在javascript中要印出打印应该怎做？？？多谢

Question

就是我输出一个表格在网页上后，做一个按钮后，点击就打印出来！应该怎么做？

Answer 1

<script>
newwin=window.open("","","");
newwin.document.write("<style>");
newwin.document.write("@media print {");
newwin.document.write("   .ptn {display:block;}   ");
newwin.document.write("   .notptn {display:none;}");
newwin.document.write("}");
newwin.document.write("</style>");
newwin.document.write("<div class='ptn'>要打印的内容</div>");
newwin.document.write("<div class='notptn'><input type=button value=print onclick='window.print()'></div>");
</script>