GoogleAJAX搜索API实现代码_javascript技巧

结果为空时显示内容
options.setNoResultsString('查询结果为空！');

//搜索控件实例化
var searchControl = new google.search.SearchControl();
//每次显示8个搜索结果（取值范围：1-8）
searchControl.setResultSetSize(8);

//网页搜索
var siteCnblogs = new google.search.WebSearch();
//标头
siteCnblogs.setUserDefinedLabel("脚本之家");
//样式后缀名
siteCnblogs.setUserDefinedClassSuffix("jb51");
//站点限制
siteCnblogs.setSiteRestriction("jb51.net");
searchControl.addSearcher(siteCnblogs, options);

//局部搜索
var siteZjfree = new google.search.WebSearch();
siteZjfree.setUserDefinedLabel("素材搜索");
siteZjfree.setSiteRestriction("sc.jb51.net");
searchControl.addSearcher(siteZjfree, options);

//全网搜索
searchControl.addSearcher(new google.search.WebSearch(), options);

//添加博客搜索
searchControl.addSearcher(new google.search.BlogSearch(), options);

//添加视频搜索
searchControl.addSearcher(new google.search.VideoSearch(), options);

//添加新闻搜索
searchControl.addSearcher(new google.search.NewsSearch(), options);

//添加图片搜索
searchControl.addSearcher(new google.search.ImageSearch(), options);

//添加本地地图搜索
var localSearch = new google.search.LocalSearch();
//地图中心标记 测试时可使用“大雁塔”
localSearch.setCenterPoint("西安,钟楼");
searchControl.addSearcher(localSearch, options);

//绘制搜索
var drawOptions = new google.search.DrawOptions();
drawOptions.setDrawMode(google.search.SearchControl.DRAW_MODE_TABBED);
searchControl.draw(document.getElementById("searchcontrol"), drawOptions);

//执行搜索查询
searchControl.execute("google api");
}

//框架加载完成后调用
google.setOnLoadCallback(OnLoad);