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PHP自动生成表单的Form类

时间：2021-07-01 10:21:17 帮助过：62人阅读

\n\t\n\n";
  • }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="\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="";
  • }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();
  • }
  • }
  • ?>
    11. 用户登录
    18. require_once("form.php");
    20. $form=new form($_SERVER['PHP_SELF']); //提交到本页
    22. $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
    24. $name=$form->form_text("userid","userid","用户名","userid");
    26. $passwd=$form->form_passwd("passwd","passwd","密码","passwd");
    28. $submit=$form->form_button("","submit","submit","登录");
    30. $form_item=array($name,$passwd,$submit);
    32. $form->CreateForm($form_item);
    34. ?>

    2. //Form.php
    4. class form {
    6. var $layout=true;//是否使用表格布局
    8. var $action;//表单要提交到的URL
    10. var $method;
    12. var $enctype="";
    14. var $name="";
    16. var $id="";
    18. var $class="";
    21. function form($action,$method="POST"){ //通过构造函数初始化成员变量
    23. $this->action=$action;
    25. $this->method=$method;
    27. }
    30. function form_start(){
    32. $text="\n";
    34. }else {
    36. $text="\n";
    38. }
    40. return $text;
    42. }
    44. //文本框函数
    46. function form_text($name,$id,$label_name,$label_for,$value=""){
    48. $text="
    49. $text.="id=\"{$id}\" ";
    51. if(isset($value)){
    53. $text.="value=\"{$value}\" ";
    55. }
    57. $text.="/>\n";
    59. $label=$this->form_label($label_name,$label_for);
    61. $form_item=$this->form_item($label,$text);
    63. return $form_item;
    65. }
    67. //密码框函数
    69. function form_passwd($name,$id,$label_name,$label_for,$value=""){
    71. $text="
    72. $text.="id=\"{$id}\" ";
    74. if(isset($value)){
    76. $text.="value=\"{$value}\" ";
    78. }
    80. $text.="/>\n";
    82. $label=$this->form_label($label_name,$label_for);
    84. $form_item=$this->form_item($label,$text);
    86. return $form_item;
    88. }
    90. //隐藏域函数
    92. function form_hidden($name,$id,$label_name,$label_for,$value=""){
    94. $text="
    95. if(isset($value)){
    97. $text.="value=\"{$value}\" ";
    99. }
    101. $text.="/>\n";
    103. $label=$this->form_label($label_name,$label_for);
    105. $form_item=$this->form_item($label,$text);
    107. return $form_item;
    109. }
    111. //文件域函数
    113. function form_file($name,$id,$label_name,$label_for,$size=""){
    115. $text="
    116. $text.="id=\"{$id}\" ";
    118. if(isset($size)){
    120. $text.="size=\"{$size}\" ";
    122. }
    124. $text.="/>\n";
    126. $label=$this->form_label($label_name,$label_for);
    128. $form_item=$this->form_item($label,$text);
    130. return $form_item;
    132. }
    134. //复选框函数
    136. function form_checkbox($name,$label=array(),$label_name,$label_for=""){
    138. $i=0;
    140. $text=array();
    142. foreach ($label as $id=>$value){
    144. $text[$i]="";
    146. $text[$i].="";
    148. $i++;
    150. }
    152. $label=$this->form_label($label_name,$label_for);
    154. $form_item=$this->form_item($label,$text);
    156. return $form_item;
    158. }
    160. //单选框函数
    162. function form_radio($name,$label=array(),$label_name,$label_for=""){
    164. $i=0;
    166. $text=array();
    168. foreach ($label as $id=>$value){
    170. $text[$i]="";
    172. $text[$i].="";
    174. $i++;
    176. }
    178. $label=$this->form_label($label_name,$label_for);
    180. $form_item=$this->form_item($label,$text);
    182. return $form_item;
    184. }
    186. //下拉菜单函数
    188. function form_select($id,$name,$options=array(),$selected=false,$label_name,$label_for,$onchange=""){
    190. if($onchange!==""){
    192. $text="\n";
    194. }
    196. foreach ($options as $value=>$key){
    198. if($selected==$value){
    200. $text.="\t\n";
    202. }elseif ($selected===false) {
    203. $text.="\t\n";
    205. }
    207. }
    209. $text.="";
    211. $label=$this->form_label($label_name,$label_for);
    213. $form_item=$this->form_item($label,$text);
    215. return $form_item;
    217. }
    219. //多选列表函数
    221. function form_selectmul($id,$name,$size,$options=array(),$label_name,$label_for){
    223. $text="\n";
    225. $label=$this->form_label($label_name,$label_for);
    227. $form_item=$this->form_item($label,$text);
    229. return $form_item;
    231. }
    233. //按钮函数
    235. function form_button($id,$name,$type,$value,$onclick=""){
    237. $text="\n";
    239. if($this->layout==true){
    241. $form_item="
    {$text}
    ";
  • $text.=$form_label;
  • $text.="
    		• ";
  • $text.=$form_text;
  • $text.="
    • 自动生成, PHP, Form

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