Dreamweaver 4 compendious tutorial (7, the composing of the webpage 2)

7, the composing of the webpage

　　Of the use of form

Face the parameter of form and unit case according to going up, we can make the following form:

Above is a 3 × the form of 2, form width resembles element for 350, the width of every unit case is 33% , 1/3 what take form namely, among them unit case 1 with unit case 4 already amalgamative; Unit case edge is apart from, width of line of unit case span, form is 10; The impression of form is gray, the frame color of 5 is unit case gules, the impression of 6 is unit case green;


Above example, we are setting of form line width 0, in the editor condition falls, the table that see is:

Width is the frame line of 0, in the editor the meeting below condition expresses with dotted line, and the practical effect that browse is:

Visible, width won't show in the browser for the form line of 0. Actually so called use form to undertake composing, use form line to be the form of 0 namely, differentiate the page for many area, achieve the result of fixed position composing thereby. Additional, form and form are OK of nest, for example above in form, in unit case 2 lis insert width of a form again for 100% , form line width is the form of 0, it is unit case respectively① ② ③Set different setting scene, can see below editor condition:

And the practical effect that browse is:

The nest of form is made in the webpage in often be used, it is especially in the portal website such as sina, Sohu, Netease, it is to make much information is revealed trimly before the person that browse, the nest of form is used most often. The home page that next graphs are GoEway.com is editing the circumstance below condition, can see, thickly dotted ground covered the page form line: