 for(auto &a:obj["infotopimgs"].as_array()){ %>
          <div class="row g-3 mt-1">
                <div class="col-md-2">
                <input type="text" class="form-control"  name="header_title[]" placeholder="头图标题" value="<% echo<<a["header_title"].to_string(); %>">
              </div>
              <div class="col-md-2">
                <input type="text" class="form-control"  name="header_content[]"  placeholder="头图说明" value="<% echo<<a["header_content"].to_string(); %>">
         