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张恩明html5 Web SQL DB sample code

2013-10-12 11:31 106 查看
<!DOCTYPE HTML>

<html>

<head>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8">

<title>html5-dataBase</title>

</head>

<body>

<script type="text/javascript">

var db = window.openDatabase("mydata", "1.0","数据库描述",20000);

//window.openDatabase("数据库名字", "版本","数据库描述",数据库大小);

if(db)

alert("新建数据库成功!");

db.transaction(function(tx) {

tx.executeSql("CREATE TABLE test (id int UNIQUE, mytitle TEXT, timestamp REAL)");

});

db.transaction(function(tx) {

tx.executeSql("INSERT INTO test (mytitle, timestamp) values(?, ?)", ["WEB Database", new Date().getTime()], null, null);

});

//db.transaction(function(tx) {

// tx.executeSql("DROP TABLE qqs");

//})

//db.transaction(function(tx) {

// tx.executeSql("update test set mytitle=? where mytitle = 'fsafdsaf'",['xp'],null,null);

//});

db.transaction(function(tx) {

tx.executeSql("SELECT * FROM test", [],

function(tx, result) {

for(var i = 0; i < result.rows.length; i++){

document.write('<b>' + result.rows.item(i)['mytitle'] + '</b><br />');

}

}, function(){

alert("error");

});

});

</script>

</body>

</html>
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