Разработка Web-приложений для iPhone
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function succsessHandler(transaction, results)
{
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return;
}
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>%?7'&% BOOKS |
ISBN |
Title |
Price |
Authors |
|
|
|
|
5-93286-045-6 |
'0B&$+")-1? |
200 |
Q&@.0), !&)+-1 |
|
|
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|
< +&*.-C0 BOOKS #"30)/&+#4 #%0301-4 " 1&(%&1-- $1-?- (Title), 00 C010 () - &%+")&>
(Authors).
>%?7'&% TEXTBOOK
21
ISBN HTMLText
5-93286-045-6 <h1>'0B&$+")-1?</h1>
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CREATE TABLE IF NOT EXISTS Books ( ISBN TEXT PRIMARY KEY,
Title TEXT,
Price REAL, Authors TEXT);
P&*.-C& TEXTBOOK #"(3&0+#4 +&$:
CREATE TABLE IF NOT EXISTS TextBook ( ISBN TEXT PRIMARY KEY,
HTMLText BLOB);
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/*! B-&("2345 3"7$0>' */ function createTables(db)
22
{
/* : ;3-# <"430 1',-$)52345 (+# 43105 */
db.transaction(
function (transaction) {
//C(+4@ ?-/)- ,04"3@ Javascript 8-( transaction.executeSql(
'CREATE TABLE IF NOT EXISTS Books'+
'(ISBN TEXT PRIMARY KEY,Title TEXT,Price REAL,Authors TEXT);', [], nullDataHandler, killTransaction);
//D-?")( SQL ?-/+3 7'3@ )+48-$@8- transaction.executeSql(
'CREATE TABLE IF NOT EXISTS TextBook'+ '(ISBN TEXT PRIMARY KEY,HTMLText BLOB);', [], successHandler, killTransaction);
}
);
}
+'*$'", 2-8. Q@1$C-4 createTables(db)
< $&:0#+%0 B@1$C-2-"*)&*"+:-$"% (&%0)E01-4 SQL $"8&13 -#,".6(@=+#4 nullDataHandler - successHandler ("*0 %7(7%&=+#4 ,)- @#,0E1"8 (&%0)E01-- $"8&13). Q@1$C-4-"*)&*"+:-$ killTransaction )0?-#+)-)@0+ 10@#,0E1"0 %7,".101-0 %#02 +)&1(&$C--.
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Q@1$C-4 dropTables() ,)-%"3-+#4 3.4 ,".1"+7. S1& -#$.=:-+0.61" ,".0(1& ,)- "+.&3$0 ,)-."/01-4, 1" 8"/0+ 1&2+- ,)-80101-0 - % )&*":02 ,)"?)&880. < B@1$C-- %7,".140+#4 03-1#+%011&4 +)&1(&$C-4, $"+")&4 %7,".140+ SQL $"8&137, @3&.4=D-0 +&*.-C@ BOOKS, & (&+08 TEXTBOOK. Q@1$C-4 ,)-%"3-+#4 1& .-#+-1?0 2-9.
function dropTables(){ var db=systemDB;
if(window.confirm(":4+ 3"7$0>' 7"&' ("))'* 7A(A3 A("$+)'!" )){ db.transaction(
function (transaction) { transaction.executeSql('DROP TABLE Books;', [], nullDataHandler, killTransaction); transaction.executeSql('DROP TABLE TextBook;', [], nullDataHandler, killTransaction);
}
); alert("done");
}
else alert("E+#4310+ -3?+)+)-");
}
+'*$'", 2-9. Q@1$C-4 dropTables()
S*)&*"+:-$ 10@3&:1"?" (&%0)E01-4 SQL $"8&13 (killTransaction) %7,".140+ 302#+%-4 +&$-0 /0, $&$ - % ,)0373@D02 B@1$C-- (L-#+-1? 2-8)
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23
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function insertFirstBook(){ document.getElementById("formTitle").value="F"&1")0+"; document.getElementById("formAuthors").value="G13-.'"; document.getElementById("formPrice").value=200; document.getElementById("formBody").value="H+843"; document.getElementById("formISBN").value="ISBN"; addBook(systemDB);
}
+'*$'", 2-10. J&:&.6170 (1&:01-4
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function addBook(db)
{
/* : ;3-# <"430 1',-$)52345 (+#43105 */
db.transaction(
function (transaction) {
//C(+4@ ?-/)- ,04"3@ Javascript 8-( transaction.executeSql(
'INSERT INTO Books (ISBN,Title,Price,Authors) '+ 'values (?,?,?,?);',
[document.getElementById("formISBN").value, document.getElementById("formTitle").value, document.getElementById("formPrice").value,
24
document.getElementById("formAuthors").value ],
nullDataHandler, processFatalErrorAddBook); //D-?")( SQL ?-/+3 7'3@ )+48-$@8-
transaction.executeSql(
'INSERT INTO TextBook (ISBN,HTMLText) values (?,?);', [document.getElementById("formISBN").value,
document.getElementById("formBody").value ],
processAddBook, processFatalErrorAddBook);
}
);
}
+'*$'", 2-11. H"*&%.01-0 $1-?- % *&(@ 3&117>
Q@1$C-4 addBook(db) #"30)/-+ 03-1#+%011@= +)&1(&$C-=, "*R03-14=D@= 3%0 $"8&137 INSERT. M1+0)0# % I+"2 B@1$C-- ,)03#+&%.40+ -#,".6("%&1-0 *."$& ,"3#+&1"%$- (%+")"?" ,&)&80+)& B@1$C--, B")8-)@=D02 +)&1(&$C-=). V1&:01-4, (&,-#&1170 % $&:0#+%0 I.0801+"% 8#-%& ,"#.03"%&+0.61" (&8014=+ (1&$- '?' % #+)"$0, ",)030.4=D02 $"8&13@
INSERT.
6/"9&''-#?4%?#$1'9'
H.4 80+"3"% 0ransaction.executeSql() 10"*>"3-87 B@1$C---"*)&*"+:-$- (&%0)E01-4
$"8&13 SQL. Q@1$C-- processAddBook() - processFatalErrorAddBook() ,"$&(&17 1&
.-#+-1?0 2-12.
function processAddBook(transaction,results){ reportStatus("D)0I" (-7"1$+)"" );
}
function processFatalErrorAddBook(transaction,error){ //."7-3"+3 8"8 killTransaction
reportStatus("69078", 8)0I" 4 3"80? ISBN 4AJ+431A+3." ); return true;
}
+'*$'", 2-12. H"*&%.01-0 $1-?- % *&(@ 3&117>
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F">"/-0 302#+%-4 %7,".14=+#4 ,)- "*1"%.01-- #"30)/-8"?" $1-?-. < B@1$C-- updateBook(db) 3.4 "*1"%.01-4 ,".02 +&*.-C #"(3&1& +)&1(&$C-4, ?)@,,-)@=D&4 :0+7)0 $"8&137. H%0 $"8&137 (DELETE) @3&.4=+ ,)0373@D@= (&,-#6, & 3%0 3)@?-0 $"8&137 (INSERT) 3"*&%.4=+ % +&*.-C@ 1"%70 ("+)03&$+-)"%&1170) (1&:01-4. L-#+-1? 2-13 ,"$&(7%&0+ I+- 302#+%-4.
function updateBook(db)
{
25
/* : ;3-# <"430 1',-$)52345 (+#43105 */
db.transaction(
function (transaction) {
//C(+4@ ?-/)- ,04"3@ Javascript 8-( transaction.executeSql(
'DELETE FROM Books WHERE ISBN=?;', [document.getElementById("formISBN").value], nullDataHandler, killTransaction);
transaction.executeSql(
'DELETE FROM TextBook WHERE ISBN=?;', [document.getElementById("formISBN").value], nullDataHandler, killTransaction);
transaction.executeSql(
'INSERT INTO Books (ISBN,Title,Price,Authors) '+ ' values (?,?,?,?);', [document.getElementById("formISBN").value, document.getElementById("formTitle").value, document.getElementById("formPrice").value, document.getElementById("formAuthors").value
],
nullDataHandler, killTransaction); transaction.executeSql(
'INSERT INTO TextBook (ISBN,HTMLText) values (?,?);', [document.getElementById("formISBN").value, document.getElementById("formBody").value
],
processUpdateBook, killTransaction);
}
);
}
+'*$'", 2-13. S*1"%.01-0 (&,-#02
6/"9&''-#?4%?#$1'9'
S*)&*"+:-$ @#,0E1"?" (&%0)E01-4 "*1"%.01-4 (&,-#02 %7?.43-+ +&$ (L-#+-1? 2-14):
function processUpdateBook(transaction,results){ reportStatus("D)0I" -7)-1$+)"" ); selectISBNs(systemDB);
}
+'*$'", 2-14. S*)&*"+$& @#,0E1"?" "*1"%.01-4
H)@?-0 B@1$C---"*)&*"+:-$- (nullDataHandler - killTransaction) *7.- %%03017 )&100.
2.13. G(4"%5. /.##(;
< ,)-80)&>, ,)-%030117> %7E0, -#,".6("%&."#6 "*)&D01-0 $ B@1$C-- (selectISBNs()), (&,)&E-%&=D02 -1B")8&C-= " $1-?&> -( UH. K+& B@1$C-4 %7?.43-+ +&$ (L-#+-1? 2-15):
function selectISBNs(db)
{
26
/* : ;3-# <"430 1'70."2345 ("))'+ 0& 3"7$0>' BOOKS*/
db.transaction(
function (transaction) {
//C(+4@ ?-/)- ,04"3@ Javascript 8-( transaction.executeSql(
'SELECT ISBN,Title FROM Books', [], processSelectISBNs, killTransaction);
}
);
}
+'*$'", 2-15. <7*")$& 3&117>
K+& B@1$C-4 %"(%)&D&0+ -( *&(7 (&,-#- " %#0> #@D0#+%@=D-> % UH $1-?&>.
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Q@1$C-4-"*)&*"+:-$ @#,0E1"?" (&%0)E01-4 %7*")$- -( *&(7 ,"$&(&1& 1-/0 (L-#+-1? 2-16). J&,"81-8, I+& B@1$C-4 -800+ ,&)&80+) results, $"+")72 #"30)/-+ %#0 #+)"$-, %"(%)&D01170
SQL ",0)&+")"8 'SELECT ISBN,Title FROM Books' (#8. L-#+-1? 2-15).
function processSelectISBNs(transaction,results){ var len=results.rows.length;
var slctr=document.getElementById('bookISBNSelect'); slctr.length=len;
for(var i=0;i<len;i++){ slctr.options[i].value=results.rows.item(i)["ISBN"]; slctr.options[i].text=results.rows.item(i)['Title'];
}
//S+"*)&(-+6 -1B")8&C-= " %7,".1011"2 ",0)&C-- reportStatus("B+$+83-.' 8)0I A43")-1$+)'" ); setBookInfo(bookIndex);
}
+'*$'", 2-16. S*)&*"+$& @#,0E1"?" (&%0)E01-4
F)-%03011&4 B@1$C-4 )&*"+&0+ # I.0801+"8 select, %#+)"01178 % HTML #+)&1-C@. K+"+ I.0801+ -800+ -800+ &+)-*@+
id='bookISBNSelect'
S,0)&+")7
var slctr=document.getElementById('bookISBNSelect'); slctr.length=len;
for(var i=0;i<len;i++){ slctr.options[i].value=results.rows.item(i)["ISBN"]; slctr.options[i].text=results.rows.item(i)['Title'];
}
@#+&1&%.-%&=+ (1&:01-4 (value) - ,"4#14=D-> +0$#+"% (text) I.0801+"% options. F)0/30, :08 I+- 302#+%-4 %7,".1-+6, @#+&1&%.-%&0+#4 :-#." %"(%)&D0117> (&,-#02
var len=results.rows.length;
V30#6 rows – 8#-% "*R0$+"%-#+)"$, "*R0$+& results. H&.00 % C-$.0 for @#+&1&%.-%&=+#4 (1&:01-4 options. F"#.0 I+"?" 302#+%-4 I.0801+ select, *@30+ #"30)/&+6 % ,".4> %7*")& %#0
27
1&-801"%&1-4 $1-?.
V&,-#- %-3& results.rows.item(i)["ISBN"], results.rows.item(i)['Title'] "(1&:&=+
«,".0 ISBN i-2 c+)"$- %"(%)&D011"?" 1&*")& #+)"$» - «,".0 Title i-2 c+)"$- %"(%)&D011"?" 1&*")& #+)"$» #""+%0+#+%011".
Q@1$C-4 setBookInfo(bookIndex) @#+&1&%.-%&0+ (1&:01-4 +0$#+"%7> ,".02 - "*.+02 1& HTML #+)&1-C0. H02#+%-0 I+"2 B@1$C-- (30#6 10 ,"$&(&1"
2.14. G"+%",( 5"/0%"*50 $)5,$"*
< ,)-."/01-4>, -#,".6(@=D-> UH, @#+&1"%-+0 $"3-)"%$@ utf-8. A801-+0 $"3-)"%$@ #+)&1-C7 #.03@=D-8 "*)&("8
<meta http-equiv="content-type" content="text/html;charset=utf-8" /> <title>test</title>
<script type="text/javascript" src=". . ." encode ="utf-8"></script>
<script type="text/javascript" src=". . ." encode ="utf-8"></script>
O&*."1 HTML #+)&1-C7 3"./01 %7?.430+6 +&$ (L-#+-1? 2-17)
<html> <head>
<meta http-equiv="content-type" content="text/html;charset=utf-8" />
<title>test</title>
<script type='text/javascript' src='../javascript/main.js' encode ="utf-8"> </script>
<script type='text/javascript' src='../javascript/dbSQLStore.js' encode ="utf-8"> </script>
</head>
<body onload='initDB()'> <h1>Database Examples</h1>
How to open or create Database </body>
</html>
+'*$'", 2-17. O&*."1 # @#+&1"%.011"2 $"3-)"%$"2 utf-8
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28
)'*. 2-5. A&2+ - ."?"+-, ,)"0$+& WEB Kit
D4#*:#$4 $%?7'& 1.4.2 ?4%/2.4
N#.- (&,@#+-+6 )&()&*&+7%&08"0 ,)-."/01-0 :0)0( WEBKit, +" -#,".6(@08&4 ,)-."/01-08 *&(& 3&117> *@30+ #"(3&1& - 00 #"30)/-8"0 8"/1" *@30+ ,)"#8&+)-%&+6 ()-# 2-6)
)'* 2-6. F)"#8"+) +&*.-C7 Books
WEBKit "+$)7%&0+ 3.4 )&*"+7 # WEB 3"$@801+&8- A&B&)-. 5+"*7 ,".@:-+6 3"#+@, $ $"1#".- 1@/1" %"#,".6("%&+6#4 801= Develop - %7*)&+6 ,@1$+ Develop>Error Console.
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29
$"8&13@ % .0%"8 "$10 $"1#".- 8"1-+")& *&(7 3&117> ()'*. 2-7).
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function deleteBook(db)
{
/* : ;3-# <"430 1',-$)52345 (+#43105 */
db.transaction(
function (transaction) {
//C(+4@ ?-/)- ,04"3@ Javascript 8-( transaction.executeSql(
'DELETE FROM Books WHERE ISBN=?;', [document.getElementById("formISBN").value], nullDataHandler, killTransaction);
transaction.executeSql(
'DELETE FROM TextBook WHERE ISBN=?;', [document.getElementById("formISBN").value], processDeleteBook, killTransaction);
}
30