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|zyciis| 怎么让onkeypress 更改输入如

发布时间: 2012-06-17 21:02:01 作者: rapoo

|zyciis| 如何让onkeypress 更改输入如输入 A就自动让他的ASCII码加1变成B
如:
<input type="text" onkeypress="AsciiUp(this,event);" />
<script>
function AsciiUp(send,event)
{
????
}
</script>

谢谢

[解决办法]

HTML code
<input type="text" onkeypress="return AsciiUp(this,event);" /><script>function AsciiUp(obj,e){ var ev = window.event || e;  var cd = ev.keyCode || ev.charCode; if(cd >=65 && cd <90 || cd  >=97 && cd < 122) {    ev.keyCode && (ev.keyCode = ev.keyCode+1);    if(ev.charCode){        obj.value=obj.value+String.fromCharCode(ev.charCode+1) ;        return false;    } }}
[解决办法]
HTML code
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>测试</title><script type="text/javascript"><!--    function AsciiUp(event){        var e = event || window.event;        var code = e.keyCode || e.which;                if((64 < code && code <90) || (96 < code && code < 122)){            code ++;            var target = e.target || e.srcElement;            target.value += String.fromCharCode(code);            return false;        }            }//--></script></head><body>    <input type="text" onkeypress="return AsciiUp(event)" /></body></html> 

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