//=============== 大写锁定键打开提示 ============================================//
/*
使用：$("#txtPWD").capsLockTip(); //注意不要将些代码加在$(document).ready()里面。
*/
(function ($) {$.fn.extend({capsLockTip: function () {return this.each(function () {//创建对象实例并保存。//获取实例对象：var api = $("#txtPWD").data("txtPWD");var ins = new $.CapsLockTip($(this));$(this).data(this.id, ins);});}});//创建一个实例。//___target jq目标对象。//___divTipID   显示提示文本的div。$.CapsLockTip = function (___target) {//设置当前实例的配置参数。this.target = ___target;var _this = this;$(document).ready(function () {         _this.target.bind("keypress", function (_event) {var e = _event || window.event;var kc = e.keyCode || e.which;var isShift = e.shiftKey || (kc == 16) || false;$.fn.capsLockTip.capsLockActived = false;if ((kc >= 65 && kc <= 90 && !isShift) || (kc >= 97 && kc <= 122 && isShift))$.fn.capsLockTip.capsLockActived = true;_this.showTips($.fn.capsLockTip.capsLockActived);});_this.target.bind("keydown", function (_event) {var e = _event || window.event;var kc = e.keyCode || e.which;if (kc == 20 && null != $.fn.capsLockTip.capsLockActived){$.fn.capsLockTip.capsLockActived = !$.fn.capsLockTip.capsLockActived;_this.showTips($.fn.capsLockTip.capsLockActived);}});_this.target.bind("focus", function (_event) {if (null != $.fn.capsLockTip.capsLockActived)_this.showTips($.fn.capsLockTip.capsLockActived);});_this.target.bind("blur", function (_event) {_this.showTips(false);});});//创建显示大写锁定的div。this.createTooltip = function(){if(null != $.fn.capsLockTip.divTip)return $.fn.capsLockTip.divTip;$("body").append("<div id='divTip__985124855558842555' style='width:100px; height:15px; padding-top:3px; display:none; position:absolute; z-index:9999999999999; text-align:center; background-color:#FDF6AA; color:Red; font-size:12px; border:solid 1px #DBC492; border-bottom-color:#B49366; border-right-color:#B49366;'>大写锁定已打开</div>");$.fn.capsLockTip.divTip = $("#divTip__985124855558842555");return $.fn.capsLockTip.divTip;};//显示或隐藏大写锁定提示。this.showTips = function (display) {var divTip = _this.createTooltip();if (display) {var offset = _this.target.offset();divTip.css("left", offset.left + "px");divTip.css("top", offset.top + _this.target[0].offsetHeight + 3 + "px");divTip.show();}else {divTip.hide();}};//jq控件公用静态对象。//提示框。$.fn.capsLockTip.divTip = null;//大写锁定键状态$.fn.capsLockTip.capsLockActived = null;};
})(jQuery);