从xx.json文件中读取JSON数据，写入到xx.plist文件中，实现代码如下：
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NSString *path = @"/Users/android_ls/Desktop/city_province.json";
NSArray *array = [NSJSONSerialization JSONObjectWithData:[NSData dataWithContentsOfFile:path] options:NSJSONReadingMutableLeaves error:nil];
[array writeToFile:@"/Users/android_ls/Desktop/city_province.plist" atomically:YES];
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注：上面的代码片段必须在模拟器上运行
若将上面的代码片段改为如下：
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NSString *path = [[NSBundle mainBundle] pathForResource:@"city_province.json" ofType:nil];
MyLog(@"path = %@",path);
NSArray *array = [NSJSONSerialization JSONObjectWithData:[NSData dataWithContentsOfFile:path] options:NSJSONReadingMutableLeaves error:nil];
NSString *newPath = [NSString stringWithFormat:@"%@%@",[[NSBundle mainBundle] bundlePath],@"/city_province.plist" ];
MyLog(@"newPath = %@", newPath);
[array writeToFile:newPath atomically:YES];
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注：在测试前已将city_province.json文件copy到Supporting Files目录下
放在模拟器上测试，打印LOG如下：
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2014-10-15 22:38:03.224 YWBAPP[11578:60b] path = /Users/android_ls/Library/Application Support/iPhone Simulator/7.1/Applications/0909D47B-A2B6-467D-9E19-396A73383D8A/YWBAPP.app/city_province.json
2014-10-15 22:38:03.225 YWBAPP[11578:60b] newPath = /Users/android_ls/Library/Application Support/iPhone Simulator/7.1/Applications/0909D47B-A2B6-467D-9E19-396A73383D8A/YWBAPP.app/city_province.plist
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放在真机上测试，打印LOG如下：
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2014-10-15 22:40:59.796 YWBAPP[3127:60b] path = /var/mobile/Applications/4DAB17CC-F307-4D1B-B78D-80E9B5B4343F/YWBAPP.app/city_province.json
2014-10-15 22:40:59.805 YWBAPP[3127:60b] newPath = /var/mobile/Applications/4DAB17CC-F307-4D1B-B78D-80E9B5B4343F/YWBAPP.app/city_province.plist
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路径是对的，但是在相应的目录下是找不到文件的。
感谢阅读，希望能帮助到大家，谢谢大家对本站的支持！
原文链接：http://blog.csdn.net/android_ls/article/details/40121525