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在appDelegate实现文件里面。复写此方法： 保存到本地路径：
#define DEST_PATH_DeviceToken [NSHomeDirectory() stringByAppendingString:@"/Library/Preferences/deviceToken.plist"] - (void)application:(UIApplication *)application didRegisterForRemoteNotificationsWithDeviceToken:(NSData *)deviceToken
{
//NSLog(@"My Token is %@",deviceToken);
//转换成string
NSString* dvsToken =[[deviceToken description] stringByTrimmingCharactersInSet:[NSCharacterSetcharacterSetWithCharactersInString:@"<>"]];
NSLog(@"My dvsToken is %@",dvsToken);
//============保存dvsToken===========================
NSMutableDictionary* dvsTokenDictionary = [NSMutableDictionary dictionary];
[dvsTokenDictionary setObject:dvsToken forKey:@"dvsToken"]; //将dvsToken存入本地
[dvsTokenDictionary writeToFile: DEST_PATH_DeviceToken atomically:YES];
}
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