实例如下:
<!doctype html> <html> <head> <meta charset="utf-8"> <title>database example</title> <script type="text/javascript" charset="utf-8" src="cordova.js"></script> <script type="text/javascript" charset="utf-8"> document.addeventlistener("deviceready", ondeviceready, false); function ondeviceready() { var db=window.opendatabase("test","1.0","test",200000); db.transaction(populatedb,errordb,successdb); } //初始化数据库数据 function populatedb(tx){ tx.executesql('drop table if exists test1'); tx.executesql('create table if not exists test1 (id unique,name)'); tx.executesql('insert into test1(id,name) values(1,"tony")'); tx.executesql('insert into test1(id,name) values(2,"bill")'); tx.executesql('insert into test1(id,name) values(3,"tony")'); } //查询方法 function querydb(tx){ tx.executesql('select * from test1',[],querysuccess,errordb); } //查询成功回调 function querysuccess(tx,results){ var len=results.rows.length; var status=document.getelementbyid("status"); var string ="rows:"+len+"<br />"; for(var i=0;i<len;i++){ string+=results.rows.item(i).name+"<br />"; } status.innerhtml=string; } //执行初始化数据成功后的回调 function successdb(){ var db=window.opendatabase("test","1.0","test",200000); db.transaction(querydb,errordb); } //失败回调 function errordb(err){ alert('error processing sql:'+err.code); } </script> </head> <body> <h1>names</h1> <div id='status'></div> </body> </html>
以上这篇使用phonegap操作数据库的实现方法就是小编分享给大家的全部内容了,希望能给大家一个参考,也希望大家多多支持。