PHP automatically generates form code sharing_PHP tutorial

PHP automatically generates form code sharing

During the PHP development process, we sometimes encounter situations where the form is not fixed and needs to be dynamically generated during the running of the program. Share it here A PHP class to automatically create forms for everyone

Form.php

　?

ntnn";

}else {

$form_item=$text;

}

return $form_item;

}

//文本域函数

function form_textarea($id,$name,$cols,$rows,$label_name,$label_for,$value=""){

$text="{$value}n";

$label=$this->form_label($label_name,$label_for);

$form_item=$this->form_item($label,$text);

return $form_item;

}

//文字标签函数

function form_label($text,$for){

if($for!==""){

$label="{$text}：";

}else {

$label=$text."：";

}

return $label;

}

function form_item($form_label,$form_text){

switch ($this->layout){

case true:

$text="

n";

$text.="t

n";

$text.="t

n";

$text.="

n";

break;

case false:

$text=$form_label;

$text.=$form_text;

break;

}

return $text;

}

function CreateForm($form_item=array()){

echo $this->form_start();

foreach ($form_item as $item){

echo $item;

}

echo $this->form_end();

}

}

?>

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//Form.php

class form {

var $layout=true;//Whether to use table layout

var $action;//The URL to which the form should be submitted

var $method;

var $enctype="";

var $name="";

var $id="";

var $class="";

function form($action,$method="POST"){ //Initialize member variables through the constructor

$this->action=$action;

$this->method=$method;

}

function form_start(){

$text="

if($this->class!==""){

$text.=" class="{$this->class}"";

}

if ($this->enctype!=="") {

$text.=" enctype="{$this->enctype}"";

}

if($this->id!==""){

$text.=" id="{$this->id}"";

}

if($this->name!==""){

$text.=" name="{$this->name}"";

}

$text.=">n";

if($this->layout==true){

$text.="

n";

}

return $text;

}

function form_end(){

if ($this->layout==true) {

$text="t

n";

$text.="

n";

}else {

$text="n";

}

return $text;

}

//Text box function

function form_text($name,$id,$label_name,$label_for,$value=""){

$text="

$text.="id="{$id}" ";

if(isset($value)){

$text.="value="{$value}" ";

}

$text.="/>n";

$label=$this->form_label($label_name,$label_for);

$form_item=$this->form_item($label,$text);

return $form_item;

}

//Password box function

function form_passwd($name,$id,$label_name,$label_for,$value=""){

$text="

$text.="id="{$id}" ";

if(isset($value)){

$text.="value="{$value}" ";

}

$text.="/>n";

$label=$this->form_label($label_name,$label_for);

$form_item=$this->form_item($label,$text);

return $form_item;

}

//Hidden domain function

function form_hidden($name,$id,$label_name,$label_for,$value=""){

$text="

if(isset($value)){

$text.="value="{$value}" ";

}

$text.="/>n";

$label=$this->form_label($label_name,$label_for);

$form_item=$this->form_item($label,$text);

return $form_item;

}

//File domain function

function form_file($name,$id,$label_name,$label_for,$size=""){

$text="

$text.="id="{$id}" ";

if(isset($size)){

$text.="size="{$size}" ";

}

$text.="/>n";

$label=$this->form_label($label_name,$label_for);

$form_item=$this->form_item($label,$text);

return $form_item;

}

//Checkbox function

function form_checkbox($name,$label=array(),$label_name,$label_for=""){

$i=0;

$text=array();

foreach ($label as $id=>$value){

$text[$i]="";

$text[$i].="{$value}";

$i ;

}

$label=$this->form_label($label_name,$label_for);

$form_item=$this->form_item($label,$text);

return $form_item;

}

//单选框函数

function form_radio($name,$label=array(),$label_name,$label_for=""){

$i=0;

$text=array();

foreach ($label as $id=>$value){

$text[$i]="";

$text[$i].="{$value}";

$i ;

}

$label=$this->form_label($label_name,$label_for);

$form_item=$this->form_item($label,$text);

return $form_item;

}

//下拉菜单函数

function form_select($id,$name,$options=array(),$selected=false,$label_name,$label_for,$onchange=""){

if($onchange!==""){

$text="n";

}

else{

$text="

n";

}

foreach ($options as $value=>$key){

if($selected==$value){

$text.="t{$key}n";

}elseif ($selected===false) {

$text.="t{$key}n";

}

}

$text.="";

$label=$this->form_label($label_name,$label_for);

$form_item=$this->form_item($label,$text);

return $form_item;

}

//多选列表函数

function form_selectmul($id,$name,$size,$options=array(),$label_name,$label_for){

$text="n";

foreach ($options as $value=>$key){

$text.="t

{$key}n";

}

$text.="

n";

$label=$this->form_label($label_name,$label_for);

$form_item=$this->form_item($label,$text);

return $form_item;

}

//按钮函数

function form_button($id,$name,$type,$value,$onclick=""){

$text="

if($onclick!==""){

$text.=" onclick='{$onclick}'";

}

$text.=">".$value;

$text.="

n";

if($this->layout==true){

$form_item="

{$text}

";

$text.=$form_label;

$text.="

";

$text.=$form_text;

$text.="

　　使用示例：

　　?

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require_once("form.php"); $form=new form($_SERVER['PHP_SELF']); //提交到本页 $form->layout=false; //不使用表格布局，大家可以把这句注释掉看结果有何不同 $name=$form->form_text("userid","userid","用户名","userid"); $passwd=$form->form_passwd("passwd","passwd","密码","passwd"); $submit=$form->form_button("","submit","submit","登录"); $form_item=array($name,$passwd,$submit); $form->CreateForm($form_item); ?>

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<🎜>require_once("form.php");<🎜> <🎜>$form=new form($_SERVER['PHP_SELF']); //提交到本页<🎜> <🎜>$form->layout=false; //不使用表格布局，大家可以把这句注释掉看结果有何不同 $name=$form->form_text("userid","userid","用户名","userid"); $passwd=$form->form_passwd("passwd","passwd","密码","passwd"); $submit=$form->form_button("","submit","submit","登录"); $form_item=array($name,$passwd,$submit); $form->CreateForm($form_item); ?> 　　以上所述就是本文的全部内容了，希望大家能够喜欢。 http://www.bkjia.com/PHPjc/1018930.htmlwww.bkjia.comtruehttp://www.bkjia.com/PHPjc/1018930.htmlTechArticlePHP自动生成表单代码分享 在PHP开发过程中，我们有时候会遇到表单不固定的情况，需要在程序运行过程中动态生成，这里分享一个PHP自动创...