我想这个链接两种文件,但没有工作, 第一个文件湄选项下拉形式 塞康文件打印图像 任何机构可以给予指教? 感谢您UR帮助isset(_ POST)无法正常工作
文件选项章:
$spi1s[1]="01_SAT_MAX_DUR";
$spi1s[2]="01_SAT_MAX_INT";
$spi1s[3]="01_SAT_RTN_PRD";
$spi1s[4]="01_SAT_FREQ";
$spires1 = mysql_query("SELECT SPI FROM kekeringan where SPI like '%01_SAT%'");
$spirow1=mysql_fetch_array($spires1);
$spiTitle1=$spirow1["SPI"];
foreach ($spi1s as $spiTitle1) {
echo "<option id=\"option\" value=\"".$spiTitle1."\" ";
if (isset($_POST['plot']) && $_POST['plot'] == $spiTitle1) { echo "selected=\"SELECTED\" "; }
echo ">
$spiTitle1
</option>";
}
echo "<br />";
echo "<br />";echo "</select></td>\n";
echo "<input id='option' type=\"submit\" name=\"getringan\" value=\"Submit\" />\n";
echo "</form>\n";
文件打印:
if(isset($_POST['getringan'])){
$spi1s[1]="01_SAT_MAX_DUR";
$spi1s[2]="01_SAT_MAX_INT";
$spi1s[3]="01_SAT_RTN_PRD";
$spi1s[4]="01_SAT_FREQ";
$spires1 = mysql_query("SELECT SPI FROM ringan where SPI like '%01_SAT%'");
$spirow1=mysql_fetch_array($spires1);
$spiTitle1=$spirow1["SPI"];
$image = "<div id=\"plot_res\" style='border: none;width:810px;height:610px;margin:auto;padding:auto;'>";
if ($_POST['plot'] == "01_SAT_MAX") {
$image .= "<center><img src=\"../data/4_0_0.png\" /></center>";
$image .= "</div>";
echo $image;
} elseif ($_POST['plot'] == "SPI_01_SAT_MAX_INT"){
$image .= "<center><img src=\"../data/4_1_0.png\" /></center>";
$image .= "</div>";
echo $image;
} elseif ($_POST['plot'] == "SPI_01_SAT_RTN_PRD"){
$image .= "<center><img src=\"../data/4_2_0.png\" /></center>";
$image .= "</div>";
echo $image;
} elseif ($_POST['plot'] == "SPI_01_SAT_FREQ"){
$image .= "<center><img src=\"../data/4_3_0.png\" /></center>";
$image .= "</div>";
echo $image;
} else {echo "fail";}
什么不起作用? – Jite 2014-11-23 07:43:14
这些POST从哪里来? isset()不工作意味着严重错误的PHP安装,这是最不可能的问题 – 2014-11-23 07:48:40
你的表单操作标签在哪里?您是否将方法帖子设置为表单? – alphawow 2014-11-23 08:03:26