第十二讲通变章法,是书写内容分行布白的呈现方式,也是书法作品中与笔法、字法并重的三要素之一。章法形式多样,受展示需要(功用)、书写内容、字体、载体特征、书手审美倾向等多方面影响,如少字的大字作品与多字诗文作品章法不同,行列整齐的楷隶作品与行草作品章法不同,为追求视觉效果的展览作品与实用为主 Twelfth chapter Tongcha zhang law, is the content of cloth writing white cloth presentation, but also calligraphy works and stroke, one of the three elements of the lettering. Different forms of chapters, such as the need of display (function), writing content, fonts, carrier features, book tendencies and aesthetic tendencies, such as the characters of small characters and multi-character poetry are different, The law of Zhang Cao works is different, for the pursuit of visual effects of exhibition works and practical based