; } if(IE) { newX = (event.clientX + document.body.scrollLeft); newY = (event.clientY + document.body.scrollTop); distanceX = (newX - currentX); distanceY = (newY - currentY); currentX = newX; currentY = newY; whichIt.style.pixelLeft += distanceX; whichIt.style.pixelTop += distanceY; if(whichIt.style.pixelTop < document.body.scrollTop) whichIt.style.pixelTop = document.body.scrollTop; if(whichIt.style.pixelLeft < document.body.scrollLeft) whichIt.style.pixelLeft = document.body.scrollLeft; if(whichIt.style.pixelLeft > document.body.offsetWidth - document.body.scrollLeft - whichIt.style.pixelWidth - 20) whichIt.style.pixelLeft = document.body.offsetWidth - whichIt.style.pixelWidth - 20; if(whichIt.style.pixelTop > document.body.offsetHeight + document.body.scrollTop - whichIt.style.pixelHeight - 5) whichIt.style.pixelTop = document.body.offsetHeight + document.body.scrollTop - whichIt.style.pixelHeight - 5; event.returnValue = false; } else { whichIt.moveTo(e.pageX-StalkerTouchedX,e.pageY-StalkerTouchedY); if(whichIt.left < 0+self.pageXOffset) whichIt.left = 0+self.pageXOffset; if(whichIt.top < 0+self.pageYOffset) whichIt.top = 0+self.pageYOffset; if( (whichIt.left + whichIt.clip.width) >= (window.innerWidth+self.pageXOffset-17)) whichIt.left = ((window.innerWidth+self.pageXOffset)-whichIt.clip.width)-17; if( (whichIt.top + whichIt.clip.height) >= (window.innerHeight+self.pageYOffset-17)) whichIt.top = ((window.innerHeight+self.pageYOffset)-whichIt.clip.height)-17; return false;} return false; } function dropIt() {whichIt = null; if(NS) window.releaseEvents (Event.MOUSEMOVE); return true; } if(NS) {window.captureEvents(Event.MOUSEUP|Event.MOUSEDOWN); window.onmousedown = grabIt; window.onmousemove = moveIt; window.onmouseup = dropIt; } if(IE) { document.onmousedown = grabIt; document.onmousemove = moveIt; document.onmouseup = dropIt; } // if(NS || IE) action = window.setInterval("heartBeat()",1); document.write("<DIV align=center id=\"softkeyboard\" name=\"softkeyboard\" style=\"position:absolute; left:0px; top:0px; width:500px; z-index:180;display:none\"> <table id=\"CalcTable\" width=\"\" border=\"0\" align=\"center\" cellpadding=\"0\" cellspacing=\"0\" bgcolor=\"\"> <FORM id=Calc name=Calc action=\"\" method=post autocomplete=\"off\"> <tr> <td title=\"為了保證后臺(tái)登陸安全,建議使用密碼輸入器輸入密碼!\" align=\"right\" valign=\"middle\" bgcolor=\"\" style=\"cursor: default;height:30\"> <INPUT type=hidden value=\"\" name=password> <INPUT type=hidden value=ok name=action2> <font style=\"font-size:13px;\">電子商務(wù)購(gòu)物網(wǎng)站管理系統(tǒng)</font> 密碼輸入器                 <INPUT style=\"width:100px;height:20px;background-color:#54BAF1;\" type=button value=\"使用鍵盤(pán)輸入\" bgtype=\"1\" onclick=\"password1.readOnly=0;password1.focus();softkeyboard.style.display=’none’;password1.value=’’;\"><span style=\"width:2px;\"></span></td> </tr> <tr align=\"center\"> <td align=\"center\" bgcolor=\"#FFFFFF\"> <table align=\"center\" width=\"%\" border=\"0\" cellspacing=\"1\" cellpadding=\"0\">\n <tr align=\"left\" valign=\"middle\"> \n <td> <input type=button value=\" ~ \"></td>\n <td> <input type=button value=\" ! \"></td>\n <td> <input type=button value=\" @ \"></td>\n <td> <input type=button value=\" # \"></td>\n <td> <input type=button value=\" $ \"></td>\n <td> <input type=button value=\" % \"></td>\n <td> <input type=button value=\" ^ \"></td>\n <td> <input type=button value=\" & \"></td>\n <td> <input type=button value=\" * \"></td>\n <td> <input type=button value=\" ( \"></td>\n <td> <input type=button value=\" ) \"></td>\n <td> <input type=button value=\" _ \"></td>\n <td> <input type=button value=\" + \"></td>\n <td> <input type=button value=\" | \"></td>\n <td colspan=\"1\" rowspan=\"2\"> <input name=\"button10\" type=button value=\" 退格\" onclick=\"setpassvalue();\" onDblClick=\"setpassvalue();\" style=\"width:100px;height:42px\"> \n </td>\n </tr>\n <tr align=\"left\" valign=\"middle\"> \n <td> <input type=button value=\" ` \"></td>\n <td> <input type=button value=\" 1 \"></td>\n <td> <input type=button value=\" 2 \"></td>\n <td> <input type=button value=\" 3 \"></td>\n <td> <input type=button value=\" 4 \"></td>\n <td> <input type=button value=\" 5 \"></td>\n <td> <input type=button value=\" 6 \"></td>\n <td> <input type=button value=\" 7 \"></td>\n <td> <input type=button value=\" 8 \"></td>\n <td> <input type=button value=\" 9 \"></td>\n <td> <input name=\"button6\" type=button value=\" 0 \"></td>\n <td> <input type=button value=\" - \"></td>\n <td> <input type=button value=\" = \"></td>\n <td> <input type=button value=\" \\ \"></td>\n <td> </td>\n </tr>\n <tr align=\"left\" valign=\"middle\"> \n <td> <input type=button value=\" q \"></td>\n <td> <input type=button value=\" w \"></td>\n <td> <input type=button value=\" e \"></td>\n <td> <input type=button value=\" r \"></td>\n <td> <input type=button value=\" t \"></td>\n <td> <input type=button value=\" y \"></td>\n <td> <input type=button value=\" u \"></td>\n <td> <input type=button value=\" i \"></td>\n <td> <input type=button value=\" o \"></td>\n <td> <input name=\"button8\" type=button value=\" p \"></td>\n <td> <input name=\"button9\" type=button value=\" { \"></td>\n <td> <input type=button value=\" } \"></td>\n <td> <input type=button value=\" [ \"></td>\n <td> <input type=button value=\" ] \"></td>\n <td><input name=\"button9\" type=button onClick=\"capsLockText();setCapsLock();\" onDblClick=\"capsLockText();setCapsLock();\" value=\"切換大/小寫(xiě)\" style=\"width:100px;\"></td>\n </tr>\n <tr align=\"left\" valign=\"middle\"> \n <td> <input type=button value=\" a \"></td>\n <td> <input type=button value=\" s \"></td>\n <td> <input type=button value=\" d \"></td>\n <td> <input type=button value=\" f \"></td>\n <td> <input type=button value=\" g \"></td>\n <td> <input type=button value=\" h \"></td>\n <td> <input type=button value=\" j \"></td>\n <td> <input name=\"button3\" type=button value=\" k \"></td>\n <td> <input name=\"button4\" type=button value=\" l \"></td>\n <td> <input name=\"button5\" type=button value=\" : \"></td>\n <td> <input name=\"button7\" type=button value=\" " \"></td>\n <td> <input type=button value=\" ; \"></td>\n <td> <input type=button value=\" ’ \"></td>\n <td rowspan=\"2\" colspan=\"2\"> <input name=\"button12\" type=button onclick=\"OverInput();\" value=\" 確定 \" style=\"width:130px;height:42\"></td>\n </tr>\n <tr align=\"left\" valign=\"middle\"> \n <td> <input name=\"button2\" type=button value=\" z \"></td>\n <td> <input type=button value=\" x \"></td>\n <td> <input type=button value=\" c \"></td>\n <td> <input type=button value=\" v \"></td>\n <td> <input type=button value=\" b \"></td>\n <td> <input type=button value=\" n \"></td>\n <td> <input type=button value=\" m \"></td>\n <td> <input type=button value=\" < \"></td>\n <td> <input type=button value=\" > \"></td>\n <td> <input type=button value=\" ? \"></td>\n <td> <input type=button value=\" , \"></td>\n <td> <input type=button value=\" . \"></td>\n <td> <input type=button value=\" / \"></td>\n </tr>\n </table></td> </FORM> </tr> </table></DIV>") //給輸入的密碼框添加新值function addValue(newValue) { if (CapsLockValue==0) { var str=Calc.password.value; if(str.length<password1.maxLength) { Calc.password.value += newValue; } if(str.length<=password1.maxLength) { password1.value=Calc.password.value; } } else { var str=Calc.password.value; if(str.length<password1.maxLength) { Calc.password.value += newValue.toUpperCase(); } if(str.length<=password1.maxLength) { password1.value=Calc.password.value; } } } //實(shí)現(xiàn)BackSpace鍵的功能 function setpassvalue() { var longnum=Calc.password.value.length; var num num=Calc.password.value.substr(0,longnum-1); Calc.password.value=num; var str=Calc.password.value; password1.value=Calc.password.value; } //輸入完畢 function OverInput() { //m_pass.mempass.value=Calc.password.value; var str=Calc.password.value; password1.value=Calc.password.value; //alert(theForm.value); //theForm.value=m_pass.mempass.value; softkeyboard.style.display="none"; Calc.password.value=""; password1.readOnly=1; //password1.value=Calc.password.value; } //關(guān)閉軟鍵盤(pán) function closekeyboard(theForm) { //eval("var theForm="+theForm+";"); //theForm.value=""; softkeyboard.style.display="none"; //Calc.password.value=""; } //顯示軟鍵盤(pán) function showkeyboard() { if(event.y+140) softkeyboard.style.top=event.y+document.body.scrollTop+15; if((event.x-250)>0) { softkeyboard.style.left=event.x-250; } else { softkeyboard.style.left=0; } softkeyboard.style.display="block"; password1.readOnly=1; password1.blur(); //password1.value=""; } //設(shè)置是否大寫(xiě)的值 function setCapsLock() { if (CapsLockValue==0) { CapsLockValue=1 // Calc.showCapsLockValue.value="當(dāng)前是大寫(xiě) "; } else { CapsLockValue=0 // Calc.showCapsLockValue.value="當(dāng)前是小寫(xiě) "; } } function setCalcborder() { CalcTable.style.border="1px solid #0090FD" } function setHead() { CalcTable.cells[0].style.backgroundColor="#7EDEFF" } function setCalcButtonBg() { for(var i=0;i<Calc.elements.length;i++) { if(Calc.elements[i].type=="button"&&Calc.elements[i].bgtype!="1") { // if(i==10) // alert(123); Calc.elements[i].style.borderTopWidth= 0 Calc.elements[i].style.borderRightWidth= 2 Calc.elements[i].style.borderBottomWidth= 2 Calc.elements[i].style.borderLeftWidth= 0 Calc.elements[i].style.borderTopStyle= "none"; Calc.elements[i].style.borderRightStyle= "solid"; Calc.elements[i].style.borderBottomStyle= "solid"; Calc.elements[i].style.borderLeftStyle= "none"; //#46AC17 Calc.elements[i].style.borderTopColor= "#118ACC"; Calc.elements[i].style.borderRightColor= "#118ACC"; Calc.elements[i].style.borderBottomColor= "#118ACC"; Calc.elements[i].style.borderLeftColor= "#118ACC"; //#CBF3B2 Calc.elements[i].style.backgroundColor="#ADDEF8"; var str1=Calc.elements[i].value; str1=str1.trim(); /* if(str1=="`") { Calc.elements[i].style.fontSize=14; } */ if(str1.length==1) { //Calc.elements[i].style.fontSize=16; //Calc.elements[i].style.fontWeight=’bold’; } var thisButtonValue=Calc.elements[i].value; thisButtonValue=thisButtonValue.trim(); if(thisButtonValue.length==1) { Calc.elements[i].onclick= function () { var thisButtonValue=this.value; thisButtonValue=thisButtonValue.trim(); addValue(thisButtonValue); //alert(234) } Calc.elements[i].ondblclick= function () { var thisButtonValue=this.value; thisButtonValue=thisButtonValue.trim(); addValue(thisButtonValue); //alert(234) } } } } } function initCalc() { setCalcborder(); setHead(); setCalcButtonBg(); } String.prototype.trim = function() { // 用正則表達(dá)式將前后空格 // 用空字符串替代。 return this.replace(/(^\s*)|(\s*$)/g, ""); } var capsLockFlag; capsLockFlag=true; function capsLockText() { if(capsLockFlag)//改成大寫(xiě) { for(var i=0;i<Calc.elements.length;i++) { var char=Calc.elements[i].value; var char=char.trim() if(Calc.elements[i].type=="button"&&char>="a"&&char<="z"&&char.length==1) { Calc.elements[i].value=" "+String.fromCharCode(char.charCodeAt(0)-32)+" " } } } else { for(var i=0;i<Calc.elements.length;i++) { var char=Calc.elements[i].value; var char=char.trim() if(Calc.elements[i].type=="button"&&char>="A"&&char<="Z"&&char.length==1) { Calc.elements[i].value=" "+String.fromCharCode(char.charCodeAt(0)+32)+" " } } } capsLockFlag=!capsLockFlag; } window.onload= function () { password1=null; initCalc(); } 這樣調(diào)用 <input name="UserPassword" type="Password" size="15" maxlength="15" onMouseOut="this.style.background=’’" onMouseOver="this.style.background=’#F9F9F9’" onFocus="this.select();" readOnly onKeyDown="Calc.password.value=this.value" onChange="Calc.password.value=this.value" onclick= "password1=this;showkeyboard();this.readOnly=1;Calc.password.value=’’"> 該文章在 2010/8/18 10:49:10 編輯過(guò) |
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