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发表于 2012-11-13 08:48:12
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1判断语句
# x9 w" Q8 s% u+ a) _ if <condition> then
+ [2 }) i! X C5 {; ] <statement sequence1>;: u7 ]; _7 m0 y
elseif <condition> then
8 J. F. Z" `$ H) t+ F7 b) V$ A <statement sequence2>;8 ~& t6 R$ X* ^) u0 T# F
else
% ?2 T5 r1 M3 n: t <statement sequence3>;
1 V9 [/ q; V' b end;
# l9 G: m% ^* [/ ^" h1 \6 t如果分支比较多，用：
6 z7 P' G; R$ i) k, i; ^ inspect <expression>1 R1 n L4 G6 v" G+ L7 a. B
when <constant_list> then
4 [' G( @5 K5 C' ? <statement sequence1>;/ l1 Y8 a' s8 ?; k! e! @
when <constant_list> then
% O1 u9 x4 C* w/ I/ ~7 q0 r$ d <statement sequence2>;
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else+ y F" U W$ N+ Y3 W
<statement sequence3>;: ?- D9 D$ r0 m, w" s$ T3 {" D4 E
end;
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2循环语句
8 x; f) B! }7 M7 _; g6 i, x% X (1) from <statement sequence1>
8 f( U1 {, a8 F' Y P& B) [! I until <condition> loop8 s. K `) t6 H8 N# k
<statement sequence2>;) a$ p1 `( |6 b4 x: m! y
end;& |, ~* L* x$ ]. Y) {
(2) while <condition> loop, w4 @( K2 g5 T0 o+ b+ m& z( Z# ?. F6 B
<statement sequence1>;
" y3 S7 z) N s8 k, W# r7 F' R end;5 L ?& i* M: b1 ?& z& ~9 ~
(3) repeat
: f, n' i* e, S <statement sequence1>;
" [2 g/ r3 A" z |, V until <condition>;
0 Z1 `* {9 k% v7 e" u (4) for <condition> to <condition> loop! N! D, ~" U% F6 z" k; \
<statement sequence1>;
0 Y" x, J: {, Z next;
# S) _. ~: g$ ~) R+ [3中断语句3 L/ i. t8 i9 B5 D
waituntil <condition> prio <integer expression>;
2 v; j: w+ M2 \5 z" I! w. w& M( S* n8 ]. x' o- n& @; {
0 {3 g+ u' @# P2 d以上为常用的函数！
0 p4 c. c' O# J: h' U2 Y, E2 p还有很多，如有需要我把资料发到你邮箱里 8 G6 Y: B6 E7 l1 G: q0 P9 ?3 a, ]
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