Flex 字体样式

/*Spark包的设置方式*/
 s|TextInput{                       
         trackingLeft:4;
         trackingRight:4;
 }
/*mx包的设置方式*/
mx|TextInput{
         letterSpacing:4;
}
/*前面是命名空间*/

.teststyle1{         fontFamily: Courier;          letterSpacing: 18; horizontal-gap: 20;        }
.teststyle2{         letter-spacing: 18;        }
.teststyle3{         letterSpacing: 18px;         }
.teststyle4{         letterSpacing: 18.0;         }
.................