xcode objcet c 函数定义和使用

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操作系统：mac os 10.8 64

语言：objcect c

开发环境：Xcode4.6

功能：函数定义和使用

- (BOOL)sendEmailTo:(NSString *)paramTo withSubject:(NSString *)paramSubject andEmailMessage:(NSString *)paramEmailMessage;

- (BOOL)sendEmailTo:(NSString *)paramTo withSubject:(NSString *)paramSubject andEmailMessage:(NSString *)paramEmailMessage{    if(paramTo.length == 0 ||       paramSubject.length == 0 ||       paramEmailMessage.length == 0)    {                NSLog(@"sendemail is null");        return NO;    }    else    {        NSLog(paramTo);        NSLog(paramSubject);        NSLog(paramEmailMessage);        NSLog(@"send success");        return YES;    }}

- (IBAction)clearLabelMsg:(id)sender {        NSString *msg = @"wujinlang";    NSString *msgLen = [NSString stringWithFormat:@"%d",msg.length];    NSLog(msgLen);        char *myName = "wujinlang";    NSUInteger counter = 0;    for(counter=0;counter<strlen(myName);counter++){        char character = myName[counter];        NSLog(@"%c-----",character);     }        [self sendEmailTo:@"wujinlang2010@gmail.com" withSubject:@"testMsg" andEmailMessage:@"testmsg2"];}