php: click the submit button but it dosen't work

Question

This website say I can't put too many code. So I put these pictures for intance.

<form name="form1" method="post" action='doAction.php?option=add&a=<?php echo $_GET["id"]?"update&id=".$_GET["id"]:"add";?>'>
                        <table width="820px" height="500px" border="0" cellpadding="0" bgcolor="#FFFFFF">
                            <tr>
                                <td width="500px" align="center" style="font-size:20px;line-height: 100px"><div>公告主题：</div></td>
                                <td width="500px" height="50px">
                                    <input name="title" type="text" id="txt_title" size="40"
                                           style="width: 500px; height: 50px"
                                           value="<?php
                                    $result = null;
                                    if ($id = $_GET['id']) {
                                        //1.导入配置文件和Model类
                                        require("config.php");
                                        require("Model.php");
                                        $mod = new Model('tb_notice');                     //实例化类
                                        $result = $mod->find($id);                         //调用find()方法
                                        echo $result['title'];                         //读取标题字段
                                    }?>">
                                </td>
                            </tr>
                            <tr>
                                <td height="500px" align="center" style="font-size: 20px">公告内容：</td>
                                <td><textarea name="content" cols="60" rows="40" style="width: 500px; height: 400px;margin: 0px;"
                                              id="txt_content" value="<?php echo $result['content']?>"></textarea></td>
                            </tr>
                            <tr>
                                <td height="40" colspan="2" align="center">
                                    <input  type="submit" name="Submit" id="Submit" value="修改/添加">
                                    &nbsp;<input type="reset" name="Submit2" id="Submit2" value="重置"></td>
                            </tr>
                        </table>
                    </form>

when I clicked the submit button, it didn't work. But when I clicked the reset button , it works.

Here is a animation.

Do I need to submit any other information?

===update===

when I changed:

<form name="form1" method="post" action="doAction.php?option=add&a=<?php if ($_GET['id']) {
    echo "update&id=$_GET[id]";
    } else {
        echo "add";
    } ?>">

TO:

<form name="form1" method="post" action="doAction.php?option=add&a=add">

It works.

Why?

you have to make sure the action on the form. Check for the same. if still not works, try button tag instead of the input type submit — Birendra Singh
– Birendra Singh, Commented Jun 11, 2020 at 7:45
I have updated the question.Could you take a look again for me?@BirendraSingh — Clancy Zeng
– Clancy Zeng, Commented Jun 11, 2020 at 7:54
console output: ``` [Deprecation] Resource requests whose URLs contained both removed whitespace (\n, \r, \t) characters and less-than characters (<) are blocked. Please remove newlines and encode less-than characters from places like element attribute values in order to load these resources. See chromestatus.com/feature/5735596811091968 for more details. ``` — Clancy Zeng
– Clancy Zeng, Commented Jun 11, 2020 at 8:00

Majid Ahmadi · Accepted Answer · 2020-06-11 09:05:18Z

1

replace your this section

<form name="form1" method="post" action='doAction.php?option=add&a=<?php echo $_GET["id"]?"update&id=".$_GET["id"]:"add";?>'>

with

<?php
    $str = "add"; 
    if(isset($_GET['id']) && $_GET['id'])
    {
        $str = "update&id=".$_GET['id'];
    }
?>
<form name="form1" method="post" action="doAction.php?option=add&a=<?php echo $str ; ?>">

answered Jun 11, 2020 at 9:05

Majid Ahmadi

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1 Comment

Clancy Zeng Over a year ago

Thank you!@Majid Ahmadi

Majid Ahmadi · Accepted Answer · 2020-06-11 07:33:41Z

0

check form alonely becouse your form alonely worked maybe prevent to submit in another section of page with javascript

answered Jun 11, 2020 at 7:33

Majid Ahmadi

1275 bronze badges

3 Comments

Clancy Zeng Over a year ago

I have updated the question.Can you take a look again for me?@Majid Ahmadi

Majid Ahmadi Over a year ago

send all of content in your document , becouse your form alonely worked in both times

Clancy Zeng Over a year ago

I have uploaded it as pictures.@Majid Ahmadi

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