iphone開發-型別轉換

// 將字串轉換成int
NSString *intString = @"1";
int value = [intString intValue];

// 將字串轉換成float
NSString *floatString = @"10.00";
float value = [floatString floatValue];

// 將字串轉換成double
NSString *doubleString = @"10.000000";
double value = [doubleString doubleValue];

//將float轉換成字串

float weight=benefit2/7700;
NSString* Text = [[NSString alloc] initWithFormat:@"%f", weight];

//釋放記憶體

[Text release];

//將int轉換成字串

int weight=5;

NSString* Text = [[NSString alloc] initWithFormat:@"%d", weight];

//釋放記憶體

[Text release];