php锛媘ysql鎵庡疄涓汉鍩烘湰鍔焈PHP鏁欑▼ | 甯涔嬪

涓€. 10鍙ヨ瘽
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浜? 鍚勫彇鎵€闇€

1.鍠勪簬浣跨敤鈥滃紩鐢ㄢ€?瀹冭兘鐩存帴褰卞搷鍒扮▼搴忕殑鏁堢巼銆?BR>
2.鍠勪簬鐢ㄤ笁鍏冭繍绠楀瓙,鍙互璁╃▼寮忚緝绮剧畝鏈夋晥鐜囥€?BR>姣斿:

PHP浠ｇ爜: if ($data[$i][nickname]) {     $nickname =  $data[$i][nickname]; } else {     $nickname =  $data[$i][ip]; }

鍙互鍐欐垚:

PHP浠ｇ爜:<HR>

<BR>$nickname =  $data[$i][nickname] ? $data[$i][nickname] : $data[$i][ip];<BR>



<HR>

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3.鍠勪簬缁勭粐if...else...鍥炲湀
姣斿:

PHP浠ｇ爜:<HR>

<BR>$ext_name = strtolower(str_replace(".", "", strrchr($upfilename, ".")));

<BR>if (!empty($type))

<BR>{

<BR>    if (!strpos($type, $ext_name))

<BR>    {

<BR>        echo "Please upload the file of $type form.";

<BR>        exit();

<BR>    }

<BR>}<BR>



<HR>

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涓婇潰鐨勪唬鐮佷綘搴旇鍐欐垚杩欐牱:

PHP浠ｇ爜:<HR>

<BR>$ext_name = strtolower(str_replace(".", "", strrchr($upfilename, ".")));

<BR>if (!($type===) && strpos($type, $ext_name)===false)

<BR>{

<BR>    echo "Please upload the file of $type form.";

<BR>    exit();

<BR>}<BR>



<HR>

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4.灏介噺璁╀綘鐨勪唬鐮佹竻娣呬簺
濡傛灉鍐欐垚杩欐牱锛屾槸姣旇緝璁╀汉澶寸棝鐨?

PHP浠ｇ爜:<HR>

<BR>$foo=$_post["foo"];

<BR>   $username=$_post["user"]; 

<BR>$group=$_POST["group"];

<BR>if ($group=="wheel"){

<BR>$username=$username."wheel";

<BR>}<BR>



<HR>

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鍚屾牱鐨勪唬鐮侊紝杩欐牱灏辨瘮杈冭浜虹湅寰楄垝鏈嶄簡:

PHP多文件上传插件

PHP多文件上传插件

149

查看详情

PHP浠ｇ爜:<HR>

<BR>$foo      = $_post["foo"];

<BR>$username = $_post["username"];

<BR>$group    = $_POST["group"];

<BR>if ($group=="wheel")

<BR>{

<BR>    $username = $username."wheel";

<BR>}<BR>



<HR>

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褰撶劧锛屾湁涓€瀹氬熀纭€鍚庯紝浣犲簲璇ヨ鍐欐垚杩欐牱:

PHP浠ｇ爜:<HR>

<BR>$foo      = &$_POST[foo];

<BR>$username =  $_POST["group"]!=wheel ? $_POST["username"] : $_POST["username"].wheel;<BR>



<HR>

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5.缂栧啓瑙勮寖鐨刴ysql 璇彞銆?BR>瀛楁鍜岃〃鍚嶇敤"`"寮曡捣鏉ワ紝閬垮厤淇濈暀瀛楃殑褰卞搷銆?BR>濡傛灉鐪嬪埌涓嬮潰杩欐牱鐨勪竴涓猻ql query锛屼細璁╀汉姣旇緝澶寸棝:

PHP浠ｇ爜:<HR>

<BR>$query="select `flash_comment`.`content` , `flash_comment`.`nickname` , `flash_comment`.`date` , `flash_comment`.`ip` , `product`.`p_name` , `sgflash`.`fid` from `flash_comment` left join `product` on ( `flash_comment`.`p_no` = `product`.`p_no` ) left join `sgflash` on ( `product`.`p_name` = `sgflash`.`f_name` ) where `flash_comment`.`p_no` !=  order by `flash_comment`.`date`";<BR>



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鍚屾牱鐨勪竴涓猶uery,鍐欐垚杩欐牱灏变护浜虹湅寰楁槑鐧藉緱澶氫簡:

PHP浠ｇ爜:<HR>

<BR>$query = "SELECT `flash_comment`.`content` , `flash_comment`.`nickname` , `flash_comment`.`date` , `flash_comment`.`ip` , `product`.`p_name` , `sgflash`.`fid` 

<BR>          FROM `flash_comment` 

<BR>          LEFT JOIN `product` ON ( `flash_comment`.`p_no` = `product`.`p_no` ) 

<BR>          LEFT JOIN `sgflash` ON ( `product`.`p_name` = `sgflash`.`f_name` ) 

<BR>          WHERE `flash_comment`.`p_no` != 

<BR>          ORDER BY `flash_comment`.`date`";<BR>

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