<html> <head> <title>test</title> <link rel="stylesheet" type="text/css" href="./css/test.css" /> </head> <script> function testdown() //鼠标按下时 { //alert("aaa"); document.getElementById('txtptz').value=1; } function testup() //鼠标松开时 { //alert("aaa"); document.getElementById('txtptz').value=2; } </script> <script type="text/javascript"> function mouseDownFun() { document.getElementById('div1').innerHTML += 'mouseDown<br/>'; } function mouseUpFun() { document.getElementById('div1').innerHTML += 'mouseUp<br/>'; } function clickFun() { document.getElementById('div1').innerHTML += 'click<br/>'; } </script> <body> <p>test</p> <input type="test" id="txtptz" onmousedown="testdown();" onmouseup="testup();"> <input id="testptz" type="button" name="reset" value="保存" onmousedown="testdown();" onmouseup="testup();" > <div id="div1" onmousedown="mouseDownFun();" onmouseup="mouseUpFun();" onclick="clickFun();" style="background:#CCC; border:3px solid #999; 200px; height:200px; padding:10px"></div> <input style="margin-top:10px" type="button" onclick="document.getElementById('div1').innerHTML='';" value="清除信息" /> </script> </div> </body> </html>