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发表于 2012-11-13 08:48:12
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1判断语句% d8 K' {: ~0 d1 b! j+ W* u
if <condition> then6 D" T9 G l" D& L, C% V
<statement sequence1>;+ [& S9 z$ u2 `6 i# m2 x, a8 v" G; v
elseif <condition> then) a# h0 V# }* v: b& j) }
<statement sequence2>;
0 \- c" F$ V/ C else & [7 E+ N- l) r0 O: H
<statement sequence3>;" z2 g# r5 H* ^( m! C$ G
end;3 j+ A% I8 r1 _3 b! M, k
如果分支比较多，用：
" v7 X' i9 t3 [' \5 O inspect <expression>9 a$ W1 D/ e2 t# Q
when <constant_list> then" j9 n7 ?/ X, M* b
<statement sequence1>;
4 d- v: k: n. r' R when <constant_list> then/ x) S8 w- I9 D; z) j
<statement sequence2>;; W1 S2 S0 |/ S2 x
.... ^1 R: Y3 b, U8 u) v8 N( [( Q
else
# v+ W. ^' E9 ~! K& k; E j <statement sequence3>;% Z* M5 Q( y/ p
end;
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% H/ |& ]: n8 V* [, h$ P2循环语句
S |0 v* u+ p& Q. A (1) from <statement sequence1>8 L; w) `3 X3 _$ @; c
until <condition> loop3 i6 O, G3 P5 i0 _" d
<statement sequence2>;# U7 ^, Z1 n6 `, }
end;
, W" I$ _5 e* H4 V (2) while <condition> loop
, {6 P @) H6 t- }6 d& [; [ <statement sequence1>;- E, }5 K9 g" B+ T% V5 K& H
end;$ e8 s8 h1 C* J7 [
(3) repeat
5 l0 Q; F2 k: L( ?. c+ R5 H <statement sequence1>;
' M! y5 c* S* ]$ V" U+ d- V) X until <condition>;
2 B! X/ d# V" x" L) ~ (4) for <condition> to <condition> loop
0 N- k1 z3 R) P# G <statement sequence1>;
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3中断语句& |9 T5 {; L) S$ ^
waituntil <condition> prio <integer expression>;8 Z t' w; ~8 U
( c2 E' ]3 X: f* l
6 l" l4 h2 \3 L以上为常用的函数！
# v) n$ B! G! b! a' m2 U D( A还有很多，如有需要我把资料发到你邮箱里
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