Source Code

版本：
  • 0.3 beta

更新記錄：
  • 2011.9.21 - 基本隨機菜單功能。
  • 2011.9.22 - 加入飲料分類，解除分類項目限制。
  • 2011.9.23 - 變更分類排序提升效率。
  • 2011.9.24 - 開放原始碼、加入Google Map功能。
資料程式
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<script type="text/javascript">
//試算表Jsonp資料
var spreadsheets = "https://spreadsheets.google.com/feeds/list/0AsHdyDgIiLuHdDlHNzN4WS1RNy1NdmVCLWEzQjgyZ3c/od6/public/basic?hl=zh_TW";
//試算表編輯連結
document.getElementById('editmenu').href="https://docs.google.com/spreadsheet/ccc?key=0AsHdyDgIiLuHdDlHNzN4WS1RNy1NdmVCLWEzQjgyZ3c&hl=zh_TW";
</script>
核心程式：
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<script src="http://maps.google.com/maps?file=api&v=2&key=ABQIAAAAKkwXcNnNNu5jn0_cfHg8bBTjyUjLsXKCut9D87oDOn6GomoIgxQRd6eVYzcQ5s3v5LCW4a0U9uhWfw" type="text/javascript"></script>
<script type="text/javascript">
//Google地圖搜索
function googlemap(address) {
if (GBrowserIsCompatible()) {
var map = new GMap2(document.getElementById("map"));
map.addControl(new GSmallMapControl());
map.addControl(new GMapTypeControl());
var center = new GLatLng();
geocoder = new GClientGeocoder();
var marker = new GMarker(center, {draggable: true});
map.addOverlay(marker);
if (geocoder) {
geocoder.getLatLng(
address,
function(center) {
if (!center) {
alert(address + "not found");
} else {
map.clearOverlays()
map.setCenter(center, 16);
var marker = new GMarker(center, {draggable: true});
map.addOverlay(marker);
}
}
);
}
}
}
//美食搜索
function food(json) {
var menu = json.feed.entry;
var urlformat = /^(https?:\/\/)[a-zA-Z0-9_\-.:#/~}?]+$/;
var longbreak = 0;
var item = "";
var p1 = 0;
var p2 = 0;
var other = '';
var timestep = document.getElementsByName('timestep');
//取得時段
for(var i=0;i<timestep.length;i++)
if(timestep[i].checked)
var step = timestep[i].value;
//搜尋迴圈
while(longbreak<menu.length*10) {
var r = Math.round(Math.random()*(json.feed.entry.length-1));
var title = menu[r].title.$t; //時段類別字串
//時段比對
if(title.indexOf(step)!=-1)
break;
longbreak++;
}
var content = menu[r].content.$t; //其它字串
for(var i=0;i<10;i++) {
p2 = content.indexOf(", ",p1);
if(p2!=-1)
item = content.substring(p1, p2); //各段資料
else
item = content.substring(p1, content.length); //尾段資料
var i_title = item.substring(0, item.indexOf(": "));
var i_content = item.substring(item.indexOf(": ")+2, item.length);
if(urlformat.test(i_content)) //超連結轉換
i_content = "<a target=\"_blank\" href=\"" + i_content + "\">" + i_content + "</a>";
if(i_title == "店家地址") {
var address = i_content;
i_content = i_content + "<br /><div align=\"center\" id=\"map\" style=\"width: 300px; height: 200px\"></div>";
}
other += i_title + "：" + i_content + "<br />"; //資料合併
p1 = p2 + 2;
if(p2==-1)
break;
}
document.getElementById("showmenu").innerHTML = other;
googlemap(address);
}
//取得資料
function getFood() {
var removeScript = document.getElementById('jsonScript');
if(removeScript) //移除舊腳本
removeScript.parentNode.removeChild(removeScript);
var script = document.createElement('script'); //建立新腳本
script.type = 'text/javascript';
script.id = 'jsonScript';
script.src = spreadsheets + "&alt=json-in-script&callback=food";
document.getElementsByTagName('head')[0].appendChild(script);
document.getElementById("showmenu").innerHTML = '<img src=\"https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgsrxjxX_5DoCeF_sNvwVWGS3H5aiOZtwQyyvcAgo1UzI9LpcPeZa9oaHVCCru_brzCcOeGhgpDe8aGNTQ-lZCV4_X9FMd5dgrjMp8ByCCGHZTVzLcIGUHQDbWYm_8UDhzPYzhw6us4zGUx/\" />';
}
</script>
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