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发表于 2012-11-13 08:48:12
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1判断语句
. x4 h2 T* i2 K- ?( p# a if <condition> then
i3 r$ t% j, H# ~8 y <statement sequence1>;
- z( o8 S: r; ^* }( G8 e, n elseif <condition> then
' i, I' z% K' y4 [' ~" K7 a <statement sequence2>;
7 l! e F2 \* G1 b! V L% b9 D" S: x else
7 }8 v1 S! X8 h: f; G <statement sequence3>;
$ [+ ?) T# I( C* @1 a& T end;
7 e2 P( B6 o) M4 n3 H如果分支比较多，用：
5 {) @1 ^! R ~8 x0 o) Q inspect <expression>
; _4 X+ v; _. I; E; [$ R when <constant_list> then& N9 e& @( E" A& d5 u1 Z- S
<statement sequence1>;( O( S2 H( j; k f+ j2 B6 I6 I
when <constant_list> then
2 b; z" c; h1 ^& p <statement sequence2>;% n1 N3 ?' r! z T$ I
...
]+ N+ F6 t" D: K6 ` p: Q& t# J M else
, ?& L/ _ S4 W0 g& a- n <statement sequence3>;# g/ P, D2 @; V% V( c. @ P
end;: X( Y* M- k5 L* E# \- C) n( B
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2循环语句! A* Y% R7 x4 y* _+ j/ U: D9 k
(1) from <statement sequence1>8 ` A% g2 V# b0 _
until <condition> loop$ e/ d6 P1 C( `! ^* H4 v
<statement sequence2>;) y4 \* B% H3 J; }
end;
! o5 F9 e7 L( S$ |( {- x (2) while <condition> loop
: X4 E& g" a1 | <statement sequence1>;& W+ i: R/ R3 |) Q" i
end;& {, E* I% `' M% z2 g8 w+ Y
(3) repeat
& A1 q! h1 j1 z+ k; V! l9 s. s, x) w9 u <statement sequence1>;
0 _, ]7 B/ ?4 m5 `/ h until <condition>;" o1 e4 } R* N3 @: Y
(4) for <condition> to <condition> loop
1 o7 j$ h5 z! P1 H <statement sequence1>;
4 u$ @2 A1 u3 _/ R& f" K next;
; K1 ~ O. p& b- d3 {! A3中断语句& T) \/ a. Z; Y! d$ L
waituntil <condition> prio <integer expression>;
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以上为常用的函数！" ? P7 ^! c3 ?' X% b) C! X
还有很多，如有需要我把资料发到你邮箱里
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