首先，设置单选二单选按钮，并给出一个相关名称，如“cf\\u current\\u list”，如果是，请设置保存按钮，然后在函数中设置代码。php文件

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if(isset($_REQUEST[\'buuton_nm\'])){
   if ( get_option( cf_current_list ) !== false ) {

     // The option already exists, so we just update it.
    update_option( cf_current_list, $_REQUEST[\'radio_btn_nm\'] );

 } else {

          // The option hasn\'t been added yet. We\'ll add it with $autoload set to \'no\'.
     $deprecated = null;
      $autoload = \'no\';
      add_option( cf_current_list, $_REQUEST[\'radio_btn_nm\'], $deprecated, $autoload );
  } 
}