<!DOCTYPE HTML PUBLIC
"-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd"
>
<
html
>
<
head
>
<
meta
http-equiv=
"Content-Type"
content=
"text/html; charset=utf-8"
>
<
title
>数据库的版本更新
</
title
>
<
script
>
function
VersionUpDate(){
var
dbName=
"indexDBtest";
var
version=
2;
var
idb;
var
dbConnect=
indexDBtest.
open(
dbName,
version);
dbConnect.
onsuccess=
function(
e){
idb=
e.
target.
result;
alert(
"数据库链接成功！");
}
dbConnect.
onerror=
function(){
alert(
"数据库链接失败！");
}
dbConnect.
onupgradeneeded=
function(
e){
idb=
e.
target.
result;
var
tx=
e.
target.
transation;
var
oldVersion=
e.
oldVersion;
var
newVersion=
e.
newVersion;
alert(
"数据库更新成功"+
oldVersion+
"----"+
newVersion);
}
}
</
script
>
</
head
>
<
body
>
<
input
type=
"button"
value=
"数据库更新"
onclick=
"VersionUpDate();"
>
</
body
>
</
html
>