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发表于 2012-11-13 08:48:12
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1判断语句
. S* z1 q' }" t C5 k if <condition> then) m4 r1 n' T, l1 M$ ]/ ]' o3 n
<statement sequence1>;& I# Y0 ^1 @- w' F- p
elseif <condition> then
" k n7 F4 g8 f1 M9 r <statement sequence2>;( W8 l g+ l3 ^0 _& u- z
else - D$ k3 s) o0 h# i9 t+ C' h
<statement sequence3>;% e: d" H: @- r% x/ j
end;
7 K' d" p+ }+ g8 ]- Y2 i: M- X如果分支比较多，用：8 p3 V. O# B% `6 h5 t
inspect <expression>1 I6 M5 c3 V% }/ I9 p% b
when <constant_list> then
0 ]# R+ g' K- q1 O4 Y3 t; ] <statement sequence1>;7 N, H! d; k# {: b2 S
when <constant_list> then
. ^" G* n! o; |0 Z. i" g. ~ <statement sequence2>;
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<statement sequence3>;( a# u' G% X: R9 r U" C& X
end;# y2 w5 g3 h/ v" v1 \
6 U4 g' \* \7 G! I2循环语句% E4 H. ~3 K1 p. w& p* w4 h* N- H
(1) from <statement sequence1>" W+ Y' |* V \9 m- A0 Y1 b+ V
until <condition> loop
, S6 y( m- c" W- O% a7 B <statement sequence2>;) o( u4 K" ]) h
end;
6 ]' k& ^/ t9 K- d$ a* B (2) while <condition> loop
- K- _- M, a7 Y+ L. @ <statement sequence1>;
" Z" c9 U4 B& _8 @% C2 L0 d+ f end;
2 }/ w4 [; n+ ^5 N& B$ I (3) repeat
! U$ W. a" I3 `5 V7 q2 _! W <statement sequence1>;* |; U; M' [" X2 [2 w' o* K: x; ^
until <condition>;6 {3 C) v& M/ @3 a
(4) for <condition> to <condition> loop
0 ]3 i8 L, t! h7 g- ?8 w <statement sequence1>;
( F7 C6 s5 Y+ L6 r4 v next;/ _& Y& Q* @' t. l& v
3中断语句
) W1 ~, }' h7 @1 c* ^ waituntil <condition> prio <integer expression>;
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2 }# p+ b$ v8 |- p以上为常用的函数！. n# G1 e( ~& r
还有很多，如有需要我把资料发到你邮箱里
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