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发表于 2012-11-13 08:48:12
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1判断语句
' s k* F, L$ P# c( i, R if <condition> then5 Z7 S1 F" Q/ W5 C
<statement sequence1>;
+ \" o* E: ^4 | elseif <condition> then
3 c: n- \: V5 R R2 ]( z' h7 D2 o <statement sequence2>;
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<statement sequence3>;; E" R9 |. g) `
end;
8 Y6 Y0 N: Y. Y( m$ a如果分支比较多，用：/ R4 ?/ P* ~1 ^& }! `
inspect <expression>. w' e/ p- R3 V
when <constant_list> then r. j- [6 [# Y+ X; r- R$ G
<statement sequence1>;% O$ N2 E' [7 ^8 x/ W% J' y
when <constant_list> then
; V8 V; [2 e5 w A' ^9 E <statement sequence2>;) I; Q: c; C3 p' D
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else9 q3 m4 r& ^! m) p$ _6 @
<statement sequence3>;$ s+ \. C7 }5 V. C
end;9 C% J1 d( F5 R8 G
5 s7 g" D h4 W' L2 ]3 x2循环语句
& q6 E" B# m" w7 c0 e (1) from <statement sequence1>
/ p- }" ?1 a) m& h until <condition> loop
% M. i9 R3 `# f. i, ^, {+ @9 z( A0 L0 R <statement sequence2>;$ P( Z& j ?" D. r
end;. v/ i4 g* ]7 x' g" n; c( ]/ M5 @: G
(2) while <condition> loop3 t# ~+ \" U0 D) I8 H" x- F% u# u
<statement sequence1>;
5 N9 R) w7 m/ e4 t' T end;1 n$ _7 u) F: F; g1 b) m
(3) repeat
8 t3 |' D2 e) e {6 S+ i <statement sequence1>;$ A. d/ E2 u& Z' \
until <condition>;& D: o R" e: M+ a; _
(4) for <condition> to <condition> loop6 ]- D/ m, ], ~ I* N+ |; i8 G, k
<statement sequence1>;% N% Q9 V* o2 ?0 H! j% n/ l
next;
7 v9 D. P2 M7 y" w1 O* X3中断语句+ \% Y y( N) [4 l4 g
waituntil <condition> prio <integer expression>;
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以上为常用的函数！
5 e4 e9 U/ l4 X" m/ K9 E6 ^还有很多，如有需要我把资料发到你邮箱里
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