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发表于 2012-11-13 08:48:12
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1判断语句, a; r% z' {( a' f F- B, o& ^
if <condition> then
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elseif <condition> then& |- V, D+ U8 i U* E8 d# D8 v
<statement sequence2>;# @# }. J# _, O0 ^5 l* U. L
else 9 A# e/ N2 p( c
<statement sequence3>;
5 W$ s( D# A! X5 \$ ?4 p/ A end;
3 n" ]) R7 g" b" k" b) ?) x如果分支比较多，用：; C9 H% W4 q6 ^- `1 e% w
inspect <expression># N: K2 p; f: \" l( M0 d
when <constant_list> then
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2 _! N9 C- J1 k) f when <constant_list> then5 V+ q) s! C3 @& g. m, d
<statement sequence2>;7 S; z. {+ c; z+ u' v. C0 r% s L& Y, X( w
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else: F# F+ K, _) B& ]
<statement sequence3>;
2 Y' l# B( z. A: V0 ^% O* M0 Cend;1 q5 X9 {. o5 B
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2循环语句
1 [0 S- M, c; F) i (1) from <statement sequence1>
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<statement sequence2>;! U+ C; f9 F0 U& K' E, p) j. P3 {
end;
2 j3 }9 ^) U. W0 i (2) while <condition> loop
2 T, o, S. Q8 h <statement sequence1>;* t4 t1 [( p- l/ P. Z3 z' U3 H3 A
end;
; K4 H+ C9 ^3 P" c2 L4 w$ u (3) repeat
: S8 ~; @5 J% X+ f <statement sequence1>;$ ~- {% y, z, [( T% C% M0 E
until <condition>;
9 {' y* u* Z; j (4) for <condition> to <condition> loop# p1 `% j# m0 E
<statement sequence1>;
- S p2 X+ j1 a5 G) A next;
0 R k% m4 ?2 U, d3中断语句
+ o" \% t1 U( J3 ] waituntil <condition> prio <integer expression>;+ V9 k' R$ v" Z) R
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1 B1 ^' g- H: i& C; m以上为常用的函数！
1 \1 V4 U# n Z9 Q8 Q# y还有很多，如有需要我把资料发到你邮箱里
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