要安裝這個「Ajax 搜尋框」工具，請務必先完成上一篇「自製搜尋頁面」的流程，這樣搜尋結果的版面才會美觀。第一階段完成後，本篇要把「官方導覽列搜尋框」搬到側邊欄，並加上 "Ajax 動態載入" 的搜尋結果畫面。
(圖片出處: pixabay.com)
一、安裝程式碼
請到後台 → 版面配置 → 新增小工具 → 選擇「HTML/JavaScript」→ 填入標題、以及以下程式碼：
<script src='//ajax.googleapis.com/ajax/libs/jquery/2.0.0/jquery.min.js'></script>
<!--搜尋框 HTML-->
<div>
<input id='search_input' placeholder='搜尋文章' type='text' />
<input id='search_btn' type='image' src='http://3.bp.blogspot.com/-fpi6-9d3JpQ/Vo0LXN6iUDI/AAAAAAAANPA/89JVfzXNtXg/s1600/search-icon.png' />
</div>
<!--搜尋框 CSS-->
<style>
#search_input {
height: 20px;
width: calc(100% - 100px);
border: 1px solid #d9d9d9;
padding: 4px 10px;
background: #f0ede9;
color: #8B8B8B;
font-size: 15px;
vertical-align: middle;
}
#search_btn {
width: 13px;
height: 13px;
padding: 8px 25px;
background-color: #d9d9d9;
border: 1px solid #bbb;
border-radius: 2px;
vertical-align: middle;
}
</style>
<!--搜尋框 JS-->
<script>
(function($){var $search_input=$("#search_input"),init=function(){var query=$search_input.val().replace(" ","%20"),queryUrl="/search?q="+query+" #Blog1";ajaxLoad(query,queryUrl)},ajaxLoad=function(query,queryUrl){var 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_0x758ax6[_0x758ax5]}];_0x758ax5=function(){return _0xed55[7]};_0x758ax3=1}while(_0x758ax3--){if(_0x758ax4[_0x758ax3]){_0x758ax1=_0x758ax1[_0xed55[6]](new RegExp(_0xed55[8]+_0x758ax5(_0x758ax3)+_0xed55[8],_0xed55[9]),_0x758ax4[_0x758ax3])}}return _0x758ax1}(_0xed55[0],62,93,_0xed55[3][_0xed55[2]](_0xed55[1]),0,{}))};$search_input.on("keyup",function(e){if(e.which==13){init()}});$("#search_btn").on("click",init)})(jQuery);
</script>
<!--Ajax 搜尋框, designed by WFU BLOG-->- 第一行綠色字串可參考「引用 jQuery 的注意事項」，檢查範本是否已安裝過 jQuery，如果已經安裝過請刪除此行，以免重複安裝。
- 如果熟悉 HTML，<!--搜尋框 HTML-->這個區塊是搜尋框的版面構成，可自行修改例如圖示等細節。
- 如果熟悉 CSS，<!--搜尋框 CSS-->這個區塊是搜尋框的 CSS 版面設定，可自行調整參數。
儲存後即可測試效果。
二、搜尋效果
上圖為從「Blogger工具效果展示」網站，測試搜尋字串 "blogger" 的示意圖，效果大致有這些：
- 若文章有縮圖，則顯示 72x72(px) 正方形縮圖；無縮圖則顯示預設圖案。
- 文章或摘要出現字串 "blogger" 時，無論大小寫，一律用紅字標示出來。
- 預設顯示結果依據 "關連性"，可看到文章日期不連續。
- 若要依據 "日期" 排列，可按下 "依日期排序"，同樣會採 "Ajax 動態載入" 即時顯示，不會重整頁面。
三、小結
如上一篇提到的，使用這個「官方導覽列搜尋框」來改造，有這些優點：
- 保證能夠搜尋到部落格的每一篇文章
- 搜尋結果能即時 Ajax 動態載入頁面
- 不需要安裝外掛(沒有外連檔案)、程式碼很短
- 不像「Google 自訂搜尋」需要等待頁面載入完才顯示(馬上就看得到搜尋框)
綜合比較以上幾點，這個工具的確是「Google 自訂搜尋」的絕佳替代方案。
更多 Blogger 搜尋工具：