純CSS實(shí)現(xiàn)設(shè)置半個(gè)字符的樣式

字號(hào):


    這篇文章主要介紹了純CSS實(shí)現(xiàn)設(shè)置半個(gè)字符的樣式,分別實(shí)現(xiàn)了水平和垂直一半、水平和垂直三分之一等效果,需要的朋友可以參考下。
    在stackoverflow上看到的問(wèn)題怎么給半個(gè)字符設(shè)置樣式,很多大神給出了答案。我就等就來(lái)學(xué)習(xí)圍觀吧。
    一:基本解決方案:
    html:
    代碼如下:
    <spanclass=”halfStyle”data-content=”X”>X</span>
    <spanclass=”halfStyle”data-content=”Y”>Y</span>
    <spanclass=”halfStyle”data-content=”Z”>Z</span>
    <spanclass=”halfStyle”data-content=”A”>A</span>
    css:
    代碼如下:
    .halfStyle{
    position:relative;
    display:inline-block;
    font-size:80px;/*oranyfontsizewillwork*/
    color:black;/*ortransparent,anycolor*/
    overflow:hidden;
    white-space:pre;/*topreservethespacesfromcollapsing*/
    }
    .halfStyle:before{
    display:block;
    z-index:1;
    position:absolute;
    top:0;
    left:0;
    width:50%;
    content:attr(data-content);/*dynamiccontentforthepseudoelement*/
    overflow:hidden;
    color:#f00;
    }
    效果如圖:
    
    這種方法用于任何動(dòng)態(tài)文本或單個(gè)字符,并且都是自動(dòng)適用的。所有你需要做的就是在目標(biāo)文本上添加一個(gè)class,剩下的就解決了。
    同時(shí),保留了原文的可訪問(wèn)性,可以被盲人或視障人士使用的屏幕閱讀器識(shí)別。
    單個(gè)字符的實(shí)現(xiàn):
    純CSS。所有你需要做的就是把.halfStyleclass用在每個(gè)你想要渲染一半樣式字符的元素上。
    對(duì)于每個(gè)包含字符的span元素,你可以添加一個(gè)data屬性,比如data-content=”X”,并且在偽元素上使用content:attr(data-content);這樣,.halfStyle:beforeclass將會(huì)是動(dòng)態(tài)的,你不需要為每個(gè)實(shí)例進(jìn)行硬編碼
    以下其它效果自行測(cè)試了。。。
    二:左右開(kāi)弓,兩邊都設(shè)置樣式
    更改CSS:
    代碼如下:
    .halfStyle{
    position:relative;
    display:inline-block;
    font-size:80px;/*oranyfontsizewillwork*/
    color:transparent;/*hidethebasecharacter*/
    overflow:hidden;
    white-space:pre;/*topreservethespacesfromcollapsing*/
    }
    .halfStyle:before{/*createstheleftpart*/
    display:block;
    z-index:1;
    position:absolute;
    top:0;
    width:50%;
    content:attr(data-content);/*dynamiccontentforthepseudoelement*/
    overflow:hidden;
    pointer-events:none;/*sothebasecharisselectablebymouse*/
    color:#f00;/*fordemopurposes*/
    text-shadow:2px-2px0px#af0;/*fordemopurposes*/
    }
    .halfStyle:after{/*createstherightpart*/
    display:block;
    direction:rtl;/*veryimportant,willmakethewidthtostartfromright*/
    position:absolute;
    z-index:2;
    top:0;
    left:50%;
    width:50%;
    content:attr(data-content);/*dynamiccontentforthepseudoelement*/
    overflow:hidden;
    pointer-events:none;/*sothebasecharisselectablebymouse*/
    color:#000;/*fordemopurposes*/
    text-shadow:2px2px0px#0af;/*fordemopurposes*/
    }
    三:設(shè)置水平一半的樣式
    CSS:
    代碼如下:
    .halfStyle{
    position:relative;
    display:inline-block;
    font-size:80px;/*oranyfontsizewillwork*/
    color:transparent;/*hidethebasecharacter*/
    overflow:hidden;
    white-space:pre;/*topreservethespacesfromcollapsing*/
    }
    .halfStyle:before{/*createsthetoppart*/
    display:block;
    z-index:2;
    position:absolute;
    top:0;
    height:50%;
    content:attr(data-content);/*dynamiccontentforthepseudoelement*/
    overflow:hidden;
    pointer-events:none;/*sothebasecharisselectablebymouse*/
    color:#f00;/*fordemopurposes*/
    text-shadow:2px-2px0px#af0;/*fordemopurposes*/
    }
    .halfStyle:after{/*createsthebottompart*/
    display:block;
    position:absolute;
    z-index:1;
    top:0;
    height:100%;
    content:attr(data-content);/*dynamiccontentforthepseudoelement*/
    overflow:hidden;
    pointer-events:none;/*sothebasecharisselectablebymouse*/
    color:#000;/*fordemopurposes*/
    text-shadow:2px2px0px#0af;/*fordemopurposes*/
    }
    四:水平三分之一的樣式
    css:
    代碼如下:
    .halfStyle{/*basecharandalsothebottom1/3*/
    position:relative;
    display:inline-block;
    font-size:80px;/*oranyfontsizewillwork*/
    color:transparent;
    overflow:hidden;
    white-space:pre;/*topreservethespacesfromcollapsing*/
    color:#f0f;
    text-shadow:2px2px0px#0af;/*fordemopurposes*/
    }
    .halfStyle:before{/*createsthetop1/3*/
    display:block;
    z-index:2;
    position:absolute;
    top:0;
    height:33.33%;
    content:attr(data-content);/*dynamiccontentforthepseudoelement*/
    overflow:hidden;
    pointer-events:none;/*sothebasecharisselectablebymouse*/
    color:#f00;/*fordemopurposes*/
    text-shadow:2px-2px0px#fa0;/*fordemopurposes*/
    }
    .halfStyle:after{/*createsthemiddle1/3*/
    display:block;
    position:absolute;
    z-index:1;
    top:0;
    height:66.66%;
    content:attr(data-content);/*dynamiccontentforthepseudoelement*/
    overflow:hidden;
    pointer-events:none;/*sothebasecharisselectablebymouse*/
    color:#000;/*fordemopurposes*/
    text-shadow:2px2px0px#af0;/*fordemopurposes*/
    }
    五:垂直三分之的樣式
    css:
    代碼如下:
    .halfStyle{/*basecharandalsotheright1/3*/
    position:relative;
    display:inline-block;
    font-size:80px;/*oranyfontsizewillwork*/
    color:transparent;/*hidethebasecharacter*/
    overflow:hidden;
    white-space:pre;/*topreservethespacesfromcollapsing*/
    color:#f0f;/*fordemopurposes*/
    text-shadow:2px2px0px#0af;/*fordemopurposes*/
    }
    .halfStyle:before{/*createstheleft1/3*/
    display:block;
    z-index:2;
    position:absolute;
    top:0;
    width:33.33%;
    content:attr(data-content);/*dynamiccontentforthepseudoelement*/
    overflow:hidden;
    pointer-events:none;/*sothebasecharisselectablebymouse*/
    color:#f00;/*fordemopurposes*/
    text-shadow:2px-2px0px#af0;/*fordemopurposes*/
    }
    .halfStyle:after{/*createsthemiddle1/3*/
    display:block;
    z-index:1;
    position:absolute;
    top:0;
    width:66.66%;
    content:attr(data-content);/*dynamiccontentforthepseudoelement*/
    overflow:hidden;
    pointer-events:none;/*sothebasecharisselectablebymouse*/
    color:#000;/*fordemopurposes*/
    text-shadow:2px2px0px#af0;/*fordemopurposes*/
    }