一、监听回车键调用事件
1、jquery:

$("dom").keypress(function (even) {   if (even.which == 13) {      //事件处理   }});

2、JavaScript:

document.onkeydown=function(event){    var e = event || window.event || arguments.callee.caller.arguments[0];    if(e && e.keyCode==27){ // 按 Esc         //事件处理      }                if(e && e.keyCode==13){ // enter 键        //事件处理    }}

3、键码阐明:

keyCode 8 = BackSpace BackSpacekeyCode 9 = Tab TabkeyCode 12 = ClearkeyCode 13 = EnterkeyCode 16 = Shift_LkeyCode 17 = Control_LkeyCode 18 = Alt_LkeyCode 19 = PausekeyCode 20 = Caps_LockkeyCode 27 = Escape EscapekeyCode 32 = spacekeyCode 33 = PriorkeyCode 34 = NextkeyCode 35 = EndkeyCode 36 = HomekeyCode 37 = LeftkeyCode 38 = UpkeyCode 39 = RightkeyCode 40 = DownkeyCode 41 = SelectkeyCode 42 = PrintkeyCode 43 = ExecutekeyCode 45 = InsertkeyCode 46 = DeletekeyCode 47 = HelpkeyCode 48 = 0 equal bracerightkeyCode 49 = 1 exclam onesuperiorkeyCode 50 = 2 quotedbl twosuperiorkeyCode 51 = 3 section threesuperiorkeyCode 52 = 4 dollarkeyCode 53 = 5 percentkeyCode 54 = 6 ampersandkeyCode 55 = 7 slash braceleftkeyCode 56 = 8 parenleft bracketleftkeyCode 57 = 9 parenright bracketrightkeyCode 65 = a AkeyCode 66 = b BkeyCode 67 = c CkeyCode 68 = d DkeyCode 69 = e E EuroSignkeyCode 70 = f FkeyCode 71 = g GkeyCode 72 = h HkeyCode 73 = i IkeyCode 74 = j JkeyCode 75 = k KkeyCode 76 = l LkeyCode 77 = m M mukeyCode 78 = n NkeyCode 79 = o OkeyCode 80 = p PkeyCode 81 = q Q atkeyCode 82 = r RkeyCode 83 = s SkeyCode 84 = t TkeyCode 85 = u UkeyCode 86 = v VkeyCode 87 = w WkeyCode 88 = x XkeyCode 89 = y YkeyCode 90 = z ZkeyCode 96 = KP_0 KP_0keyCode 97 = KP_1 KP_1keyCode 98 = KP_2 KP_2keyCode 99 = KP_3 KP_3keyCode 100 = KP_4 KP_4keyCode 101 = KP_5 KP_5keyCode 102 = KP_6 KP_6keyCode 103 = KP_7 KP_7keyCode 104 = KP_8 KP_8keyCode 105 = KP_9 KP_9keyCode 106 = KP_Multiply KP_MultiplykeyCode 107 = KP_Add KP_AddkeyCode 108 = KP_Separator KP_SeparatorkeyCode 109 = KP_Subtract KP_SubtractkeyCode 110 = KP_Decimal KP_DecimalkeyCode 111 = KP_Divide KP_DividekeyCode 112 = F1keyCode 113 = F2keyCode 114 = F3keyCode 115 = F4keyCode 116 = F5keyCode 117 = F6keyCode 118 = F7keyCode 119 = F8keyCode 120 = F9keyCode 121 = F10keyCode 122 = F11keyCode 123 = F12keyCode 124 = F13keyCode 125 = F14keyCode 126 = F15keyCode 127 = F16keyCode 128 = F17keyCode 129 = F18keyCode 130 = F19keyCode 131 = F20keyCode 132 = F21keyCode 133 = F22keyCode 134 = F23keyCode 135 = F24keyCode 136 = Num_LockkeyCode 137 = Scroll_LockkeyCode 187 = acute gravekeyCode 188 = comma semicolonkeyCode 189 = minus underscorekeyCode 190 = period colonkeyCode 192 = numbersign apostrophekeyCode 210 = plusminus hyphen macronkeyCode 211 =keyCode 212 = copyright registeredkeyCode 213 = guillemotleft guillemotrightkeyCode 214 = masculine ordfemininekeyCode 215 = ae AEkeyCode 216 = cent yenkeyCode 217 = questiondown exclamdownkeyCode 218 = onequarter onehalf threequarterskeyCode 220 = less greater barkeyCode 221 = plus asterisk asciitildekeyCode 227 = multiply divisionkeyCode 228 = acircumflex AcircumflexkeyCode 229 = ecircumflex EcircumflexkeyCode 230 = icircumflex IcircumflexkeyCode 231 = ocircumflex OcircumflexkeyCode 232 = ucircumflex UcircumflexkeyCode 233 = ntilde NtildekeyCode 234 = yacute YacutekeyCode 235 = oslash OobliquekeyCode 236 = aring AringkeyCode 237 = ccedilla CcedillakeyCode 238 = thorn THORNkeyCode 239 = eth ETHkeyCode 240 = diaeresis cedilla currencykeyCode 241 = agrave Agrave atilde AtildekeyCode 242 = egrave EgravekeyCode 243 = igrave IgravekeyCode 244 = ograve Ograve otilde OtildekeyCode 245 = ugrave UgravekeyCode 246 = adiaeresis AdiaeresiskeyCode 247 = ediaeresis EdiaeresiskeyCode 248 = idiaeresis IdiaeresiskeyCode 249 = odiaeresis OdiaeresiskeyCode 250 = udiaeresis UdiaeresiskeyCode 251 = ssharp question backslashkeyCode 252 = asciicircum degreekeyCode 253 = 3 sterlingkeyCode 254 = Mode_switch

二、挪动端键盘事件处理及兼容性解决方案
1、操作系统判断

  function navigator(){        var u = navigator.userAgent;        var isAndroid = u.indexOf('Android') > -1 || u.indexOf('Adr') > -1; //android终端        var isiOS = !!u.match(/\(i[^;]+;( U;)? CPU.+Mac OS X/); //ios终端        if(isAndroid){//安卓        };        if(isiOS){//ios        };    };

2、键盘的收起和开展

$(document).on("focusin",function(){//键盘弹出~~~~})$(document).on("focusout",function(){//键盘收起})

3、ios键盘收起

function navigator(){        var u = navigator.userAgent;        var isAndroid = u.indexOf('Android') > -1 || u.indexOf('Adr') > -1; //android终端        var isiOS = !!u.match(/\(i[^;]+;( U;)? CPU.+Mac OS X/); //ios终端        if(isAndroid){                    };        if(isiOS){            $(document).on("focusin",function(){                                //键盘弹起时,让滚动条滚动到底部,                $(window).scrollTop($("body").height());                                 //设置定时器                setTimeout(function(){                                        //获取文档高度                    var clientHeight= document.body.clientHeight;                                         //获取滚动高度--也就是键盘高度                    var scrollTop = document.body.scrollTop;                    //让你想要的底部元素的bottom:键盘高度。                    $(".bottom").css("bottom",scrollTop+"px");                    //最初再设置一个定时器让滚动条回到顶部。                                          setTimeout(function(){                                               $(window).scrollTop(0);                                          },300);                },300);            });            $(document).on('focusout', function () {                 //软键盘收起的事件处理                                 //让底部元素回到底部。                $(".bottom").css("bottom","0");            });        };    };

4、android键盘收起

function navigator(){        var u = navigator.userAgent;        var isAndroid = u.indexOf('Android') > -1 || u.indexOf('Adr') > -1; //android终端        var isiOS = !!u.match(/\(i[^;]+;( U;)? CPU.+Mac OS X/); //ios终端        if(isAndroid){              var wHeight = $(window).innerHeight();   //获取初始可视       窗口高度                      $(window).resize(function() {         //监测窗口大小的变动事件                         var hh = $(window).innerHeight();     //以后可视窗口高度                         var viewTop = $(window).scrollTop();   //可视窗口高度顶部间隔网页顶部的间隔                         if(wHeight > hh){                                          //能够作为虚构键盘弹出事件                                               }else{                                        //能够作为虚构键盘敞开事件                                                           };                              wHeight = hh;                        });        };        if(isiOS){                    };};