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php修改表单数据思路 php修改表单数据思路怎么写

php中的一个表单提交修改数据库中两个表的部分数据要怎么实现~连接mysql语句不会

写2条sql语句啊!

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执行两次修改啊!

当然,如果表有关系的话,也可以在mysql中建立一个触发器

当一个表有变化的时候,会触发例外一个表也进行变化!

不过这个比写php更难弄些!

特别是你刚接触php!

你可以百度一下mysql触发器

我想用php 修改表单数据,要求在单独的修改页面执行

1、新建一个edit.php

2、在edit.php里调用要修改的记录,如果不会再问。

3、将调用的记录数据填充到 edit.php的form里去。

4、将form的action改为action="edit_save.php"

5、把?php

$con=mysql_connect("localhost","root","");

if(!$con)

{

die('Coudl not connet:'.mysql_error());

}

mysql_select_db("my_db", $con);

mysql_query("UPDATE Persons SET Firstname='".$_POST["firstname"]."',

Lastname='".$_POST["lastname"]."',Password='".$_POST["password"]."',Age='".$_POST["age"]."'");

mysql_close($con);

echo "scriptwindow.location.href='1.php';/script ";

?保存为edit_save.php

PHP表单怎样去修改数据库表里的所有内容 - 技术问答

首先要用$_POST接收表单传过来的数据然后用SQL写到库里update table set ........where id=\".$_REQUEST[id]

怎么在php中用表单修改指定数据库表中指定ID的数据

html

headtitle/title/head

body

?php

//数据库查询,得出下面表单id与name的值。

?

form name="form1" action="" method="post"

input type="hidden" name="userid" value="?php echo $id ?" /

input type="text" name="username" value="?php echo $name ?" /

input type="submit" name="submit" /

/form

/body/html

?php

if(isset($_POST['submit'])){

$link = mysql_connect('localhost','root','123456') or die(‘连接失败!’);

mysql_select_db('mydb',$link)or die(‘数据库链接失败!’);

$sql = "update users set user_name='$name' where id='$id'";

$res = mysql_query($sql);

if($res)

echo '修改成功';

else

echo '修改失败';

}

一个复杂的PHP表单处理方案

JS 实现BASE64_ENCODE 和 BASE64_DECODE

script language='javascript'

/* utf.js - UTF-8 = UTF-16 convertion

*

* Copyright (C) 1999 Masanao Izumo iz@onicos.co.jp

* Version: 1.0

* LastModified: Dec 25 1999

* This library is free. You can redistribute it and/or modify it.

*/

/*

* Interfaces:

* utf8 = utf16to8(utf16);

* utf16 = utf16to8(utf8);

*/

function utf16to8(str) {

var out, i, len, c;

out = "";

len = str.length;

for(i = 0; i len; i++) {

c = str.charCodeAt(i);

if ((c = 0x0001) (c = 0x007F)) {

out += str.charAt(i);

} else if (c 0x07FF) {

out += String.fromCharCode(0xE0 | ((c 12) 0x0F));

out += String.fromCharCode(0x80 | ((c 6) 0x3F));

out += String.fromCharCode(0x80 | ((c 0) 0x3F));

} else {

out += String.fromCharCode(0xC0 | ((c 6) 0x1F));

out += String.fromCharCode(0x80 | ((c 0) 0x3F));

}

}

return out;

}

function utf8to16(str) {

var out, i, len, c;

var char2, char3;

out = "";

len = str.length;

i = 0;

while(i len) {

c = str.charCodeAt(i++);

switch(c 4)

{

case 0: case 1: case 2: case 3: case 4: case 5: case 6: case 7:

// 0xxxxxxx

out += str.charAt(i-1);

break;

case 12: case 13:

// 110x xxxx 10xx xxxx

char2 = str.charCodeAt(i++);

out += String.fromCharCode(((c 0x1F) 6) | (char2 0x3F));

break;

case 14:

// 1110 xxxx 10xx xxxx 10xx xxxx

char2 = str.charCodeAt(i++);

char3 = str.charCodeAt(i++);

out += String.fromCharCode(((c 0x0F) 12) |

((char2 0x3F) 6) |

((char3 0x3F) 0));

break;

}

}

return out;

}

/* Copyright (C) 1999 Masanao Izumo iz@onicos.co.jp

* Version: 1.0

* LastModified: Dec 25 1999

* This library is free. You can redistribute it and/or modify it.

*/

/*

* Interfaces:

* b64 = base64encode(data);

* data = base64decode(b64);

*/

var base64EncodeChars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";

var base64DecodeChars = new Array(

-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,

-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,

-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 62, -1, -1, -1, 63,

52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1, -1, -1, -1, -1,

-1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,

15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1,

-1, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,

41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, -1, -1, -1, -1, -1);

function base64encode(str) {

var out, i, len;

var c1, c2, c3;

len = str.length;

i = 0;

out = "";

while(i len) {

c1 = str.charCodeAt(i++) 0xff;

if(i == len)

{

out += base64EncodeChars.charAt(c1 2);

out += base64EncodeChars.charAt((c1 0x3) 4);

out += "==";

break;

}

c2 = str.charCodeAt(i++);

if(i == len)

{

out += base64EncodeChars.charAt(c1 2);

out += base64EncodeChars.charAt(((c1 0x3) 4) | ((c2 0xF0) 4));

out += base64EncodeChars.charAt((c2 0xF) 2);

out += "=";

break;

}

c3 = str.charCodeAt(i++);

out += base64EncodeChars.charAt(c1 2);

out += base64EncodeChars.charAt(((c1 0x3) 4) | ((c2 0xF0) 4));

out += base64EncodeChars.charAt(((c2 0xF) 2) | ((c3 0xC0) 6));

out += base64EncodeChars.charAt(c3 0x3F);

}

return out;

}

function base64decode(str) {

var c1, c2, c3, c4;

var i, len, out;

len = str.length;

i = 0;

out = "";

while(i len) {

/* c1 */

do {

c1 = base64DecodeChars[str.charCodeAt(i++) 0xff];

} while(i len c1 == -1);

if(c1 == -1)

break;

/* c2 */

do {

c2 = base64DecodeChars[str.charCodeAt(i++) 0xff];

} while(i len c2 == -1);

if(c2 == -1)

break;

out += String.fromCharCode((c1 2) | ((c2 0x30) 4));

/* c3 */

do {

c3 = str.charCodeAt(i++) 0xff;

if(c3 == 61)

return out;

c3 = base64DecodeChars[c3];

} while(i len c3 == -1);

if(c3 == -1)

break;

out += String.fromCharCode(((c2 0XF) 4) | ((c3 0x3C) 2));

/* c4 */

do {

c4 = str.charCodeAt(i++) 0xff;

if(c4 == 61)

return out;

c4 = base64DecodeChars[c4];

} while(i len c4 == -1);

if(c4 == -1)

break;

out += String.fromCharCode(((c3 0x03) 6) | c4);

}

return out;

}

//input base64 encode

function strdecode(str){

return utf8to16(base64decode(str));

}

document.write(strdecode('5L2g5aW9Iee+juWlsyE='));

/script

首先直接做成一页,中间步骤的数据处理用JS,然后就可以正常提交,交给原系统的注册处理页面


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