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发表于 2012-11-13 08:48:12
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1判断语句, q0 m) Q5 v7 Z9 o
if <condition> then
. [ h, W$ v' Q0 F6 c( r6 P, S <statement sequence1>;$ s/ l1 y/ x; E& z3 ]; N# j
elseif <condition> then
" O& f: \. G" w R2 H0 _# ^ <statement sequence2>;5 t) e/ e2 p) [) ] _3 b
else - y* w& M8 }. [" B( O; w
<statement sequence3>;
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如果分支比较多，用：
2 B7 I) a, C2 I3 s8 W, } inspect <expression>! C9 M" P- Y ?. p& c
when <constant_list> then: Q* _" K0 y6 z7 R% ^; ^! D
<statement sequence1>;
4 a* U% M) Y+ C2 Z when <constant_list> then
6 A8 m+ C p1 u' {/ N3 n- X% E <statement sequence2>;4 q/ q$ y; j0 o4 E0 U
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else+ q! I* Y* U6 `
<statement sequence3>;
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- X0 o+ w- |. F: ~- ?& O2循环语句
- G3 f K3 a. Z8 M& s/ D9 X (1) from <statement sequence1>
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<statement sequence2>;
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(2) while <condition> loop+ s7 H( Q$ W# R8 E. r
<statement sequence1>;
8 B9 Y4 Q% ?/ P) h end;; N9 S$ Y, t, z( `4 R
(3) repeat
$ z* \+ u, i" B# p <statement sequence1>;
1 `8 C0 i; i) g. n" Y6 E7 a" U until <condition>;$ F& T0 k- Y3 m: r5 s8 h; r
(4) for <condition> to <condition> loop6 G m( q/ d! v: P7 Y
<statement sequence1>;
1 v; w- A! J9 ^+ O next;# X4 _+ N) W* D7 e: K- S9 b
3中断语句
' m2 C1 a. h% I4 O waituntil <condition> prio <integer expression>;6 C, M* K7 {# x
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以上为常用的函数！
5 B! L" |3 a1 Q: _3 M还有很多，如有需要我把资料发到你邮箱里 1 {+ m! l2 w% U
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