PHP自动生成表单代码分享
Form.php
<?php
//Form.php
classform{
var$layout=true;//是否使用表格布局
var$action;//表单要提交到的URL
var$method;
var$enctype="";
var$name="";
var$id="";
var$class="";
functionform($action,$method="POST"){//通过构造函数初始化成员变量
$this->action=$action;
$this->method=$method;
}
functionform_start(){
$text="<formaction=\"{$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;
}
functionform_end(){
if($this->layout==true){
$text="\t</table>\n";
$text.="</form>\n";
}else{
$text="</form>\n";
}
return$text;
}
//文本框函数
functionform_text($name,$id,$label_name,$label_for,$value=""){
$text="<inputtype=\"text\"name=\"{$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$form_item;
}
//密码框函数
functionform_passwd($name,$id,$label_name,$label_for,$value=""){
$text="<inputtype=\"password\"name=\"{$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$form_item;
}
//隐藏域函数
functionform_hidden($name,$id,$label_name,$label_for,$value=""){
$text="<inputtype=\"hidden\"name=\"{$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$form_item;
}
//文件域函数
functionform_file($name,$id,$label_name,$label_for,$size=""){
$text="<inputtype=\"file\"name=\"{$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$form_item;
}
//复选框函数
functionform_checkbox($name,$label=array(),$label_name,$label_for=""){
$i=0;
$text=array();
foreach($labelas$id=>$value){
$text[$i]="<inputtype=\"checkbox\"id=\"{$id}\"name=\"{$name}\"value=\"{$value}\"/>";
$text[$i].="<labelfor=\"{$id}\">{$value}</label>";
$i++;
}
$label=$this->form_label($label_name,$label_for);
$form_item=$this->form_item($label,$text);
return$form_item;
}
//单选框函数
functionform_radio($name,$label=array(),$label_name,$label_for=""){
$i=0;
$text=array();
foreach($labelas$id=>$value){
$text[$i]="<inputtype=\"radio\"id=\"{$id}\"name=\"{$name}\"value=\"{$value}\"/>";
$text[$i].="<labelfor=\"{$id}\">{$value}</label>";
$i++;
}
$label=$this->form_label($label_name,$label_for);
$form_item=$this->form_item($label,$text);
return$form_item;
}
//下拉菜单函数
functionform_select($id,$name,$options=array(),$selected=false,$label_name,$label_for,$onchange=""){
if($onchange!==""){
$text="<selectid=\"{$id}\"name=\"{$name}\"onchang=\"{$onchange}\">\n";
}
else{
$text="<selectid=\"{$id}\"name=\"{$name}\">\n";
}
foreach($optionsas$value=>$key){
if($selected==$value){
$text.="\t<optionvalute=\"{$value}\"selected=\"selected\">{$key}</option>\n";
}elseif($selected===false){
$text.="\t<optionvalue=\"{$value}\">{$key}</option>\n";
}
}
$text.="</select>";
$label=$this->form_label($label_name,$label_for);
$form_item=$this->form_item($label,$text);
return$form_item;
}
//多选列表函数
functionform_selectmul($id,$name,$size,$options=array(),$label_name,$label_for){
$text="<selectid=\"{$id}\"name=\"{$name}\"size=\"{$size}\"multiple=\"multiple\">\n";
foreach($optionsas$value=>$key){
$text.="\t<optionvalue=\"{$value}\">{$key}</option>\n";
}
$text.="</select>\n";
$label=$this->form_label($label_name,$label_for);
$form_item=$this->form_item($label,$text);
return$form_item;
}
//按钮函数
functionform_button($id,$name,$type,$value,$onclick=""){
$text="<buttonid=\"{$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$form_item;
}
//文本域函数
functionform_textarea($id,$name,$cols,$rows,$label_name,$label_for,$value=""){
$text="<textareaid=\"{$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$form_item;
}
//文字标签函数
functionform_label($text,$for){
if($for!==""){
$label="<labelfor=\"{$for}\">{$text}：</label>";
}else{
$label=$text."：";
}
return$label;
}
functionform_item($form_label,$form_text){
switch($this->layout){
casetrue:
$text="<tr>\n";
$text.="\t<thclass=\"label\">";
$text.=$form_label;
$text.="</th>\n";
$text.="\t<td>";
$text.=$form_text;
$text.="</td>\n";
$text.="</tr>\n";
break;
casefalse:
$text=$form_label;
$text.=$form_text;
break;
}
return$text;
}
functionCreateForm($form_item=array()){
echo$this->form_start();
foreach($form_itemas$item){
echo$item;
}
echo$this->form_end();
}
}
?>
使用示例：
<!DOCTYPEhtmlPUBLIC"-//W3C//DTDXHTML1.0Transitional//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<htmlxmlns="http://www.w3.org/1999/xhtml"xml:lang="zh"lang="zh">
<head>
<metahttp-equiv="Content-Type"content="text/html;charset=gb2312"/>
<linkrel="stylesheet"type="text/css"href="css/styles.css"/>
<title>用户登录</title>
</head>
<body>
<?php
require_once("form.php");
$form=newform($_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);
?>
</body>
</html>
以上所述就是本文的全部内容了，希望大家能够喜欢。