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根据数据库自动生成INSERT/UPDATE更新语句

网站教程2024-02-18 阅读
[摘要]在编写程序中,写添加和更新SQL语句是一个比较烦琐的过程,特别是在表结构比较复杂的时候这个程序主要是根据数据表格式自动生成添加/更新的SQL语句,然后由程序员直接加入到程序中,方便编程下面是文件,方法建立一个单独的文件,按照下面的说明建立相关文件,运行即可index.php 索引文件config....
在编写程序中,写添加和更新SQL语句是一个比较烦琐的过程,特别是在表结构比较复杂的时候
这个程序主要是根据数据表格式自动生成添加/更新的SQL语句,然后由程序员直接加入到程序中,方便编程

下面是文件,方法建立一个单独的文件,按照下面的说明建立相关文件,运行即可
index.php 索引文件
config.php配置文件,转换get/post数据
addxxx.php根据提交表格数据生成SQL语句
addxxx2.php根据数据库表信息生成SQL语句,配置数据库在文件内部

@author bluemaple<bluemaple@xinhuanet.com>
----------------------------------------------------------
index.php文件
----------------------------------------------------------
自动生成模版
<br><br>
<a href=addxxx.php>自动生成添加表格,并产生相关sql添加语句,生成UPDATE语句(简单版)</a>
<br><br>
<a href=addxxx2.php>更数据表生成相关添加页面</a>
----------------------------------------------------------

config.php文件
----------------------------------------------------------
<?
/* 转换get和post数据 */
if (!defined('PMA_GRAB_GLOBALS_INCLUDED'))
{
define('PMA_GRAB_GLOBALS_INCLUDED', 1);

if (!empty($_GET))
{
extract($_GET);
}
else if (!empty($HTTP_GET_VARS))
{
extract($HTTP_GET_VARS);
} // end if

if (!empty($_POST))
{
extract($_POST);
}
else if (!empty($HTTP_POST_VARS))
{
extract($HTTP_POST_VARS);
} // end if

if (!empty($_FILES))
{
while (list($name, $value) = each($_FILES))
{
$$name = $value['tmp_name'];
}
}
else if (!empty($HTTP_POST_FILES))
{
while (list($name, $value) = each($HTTP_POST_FILES))
{
$$name = $value['tmp_name'];
}
} // end if
}

?>
----------------------------------------------------------
addxxx.php
----------------------------------------------------------
<?
include("config.php");

if($action == "")
{
echo "<form action=addxxx.php method=get onSubmit=\"if(n.value==''){alert('请输入数字');return false;}else return true;\">
添加的表数目:<input type=text name=n value=1><br>
<input type=hidden name=action value='c'>
<input type=submit name=createSubmit value='生成'>
</form>";
exit();
}

if($action == "c")
{
echo "<form method=post action=addxxx.php>";
echo "添加到数据表:<input type=text name=t><br>
方法(METHOD):<input type=text name=m value=post><br>
提交表到(ACTION):<input type=text name=a value='<? echo \$HTTP_SERVER_VARS[PHP_SELF] ?>'><br><br>";
echo "<table border=1>";
echo "<tr><td>编号</td><td>说明</td><td>表名(TableName)</td><td>值(VALUE)</td></tr>";
for($i = 1; $i<=$n; $i++)
{
echo "<tr>";
echo "<td>$i</td>";
echo "<td><input name=e$i type=text></td>";
echo "<td><input name=n$i type=text></td>";
echo "<td><input name=v$i type=text></td>";
echo "</tr>";
}
echo "<tr><td colspan=3 align=center><input type=submit name=submit value='确 定'></td></tr>";
echo "";
echo "<input type=hidden name=n value='$n'>";
echo "<input type=hidden name=action value='a'>";
echo "</form>";
}

if($action == "a")
{
echo "<h3>生成的插入SQL语句</h3>";
if($submit)
{
if($t == "") $t = "TABLE";
$tName = "";
$tValue= "";

// table ...
for($i = 1; $i <= $n; $i++)
{
$temp = "n".$i;
$tName .= $$temp;
if($i != $n)
{
$tName .= ", ";
}

$tempi = "n".$i;
$tValue .= "'\$".$$tempi."'";
if($i != $n)
{
$tValue .= ", ";
}

$usqli .= $$temp."='\$".$$tempi."'";
if($i != $n)
{
$usqli .= ", ";
}
}

$sql = "INSERT INTO $t ($tName) VALUES ($tValue);";
echo $sql;

echo "<br><br>";
$usql = "UPDATE $t SET ".$usqli." WHERE ***";
echo $usql;

echo "<pre>";
echo "<b>生成表格</b> 点右键查看源文件";
echo "<table width=\"700\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\" align=\"center\" bgcolor=\"\">
<form action='$a' method='$m'>
<tr>
<td width=\"\"></td>
<td width=\"\"></td>
</tr>";

for($i = 1; $i <= $n; $i++)
{
$etemp = "e".$i;
$ntemp = "n".$i;
$vtemp = "v".$i;
echo "<tr>
<td>".$$etemp."</td>
<td><input type=text class=\"\" name=\"".$$ntemp."\" value=\"".$$vtemp."\"></td>
</tr>";
}
echo "<tr>
<td></td>
<td><input type=submit value='添加' class=\"\"><input type=reset value='重置' class=\"\"></td>
</tr>
</form>
";

echo "</pre>";
}
}
?>
----------------------------------------------------------
addxxx2.php
----------------------------------------------------------
<?
include("config.php");

if($action == "") $action = "d";
$mysqlServer = "localhost";
$mysqlPort = 3306;
$mysqlUser = "root";
$mysqlPwd = "";

if($action == 'd')
{
$mysql_id = mysql_pconnect($mysqlServer.":".$mysqlPort, $mysqlUser, $mysqlPwd);


if($db == "")
{
$db_list = mysql_list_dbs();
echo "选择数据库<br>";
while ($row = mysql_fetch_object($db_list))
{
echo "<a href=addxxx2.php?action=d&db=".$row->Database.">".$row->Database ."</a><br>";
}
}

if($db != "")
{
mysql_select_db($db);

$tresult = mysql_list_tables($db);

if (!$tresult)
{
echo "DB Error, could not list tables\n";
echo 'MySQL Error: ' . mysql_error();
exit;
}
echo "数据库<b>$db</b>列表<br>";
while ($row = mysql_fetch_row($tresult))
{
print "<a href=addxxx2.php?db=$db&tname=$row[0]>$row[0]</a><br>";
}

if($tname != "")
{
$fields = mysql_list_fields($db, $tname);
$n = mysql_num_fields($fields);

echo "<br><b>$tname</b>表中:";
for ($i = 0; $i < $n; $i++)
{
$name = mysql_field_name($fields, $i);
echo $name." ";
 
 $tName .= $name;
 $vName .= "'\$".$name."'";
 $usqli .= $name."='\$".$name."'";
 if($i != $n-1)
{
$tName .= ", ";
$vName .= ", ";
$usqli .=" and ";
}

//create table...
$table .= "<tr>
<td>".$name."</td>
<td><input type=text class=\"\" name=\"".$name."\" value=\"\"></td>
</tr>\n";


}

echo "生成表:<br><br>";
echo "INSERT INTO $tname ($tName) VALUES ($vName);";

echo "<br><br>";
$usql = "UPDATE $tname SET ".$usqli." WHERE ***";
echo $usql;

echo "<pre>";
echo "<b>生成表格</b> 点右键查看源文件<br>\n";
echo "<table width=\"700\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\" align=\"center\" bgcolor=\"\">
<form action='$a' method='$m'>
<tr>
<td width=\"\"></td>
<td width=\"\"></td>
</tr>";

echo "$table";

echo "<tr>
<td></td>
<td><input type=submit value='添加' class=\"\"><input type=reset value='重置' class=\"\"></td>
</tr>
</form>
";

echo "</pre>";

}
}
}
?>

……

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