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发表于 2012-11-13 08:48:12
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1判断语句! E( [& ]- N4 C: ^1 S( g
if <condition> then+ X$ ]( z+ `8 \) ^" |
<statement sequence1>;
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<statement sequence2>;
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<statement sequence3>;
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如果分支比较多，用：" |7 u& V! l( z4 Z- N5 \
inspect <expression># u( s* q6 Y- q$ M G
when <constant_list> then
5 @3 W% U2 D2 Y0 ]9 s+ ? <statement sequence1>;
1 U7 T# a7 A x+ U9 ]* L when <constant_list> then+ O7 z1 q* i5 a+ s& E
<statement sequence2>;
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else$ F& B! A5 x% s h
<statement sequence3>;6 q7 u7 d& V! K3 g# H/ n
end;$ j; E. F/ t% X( p! k" ?
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2循环语句' C2 i: k' g2 c, z
(1) from <statement sequence1>" }" C9 y. T$ Y' _
until <condition> loop
6 g A( K9 H; d( A3 h7 s( D <statement sequence2>;
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(2) while <condition> loop
2 C) k& I" M' I8 \$ h4 ?5 J2 I' V <statement sequence1>;& j/ q) Y7 }! J! S" _' U8 [- s! V
end;
- T0 O+ }, t- z! _) v4 {" N. [" K (3) repeat
4 v& [4 n1 O3 u7 E <statement sequence1>;8 ~* }7 D5 F+ h7 U$ E
until <condition>;
8 P( {8 d3 i$ C- Y+ ~% ]6 L (4) for <condition> to <condition> loop
4 l$ j/ [! u1 `+ Z+ J3 p2 a <statement sequence1>;! z3 i9 Q5 z% J
next;# \% {8 L! _) l, f0 D- C
3中断语句
, a, a. q+ [- k. C( k; |$ B waituntil <condition> prio <integer expression>;8 }) F4 y; r( K6 `2 x8 Z
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* p: Z# Q8 H. ^- J以上为常用的函数！
0 h4 V( P% m- i) O0 z3 f2 s5 r2 J1 [还有很多，如有需要我把资料发到你邮箱里
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