1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
//! [0]
QLocale egyptian(QLocale::Arabic, QLocale::Egypt);
QString s1 = egyptian.toString(1.571429E+07, 'e');
QString s2 = egyptian.toString(10);
double d = egyptian.toDouble(s1);
int i = egyptian.toInt(s2);
//! [0]
//! [1]
bool ok;
double d;
QLocale::setDefault(QLocale::C); // uses '.' as a decimal point
QLocale cLocale; // default-constructed C locale
d = cLocale.toDouble("1234,56", &ok); // ok == false, d == 0
d = cLocale.toDouble("1234.56", &ok); // ok == true, d == 1234.56
QLocale::setDefault(QLocale::German); // uses ',' as a decimal point
QLocale german; // default-constructed German locale
d = german.toDouble("1234,56", &ok); // ok == true, d == 1234.56
d = german.toDouble("1234.56", &ok); // ok == false, d == 0
QLocale::setDefault(QLocale::English);
// Default locale now uses ',' as a group separator.
QString str = QString("%1 %L2 %L3").arg(12345).arg(12345).arg(12345, 0, 16);
// str == "12345 12,345 3039"
//! [1]
//! [2]
QLocale korean("ko");
QLocale swiss("de_CH");
//! [2]
//! [3]
bool ok;
double d;
QLocale c(QLocale::C);
d = c.toDouble("1234.56", &ok); // ok == true, d == 1234.56
d = c.toDouble("1,234.56", &ok); // ok == true, d == 1234.56
d = c.toDouble("1234,56", &ok); // ok == false, d == 0
QLocale german(QLocale::German);
d = german.toDouble("1234,56", &ok); // ok == true, d == 1234.56
d = german.toDouble("1.234,56", &ok); // ok == true, d == 1234.56
d = german.toDouble("1234.56", &ok); // ok == false, d == 0
d = german.toDouble("1.234", &ok); // ok == true, d == 1234.0
//! [3]
//! [3-qstringview]
bool ok;
double d;
QLocale c(QLocale::C);
d = c.toDouble(u"1234.56", &ok); // ok == true, d == 1234.56
d = c.toDouble(u"1,234.56", &ok); // ok == true, d == 1234.56
d = c.toDouble(u"1234,56", &ok); // ok == false, d == 0
QLocale german(QLocale::German);
d = german.toDouble(u"1234,56", &ok); // ok == true, d == 1234.56
d = german.toDouble(u"1.234,56", &ok); // ok == true, d == 1234.56
d = german.toDouble(u"1234.56", &ok); // ok == false, d == 0
d = german.toDouble(u"1.234", &ok); // ok == true, d == 1234.0
//! [3-qstringview]
|
