特点:
小文件大小,查询速度极快
强大的以JavaScript为中心的数据选择引擎
数据库启发的功能,如计数,更新和插入
强大的跨浏览器支持
轻松扩展自己的功能
兼容任何DOM库(jQuery,YUI,Dojo等)
与服务器端JS兼容
TaffyDB 增删改查
//创建并填充数据 var friends = TAFFY([ {"id":1,"gender":"M","first":"John","last":"Smith","city":"Seattle, WA","status":"Active"}, {"id":2,"gender":"F","first":"Kelly","last":"Ruth","city":"Dallas, TX","status":"Active"}, {"id":3,"gender":"M","first":"Jeff","last":"Stevenson","city":"Washington, D.C.","status":"Active"}, {"id":4,"gender":"F","first":"Jennifer","last":"Gill","city":"Seattle, WA","status":"Active"} ]); //查找,注意得到的是一个TaffyDB对象 // Find all the friends in Seattle friends({city:"Seattle, WA"}); // Find John Smith, by ID friends({id:1}); // Find John Smith, by Name friends({first:"John",last:"Smith"}); //得到数据,方法名应该很容易就看懂了吧 // Kelly's record var kelly = friends({id:2}).first(); // Kelly's last name var kellyslastname = kelly.last; // Get an array of record ids var cities = friends().select("id"); // Get an array of distinct cities var cities = friends().distinct("city"); // Apply a function to all the male friends friends({gender:"M"}).each(function (r) { alert(r.name + "!"); }); //更新数据 // Move John Smith to Las Vegas friends({first:"John",last:"Smith"}).update({city:"Las Vegas, NV:"}); //删除数据 // Remove Jennifer Gill as a friend friends({id:4}).remove(); //插入数据 // insert a new friend friends.insert({"id":5,"gender":"F","first":"Jennifer","last":"Gill","city":"Seattle, WA","status":"Active"});