Form.php
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<?php //Form.php class form { var $layout =true; //是否使用表格布局 var $action ; //表單要提交到的URL var $method ; var $enctype = "" ; var $name = "" ; var $id = "" ; var $class = "" ; function form( $action , $method = "POST" ){ //通過構(gòu)造函數(shù)初始化成員變量 $this ->action= $action ; $this ->method= $method ; } function form_start(){ $text = "<form action=\"{$this->action}\" method=\"{$this->method}\"" ; 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 .= "<table>\n" ; } return $text ; } function form_end(){ if ( $this ->layout==true) { $text = "\t</table>\n" ; $text .= "</form>\n" ; } else { $text = "</form>\n" ; } return $text ; } //文本框函數(shù) function form_text( $name , $id , $label_name , $label_for , $value = "" ){ $text = "<input type=\"text\" name=\"{$name}\" " ; $text .= "id=\"{$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 ; } //密碼框函數(shù) function form_passwd( $name , $id , $label_name , $label_for , $value = "" ){ $text = "<input type=\"password\" name=\"{$name}\" " ; $text .= "id=\"{$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 ; } //隱藏域函數(shù) function form_hidden( $name , $id , $label_name , $label_for , $value = "" ){ $text = "<input type=\"hidden\" name=\"{$name}\" 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 ; } //文件域函數(shù) function form_file( $name , $id , $label_name , $label_for , $size = "" ){ $text = "<input type=\"file\" name=\"{$name}\" " ; $text .= "id=\"{$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 ; } //復(fù)選框函數(shù) function form_checkbox( $name , $label = array (), $label_name , $label_for = "" ){ $i =0; $text = array (); foreach ( $label as $id => $value ){ $text [ $i ]= "<input type=\"checkbox\" id=\"{$id}\" name=\"{$name}\" value=\"{$value}\" />" ; $text [ $i ].= "<label for=\"{$id}\">{$value}</label>" ; $i ++; } $label = $this ->form_label( $label_name , $label_for ); $form_item = $this ->form_item( $label , $text ); return $form_item ; } //單選框函數(shù) function form_radio( $name , $label = array (), $label_name , $label_for = "" ){ $i =0; $text = array (); foreach ( $label as $id => $value ){ $text [ $i ]= "<input type=\"radio\" id=\"{$id}\" name=\"{$name}\" value=\"{$value}\" />" ; $text [ $i ].= "<label for=\"{$id}\">{$value}</label>" ; $i ++; } $label = $this ->form_label( $label_name , $label_for ); $form_item = $this ->form_item( $label , $text ); return $form_item ; } //下拉菜單函數(shù) function form_select( $id , $name , $options = array (), $selected =false, $label_name , $label_for , $onchange = "" ){ if ( $onchange !== "" ){ $text = "<select id=\"{$id}\" name=\"{$name}\" onchang=\"{$onchange}\">\n" ; } else { $text = "<select id=\"{$id}\" name=\"{$name}\">\n" ; } foreach ( $options as $value => $key ){ if ( $selected == $value ){ $text .= "\t<option valute=\"{$value}\" selected=\"selected\">{$key}</option>\n" ; } elseif ( $selected ===false) { $text .= "\t<option value=\"{$value}\">{$key}</option>\n" ; } } $text .= "</select>" ; $label = $this ->form_label( $label_name , $label_for ); $form_item = $this ->form_item( $label , $text ); return $form_item ; } //多選列表函數(shù) function form_selectmul( $id , $name , $size , $options = array (), $label_name , $label_for ){ $text = "<select id=\"{$id}\" name=\"{$name}\" size=\"{$size}\" multiple=\"multiple\">\n" ; foreach ( $options as $value => $key ){ $text .= "\t<option value=\"{$value}\">{$key}</option>\n" ; } $text .= "</select>\n" ; $label = $this ->form_label( $label_name , $label_for ); $form_item = $this ->form_item( $label , $text ); return $form_item ; } //按鈕函數(shù) function form_button( $id , $name , $type , $value , $onclick = "" ){ $text = "<button id=\"{$id}\" name=\"{$name}\" type=\"{$type}\"" ; if ( $onclick !== "" ){ $text .= " onclick='{$onclick}'" ; } $text .= ">" . $value ; $text .= "</button>\n" ; if ( $this ->layout==true){ $form_item = "<tr>\n\t<th> </th><td>{$text}</td>\n</tr>\n" ; } else { $form_item = $text ; } return $form_item ; } //文本域函數(shù) function form_textarea( $id , $name , $cols , $rows , $label_name , $label_for , $value = "" ){ $text = "<textarea id=\"{$id}\" name=\"{$name}\" cols=\"{$cols}\" rows=\"{$rows}\">{$value}</textarea>\n" ; $label = $this ->form_label( $label_name , $label_for ); $form_item = $this ->form_item( $label , $text ); return $form_item ; } //文字標(biāo)簽函數(shù) function form_label( $text , $for ){ if ( $for !== "" ){ $label = "<label for=\"{$for}\">{$text}:</label>" ; } else { $label = $text . ":" ; } return $label ; } function form_item( $form_label , $form_text ){ switch ( $this ->layout){ case true: $text = "<tr>\n" ; $text .= "\t<th class=\"label\">" ; $text .= $form_label ; $text .= "</th>\n" ; $text .= "\t<td>" ; $text .= $form_text ; $text .= "</td>\n" ; $text .= "</tr>\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(); } } ?> |
使用示例:
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" > <html xmlns= "http://www.w3.org/1999/xhtml" xml:lang= "zh" lang= "zh" > <head> <meta http-equiv= "Content-Type" content= "text/html; charset=gb2312" /> <link rel= "stylesheet" type= "text/css" href= "css/styles.css" /> <title>用戶登錄</title> </head> <body> <?php require_once ( "form.php" ); $form = new form( $_SERVER [ 'PHP_SELF' ]); //提交到本頁 $form ->layout=false; //不使用表格布局,大家可以把這句注釋掉看結(jié)果有何不同 $name = $form ->form_text( "userid" , "userid" , "用戶名" , "userid" ); $passwd = $form ->form_passwd( "passwd" , "passwd" , "密碼" , "passwd" ); $submit = $form ->form_button( "" , "submit" , "submit" , "登錄" ); $form_item = array ( $name , $passwd , $submit ); $form ->CreateForm( $form_item ); ?> </body> </html> |
以上所述就是本文的全部內(nèi)容了,希望大家能夠喜歡。