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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
8 K } D3 |9 c! o1 e if <condition> then/ D' \ F, w) V- M
<statement sequence1>;- v0 Z+ E/ v( X+ L* q* A
elseif <condition> then9 D' z& k* B3 ~8 @; `/ e% j ]
<statement sequence2>;
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<statement sequence3>;' _7 l$ O1 _. A. v
end;
* m# J9 u! L* p: |7 Q如果分支比较多，用：
3 p) f0 d' J% N1 }; v: o7 V inspect <expression>
5 R" j, B5 d9 \ C* Q2 @/ l! G when <constant_list> then
) @$ s4 n# Y+ B3 h <statement sequence1>;
9 |% [* U: E5 ~ when <constant_list> then
R+ h2 ~" v' \! a <statement sequence2>;+ e. A$ V1 {5 G+ ~
...
, p2 j1 W Q1 r: q else
9 } @4 Z3 ?6 c <statement sequence3>;& y4 z' Q. ]- Z' L5 |5 D; S
end;8 R) M! ?7 j7 l# D7 _0 k
+ d0 l$ ~+ Z' }$ G) Q
2循环语句
3 [9 r2 x8 J) |$ `5 ?* S# Z (1) from <statement sequence1>
. [# P! O0 k7 p7 B& m3 @ until <condition> loop
& u. ^% A5 n8 g2 b0 C* i <statement sequence2>;, h& b) r1 Y- c
end;: [/ J( z7 H1 X# I. h# j) T
(2) while <condition> loop
+ Q" m) D/ x! s7 D7 P <statement sequence1>;" Q/ q/ w, s$ s$ V9 D7 ~9 Y1 C! T
end;0 I3 ]' ]: K$ ?6 Q
(3) repeat
; h- I5 m$ o4 N- U# y: n! l <statement sequence1>;
1 u3 h% Q8 z; E# _2 ~. K x# N% e5 d. L6 c until <condition>;% Z7 `( o y7 l, w, Z2 Y/ x
(4) for <condition> to <condition> loop0 W2 j# Q8 y5 \2 S7 D3 D
<statement sequence1>;
6 d" F& a$ U- G2 i- \0 Y I next;
+ Y, q2 R8 ^4 Y' f' Y3中断语句
# Q2 s$ w' Q5 W4 J ~ waituntil <condition> prio <integer expression>;
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以上为常用的函数！
( ?* Q4 L3 l* j$ e1 T \! l2 Y还有很多，如有需要我把资料发到你邮箱里
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