现在用另外一个方法实现了这个目标不过有些???,大家试一下,就知道,其实是先加后删的
小小的土拉,呵呵,不过总算实现拉,希望没有bug渥
function verify()
{
var txt1 = document.getElementById("testkey1");
var value = txt1.value;
var len = value.length;
var last = value.substring(len-1,len);
var regexp = /[a-zA-Z0-9]|\-|_/;
var regexp2 = /[^a-zA-Z0-9|\-|_]/g;
if( !regexp.test(last))
{
var effectiveStr = value.replace(regexp2,"");
txt1.value=effectiveStr;
alert("只能输入数字,字符,-,_这些字符!!")
}
}
mingxuan3000老大,我不知我没有理解你的意思,还是我测试方法有问题
现在我将你的代码简化,希望文本框只能输入数字
function keyChar1(){
if(event.shiftKey){
return("");
}
}else{
switch(event.keyCode.toString()){
case "96":return("0");
case "97":return("1");
case "98":return("2");
case "99":return("3");
case "100":return("4");
case "101":return("5");
case "102":return("6");
case "103":return("7");
case "104":return("8");
case "105":return("9");
function keyChar(){
if(event.shiftKey){
switch(event.keyCode.toString()){
case "96":return("0");
case "97":return("1");
case "98":return("2");
case "99":return("3");
case "100":return("4");
case "101":return("5");
case "102":return("6");
case "103":return("7");
case "104":return("8");
case "105":return("9");
case "111":return("/");
case "110":return(".");
case "106":return("*");
case "109":return("-");
case "107":return("+");
case "144":return("numlock");
case "192":return("~");
case "49":return("!");
case "50":return("@");
case "51":return("#");
case "52":return("$");
case "53":return("%");
case "54":return("^");
case "55":return("&");
case "56":return("*");
case "57":return("(");
case "48":return(")");
case "189":return("_");
case "187":return("+");
case "219":return("{");
case "221":return("}");
case "220":return("|");
case "20":return("caplock");
case "186":return(":");
case "222":return("\"");
case "188":return("<");
case "190":return(">");
case "191":return("?");
case "8":return("backspace");
case "9":return("tab");
case "81":return("Q");
case "87":return("W");
case "69":return("E");
case "82":return("R");
case "84":return("T");
case "89":return("Y");
case "85":return("U");
case "73":return("I");
case "79":return("O");
case "80":return("P");
case "65":return("A");
case "83":return("S");
case "68":return("D");
case "70":return("F");
case "71":return("G");
case "72":return("H");
case "74":return("J");
case "75":return("K");
case "76":return("L");
case "16":return("shift");
case "90":return("Z");
case "88":return("X");
case "67":return("C");
case "86":return("V");
case "66":return("B");
case "78":return("N");
case "77":return("M");
case "17":return("ctrl");
case "91":return("win");
case "92":return("win");
case "18":return("alt");
case "32":return(" ");
case "93":return("menu");
case "38":return("up");
case "40":return("down");
case "37":return("left");
case "39":return("right");
case "45":return("insert");
case "46":return("delete");
case "36":return("home");
case "35":return("end");
case "33":return("pageup");
case "34":return("pagedown");
case "34":return("printcreen");
case "145":return("scrolllock");
case "19":return("pause");
case "27":return("esc");
case "12":return("middle");
case "13":return("\r\n");
case "112":return("f1");
case "113":return("f2");
case "114":return("f3");
case "115":return("f4");
case "116":return("f5");
case "117":return("f6");
case "118":return("f7");
case "119":return("f8");
case "120":return("f9");
case "121":return("f10");
case "122":return("f11");
case "123":return("f12");
default:return("unknown");
}
}else{
switch(event.keyCode.toString()){
case "96":return("0");
case "97":return("1");
case "98":return("2");
case "99":return("3");
case "100":return("4");
case "101":return("5");
case "102":return("6");
case "103":return("7");
case "104":return("8");
case "105":return("9");
case "111":return("/");
case "110":return(".");
case "106":return("*");
case "109":return("-");
case "107":return("+");
case "144":return("numlock");
case "192":return("`");
case "49":return("1");
case "50":return("2");
case "51":return("3");
case "52":return("4");
case "53":return("5");
case "54":return("6");
case "55":return("7");
case "56":return("8");
case "57":return("9");
case "48":return("0");
case "189":return("-");
case "187":return("=");
case "8":return("backspace");
case "9":return("tab");
case "81":return("q");
case "87":return("w");
case "69":return("e");
case "82":return("r");
case "84":return("t");
case "89":return("y");
case "85":return("u");
case "73":return("i");
case "79":return("o");
case "80":return("p");
case "219":return("[");
case "221":return("]");
case "220":return("\\");
case "20":return("caplock");
case "65":return("a");
case "83":return("s");
case "68":return("d");
case "70":return("f");
case "71":return("g");
case "72":return("h");
case "74":return("j");
case "75":return("k");
case "76":return("l");
case "186":return(";");
case "222":return("'");
case "16":return("shift");
case "90":return("z");
case "88":return("x");
case "67":return("c");
case "86":return("v");
case "66":return("b");
case "78":return("n");
case "77":return("m");
case "188":return(",");
case "190":return(".");
case "191":return("/");
case "17":return("ctrl");
case "91":return("win");
case "92":return("win");
case "18":return("alt");
case "32":return(" ");
case "93":return("menu");
case "38":return("up");
case "40":return("down");
case "37":return("left");
case "39":return("right");
case "45":return("insert");
case "46":return("delete");
case "36":return("home");
case "35":return("end");
case "33":return("pageup");
case "34":return("pagedown");
case "34":return("printcreen");
case "145":return("scrolllock");
case "19":return("pause");
case "27":return("esc");
case "12":return("middle");
case "13":return("\r\n");
case "112":return("f1");
case "113":return("f2");
case "114":return("f3");
case "115":return("f4");
case "116":return("f5");
case "117":return("f6");
case "118":return("f7");
case "119":return("f8");
case "120":return("f9");
case "121":return("f10");
case "122":return("f11");
case "123":return("f12");
default:return("unknown");
}
}
}