<form class="search-form" action="{WEB_DIR}index.php" method="get">
                        <input type="hidden" name="s" value="api">
                        <input type="hidden" name="c" value="api">
                        <input type="hidden" name="m" value="search">
                        <input type="hidden" name="catid" value="30">
                        <input type="hidden" name="dir" id="dr_search_module_dir" >                                       
                
                <label>
                  
                    <input type="text" class="search-input" name="keyword">
                </label>
                <button type="submit" class="search-btnSubmit" ></button>
                <select    class="search-a">
                   
                                 
                                  {php $top_search=[];}
                              {cache name=module-content}
                              {if $t.search}
                              {php !$top_search && $top_search=$t;}
                              <option onclick="javascript:dr_search_module_select('{$t.dirname}', '{$t.name}');">{$t.name} </option>
                                     
                                      {/if}
                              {/cache}
                              </select>
                <button type="reset" class="search-btnClear" style="right: 255px;"></button>
                <script>
                    // 这段js是用来执行搜索的
                    function dr_search_module_select(dir, name) {
                        $("#dr_search_module_dir").val(dir);
                        $("#dr_search_module_name").html(name+' <i class="fa fa-angle-down"></i>');
                    }
                    dr_search_module_select('{php echo MOD_DIR ? MOD_DIR : $top_search.dirname}', '{php echo MOD_DIR ? MODULE_NAME : $top_search.name}');
                </script>
            </form>