站内搜索脚本例子六(javascript)_Javascript教程-tutorial js-php.cn

脚本说明:
第一步：把如下代码加入区域中

<script>  function validate_form() { txt = document.form.search.value; newindex = document.form.numhits.selectedIndex; dahits = document.form.numhits[newindex].value; newindexb = document.form.whichdir.selectedIndex; dadir = document.form.whichdir[newindexb].value; if (txt.indexOf(".") != -1){ alert("Search is invalid! Contains a '.'"); return;} if (txt.indexOf(",") != -1){ alert("Search is invalid! Contains a ','"); return;} if (txt.indexOf("@") != -1){ alert("Search is invalid! Contains a '@''"); return;} if (txt.indexOf("!") != -1){ alert("Search is invalid! Contains a '!''"); return;} if (txt.indexOf("#") != -1){ alert("Search is invalid! Contains a '#''"); return;} if (txt.indexOf("$") != -1){ alert("Search is invalid! Contains a '$''"); return;} if (txt.indexOf("%") != -1){ alert("Search is invalid! Contains a '%''"); return;} if (txt.indexOf("^") != -1){ alert("Search is invalid! Contains a '^''"); return;} if (txt.indexOf("&") != -1){ alert("Search is invalid! Contains a '&''"); return;} if (txt.indexOf("*") != -1){ alert("Search is invalid! Contains a '*''"); return;} if (txt.indexOf("(") != -1){ alert("Search is invalid! Contains a '(''"); return;} if (txt.indexOf(")") != -1){ alert("Search is invalid! Contains a ')''"); return;} if (txt.indexOf("[") != -1){ alert("Search is invalid! Contains a '[''"); return;} if (txt.indexOf("]") != -1){ alert("Search is invalid! Contains a ']''"); return;} if (txt.indexOf(";") != -1){ alert("Search is invalid! Contains a ';''"); return;} if (txt.indexOf(":") != -1){ alert("Search is invalid! Contains a ':''"); return;} if (txt.indexOf("<") != -1){ alert("Search is invalid! Contains a '<''"); return;} if (txt.indexOf(">") != -1){ alert("Search is invalid! Contains a '>''"); return;} if (txt.indexOf("?") != -1){ alert("Search is invalid! Contains a '?''"); return;} if (txt.indexOf("=") != -1){ alert("Search is invalid! Contains a '=''"); return;} if (txt.indexOf("+") != -1){ alert("Search is invalid! Contains a '+''"); return;} else { jsi = new makeLinks(linksize); searchLinks(jsi, txt, dahits, dadir); document.write('</OL>'); document.write('....... 查询结果结束 .......'); document.write('<hr>'); document.write('</body></html>'); } } </script>

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搜索脚本，javascript

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