//获取拼音首字母(传入汉字字符串, 返回大写拼音首字母) -(NSString*)firstCharactor:(NSString*)aStr...

- (NSString *)encryptForPlainText:(NSString *)plainText { //保存加密后的字符 NSM...

//计算每一行文本的高度 +(CGFloat)getTextHeightString:(NSString*)text ForWidth:(CGF...

//字符串分割／前 +(NSString*)string1:(NSString*)str { NSRange range = [str ra...