[iOS]如何在iOS开发中切换显示语言实现国际化
1.在Project设置,添加中英两种语言:
2.新建Localizable.strings文件,作为多语言对应的词典,存储多种语言,点击右侧Localization,勾选中英:
3.添加一个字段,
在English中,添加:"SUBMIT_BTN_TITLE" = "Go";
在Chinese中,添加:"SUBMIT_BTN_TITLE" = "开始";
// // GDLocalizableController.h // guide-book // // Created by why on 7/16/14. // Copyright (c) 2014 why. All rights reserved. // #import <Foundation/Foundation.h> @interface GDLocalizableController : NSObject +(NSBundle *)bundle;//获取当前资源文件 +(void)initUserLanguage;//初始化语言文件 +(NSString *)userLanguage;//获取应用当前语言 +(void)setUserlanguage:(NSString *)language;//设置当前语言 @end // // GDLocalizableController.m // guide-book // // Created by why on 7/16/14. // Copyright (c) 2014 why. All rights reserved. // #import "GDLocalizableController.h" @implementation GDLocalizableController static NSBundle *bundle = nil; + ( NSBundle * )bundle{ return bundle; } +(void)initUserLanguage{ NSUserDefaults *def = [NSUserDefaults standardUserDefaults]; NSString *string = [def valueForKey:@"userLanguage"]; if(string.length == 0){ //获取系统当前语言版本 NSArray* languages = [def objectForKey:@"AppleLanguages"]; NSString *current = [languages objectAtIndex:0]; string = current; [def setValue:current forKey:@"userLanguage"]; [def synchronize];//持久化,不加的话不会保存 } //获取文件路径 NSString *path = [[NSBundle mainBundle] pathForResource:string ofType:@"lproj"]; bundle = [NSBundle bundleWithPath:path];//生成bundle } +(NSString *)userLanguage{ NSUserDefaults *def = [NSUserDefaults standardUserDefaults]; NSString *language = [def valueForKey:@"userLanguage"]; return language; } +(void)setUserlanguage:(NSString *)language{ NSUserDefaults *def = [NSUserDefaults standardUserDefaults]; //1.第一步改变bundle的值 NSString *path = [[NSBundle mainBundle] pathForResource:language ofType:@"lproj" ]; bundle = [NSBundle bundleWithPath:path]; //2.持久化 [def setValue:language forKey:@"userLanguage"]; [def synchronize]; } @end
5. 自定义一个宏方便处理:
// ----- 多语言设置 #define CHINESE @"zh-Hans" #define ENGLISH @"en" #define GDLocalizedString(key) [[GDLocalizableController bundle] localizedStringForKey:(key) value:@"" table:nil]
6.使用:
[GDLocalizableController setUserlanguage:CHINESE]; NSLog(GDLocalizedString(@"SUBMIT_BTN_TITLE")); [GDLocalizableController setUserlanguage:ENGLISH]; NSLog(GDLocalizedString(@"SUBMIT_BTN_TITLE"));
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