说明：左边是正常版本，右边是拍平版本
font-weight: normal
font-weight: bold
font-weight: 100
font-weight: 200
font-weight: 300
font-weight: 400
font-weight: 500
font-weight: 600
font-weight: 700
font-weight: 800
font-weight: 900
font-weight: normal
font-weight: bold
font-weight: 100
font-weight: 200
font-weight: 300
font-weight: 400
font-weight: 500
font-weight: 600
font-weight: 700
font-weight: 800
font-weight: 900
setProperty 设置与 getPropertyValue 获取
font-weight
设置值: {{data.fontWeight}}
获取值: {{data.fontWeightActual}}
当前 font-weight: {{data.fontWeight}}
测试拍平
设置值: {{data.fontWeight}}
获取值: {{data.fontWeightActualFlat}}
当前 font-weight: {{data.fontWeight}}
第一个枚举值，'' (空字符串) - 空值情况