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发表于 2012-11-13 08:48:12
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1判断语句1 e, ?7 K5 Z8 ]3 Q
if <condition> then
: e. N- {- C/ K7 V$ R <statement sequence1>;
6 y: W+ M2 N( x- Q elseif <condition> then& T7 [$ @* d8 F5 I) Y! Z
<statement sequence2>;
9 j L: m* u7 k else $ L) J2 w8 S7 Y! @+ w' e3 B1 Q: V
<statement sequence3>;
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如果分支比较多，用：
- K5 r- t, E" J) o: x+ ~$ b inspect <expression>2 y& f9 y9 u" X6 v, j. k0 `& @
when <constant_list> then
% h2 e, a: C) d <statement sequence1>;# x0 i% o4 H9 l7 b* V+ {. e3 X7 }
when <constant_list> then2 A9 {0 I( [3 w$ _7 C
<statement sequence2>;# o/ x/ T* Q3 V* t( J" n# _: l
.... P0 i' a, V" F7 Y* ]
else" J$ }! t+ b; \! S" Q
<statement sequence3>;
0 r3 l% {5 |6 T# X9 ~2 Y* ~5 ?4 aend;; g5 L, i0 c6 N
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2循环语句6 Q6 \) T" K7 G
(1) from <statement sequence1>; c. M3 O1 c8 H% J+ k* |
until <condition> loop
" p+ F7 K8 R$ K4 ?' E2 B8 K' e4 t <statement sequence2>;1 f2 b: D6 _* O& t
end;1 m4 ?) `. a2 e v7 F+ Q) K
(2) while <condition> loop
! N$ V. S# {0 e T v8 k <statement sequence1>;' ?2 h( u- c2 r
end;. z: f L, O: }6 x& k: V# y
(3) repeat
: ~3 S- H& }; ]. {1 y <statement sequence1>;+ M) @' e: |/ ^" q
until <condition>;
. z0 x' r% e" H% \* ] (4) for <condition> to <condition> loop
/ y [, [* L; U% j6 | <statement sequence1>;
8 t! h/ H/ f+ w( g6 K5 R" } next;2 D+ q1 T) @- @" X c
3中断语句$ f% I4 Q6 W5 q) R" z1 ^
waituntil <condition> prio <integer expression>;
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以上为常用的函数！& g% y C- I* K# Q7 y& ?
还有很多，如有需要我把资料发到你邮箱里
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