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发表于 2012-11-13 08:48:12
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1判断语句
9 X- J ]# Q4 {. P. c if <condition> then" p6 m1 h \$ d. L" C Y0 j
<statement sequence1>;7 b# z$ E, P" o9 X# f0 p$ a
elseif <condition> then
& A0 l3 a _5 u0 d, m7 m9 V% M <statement sequence2>;
& [: T+ R* T ~0 a" e0 E9 P else
; Y2 d- U" F- ~) r- s& ` <statement sequence3>;
4 r4 j3 @. k, f5 b' }4 E, | end;3 R4 M( T: R/ `" J5 I
如果分支比较多，用：/ x+ n6 y) g3 q4 J) E7 ~
inspect <expression>& k6 x; W3 A/ f. r- T" Y" m
when <constant_list> then
- Q6 H- x0 i2 n' }5 h <statement sequence1>;/ Y8 q& J7 \8 T3 Y( k! C; v6 ]
when <constant_list> then% x; Y9 e1 T4 b/ f
<statement sequence2>;8 I/ }! b0 S V3 @: H0 e# Q6 X
...
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<statement sequence3>;
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2 X" @' k9 O$ J; f2 C2循环语句
" P2 v; b. T6 b- k8 C (1) from <statement sequence1>
# D* r: Z3 J0 T2 l B* h until <condition> loop
. n. C. |4 Y6 `0 S. o+ R7 ]) ] <statement sequence2>;
0 g/ T0 R! @/ r$ p end;
3 ^7 r7 D0 ?6 l9 s# ] (2) while <condition> loop$ j& @: h& {4 ]1 z
<statement sequence1>;
0 u* Q4 Z( T6 J- ^# y4 F end;
. V- X6 t' d$ s5 t, o& ] (3) repeat 0 Y8 n. }- m3 y
<statement sequence1>;& I: [7 u% j/ x2 P3 c
until <condition>;) I" I4 `! N6 J
(4) for <condition> to <condition> loop
: {) `. L. q7 [( ^! a8 U$ i <statement sequence1>;
! q2 {+ q; I1 }# t6 n$ f next;
4 w T+ S; K/ _- P w t- ~" @ z3中断语句! [& X% I# \6 B5 }; g3 ^* {# X
waituntil <condition> prio <integer expression>;+ F- Q! p: {" ?0 q# ]
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以上为常用的函数！/ K x' s1 ~ C. B5 A7 l
还有很多，如有需要我把资料发到你邮箱里 % t/ b( h9 Y, T- |
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