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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
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<statement sequence1>; M1 F" e4 I( \) r. {% L: f
elseif <condition> then8 Y+ G& m% {5 h2 W" p) [, X
<statement sequence2>;$ y- F# l |' t5 B
else + E# f7 \7 j+ a- Z
<statement sequence3>;7 X$ w5 r, s: Z, h3 b1 D
end;
9 a# V# u1 L. ]- z0 L如果分支比较多，用：; R2 g+ U. _" I9 y
inspect <expression># g5 R8 n3 k' o: m8 T, b
when <constant_list> then' O0 i: b4 ]/ N4 o% D2 h$ x1 n" A
<statement sequence1>;
% [0 e4 ^6 k0 q r1 e8 |' R+ p! @$ o/ ^ when <constant_list> then
0 B+ l" S7 m& r) U. Y+ i% L- O <statement sequence2>;
! u, N6 i4 w. B% o ...
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<statement sequence3>;0 x8 A8 O D% F
end;* [; R" t$ h+ r, U+ b+ q
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2循环语句
" _% ?1 U5 U x3 Q x2 r( b (1) from <statement sequence1>, w) ^9 i. e7 s: }7 J
until <condition> loop
( e4 p# b8 F2 `# ~* q% H <statement sequence2>;2 g' d" h) E) d e) c( k/ l
end;
# M4 x% x" A+ s0 l' [+ n: k (2) while <condition> loop
2 ?' }; ?& ?- F+ ?: Z <statement sequence1>;
6 f. d7 R' F! H9 y( u3 ^ end;
( y3 B5 d% I" x( _ (3) repeat
7 p0 B( z, ~; ^9 s. I <statement sequence1>;
; q. Z1 m, W7 S6 J until <condition>;
5 f1 P6 G) o9 Y9 d (4) for <condition> to <condition> loop
8 D: Q# i3 \, h3 D) U8 x <statement sequence1>;
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3中断语句& z' X2 k* P1 C
waituntil <condition> prio <integer expression>;+ y0 O2 H# h3 \; d4 h* p
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1 I, ^# j: E# J3 X6 l" t6 P$ x以上为常用的函数！* n3 z+ w$ E5 M# N; B+ W5 ^0 |
还有很多，如有需要我把资料发到你邮箱里
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