jquery實現(xiàn)頁面虛擬鍵盤特效
用法簡介:
jquery頁面虛擬鍵盤設(shè)計帶有數(shù)字與字母切換功能。
文件引用:
//給輸入的密碼框添加新值
function addValue(newValue)
{
CapsLockValue==0?$(".input_cur").val($(".shuru").val()+ newValue):$(".input_cur").val($(".shuru").val()+ newValue.toUpperCase())
}
//清空
function clearValue()
{
$(".input_cur").val("");
}
//實現(xiàn)BackSpace鍵的功能
function backspace()
{
var longnum=$(".input_cur").val().length;
var num ;
num=$(".input_cur").val().substr(0,longnum-1);
$(".input_cur").val(num);
}
function changePanl(oj){
$("#"+oj).siblings("div").hide();
$("#"+oj).show();
}
//設(shè)置是否大寫的值
function setCapsLock(o)
{
if (CapsLockValue==0){
CapsLockValue=1;
$(o).val("轉(zhuǎn)化小寫");
$.each($(".i_button_zm"),function(b, c) {
$(c).val($(c).val().toUpperCase());
});
}else{
CapsLockValue=0;
$(o).val("轉(zhuǎn)化大寫");
$.each($(".i_button_zm"),function(b, c) {
$(c).val($(c).val().toLowerCase());
});
}
}
window.onload=function(){
// changePanl("zimu");
}
CSS
.softkeyboard{ display:inline-block;}
.softkeyboard td{ padding:4px;}
.c_panel{ background-color:#333; text-align:center; padding:15px;}
.input_cur{ border:1px solid #f00;}
.i_button{ border:none; height:40px; width:50px; font-size:16px; font-family:"微軟雅黑"; background-color:#666; color:#fff;}
.i_button:active{ background-color:#999;}
.i_button_num{}
.i_button_btn{ float:right; width:88px;}
.i_button_bs{ float:right; width:148px;}
HTML
<input type="text" name="text1" class="shuru input_cur" ><br>
<script>
//定義當(dāng)前是否大寫的狀態(tài)
var CapsLockValue=0;
var curEditName;
var check;
//document.write (' <DIV align=center id=\"softkeyboard\" name=\"softkeyboard\" style=\"position:absolute; left:300px; top:320px; width:517px; z-index:180;display:none\">');
document.write (' <DIV class=\"softkeyboard\" id=\"softkeyboard\" name=\"softkeyboard\" style=\"display:; \">');
//document.write (' ------數(shù)字----');
document.write (' <div class=\"c_panel shuzi\" id="shuzi">');
document.write ('<table align=\"center\" width=\"100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">');
document.write (' <tr> ');
document.write (' <td><input class="i_button i_button_num" type=button onclick=\"addValue(\'7\');\" value=\" 7 \"></td>');
document.write (' <td><input class="i_button i_button_num" type=button onclick=\"addValue(\'8\');\" value=\" 8 \"></td>');
document.write (' <td><input class="i_button i_button_num" type=button onclick=\"addValue(\'9\');\" value=\" 9 \"></td>');
document.write (' <td><input class="i_button i_button_btn i_button_sz" onclick=\"changePanl(\'zimu\');\" type=button value=符號 ></td>');
document.write (' </tr>');
document.write (' <tr> ');
document.write (' <td><input class="i_button i_button_num" type=button onclick=\"addValue(\'4\');\" value=\" 4 \"></td>');
document.write (' <td><input class="i_button i_button_num" type=button onclick=\"addValue(\'5\');\" value=\" 5 \"></td>');
document.write (' <td><input class="i_button i_button_num" type=button onclick=\"addValue(\'6\');\" value=\" 6 \"></td>');
document.write (' <td><input class="i_button i_button_btn i_button_sz" onclick=\"changePanl(\'zimu\');\" type=button value=字母></td>');
document.write (' </tr>');
document.write (' <tr> ');
document.write (' <td><input class="i_button i_button_num" type=button onclick=\"addValue(\'1\');\" value=\" 1 \"></td>');
document.write (' <td><input class="i_button i_button_num" type=button onclick=\"addValue(\'2\');\" value=\" 2 \"></td>');
document.write (' <td><input class="i_button i_button_num" type=button onclick=\"addValue(\'3\');\" value=\" 3 \"></td>');
document.write (' <td><input class="i_button i_button_btn" type=button onclick=\"clearValue();\" value=清空 ></td>');
document.write (' </tr>');
document.write (' <tr> ');
document.write (' <td><input class="i_button i_button_num" type=button onclick=\"addValue(\'0\');\" value=\" 0 \"></td>');
document.write (' <td></td>');
document.write (' <td colspan=2><input class="i_button i_button_bs" type=button value=\" BackSpace\" onclick=\"backspace();\"></td>');
document.write (' </tr>');
document.write (' </table>');
document.write ('</DIV>');
//document.write ('--------------------------------------------');
//document.write (' ------字母----');
document.write (' <div class=\"c_panel zimu\" id=\"zimu\" style=\"display:none;\">');
document.write (' <table align=\"center\" width=\"98%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">');
document.write (' <tr> ');
document.write (' <td><input class="i_button i_button_fh" type=button onclick=\"addValue(\'~\');\" value=\" ~ \"></td>');
document.write (' <td><input class="i_button i_button_fh" type=button onclick=\"addValue(\'!\');\" value=\" ! \"></td>');
document.write (' <td><input class="i_button i_button_fh" type=button onclick=\"addValue(\'@\');\" value=\" @ \"></td>');
document.write (' <td><input class="i_button i_button_fh" type=button onclick=\"addValue(\'#\');\" value=\" # \"></td>');
document.write (' <td><input class="i_button i_button_fh" type=button onclick=\"addValue(\'$\');\" value=\" $ \"></td>');
document.write (' <td><input class="i_button i_button_fh" type=button onclick=\"addValue(\'%\');\" value=\" % \"></td>');
document.write (' <td><input class="i_button i_button_fh" type=button onclick=\"addValue(\'^\');\" value=\" ^ \"></td>');
document.write (' <td><input class="i_button i_button_fh" type=button onclick=\"addValue(\'*\');\" value=\" * \"></td>');
document.write (' <td><input class="i_button i_button_fh" type=button onclick=\"addValue(\'(\');\" value=\" ( \"></td>');
document.write (' <td><input class="i_button i_button_fh" type=button onclick=\"addValue(\')\');\" value=\" ) \"></td>');
document.write (' <td><input class="i_button i_button_fh" type=button onclick=\"addValue(\'-\');\" value=\" - \"></td>');
document.write (' <td><input class="i_button i_button_fh" type=button onclick=\"addValue(\'+\');\" value=\" + \"></td>');
document.write (' <td><input class="i_button i_button_fh" type=button onclick=\"addValue(\'=\');\" value=\" = \"></td>');
document.write (' <td><input class="i_button i_button_btn" type=button onclick=\"changePanl(\'shuzi\');\" value=\"切換數(shù)字\"></td>');
document.write (' </tr>');
document.write (' <tr> ');
document.write (' <td><input class="i_button i_button_zm" type=button onclick=\"addValue(\'q\');\" value=\" q \"></td>');
document.write (' <td><input class="i_button i_button_zm" type=button onclick=\"addValue(\'w\');\" value=\" w \"></td>');
document.write (' <td><input class="i_button i_button_zm" type=button onclick=\"addValue(\'e\');\" value=\" e \"></td>');
document.write (' <td><input class="i_button i_button_zm" type=button onclick=\"addValue(\'r\');\" value=\" r \"></td>');
document.write (' <td><input class="i_button i_button_zm" type=button onclick=\"addValue(\'t\');\" value=\" t \"></td>');
document.write (' <td><input class="i_button i_button_zm" type=button onclick=\"addValue(\'y\');\" value=\" y \"></td>');
document.write (' <td><input class="i_button i_button_zm" type=button onclick=\"addValue(\'u\');\" value=\" u \"></td>');
document.write (' <td><input class="i_button i_button_zm" type=button onclick=\"addValue(\'i\');\" value=\" i \"></td>');
document.write (' <td><input class="i_button i_button_zm" type=button onclick=\"addValue(\'o\');\" value=\" o \"></td>');
document.write (' <td><input class="i_button i_button_zm" type=button onclick=\"addValue(\'p\');\" value=\" p \"></td>');
document.write (' <td><input class="i_button i_button_fh" type=button onClick=\"addValue(\'[\');\" value=\" [ \"></td>');
document.write (' <td><input class="i_button i_button_fh" type=button onClick=\"addValue(\']\');\" value=\" ] \"></td>');
document.write (' <td><input class="i_button i_button_fh" type=button onClick=\"addValue(\'{\');\" value=\" { \"></td>');
document.write (' <td><input class="i_button i_button_btn" type=button onClick=\"setCapsLock(this);\" value=\"切換大寫\"></td>');
document.write (' </tr>');
document.write (' <tr> ');
document.write (' <td><input class="i_button i_button_fh" type=button onClick=\"addValue(\'|\');\" value=\" | \"></td>');
document.write (' <td><input class="i_button i_button_zm" type=button onclick=\"addValue(\'a\');\" value=\" a \"></td>');
document.write (' <td><input class="i_button i_button_zm" type=button onclick=\"addValue(\'s\');\" value=\" s \"></td>');
document.write (' <td><input class="i_button i_button_zm" type=button onclick=\"addValue(\'d\');\" value=\" d \"></td>');
document.write (' <td><input class="i_button i_button_zm" type=button onclick=\"addValue(\'f\');\" value=\" f \"></td>');
document.write (' <td><input class="i_button i_button_zm" type=button onclick=\"addValue(\'g\');\" value=\" g \"></td>');
document.write (' <td><input class="i_button i_button_zm" type=button onclick=\"addValue(\'h\');\" value=\" h \"></td>');
document.write (' <td><input class="i_button i_button_zm" type=button onclick=\"addValue(\'j\');\" value=\" j \"></td>');
document.write (' <td><input class="i_button i_button_zm" type=button onclick=\"addValue(\'k\');\" value=\" k \"></td>');
document.write (' <td><input class="i_button i_button_zm" type=button onclick=\"addValue(\'l\');\" value=\" l \"></td>');
document.write (' <td><input class="i_button i_button_fh" type=button onclick=\"addValue(\';\');\" value=\" ; \"></td>');
document.write (' <td><input class="i_button i_button_fh" type=button onclick=\"addValue(\':\');\" value=\" : \"></td>');
document.write (' <td><input class="i_button i_button_fh" type=button onClick=\"addValue(\'}\');\" value=\" } \"></td>');
document.write (' <td><input class="i_button i_button_btn" type=button onclick=\"clearValue();\" value=清空 ></td>');
document.write (' </tr>');
document.write (' <tr> ');
document.write (' <td><input class="i_button i_button_fh" type=button onclick=\"addValue(\'_\');\" value=\" _ \"></td>');
document.write (' <td><input class="i_button i_button_zm" type=button onclick=\"addValue(\'z\');\" value=\" z \"></td>');
document.write (' <td><input class="i_button i_button_zm" type=button onclick=\"addValue(\'x\');\" value=\" x \"></td>');
document.write (' <td><input class="i_button i_button_zm" type=button onclick=\"addValue(\'c\');\" value=\" c \"></td>');
document.write (' <td><input class="i_button i_button_zm" type=button onclick=\"addValue(\'v\');\" value=\" v \"></td>');
document.write (' <td><input class="i_button i_button_zm" type=button onclick=\"addValue(\'b\');\" value=\" b \"></td>');
document.write (' <td><input class="i_button i_button_zm" type=button onclick=\"addValue(\'n\');\" value=\" n \"></td>');
document.write (' <td><input class="i_button i_button_zm" type=button onclick=\"addValue(\'m\');\" value=\" m \"></td>');
document.write (' <td><input class="i_button i_button_fh" type=button onClick=\"addValue(\'<\');\" value=\" < \"></td>');
document.write (' <td><input class="i_button i_button_fh" type=button onClick=\"addValue(\'>\');\" value=\" > \"></td>');
document.write (' <td><input class="i_button i_button_fh" type=button onClick=\"addValue(\'/\');\" value=\" / \"></td>');
document.write (' <td><input class="i_button i_button_fh" type=button onClick=\"addValue(\'?\');\" value=\" ? \"></td>');
document.write (' <td colspan=2><input class="i_button i_button_bs" type=button value=\" BackSpace\" onclick=\"backspace();\"></td>');
document.write (' </tr>');
document.write (' </table>');
document.write (' </div>');
//document.write ('--------------------------------------------');
document.write ('</DIV>');
//給輸入的密碼框添加新值
function addValue(newValue)
{
CapsLockValue==0?$(".input_cur").val($(".shuru").val()+ newValue):$(".input_cur").val($(".shuru").val()+ newValue.toUpperCase())
}
//清空
function clearValue()
{
$(".input_cur").val("");
}
//實現(xiàn)BackSpace鍵的功能
function backspace()
{
var longnum=$(".input_cur").val().length;
var num ;
num=$(".input_cur").val().substr(0,longnum-1);
$(".input_cur").val(num);
}
function changePanl(oj){
$("#"+oj).siblings("div").hide();
$("#"+oj).show();
}
//設(shè)置是否大寫的值
function setCapsLock(o)
{
if (CapsLockValue==0){
CapsLockValue=1;
$(o).val("轉(zhuǎn)化小寫");
$.each($(".i_button_zm"),function(b, c) {
$(c).val($(c).val().toUpperCase());
});
}else{
CapsLockValue=0;
$(o).val("轉(zhuǎn)化大寫");
$.each($(".i_button_zm"),function(b, c) {
$(c).val($(c).val().toLowerCase());
});
}
}
window.onload=function(){
// changePanl("zimu");
}
</script>
演示效果:

屏幕鍵盤在網(wǎng)絡(luò)生活中很常見,比如使用網(wǎng)銀或在線查詢信用卡余額,在輸入密碼等敏感數(shù)據(jù)時,應(yīng)該就會用到屏幕鍵盤。以防止被木馬或惡意程序捕獲盜取實際鍵盤上的操作。希望本文能夠?qū)Υ蠹矣兴鶐椭?/p>
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