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发表于 2012-11-13 08:48:12
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1判断语句2 F) l" d; x7 o( C j
if <condition> then
" B' h, ?4 X j5 Z' z" ]& x. q <statement sequence1>;( }3 ~) o: H3 R* J* ?4 i" q
elseif <condition> then& R+ S/ [; y# R, `5 ]2 J
<statement sequence2>;
4 y% T, Z# m) f! S$ O5 I else
/ j$ p7 o9 n; ^3 ?8 E. j <statement sequence3>;
: r/ \! b+ @) _6 n. }3 u7 ? end;
q/ j. G- {1 s8 s" y: C* d如果分支比较多，用：9 v/ c* M7 c- B
inspect <expression>
7 H7 T6 q# D; ]" B/ A R9 F7 I( d when <constant_list> then$ e* g, A Q- ]# J: M- F4 i! W G5 u
<statement sequence1>;& c. o: h/ O$ c: N7 J7 s3 F# K
when <constant_list> then
( I7 e' [$ i) V <statement sequence2>;
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else% |$ x- M" R; n
<statement sequence3>;% }% d3 S8 V/ T2 ~7 ^
end;; I: W$ Y' I) {% x; ~5 {! ~
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2循环语句) J3 w) E# Q: Z. y
(1) from <statement sequence1>
/ a/ @# V( y" s until <condition> loop
1 C6 H/ n9 m# H$ g+ `% y! B" v k$ n# z <statement sequence2>;. b" b( L9 ?; T3 ]
end;
1 ]; T3 K; O4 l/ d+ x (2) while <condition> loop( H& P8 n: i. S* i+ b
<statement sequence1>; @3 ]# ~7 ~5 k% I! |
end;; [2 y: J& Z; T$ Y2 w
(3) repeat 4 k* o k& e& }9 ?' v
<statement sequence1>;5 z$ o& z5 x' ]( \
until <condition>;
8 ^$ p4 u) c; Z' \, N/ B- Y5 ^ (4) for <condition> to <condition> loop+ s2 j- \4 U& B) e# v) e& C6 \
<statement sequence1>;
: e, T' B! @* J( A6 B next;
* K( c) w" c. A$ g- @( y8 b3中断语句; w# H1 t% _8 c- M. t" c3 u' V
waituntil <condition> prio <integer expression>;
S& m" b/ ~6 C; s6 ^' x, g$ \: d! b5 l) _6 k* }
e# F, g: A! S以上为常用的函数！
9 p7 A: R6 ~- G6 C% T1 q还有很多，如有需要我把资料发到你邮箱里
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