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PHP每次只能显示一条数据,求大神帮忙

WBOY
WBOYOriginal
2016-06-23 14:06:261084browse

写了个PHP网站,但是每次只能添加一条信息,即只能添加和显示第一条数据,以后添加的数据都看不到;
代码如下:

<html><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312"><title>添加商品</title><link rel="stylesheet" type="text/css" href="css/font.css"><style type="text/css"><!--.style1 {color: #FFFFFF}--></style></head><?php include("conn/conn.php");?><body topmargin="0" leftmargin="0" bottommargin="0"><p> </p><table width="720" border="0" align="center" cellpadding="0" cellspacing="0">  <tr>    <td height="20" bgcolor="#0099FF"><div align="center" class="style1">添加商品</div></td>  </tr>  <tr>    <td height="253" bgcolor="#666666"><table width="720" border="0" cellpadding="0" cellspacing="0">	<script language="javascript">	function chkinput(form)	{	  if(form.mingcheng.value=="")	   {	     alert("请输入商品名称!");		 form.mingcheng.select();		 return(false);	   }	  			  if(form.huiyuanjia.value=="")	   {	     alert("请输入商品会员价!");		 form.huiyuanjia.select();		 return(false);	   }	 			  if(form.shichangjia.value=="")	   {	     alert("请输入商品市场价!");		 form.shichangjia.select();		 return(false);	   }	  if(form.dengji.value=="")	   {	     alert("请输入商品等级!");		 form.dengji.select();		 return(false);	   }	   	   	   if(form.pinpai.value=="")	   {	     alert("请输入商品品牌!");		 form.pinpai.select();		 return(false);	   }	   	   if(form.xinghao.value=="")	   {	     alert("请输入商品型号!");		 form.xinghao.select();		 return(false);	   }	   if(form.shuliang.value=="")	   {	     alert("请输入商品数量!");		 form.shuliang.select();		 return(false);	   }	   if(form.jianjie.value=="")	   {	     alert("请输入商品简介!");		 form.jianjie.select();		 return(false);	   }		   return(true);	}    </script>     <form name="form1" enctype="multipart/form-data" method="post" action="savenewgoods.php" onSubmit="return chkinput(this)">	  <tr>        <td width="129" height="25" bgcolor="#FFFFFF"><div align="center">商品名称:</div></td>        <td width="618" bgcolor="#FFFFFF"><div align="left"><input type="text" name="mingcheng" size="25" class="inputcss"></div></td>      </tr>      <tr>        <td height="25" bgcolor="#FFFFFF"><div align="center">发布时间:</div></td>        <td height="25" bgcolor="#FFFFFF"><div align="left"><select name="nian" class="inputcss"> <?php   for($i=1995;$i<=2050;$i++)  { ?>  <option><?php echo $i;?></option>  <?php   } ?></select>          年          <select name="yue" class="inputcss">            <?php             for($i=1;$i<=12;$i++)             {            ?>           <option><?php echo $i;?></option>            <?php              }             ?>          </select>          月          <select name="ri" class="inputcss">		  <?php             for($i=1;$i<=31;$i++)             {            ?>		              <option><?php echo $i;?></option>		 <?php              }             ?>          </select>          日</div></td>      </tr>      <tr>        <td height="25" bgcolor="#FFFFFF"><div align="center">挂售价格:</div></td>        <td height="25" bgcolor="#FFFFFF"><div align="left">市场价:<input type="text" name="shichangjia" size="10" class="inputcss" >          元  会员价:          <input type="text" name="huiyuanjia" size="10" class="inputcss">          元</div></td>      </tr>      <tr>        <td height="25" bgcolor="#FFFFFF"><div align="center">商品类型:</div></td>        <td height="25" bgcolor="#FFFFFF"><div align="left">           <?php			$sql=mysql_query("select * from tb_type order by id desc",$conn);			$info=mysql_fetch_array($sql);			if($info==false)			{			  echo "请先添加商品类型!";			}			else			{			?>            <select name="typeid" class="inputcss">			<?php			do			{			?>              <option value=<?php echo $info[id];?>><?php echo $info[typename];?></option>			<?php			}			while($info=mysql_fetch_array($sql));			?>              </select>            <?php		     }		    ?>        </div></td>      </tr>      <tr>        <td height="25" bgcolor="#FFFFFF"><div align="center">商品等级:</div></td>        <td height="25" bgcolor="#FFFFFF"><div align="left">          <select name="dengji" class="inputcss">            <option selected value="精品">精品</option>            <option value="一般">一般</option>            <option value="二手">二手</option>            <option value="淘汰">淘汰</option>          </select>        </div></td>      </tr>      <tr>        <td height="22" bgcolor="#FFFFFF"><div align="center">商品品牌:</div></td>        <td height="22" bgcolor="#FFFFFF"><div align="left"><input type="text" name="pinpai" class="inputcss" size="20"></div></td>      </tr>      <tr>        <td height="25" bgcolor="#FFFFFF"><div align="center">商品型号:</div></td>        <td height="25" bgcolor="#FFFFFF"><div align="left"><input type="text" name="xinghao" class="inputcss" size="20"></div></td>      </tr>      <tr>        <td height="25" bgcolor="#FFFFFF"><div align="center">是否推荐:</div></td>        <td height="25" bgcolor="#FFFFFF"><div align="left">          <select name="tuijian" class="inputcss" >            <option selected value=1>是</option>            <option value=0>否</option>          </select>     </div>      </td>      </tr>      <tr>        <td height="25" bgcolor="#FFFFFF"><div align="center">商品数量:</div></td>        <td height="25" bgcolor="#FFFFFF"><div align="left"><input type="text" name="shuliang" class="inputcss" size="20"></div></td>      </tr>      <tr>        <td height="25" bgcolor="#FFFFFF"><div align="center">商品图片:</div></td>        <td height="25" bgcolor="#FFFFFF"><div align="left">		<input type="hidden" name="MAX_FILE_SIZE" value="2000000">        <input type="file" name="upfile" class="inputcss" size="30"></div></td>      </tr>      <tr>        <td height="80" bgcolor="#FFFFFF"><div align="center">商品简介:</div></td>        <td height="25" bgcolor="#FFFFFF"><div align="left"><textarea name="jianjie" cols="80" rows="8" class="inputcss"></textarea>        </div></td>      </tr>      <tr>        <td height="25" colspan="2" bgcolor="#FFFFFF"><div align="center"><input name="submit" type="submit" class="buttoncss" id="submit" value="添加">          <input type="reset" value="重写" class="buttoncss"></div></td>      </tr>	  </form>    </table></td>  </tr></table></body></html>


回复讨论(解决方案)

为了方便分析,请贴出savenewgoods.php

是不是id什么重复了呀  打印一下提交的数据是否接收到了

<?php            $sql=mysql_query("select * from tb_type order by id desc",$conn);            $info=mysql_fetch_array($sql);            if($info==false)            {              echo "请先添加商品类型!";            }


while($info = mysql_fetch_array($sql)){}

为了方便分析,请贴出savenewgoods.php

晚上会全部贴出,谢谢大家了

PHP code?1234567$info=mysql_fetch_array($sql);          ……

138以下行重写么?最后得while替换到哪里 谢谢

不知道 只能显示第一条数据 是什么意思
你只给出了发布新商品的表单,并没有显示数据的代码

不知道 只能显示第一条数据 是什么意思
你只给出了发布新商品的表单,并没有显示数据的代码

 中午我会补贴下,到时候希望能够帮忙 谢谢

  我在下面贴了 savenewgoods.php和 changegoods.php 还有conn.php的代码 麻烦大大们看下了……
目前的问题是 后台只能添加一条数据 以后再怎么添加都看不到,但是类别添加却可以看到。。。

savenewgoods.php

<meta http-equiv="Content-Type" content="text/html; charset=gb2312"><?phpinclude("conn/conn.php");if(is_numeric($_POST[shichangjia])==false || is_numeric($_POST[huiyuanjia])==false) {   echo "<script>alert('价格只能为数字!');history.back();</script>";   exit; }if(is_numeric($_POST[shuliang])==false) {   echo "<script>alert('数量只能为数字!');history.back();</script>";   exit; }$mingcheng=$_POST[mingcheng];$nian=$_POST[nian];$yue=$_POST[yue];$ri=$_POST[ri];$shichangjia=$_POST[shichangjia];$huiyuanjia=$_POST[huiyuanjia];$typeid=$_POST[typeid];$dengji=$_POST[dengji];$xinghao=$_POST[xinghao];$pinpai=$_POST[pinpai];$tuijian=$_POST[tuijian];$shuliang=$_POST[shuliang];$upfile=$_POST[upfile];if(ceil(($huiyuanjia/$shichangjia)*100)<=80) {     $tejia=1; } else {    $tejia=0; }function getname($exname){   $dir = "upimages/";   $i=1;   if(!is_dir($dir)){      mkdir($dir,0777);   }      while(true){       if(!is_file($dir.$i.".".$exname)){	       $name=$i.".".$exname;	       break;	   }	   $i++;	 }   return $dir.$name;}$exname=strtolower(substr($_FILES['upfile']['name'],(strrpos($_FILES['upfile']['name'],'.')+1)));$uploadfile = getname($exname);move_uploaded_file($_FILES['upfile']['tmp_name'], $uploadfile);if(trim($_FILES['upfile']['name']!="")) {   $uploadfile="admin/".$uploadfile;}else {  $uploadfile=""; }$jianjie=$_POST[jianjie];$addtime=$nian."-".$yue."-".$ri;mysql_query("insert into tb_shangpin(mingcheng,jianjie,addtime,dengji,xinghao,tupian,typeid,shichangjia,huiyuanjia,pinpai,tuijian,shuliang,cishu)values('$mingcheng','$jianjie','$addtime','$dengji','$xinghao','$uploadfile','$typeid','$shichangjia','$huiyuanjia','$pinpai','$tuijian','$shuliang','0')",$conn);echo "<script>alert('商品".$mingcheng."添加成功!');window.location.href='addgoods.php';</script>";?>


savechangegoods.php
<meta http-equiv="Content-Type" content="text/html; charset=gb2312"><?phpinclude("conn/conn.php");$mingcheng=$_POST[mingcheng];$nian=$_POST[nian];$yue=$_POST[yue];$ri=$_POST[ri];$shichangjia=$_POST[shichangjia];$huiyuanjia=$_POST[huiyuanjia];$typeid=$_POST[typeid];$dengji=$_POST[dengji];$xinghao=$_POST[xinghao];$pinpai=$_POST[pinpai];$tuijian=$_POST[tuijian];$shuliang=$_POST[shuliang];//$upfile=$_POST[upfile]; if(ceil(($huiyuanjia/$shichangjia)*100)<=80) {     $tejia=1; } else {    $tejia=0; }if($upfile!=""){$sql=mysql_query("select * from tb_shangpin where id=".$_GET[id]."",$conn);$info=mysql_fetch_array($sql);@unlink(substr($info[tupian],6,(strlen($info[tupian])-6)));}function getname($exname){   $dir = "upimages/";   $i=1;   if(!is_dir($dir)){      mkdir($dir,0777);   }      while(true){       if(!is_file($dir.$i.".".$exname)){	       $name=$i.".".$exname;	       break;	   }	   $i++;	 }   return $dir.$name;}$exname=strtolower(substr($_FILES['upfile']['name'],(strrpos($_FILES['upfile']['name'],'.')+1)));$uploadfile = getname($exname);move_uploaded_file($_FILES['upfile']['tmp_name'], $uploadfile);$uploadfile="admin/".$uploadfile;$jianjie=$_POST[jianjie];$addtime=$nian."-".$yue."-".$ri;mysql_query("update tb_shangpin set mingcheng='$mingcheng',jianjie='$jianjie',addtime='$addtime',dengji='$dengji',xinghao='$xinghao',tupian='$uploadfile',typeid='$typeid',shichangjia='$shichangjia',huiyuanjia='$huiyuanjia',pinpai='$pinpai',tuijian='$tuijian',shuliang='$shuliang' where id=".$_GET[id]."",$conn);echo "<script>alert('商品".$mingcheng."修改成功!');history.back();;</script>";?>


conn.php

<?php           $conn=mysql_connect("localhost","root","") or die("数据库服务器连接错误".mysql_error());           mysql_select_db("db_shop",$conn) or die("数据库访问错误".mysql_error());           mysql_query("set character set gb2312");		   mysql_query("set names gb2312");?>

不知道 只能显示第一条数据 是什么意思
你只给出了发布新商品的表单,并没有显示数据的代码

我已经贴上来了 谢谢了

是指每次向数据库里只能插一条信息么?
我简单测试了一下应该没有问题的,是不是建表的primary key没有设置对?

是指每次向数据库里只能插一条信息么?
我简单测试了一下应该没有问题的,是不是建表的primary key没有设置对?

表,我找到问题了 MYSQL的写入被禁用了 PHP.INI和MY.INI没有配置好。。。

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