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发表于 2012-11-13 08:48:12
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1判断语句1 }1 c% n4 v. z: }- i8 }3 {8 z
if <condition> then3 `" ?7 `6 s& j/ L- @$ ]
<statement sequence1>;! K/ n! c& C2 j( N
elseif <condition> then* `4 S! _+ t: \" a+ [% t% ?
<statement sequence2>;
, `$ O5 _5 w) A4 p3 R else
+ f( Z: D4 z4 Z- b <statement sequence3>;/ T$ c- l& I# W. I0 C% b7 E
end;! G0 a; a8 e7 ^7 R' |% B- p
如果分支比较多，用：: k) Y- b- E. ~5 F
inspect <expression>" {4 S; W1 p- D" g
when <constant_list> then
& y1 F4 B, b b: k- h <statement sequence1>;5 W: Z; G" l: q6 F# W. G. C
when <constant_list> then
; H$ c0 g/ p/ w2 z8 o/ Y <statement sequence2>;' m1 s! C/ k2 |: |5 C2 l
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else# m x9 r* V7 z6 x7 ^
<statement sequence3>;( k% ]- \& ~) M/ J V, n1 E0 g$ u
end;
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2 G- Z2 ~3 T. q2 y/ f- A$ o2循环语句+ ], H6 G; g: Y o6 P
(1) from <statement sequence1>/ Y9 k8 V0 A5 b
until <condition> loop
+ x, i* z) S/ v+ o <statement sequence2>;+ x& |: Z' g5 R1 `1 ~9 C. o9 Q" e
end;1 a K6 @8 G3 \4 ?3 h
(2) while <condition> loop
0 ^0 m5 w& `: Y: l <statement sequence1>;- \$ }5 ^# \; V7 _
end;
5 |9 h& Q ^9 I+ V% c (3) repeat
) u9 b3 i2 c5 m' L8 e3 E: U! ]. h <statement sequence1>;- ^* |: { V1 V; n
until <condition>;
/ B5 ~8 r& H' n0 C U5 k (4) for <condition> to <condition> loop
: p8 L8 c! i$ L8 }' s2 j <statement sequence1>;
' H% D$ @" _9 l$ } next;' _# d$ ~: f, f- L2 j0 |
3中断语句7 L4 ?$ i4 V( _# I6 L% I
waituntil <condition> prio <integer expression>;& i8 q& k/ b8 |, t1 q7 {7 z
! Z& p0 D0 ?; S
: V r" Z, t6 o( Y* a. E
以上为常用的函数！
# q4 h& |( x i+ I1 {) _6 k4 j7 S$ M还有很多，如有需要我把资料发到你邮箱里
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