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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
3 j4 F3 v i, J if <condition> then6 K$ p: o4 i# y: I
<statement sequence1>;0 ~- K, ^3 y# K+ P' @
elseif <condition> then1 W2 g9 }& {- C8 P$ F, q
<statement sequence2>;$ L) P* H _9 D7 j3 U7 k, E
else $ X! {( q g7 d' a# T6 v
<statement sequence3>;# {; U/ L1 B/ ^4 B7 _8 M0 o( H: `
end;
& C& h- ]2 d' d5 R# D$ B2 V8 g$ m. q& a如果分支比较多，用：) O- w, w4 a8 n, c9 B$ X
inspect <expression>
R& r5 u2 ^! O" d9 c! } when <constant_list> then1 D+ h4 u2 z c/ F/ \
<statement sequence1>;" ^, \ I1 i0 J' ~' M7 z! a9 O( K
when <constant_list> then H; n T- @' H; T s- e: e5 h8 t
<statement sequence2>;4 k8 d) G5 [3 Q$ m0 `: ^ c8 J) X
...
" @* e. _# A- M8 V+ V/ J6 g2 e else
6 W# R0 Y+ l, @& _ <statement sequence3>;" s0 ~2 Z# h; l& S' w
end;9 i, x; \8 P* C5 G+ z; k2 V" z
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2循环语句$ H% ^* m7 o$ k; b) k8 {
(1) from <statement sequence1>+ g* f" d, G6 r6 W/ Y3 M: @1 `6 m
until <condition> loop2 b1 j1 ?# p7 Y7 X! I5 w
<statement sequence2>;
0 q* \- C& C4 ~0 Q end;
5 ], T" t" L0 g+ F9 k (2) while <condition> loop
" I0 t. F3 V, Z g* i2 j& Z <statement sequence1>;
; \6 M& b. z+ Q5 i end;2 u3 {; I9 j7 ?+ L, U3 D
(3) repeat # G& m d$ ^* h1 @
<statement sequence1>;
1 A7 ~+ j) E3 S# F, n# P6 X5 J" _ until <condition>;4 _8 X/ N3 h$ e. z* d3 \. u5 c
(4) for <condition> to <condition> loop
) m( s' U7 E" A9 z8 H <statement sequence1>;+ g( {4 E" H/ s8 O
next;
$ D* ?$ V( v# A6 K6 S3中断语句+ v1 X" g- Z! i. W& h% {( Q) s
waituntil <condition> prio <integer expression>;! i: o1 I/ ~! [1 S6 r& j
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以上为常用的函数！
. I3 |3 X1 C w' ]/ B: ]还有很多，如有需要我把资料发到你邮箱里
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