<HTML> <HEAD> <TITLE> New Document </TITLE> </HEAD> <SCRIPT LANGUAGE=\"JavaScript\"> <!-- function showimg() { document.Myform.Myimg.src=document.Myform.filename.value; } //--> </SCRIPT> <BODY> <FORM name=Myform METHOD=POST ACTION=\"\"> <INPUT name=filename TYPE=\"file\" onchange=setTimeout(’showimg()’,500)> <IMG name=Myimg SRC=\"\" BORDER=\"0\"> </FORM> </BODY> </HTML> 2: 就这样,可以了,如果想限制下大小,就在 function showimg() { document.Myform.Myimg.src=document.Myform.filename.value; document.Myform.Myimg.width=; document.Myform.Myimg.height=; } 3: <HTML> <HEAD> <TITLE> New Document </TITLE> <META NAME=\"Generator\" CONTENT=\"EditPlus\"> <META NAME=\"Author\" CONTENT=\"\"> <META NAME=\"Keywords\" CONTENT=\"\"> <META NAME=\"Description\" CONTENT=\"\"> [Page] </HEAD> <BODY> <IMG id=a SRC=\"\" WIDTH=\"400\" HEIGHT=\"300\" BORDER=\"0\" ALT=\"\"><input type=file id=b><button onclick=’aa()’>浏览</button> </BODY> </HTML> <SCRIPT LANGUAGE=\"JavaScript\"> <!-- function aa(){ document.getElementById(\"a\").src=document.getElementById(\"b\").value; } //--> </SCRIPT> 4: <IMG ……width=\"80\"> 或者 <IMG ……height=\"80\"> 只设定宽或高,就会自动调整了
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