The created works of the paper are listed as follows : 1 . the component model describes the component from the semantic element and syntax , which makes it easy to understand the component 本文的創(chuàng)新點(diǎn)主要體現(xiàn)在以下幾個(gè)方面: 1 、構(gòu)件模型從語義和語法兩個(gè)方面對(duì)構(gòu)件進(jìn)行了描述,使構(gòu)件易于理解。